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  11. <title>Urs-o-Log</title>
  12. <atom:link href="https://www.urspringer.de/feed/" rel="self" type="application/rss+xml" />
  13. <link>https://www.urspringer.de</link>
  14. <description>by Michael Urspringer</description>
  15. <lastBuildDate>Tue, 17 Jan 2017 18:10:38 +0000</lastBuildDate>
  16. <language>en-US</language>
  17. <sy:updatePeriod>hourly</sy:updatePeriod>
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  19. <item>
  20. <title>Zusätzliches Netzteil für den Macbook Pro</title>
  21. <link>https://www.urspringer.de/2017/01/17/zusaetzliches-netzteil-fuer-den-macbook-pro/</link>
  22. <comments>https://www.urspringer.de/2017/01/17/zusaetzliches-netzteil-fuer-den-macbook-pro/#comments</comments>
  23. <pubDate>Tue, 17 Jan 2017 18:10:38 +0000</pubDate>
  24. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  25. <category><![CDATA[Blog]]></category>
  26. <category><![CDATA[apple]]></category>
  27.  
  28. <guid isPermaLink="false">https://www.urspringer.de/?p=32964</guid>
  29. <description><![CDATA[<p>Mein Netzteil für das Macbook Pro ist zuhause am Schreibtisch ein wenig verbaut und es ist ziemlich mühsam, jedesmal umzustecken, wenn ich das Macbook irgendwohin mitnehme. Daher musste ein zusätzliches Netzteil her.  Da ich keine Lust hatte, über 80 EUR für ein Original-Apple-Netzteil auszugeben, habe ich nach günstigeren Alternativen gesucht. Meine Wahl fiel auf das [&#8230;]</p>
  30. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/17/zusaetzliches-netzteil-fuer-den-macbook-pro/">Zusätzliches Netzteil für den Macbook Pro</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  31. ]]></description>
  32. <content:encoded><![CDATA[<p>Mein Netzteil für das Macbook Pro ist zuhause am Schreibtisch ein wenig verbaut und es ist ziemlich mühsam, jedesmal umzustecken, wenn ich das Macbook irgendwohin mitnehme. Daher musste ein zusätzliches Netzteil her.  Da ich keine Lust hatte, über 80 EUR für ein Original-Apple-Netzteil auszugeben, habe ich nach günstigeren Alternativen gesucht.</p>
  33. <p>Meine Wahl fiel auf das <a href="http://amzn.to/2j06oq1" target="_blank" rel="nofollow">Salcar <span class="a-size-mini a-color-secondary a-text-bold">60W Magsafe 2 T Form </span></a>. Das Teil ist 145 gr. leicht und hat zusätzlich noch 2 USB-Ladeports mit 2 A.</p>
  34. <p>Damit kann ich neben dem Macbook auch noch mein iPhone oder mein Bluetooth-Headeset laden und den UMTS-Router mit Strom versorgen, wenn ich unterwegs bin. Und ich muss dafür keinen der USB-Ports am Rechner verbraten. Die bleiben dann frei für USB-Stick und externe Platte.</p>
  35. <p>Zusammen mit so einem <a href="http://amzn.to/2j4His9" target="_blank" rel="nofollow">Kombi-USB-Kabel</a> lässt sich so ziemlich alles laden, was man so mit dabei hat.</p>
  36. <p>Auch wenn noch keine Langzeiterfahrungen vorliegen, bisher eine klare Kaufempfehlung.</p>
  37. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/17/zusaetzliches-netzteil-fuer-den-macbook-pro/">Zusätzliches Netzteil für den Macbook Pro</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  38. ]]></content:encoded>
  39. <wfw:commentRss>https://www.urspringer.de/2017/01/17/zusaetzliches-netzteil-fuer-den-macbook-pro/feed/</wfw:commentRss>
  40. <slash:comments>1</slash:comments>
  41. </item>
  42. <item>
  43. <title>Some issues with Migration of IBM Connections 5.0 to 5.5</title>
  44. <link>https://www.urspringer.de/2017/01/12/issues-migration-ibm-connections-5-0-5-5/</link>
  45. <comments>https://www.urspringer.de/2017/01/12/issues-migration-ibm-connections-5-0-5-5/#respond</comments>
  46. <pubDate>Thu, 12 Jan 2017 10:58:04 +0000</pubDate>
  47. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  48. <category><![CDATA[Blog]]></category>
  49. <category><![CDATA[connections]]></category>
  50. <category><![CDATA[ibm]]></category>
  51. <category><![CDATA[lotus]]></category>
  52.  
  53. <guid isPermaLink="false">https://www.urspringer.de/?p=32967</guid>
  54. <description><![CDATA[<p>I had some new issues while migrating a customer environment from IBM Connections 5.0 to 5.5 (Oracle) and I would like to document them here: ORA-01722: invalid number during Homepage upgrade &#160; While running the script &#8220;homepage/oracle/upgrade-50CR4-55.sql&#8221; we got the following errors in the log file: [crayon-587f1f253c736860604548/] The reason for that was, that the sequence [&#8230;]</p>
  55. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/12/issues-migration-ibm-connections-5-0-5-5/">Some issues with Migration of IBM Connections 5.0 to 5.5</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  56. ]]></description>
  57. <content:encoded><![CDATA[<p>I had some new issues while migrating a customer environment from IBM Connections 5.0 to 5.5 (Oracle) and I would like to document them here:</p>
  58. <h5>ORA-01722: invalid number during Homepage upgrade</h5>
  59. <p>&nbsp;</p>
  60. <p>While running the script &#8220;homepage/oracle/upgrade-50CR4-55.sql&#8221; we got the following errors in the log file:</p>
  61. <p></p><pre class="crayon-plain-tag">DECLARE
  62. *
  63. ERROR at line 1:
  64. ORA-01722: invalid number
  65. ORA-06512: at line 17</pre><p></p>
  66. <p>The reason for that was, that the sequence of the columns in the table &#8220;HOMPAGE.NR_DISCOVERY_VIEW&#8221; was different from the sequence of the columns when you create that table from scratch. I guess it was because this table has been upgraded already many times (since IBM Connections 3.0). We had another (test) environment where the sequence of the columns were correct (but the database of that environment has been created from scratch somewhere in Connections 4.5 or so).</p>
  67. <p>The SQL script does read the content of a database row into an array and then uses this array to insert the data to another table. While inserting the data via an array, the target table needs to have exactly the same order of the columns in order to insert the values into the right column.</p>
  68. <p>To solve the issue I changed the following statement from</p>
  69. <p></p><pre class="crayon-plain-tag">DECLARE
  70. CURSOR s_cur IS
  71. SELECT
  72. CATEGORY_READER_ID, READER_ID, 23 CATEGORY_TYPE, SOURCE, CONTAINER_ID, ITEM_ID, ROLLUP_ENTRY_ID,
  73. RESOURCE_TYPE, CREATION_DATE, STORY_ID, SOURCE_TYPE, USE_IN_ROLLUP, IS_NETWORK, IS_FOLLOWER, EVENT_TIME, IS_STORY_COMM,
  74. IS_BROADCAST, ORGANIZATION_ID, ACTOR_UUID, ROLLUP_AUTHOR_ID, IS_VISIBLE, COMMUNITY_ID
  75. FROM HOMEPAGE.NR_DISCOVERY_VIEW;</pre><p></p>
  76. <p>to</p>
  77. <p></p><pre class="crayon-plain-tag">DECLARE
  78. CURSOR s_cur IS
  79. SELECT
  80. CATEGORY_READER_ID, READER_ID, CONTAINER_ID, ITEM_ID, RESOURCE_TYPE, CATEGORY_TYPE, CREATION_DATE, SOURCE, STORY_ID,
  81. SOURCE_TYPE, ROLLUP_ENTRY_ID, USE_IN_ROLLUP, IS_NETWORK, IS_FOLLOWER, EVENT_TIME, IS_STORY_COMM,
  82. IS_BROADCAST, ORGANIZATION_ID, ACTOR_UUID, IS_VISIBLE, ROLLUP_AUTHOR_ID, COMMUNITY_ID
  83. FROM HOMEPAGE.NR_DISCOVERY_VIEW;</pre><p></p>
  84. <p>which then solved the issue.</p>
  85. <h5>No migrated entries in &#8220;Discover&#8221; view of the Homepage</h5>
  86. <p>&nbsp;</p>
  87. <p>After the migration, the &#8220;Discover&#8221; view on the Homepage was empty. Only new entries appeared but all entries from before the migration were not displayed. I solved that by changing the same SELECT statement mentioned above from</p>
  88. <p></p><pre class="crayon-plain-tag">...
  89. SELECT
  90. ..., 23 CATEGORY_TYPE, ...
  91. FROM HOMEPAGE.NR_DISCOVERY_VIEW;</pre><p></p>
  92. <p>to</p>
  93. <p></p><pre class="crayon-plain-tag">...
  94. SELECT
  95. ..., CATEGORY_TYPE, ...
  96. FROM HOMEPAGE.NR_DISCOVERY_VIEW;</pre><p></p>
  97. <p>The old statement writes the value &#8220;23&#8221; to that column in the target table, regardless of the original value. The original value of all entries in our case was &#8220;17&#8221;. So we just removed the &#8220;23&#8221; in front of the column name so that the correct values were written to the target table. Afterwards the &#8220;Discover&#8221; view has been populated correctly with the values from before the migration.</p>
  98. <h5>Additional Homepage java migration necessary for 5.0 to 5.5</h5>
  99. <p>&nbsp;</p>
  100. <p>We also realized that a Java migration for Homepage is not only necessary while migrating from 4.5 to 5.0 but also while migrating from 5.0 to 5.5. This is not currently mentioned in the <a href="http://www.ibm.com/support/knowledgecenter/SSYGQH_5.5.0/admin/migrate/t_update_3.0.1_ORA_manual.html" target="_blank" rel="nofollow">documentation</a>. There is one hint <a href="http://www.ibm.com/support/knowledgecenter/SSYGQH_5.5.0/admin/migrate/t_migrate_run_java_from_50_to_55.html" target="_blank" rel="nofollow">here</a>, but the description in this chapter is currently not correct and should not be used that way. The correct way to do the Java migration from 5.0 to 5.5 for Homepage including the missing JAR file can be found in that <a href="http://www.ibm.com/support/docview.wss?uid=swg21991138" target="_blank" rel="nofollow">technote</a>.</p>
  101. <p>Be aware of the fact that the parameter for JDBC URL, DB User and DB password do not have a prefix like &#8220;-dburl / -dbuser / -dbpassword&#8221; but just written without that. This is different from the Java migration for version 4.5 to 5.0. And also make sure you got the newest version of that JAR file in the technote. It has been updated January 11th, 2017 with a new version (fixed bugs for Oracle).</p>
  102. <h5>Wrong documentation which scripts should be run for Homepage migration</h5>
  103. <p>&nbsp;</p>
  104. <p>The documentation has currently a wrong description which SQL scripts you should run for upgrading Homepage if your DB schema version is &#8220;479&#8221;. The documentation currently says:</p>
  105. <p></p><pre class="crayon-plain-tag">If schema version is "479", or , then enter the following commands:
  106. @upgrade-45-45CR3.sql
  107. @upgrade-45CR3-45CR4.sql
  108. @upgrade-45CR4-50.sql
  109. @upgrade-50-50CR1.sql
  110. @upgrade-50CR1-50CR2.sql
  111. @upgrade-50CR2-50CR3.sql
  112. @upgrade-50CR3-55.sql
  113. @appGrants.sql</pre><p></p>
  114. <p>but it should read:</p>
  115. <p></p><pre class="crayon-plain-tag">If schema version is "479", or , then enter the following commands:
  116. @upgrade-50CR4-55.sql
  117. @appGrants.sql</pre><p></p>
  118. <p>I requested to update the documentation with all the issues found, so hopefully in future the documentation will be correct again.</p>
  119. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/12/issues-migration-ibm-connections-5-0-5-5/">Some issues with Migration of IBM Connections 5.0 to 5.5</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  120. ]]></content:encoded>
  121. <wfw:commentRss>https://www.urspringer.de/2017/01/12/issues-migration-ibm-connections-5-0-5-5/feed/</wfw:commentRss>
  122. <slash:comments>0</slash:comments>
  123. </item>
  124. <item>
  125. <title>Create tasks in &#8220;Remember The Milk&#8221; with Siri and the Apple Watch</title>
  126. <link>https://www.urspringer.de/2017/01/10/create-tasks-remember-milk-siri-apple-watch/</link>
  127. <comments>https://www.urspringer.de/2017/01/10/create-tasks-remember-milk-siri-apple-watch/#respond</comments>
  128. <pubDate>Tue, 10 Jan 2017 18:47:38 +0000</pubDate>
  129. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  130. <category><![CDATA[Blog]]></category>
  131. <category><![CDATA[apple]]></category>
  132. <category><![CDATA[applewatch]]></category>
  133. <category><![CDATA[rtm]]></category>
  134.  
  135. <guid isPermaLink="false">https://www.urspringer.de/?p=32963</guid>
  136. <description><![CDATA[<p>I am a long year user of &#8220;Remember The Milk&#8221; (RTM) to manage all my tasks. Although they do still not have a native app on the iPhone, you are able to use Siri on the Apple Watch to automatically create a task in RTM without touching your iPhone. This is really something I am using [&#8230;]</p>
  137. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/10/create-tasks-remember-milk-siri-apple-watch/">Create tasks in &#8220;Remember The Milk&#8221; with Siri and the Apple Watch</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  138. ]]></description>
  139. <content:encoded><![CDATA[<p>I am a long year user of &#8220;<a href="https://www.rememberthemilk.com/" target="_blank" rel="nofollow">Remember The Milk</a>&#8221; (RTM) to manage all my tasks. Although they do still not have a native app on the iPhone, you are able to use Siri on the Apple Watch to automatically create a task in RTM without touching your iPhone.</p>
  140. <p>This is really something I am using very often throughout the day. Especially as Audi has killed Siri in my A3 if the iPhone is connected via Bluetooth to the car system. Siri on the watch is still working like a charm.</p>
  141. <p><a href="http://blog.rememberthemilk.com/post/117719543218/got-an-apple-watch-use-siri-to-add-tasks-to" target="_blank" rel="nofollow">Here is described how to enable Siri with RTM on the iPhone</a>.</p>
  142. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/10/create-tasks-remember-milk-siri-apple-watch/">Create tasks in &#8220;Remember The Milk&#8221; with Siri and the Apple Watch</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  143. ]]></content:encoded>
  144. <wfw:commentRss>https://www.urspringer.de/2017/01/10/create-tasks-remember-milk-siri-apple-watch/feed/</wfw:commentRss>
  145. <slash:comments>0</slash:comments>
  146. </item>
  147. <item>
  148. <title>DBEAVER &#8211; Universal Database Manager</title>
  149. <link>https://www.urspringer.de/2017/01/04/dbeaver-universal-database-manager/</link>
  150. <comments>https://www.urspringer.de/2017/01/04/dbeaver-universal-database-manager/#respond</comments>
  151. <pubDate>Wed, 04 Jan 2017 14:35:32 +0000</pubDate>
  152. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  153. <category><![CDATA[Blog]]></category>
  154. <category><![CDATA[tools]]></category>
  155.  
  156. <guid isPermaLink="false">https://www.urspringer.de/?p=32962</guid>
  157. <description><![CDATA[<p>I normally used &#8220;Squirrel&#8221; as a free universal database client to connect to databases like DB2, Oracle etc. I just found a new tool called &#8220;DBeaver&#8220;, which is also free. It looks very nice and it will replace Squirrel for me now.</p>
  158. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/04/dbeaver-universal-database-manager/">DBEAVER &#8211; Universal Database Manager</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  159. ]]></description>
  160. <content:encoded><![CDATA[<p>I normally used &#8220;<a href="http://squirrel-sql.sourceforge.net/" target="_blank" rel="nofollow">Squirrel</a>&#8221; as a free universal database client to connect to databases like DB2, Oracle etc.</p>
  161. <p>I just found a new tool called &#8220;<a href="http://dbeaver.jkiss.org/" target="_blank" rel="nofollow">DBeaver</a>&#8220;, which is also free. It looks very nice and it will replace Squirrel for me now.</p>
  162. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2017/01/04/dbeaver-universal-database-manager/">DBEAVER &#8211; Universal Database Manager</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  163. ]]></content:encoded>
  164. <wfw:commentRss>https://www.urspringer.de/2017/01/04/dbeaver-universal-database-manager/feed/</wfw:commentRss>
  165. <slash:comments>0</slash:comments>
  166. </item>
  167. <item>
  168. <title>IBM Connections 5.5 CR2 available</title>
  169. <link>https://www.urspringer.de/2016/11/14/ibm-connections-5-5-cr2-available/</link>
  170. <comments>https://www.urspringer.de/2016/11/14/ibm-connections-5-5-cr2-available/#respond</comments>
  171. <pubDate>Mon, 14 Nov 2016 08:39:46 +0000</pubDate>
  172. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  173. <category><![CDATA[Blog]]></category>
  174. <category><![CDATA[connections]]></category>
  175. <category><![CDATA[ibm]]></category>
  176. <category><![CDATA[lotus]]></category>
  177.  
  178. <guid isPermaLink="false">https://www.urspringer.de/?p=32953</guid>
  179. <description><![CDATA[<p>Since last week, IBM Connections 5.5 CR2 is available. Here are some important links: Download IBM Connections 5.5 CR2 Download IBM Connections 5.5 CR2 Database Update Scripts IBM Connections 5.5 CR2 Fix List Updating IBM Connections 5.5 Update Strategy for IBM Connections 5.5 IBM Connections 5.5 CR requirements for IBM FileNet for use with Connections [&#8230;]</p>
  180. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/14/ibm-connections-5-5-cr2-available/">IBM Connections 5.5 CR2 available</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  181. ]]></description>
  182. <content:encoded><![CDATA[<p>Since last week, IBM Connections 5.5 CR2 is available. Here are some important links:</p>
  183. <p><a href="http://www.ibm.com/support/fixcentral/swg/quickorder?parent=Collaboration%2BSolutions&amp;product=ibm/Lotus/Lotus+Connections&amp;release=5.5.0.0&amp;platform=All&amp;function=fixId&amp;fixids=5.5.0.0-IC-Multi-CR02-LO89068,5.5.0.0-IC-CR2-CognosWizard-LO90612-Linux,5.5.0.0-IC-CR2-CognosWizard-LO90612-Windows,5.5.0.0-IC-CR2-CognosWizard-LO90612-AIX,5.5.0.0-IC-Multi-CR02-CommSurveys,EphoxEditors-IC55_CR-3.0.1.205,5.5.0.0-IC-TDISOL-LO90611-WIN,5.5.0.0-IC-TDISOL-LO90611-LinuxAIX&amp;includeRequisites=1&amp;includeSupersedes=0&amp;downloadMethod=http&amp;source=fc" target="_blank" rel="nofollow">Download IBM Connections 5.5 CR2</a></p>
  184. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21991529" target="_blank" rel="nofollow">Download IBM Connections 5.5 CR2 Database Update Scripts</a></p>
  185. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21991630" target="_blank" rel="nofollow">IBM Connections 5.5 CR2 Fix List</a></p>
  186. <p><a href="https://www.ibm.com/support/knowledgecenter/SSYGQH_5.5.0/admin/migrate/c_updating_lotusconnections.html" target="_blank" rel="nofollow">Updating IBM Connections 5.5</a></p>
  187. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21972646" target="_blank" rel="nofollow">Update Strategy for IBM Connections 5.5</a></p>
  188. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21991528" target="_blank" rel="nofollow">IBM Connections 5.5 CR requirements for IBM FileNet for use with Connections Content Manager (CCM) incl.uding Download Links</a></p>
  189. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21991532" target="_blank" rel="nofollow">IBM Community Surveys 8.5/8.6: Updating the Sonata services for IBM Connections 5.5 CR2</a></p>
  190. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21982603" target="_blank" rel="nofollow">IBM Cognos Wizard for IBM Connections 5.5 Cumulative Refreshes (CRs)</a></p>
  191. <p><a href="https://www-01.ibm.com/support/docview.wss?uid=swg21992449" target="_blank" rel="nofollow">Step-by-step example of applying Component Refresh 2 (CR2) to IBM Connections 5.5 with CCM</a></p>
  192. <p>&nbsp;</p>
  193. <p>&nbsp;</p>
  194. <p>&nbsp;</p>
  195. <p>&nbsp;</p>
  196. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/14/ibm-connections-5-5-cr2-available/">IBM Connections 5.5 CR2 available</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  197. ]]></content:encoded>
  198. <wfw:commentRss>https://www.urspringer.de/2016/11/14/ibm-connections-5-5-cr2-available/feed/</wfw:commentRss>
  199. <slash:comments>0</slash:comments>
  200. </item>
  201. <item>
  202. <title>Publishing PGP Keys in DNS</title>
  203. <link>https://www.urspringer.de/2016/11/06/publishing-pgp-keys-dns/</link>
  204. <comments>https://www.urspringer.de/2016/11/06/publishing-pgp-keys-dns/#respond</comments>
  205. <pubDate>Sun, 06 Nov 2016 19:06:21 +0000</pubDate>
  206. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  207. <category><![CDATA[Blog]]></category>
  208. <category><![CDATA[dns]]></category>
  209. <category><![CDATA[pgp]]></category>
  210.  
  211. <guid isPermaLink="false">https://www.urspringer.de/?p=32952</guid>
  212. <description><![CDATA[<p>As I now have secured my DNS server with DNSSEC, I was able to publish my public  PGP key also via DNS. There are two different possibilities to do that: PKA (public key association) This puts a pointer where to obtain a key into a TXT record. At the same time that can be used to [&#8230;]</p>
  213. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/06/publishing-pgp-keys-dns/">Publishing PGP Keys in DNS</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  214. ]]></description>
  215. <content:encoded><![CDATA[<p>As I now have secured my DNS server with DNSSEC, I was able to publish my public  PGP key also via DNS. There are two different possibilities to do that:</p>
  216. <p><strong>PKA (public key association)</strong></p>
  217. <p>This puts a pointer where to obtain a key into a TXT record. At the same time that can be used to verify that a key belongs to a mail address. You can find more about that <a href="http://www.g10code.de/docs/pka-intro.de.pdf" target="_blank" rel="nofollow">here </a>(only in German).</p>
  218. <p>My DNS TXT record looks like that:</p>
  219. <p></p><pre class="crayon-plain-tag">michael._pka.urspringer.de &nbsp;TXT &nbsp; &nbsp; &nbsp; &nbsp; &quot;v=pka1;fpr=7F3F203B94F85C3B7969BF58C5F5860FF6160414;uri=http://www.urspringer.de/media/Michael_Urspringer.asc&quot;</pre><p></p>
  220. <p>The part before &#8220;._pka.&#8221; is the local part of my mail address (&#8220;michael&#8221;) and the part after &#8220;._pka.&#8221; is the domain name &#8220;urspringer.de&#8221;. The &#8220;v=pka;&#8221; specifies the version of PKA (currently V1). The value &#8220;fpr=7F3F203B94F85C3B7969BF58C5F5860FF6160414&#8221; is the finger print of my PGP key. The value &#8220;uri=http://www.urspringer.de/media/Michael_Urspringer.asc&#8221; specifies the URL where my PGP public key can be downloaded.</p>
  221. <p>You can test if it is working e.g. with gpg like that:</p>
  222. <p></p><pre class="crayon-plain-tag">echo &quot;foo&quot; | gpg --no-default-keyring --keyring /tmp/gpg-$$ --encrypt --armor --auto-key-locate pka -r [email protected]</pre><p></p>
  223. <p>&nbsp;</p>
  224. <p><strong>OPENPGPKEY</strong></p>
  225. <p>With an <a href="https://www.isc.org/downloads/software-support-policy/openpgp-key/" target="_blank" rel="nofollow">OPENPGPKEY </a>resource record the complete key is stored in DNS. You need to have a Bind9 version of  9.9.7 or  9.10.2 and newer.</p>
  226. <p>The name under which the record is located is built up as described below:</p>
  227. <ul>
  228. <li>the local part of the email address associated with the key, hashed with the SHA2-256 hash function and truncated to the first 28 octets;</li>
  229. <li>the _openpgpkey label;</li>
  230. <li>the domain part of the email address.</li>
  231. <li>The record data is the PGP public key</li>
  232. </ul>
  233. <p>It looks something like that:</p>
  234. <p></p><pre class="crayon-plain-tag">34550715062af006ac4fab288de67ecb44793c3a05c475227241535f._openpgpkey IN OPENPGPKEY (mQINBFWs.....QR5d)</pre><p></p>
  235. <p>To create that record you can use the tool on<a href="https://www.huque.com/bin/openpgpkey" target="_blank" rel="nofollow"> this website</a>. Just put in your PGP public key, select &#8220;Standard (OPENPGPKEY)&#8221; as output format and click on &#8220;Generate&#8221;.</p>
  236. <p>You can test if it is working with <a href="https://openpgpkey.info/" target="_blank" rel="nofollow">OPENPGPKEY.info</a>.</p>
  237. <p>&nbsp;</p>
  238. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/06/publishing-pgp-keys-dns/">Publishing PGP Keys in DNS</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  239. ]]></content:encoded>
  240. <wfw:commentRss>https://www.urspringer.de/2016/11/06/publishing-pgp-keys-dns/feed/</wfw:commentRss>
  241. <slash:comments>0</slash:comments>
  242. </item>
  243. <item>
  244. <title>Debian Jessie: Upgrade BIND9 to newer version</title>
  245. <link>https://www.urspringer.de/2016/11/06/debian-jessie-upgrade-bind9-newer-version/</link>
  246. <comments>https://www.urspringer.de/2016/11/06/debian-jessie-upgrade-bind9-newer-version/#respond</comments>
  247. <pubDate>Sun, 06 Nov 2016 17:09:39 +0000</pubDate>
  248. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  249. <category><![CDATA[Blog]]></category>
  250. <category><![CDATA[bind]]></category>
  251. <category><![CDATA[dns]]></category>
  252. <category><![CDATA[linux]]></category>
  253.  
  254. <guid isPermaLink="false">https://www.urspringer.de/?p=32950</guid>
  255. <description><![CDATA[<p>I wanted to update BIND9 on my Debain Jessie Linux system to a newer version than the currently packaged version 9.9. Here are the steps to upgrade it to version 9.11: [crayon-587f1f253d032808600804/] This will install the new version of BIND9 to &#8220;/usr/local/sbin&#8221;. So you can have installed the new version of BIND9 in parallel to [&#8230;]</p>
  256. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/06/debian-jessie-upgrade-bind9-newer-version/">Debian Jessie: Upgrade BIND9 to newer version</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  257. ]]></description>
  258. <content:encoded><![CDATA[<p>I wanted to update BIND9 on my Debain Jessie Linux system to a newer version than the currently packaged version 9.9. Here are the steps to upgrade it to version 9.11:</p>
  259. <p></p><pre class="crayon-plain-tag">cd /usr/local/src
  260. wget ftp://ftp.isc.org/isc/bind9/9.11.0/bind-9.11.0.tar.gz
  261. tar zxvf bind-9.11.0.tar.gz
  262. rm&nbsp;bind-9.11.0.tar.gz
  263. cd bind-9.11.0/
  264. ./configure
  265. make
  266. make install</pre><p></p>
  267. <p>This will install the new version of BIND9 to &#8220;/usr/local/sbin&#8221;. So you can have installed the new version of BIND9 in parallel to the packaged version of Debian Jessie (which resides in &#8220;/usr/sbin&#8221;). So in case of problems you can always go back to the original BIND9 version.</p>
  268. <p>You now need to modify the start script of BIND9 so that thew new version will be used. You can do that with the following steps:</p>
  269. <ol>
  270. <li>Stop BIND9 with &#8220;service bind9 stop&#8221;</li>
  271. <li>Make a backup of the original start script: &#8220;cp /etc/init.d/bind9 /etc/init.d/bind9.ORG&#8221;</li>
  272. <li>Open &#8220;/etc/init.d/bind9&#8221; in an editor</li>
  273. <li> Add the path &#8220;/usr/local/sbin&#8221; at the end of the path statement so that it looks like &#8220;PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin&#8221;</li>
  274. <li>Replace all &#8220;/usr/sbin/named&#8221; to &#8220;/usr/local/sbin/named&#8221; and all &#8220;/usr/sbin/rndc&#8221; to /usr/local/sbin/rcd&#8221;.</li>
  275. <li>Make a backup of the original service definition: &#8220;cp /lib/systemd/system/bind9.service /lib/systemd/system/bind9.service.ORG&#8221;</li>
  276. <li>Open &#8220;/lib/systemd/system/bind9.service&#8221; in an editor</li>
  277. <li>Replace all &#8220;/usr/sbin&#8221; with &#8220;/usr/local/sbin&#8221;</li>
  278. <li>Run the following commands:<br />
  279. ln -s /etc/bind/named.conf /etc/named.conf<br />
  280. ln -s /etc/bind/rndc.key /etc/rndc.key</li>
  281. <li>Start BIND9 again with &#8220;service bind9 start&#8221;</li>
  282. </ol>
  283. <p>Now BIND9 should run with the new version.</p>
  284. <p>&nbsp;</p>
  285. <p>&nbsp;</p>
  286. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/06/debian-jessie-upgrade-bind9-newer-version/">Debian Jessie: Upgrade BIND9 to newer version</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  287. ]]></content:encoded>
  288. <wfw:commentRss>https://www.urspringer.de/2016/11/06/debian-jessie-upgrade-bind9-newer-version/feed/</wfw:commentRss>
  289. <slash:comments>0</slash:comments>
  290. </item>
  291. <item>
  292. <title>Technical Changes Behind the Scene &#8230;</title>
  293. <link>https://www.urspringer.de/2016/11/05/technical-changes-behind-scene/</link>
  294. <comments>https://www.urspringer.de/2016/11/05/technical-changes-behind-scene/#comments</comments>
  295. <pubDate>Sat, 05 Nov 2016 16:53:54 +0000</pubDate>
  296. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  297. <category><![CDATA[Blog]]></category>
  298. <category><![CDATA[dns]]></category>
  299. <category><![CDATA[linux]]></category>
  300. <category><![CDATA[smtp]]></category>
  301. <category><![CDATA[ssl]]></category>
  302.  
  303. <guid isPermaLink="false">https://www.urspringer.de/?p=32947</guid>
  304. <description><![CDATA[<p>Long time ago since I posted something here. The reason for that is, that I did some massive technical changes in the background. First, all my stuff is now running on a plain Linux virtual server (based on Debian Jessie) instead of a Linux server manged via Plesk. It was simply too much overhead and [&#8230;]</p>
  305. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/05/technical-changes-behind-scene/">Technical Changes Behind the Scene &#8230;</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  306. ]]></description>
  307. <content:encoded><![CDATA[<p>Long time ago since I posted something here. The reason for that is, that I did some massive technical changes in the background.</p>
  308. <p>First, all my stuff is now running on a plain Linux virtual server (based on <a href="https://www.debian.org/" target="_blank" rel="nofollow">Debian Jessie</a>) instead of a Linux server manged via <a href="https://www.plesk.com/" target="_blank" rel="nofollow">Plesk</a>. It was simply too much overhead and very hard to figure out where to do changes which will not be overwritten by Plesk later again. So adding new stuff or configuring existing things is much easier now.</p>
  309. <p>I also improved my internal mail system. In the past I used already my own mail server but forwarded all mails to <a href="https://www.google.com/gmail/about/" target="_blank" rel="nofollow">Google Mail </a>as I really like the Gmail front end and especially the archive and search functionality. Antispam had also been outsourced to <a href="http://www.spamfence.net/" target="_blank" rel="nofollow">Spamfence</a>. Both worked very well for me but all my mails were sent and stored to third party providers. So changed that and now everything is done on my own server. I reconfigured Postfix so that most of the spamming attempts is now already blocked on the SMTP level and never reaches my system. The very few spammers, who are successful in delivering mails, are filtered out by <a href="http://spamassassin.apache.org/" target="_blank" rel="nofollow">SpamAssassin </a>which now works very well. Same is true for dangerous mails like viruses, executables etc. I added also support for <a href="https://en.wikipedia.org/wiki/Sender_Policy_Framework" target="_blank" rel="nofollow">SPF </a>and <a href="https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail" target="_blank" rel="nofollow">DKIM</a> both for incoming and outgoing mails</p>
  310. <p>I installed <a href="http://www.dovecot.org/" target="_blank" rel="nofollow">Dovecot </a>as IMAP server together with <a href="http://sieve.info/" target="_blank" rel="nofollow">Sieve </a>for mail filtering and as front end I am now using <a href="https://roundcube.net/" target="_blank" rel="nofollow">Roundcube</a>. I like its user interface and it has built-in support for <a href="https://en.wikipedia.org/wiki/Pretty_Good_Privacy" target="_blank" rel="nofollow">PGP encryption</a> already. I added all my mails since 2013 from Google to Dovecot so that I can do at least some basic searching.</p>
  311. <p>If I really need some more sophisticated search features I have all mails archived to my local computer via MailStore Home. I tried to implement <a href="http://wiki2.dovecot.org/Plugins/FTS/Solr" target="_blank" rel="nofollow">Solr</a> to search within my IMAP account but that was not yet successful as it always chrashes while searching virtual folders. So there is still something to improve in future <img src="https://s.w.org/images/core/emoji/2.2.1/72x72/1f642.png" alt="🙂" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>
  312. <p>I am now also hosting my own DNS server, which was in the past something my provider did for me. The main reason for that is, that I wanted to implement <a href="https://en.wikipedia.org/wiki/Domain_Name_System_Security_Extensions" target="_blank" rel="nofollow">DNSSEC </a>(secure DNS) together with <a href="https://en.wikipedia.org/wiki/DNS-based_Authentication_of_Named_Entities" target="_blank" rel="nofollow">DANE </a>for verifiying my SSL certificates and my provider was not yet supporting DNSSEC. So I switched all my domains to <a href="https://www.inwx.de/en" target="_blank" rel="nofollow">INWX</a> and installed my own DNS server which now work as the primary and the INWX servers work as secondary.</p>
  313. <p>In addition, I needed to switch all my SSL certificates from <a href="https://www.startssl.com/" target="_blank" rel="nofollow">StartSSL </a>to something else because of  a <a href="https://docs.google.com/document/d/1C6BlmbeQfn4a9zydVi2UvjBGv6szuSB4sMYUcVrR8vQ/preview" target="_blank" rel="nofollow">security issue</a>. As I needed something where I can get several certificates with no or very low cost I have choosen <a href="https://letsencrypt.org/" target="_blank" rel="nofollow">LetsEncrypt</a> as my new SSL provider.</p>
  314. <p>This works pretty well (I am using <a href="https://github.com/lukas2511/dehydrated" target="_blank" rel="nofollow">this script</a> as basis) and has only one disadvantage: All certificates need to be refreshed every 90 days. Although this normally is not really a problem it could lead to problems because all my certificates are now protected by DANE and the certificate&#8217;s fingerprint needs to be updated in my DNS as soon as the certificate changes. So this will still be a challenge in the next weeks.</p>
  315. <p>Last but not least, I decided to have a backup server for SMTP and DNS so I needed to built and configure that as well. My main hosting provider is still <a href="https://www.hosteurope.de/en/" target="_blank" rel="nofollow">Host Europe </a>(I have very good experience with them in the last years) but for a backup server (which is not really needed ;-)) it was to expensive. So my backup server is a small virtual machine hosted by <a href="http://cloud-interactive.de/" target="_blank" rel="nofollow">IP Interactive</a>, a small provider near by my home.</p>
  316. <p>To be able to monitor all that stuff, I added all servers and services to my <a href="https://www.icinga.org/" target="_blank" rel="nofollow">Icinga</a> monitoring system on my <a href="http://amzn.to/2fqaM03" target="_blank" rel="nofollow">Raspberry Pi</a> which now monitors over 22 hosts and almost 80 services.</p>
  317. <p>All servers capable of sending <a href="https://en.wikipedia.org/wiki/Syslog" target="_blank" rel="nofollow">SYSLOG </a>messages were consolidated to a central SYSLOG server also hosted on my Raspberry Pi with <a href="http://loganalyzer.adiscon.com/" target="_blank" rel="nofollow">Loganalyzer </a>as front end.</p>
  318. <p>Doing all that was quite some work but I have again learned very much about Linux, SMTP, DNS and other stuff. So it was worth the effort. But I guess that now explains that I did not have much time to write blog entries but hopefully this will now change again &#8230; <img src="https://s.w.org/images/core/emoji/2.2.1/72x72/1f642.png" alt="🙂" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>
  319. <p><strong>Some links which helped me in configuring some of these things:</strong></p>
  320. <p><a href="https://vpsineu.com/blog/how-to-setup-and-configure-a-master-dns-bind-server-in-debian-wheezyjessie/" target="_blank" rel="nofollow">https://vpsineu.com/blog/how-to-setup-and-configure-a-master-dns-bind-server-in-debian-wheezyjessie/</a><br />
  321. <a href="http://blog.mansshardt.net/bind9-dns-server-einrichten-unter-debian/" target="_blank" rel="nofollow">http://blog.mansshardt.net/bind9-dns-server-einrichten-unter-debian/</a><br />
  322. <a href="https://www.digitalocean.com/community/tutorials/how-to-configure-bind-as-an-authoritative-only-dns-server-on-ubuntu-14-04" target="_blank" rel="nofollow">https://www.digitalocean.com/community/tutorials/how-to-configure-bind-as-an-authoritative-only-dns-server-on-ubuntu-14-04</a></p>
  323. <p><a href="https://www.digitalocean.com/community/tutorials/how-to-setup-dnssec-on-an-authoritative-bind-dns-server--2" target="_blank" rel="nofollow">https://www.digitalocean.com/community/tutorials/how-to-setup-dnssec-on-an-authoritative-bind-dns-server&#8211;2</a><br />
  324. <a href="https://t37.net/no-more-expired-dnssec-zones-with-bind-9-9-inline-signing.html" target="_blank" rel="nofollow">https://t37.net/no-more-expired-dnssec-zones-with-bind-9-9-inline-signing.html</a></p>
  325. <p><a href="https://www.linode.com/docs/email/running-a-mail-server" target="_blank" rel="nofollow">https://www.linode.com/docs/email/running-a-mail-server</a><br />
  326. <a href="https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql" target="_blank" rel="nofollow">https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql</a><br />
  327. <a href="https://www.debinux.de/2015/05/mailserver-from-scratch-debian-8/" target="_blank" rel="nofollow">https://www.debinux.de/2015/05/mailserver-from-scratch-debian-8/</a><br />
  328. <a href="https://www.skelleton.net/2015/03/21/how-to-eliminate-spam-and-protect-your-name-with-dmarc/" target="_blank" rel="nofollow">https://www.skelleton.net/2015/03/21/how-to-eliminate-spam-and-protect-your-name-with-dmarc/</a></p>
  329. <p>&nbsp;</p>
  330. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/11/05/technical-changes-behind-scene/">Technical Changes Behind the Scene &#8230;</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  331. ]]></content:encoded>
  332. <wfw:commentRss>https://www.urspringer.de/2016/11/05/technical-changes-behind-scene/feed/</wfw:commentRss>
  333. <slash:comments>2</slash:comments>
  334. </item>
  335. <item>
  336. <title>IBM Connections: Find out which Communities do have a Sharepoint widget added</title>
  337. <link>https://www.urspringer.de/2016/07/21/ibm-connections-find-communities-sharepoint-widget-added/</link>
  338. <comments>https://www.urspringer.de/2016/07/21/ibm-connections-find-communities-sharepoint-widget-added/#respond</comments>
  339. <pubDate>Thu, 21 Jul 2016 17:37:22 +0000</pubDate>
  340. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  341. <category><![CDATA[Blog]]></category>
  342. <category><![CDATA[connections]]></category>
  343. <category><![CDATA[ibm]]></category>
  344. <category><![CDATA[lotus]]></category>
  345.  
  346. <guid isPermaLink="false">https://www.urspringer.de/?p=32914</guid>
  347. <description><![CDATA[<p>A customer would like to know which IBM Connections Communities have a Sharepoint widget added. The following SQL statement should give the UUID and the name of these Communities: [crayon-587f1f253d247197813645/] The customer also wanted to send a mail to all creators of  these Communities. So he wanted to get a list of names and mail adresses [&#8230;]</p>
  348. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/07/21/ibm-connections-find-communities-sharepoint-widget-added/">IBM Connections: Find out which Communities do have a Sharepoint widget added</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  349. ]]></description>
  350. <content:encoded><![CDATA[<p>A customer would like to know which IBM Connections Communities have a Sharepoint widget added. The following SQL statement should give the UUID and the name of these Communities:</p>
  351. <p></p><pre class="crayon-plain-tag">select COMMUNITY_UUID,NAME from SNCOMM.COMMUNITY where COMMUNITY_UUID IN(select EXT_RESOURCE_ID from SNCOMM.LC_EXTENSIONS where dbms_lob.instr(EXT_VALUE_EXTENDED,utl_raw.cast_to_raw ('SharePointFiles'), 1,1)&gt;0);</pre><p></p>
  352. <p>The customer also wanted to send a mail to all creators of  these Communities. So he wanted to get a list of names and mail adresses of them. The following SQL statement creates that list:</p>
  353. <p></p><pre class="crayon-plain-tag">select DISTINCT DISPLAY,EMAIL from SNCOMM.MEMBERPROFILE where MEMBER_UUID IN (select CREATED_BY from SNCOMM.MEMBER where COMMUNITY_UUID in (select COMMUNITY_UUID from SNCOMM.COMMUNITY where COMMUNITY_UUID IN (select EXT_RESOURCE_ID from SNCOMM.LC_EXTENSIONS where dbms_lob.instr(EXT_VALUE_EXTENDED,utl_raw.cast_to_raw ('SharePointFiles'), 1,1)&gt;0)));</pre><p></p>
  354. <p>As the original creator of a Community might no longer be in the company, it would be better to get a list of all Community owners who do have at least one Community with a Sharepoint widget added. You get that list with this statement:</p>
  355. <p></p><pre class="crayon-plain-tag">select DISTINCT DISPLAY,EMAIL from SNCOMM.MEMBERPROFILE,SNCOMM.COMMUNITY where MEMBER_UUID IN (select MEMBER_UUID from SNCOMM.MEMBER where ROLE='1' AND COMMUNITY_UUID in (select COMMUNITY_UUID from SNCOMM.COMMUNITY where COMMUNITY_UUID IN (select EXT_RESOURCE_ID from SNCOMM.LC_EXTENSIONS where dbms_lob.instr(EXT_VALUE_EXTENDED,utl_raw.cast_to_raw ('SharePointFiles'), 1,1)&gt;0)));</pre><p></p>
  356. <p>You can use the same statements to find out about other widgets. Just replace &#8220;SharePointFiles&#8221; with the widget id of your choice.</p>
  357. <p>The statements do work for ORACLE and you may need to adapt them for DB2.</p>
  358. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/07/21/ibm-connections-find-communities-sharepoint-widget-added/">IBM Connections: Find out which Communities do have a Sharepoint widget added</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  359. ]]></content:encoded>
  360. <wfw:commentRss>https://www.urspringer.de/2016/07/21/ibm-connections-find-communities-sharepoint-widget-added/feed/</wfw:commentRss>
  361. <slash:comments>0</slash:comments>
  362. </item>
  363. <item>
  364. <title>IBM HTTP Server: Better logrotate for HTTP server logs in Linux</title>
  365. <link>https://www.urspringer.de/2016/06/29/ibm-http-server-better-logrotate/</link>
  366. <comments>https://www.urspringer.de/2016/06/29/ibm-http-server-better-logrotate/#respond</comments>
  367. <pubDate>Wed, 29 Jun 2016 16:16:38 +0000</pubDate>
  368. <dc:creator><![CDATA[Michael Urspringer]]></dc:creator>
  369. <category><![CDATA[Blog]]></category>
  370. <category><![CDATA[apache]]></category>
  371. <category><![CDATA[ibm]]></category>
  372. <category><![CDATA[linux]]></category>
  373. <category><![CDATA[websphere]]></category>
  374.  
  375. <guid isPermaLink="false">https://www.urspringer.de/?p=32912</guid>
  376. <description><![CDATA[<p>To rotate your IBM HTTP Server logs (or Apache HTTP server logs) on a daily (or whatever) basis, you normally are using something like [crayon-587f1f253d4a2978171032/] The disadvantage of that is, that the current log file name changes every day. So if you have e.g. a log viewer open to watch the log file, you need to adapt that file [&#8230;]</p>
  377. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/06/29/ibm-http-server-better-logrotate/">IBM HTTP Server: Better logrotate for HTTP server logs in Linux</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  378. ]]></description>
  379. <content:encoded><![CDATA[<p>To rotate your IBM HTTP Server logs (or Apache HTTP server logs) on a daily (or whatever) basis, you normally are using something like</p>
  380. <p></p><pre class="crayon-plain-tag">CommonLog "|/opt/IBM/HTTPServer/bin/rotatelog -l /opt/IBM/HTTPServer/log/access_log.%Y.%m.%d 5M" common</pre><p></p>
  381. <p>The disadvantage of that is, that the current log file name changes every day. So if you have e.g. a log viewer open to watch the log file, you need to adapt that file name  every day.</p>
  382. <p>A better solution for that is a tool called &#8220;<a href="http://linux.die.net/man/1/cronolog" target="_blank" rel="nofollow">cronolog</a>&#8220;. It can be used in a similar way like</p>
  383. <p></p><pre class="crayon-plain-tag">CommonLog "|/usr/sbin/cronolog /opt/IBM/HTTPServer/logs/%Y-%m-%d/access_log -S /app/HTTPServer/logs/access_log -P /app/HTTPServer/logs/access_log_before" common</pre><p></p>
  384. <p>It then creates a directory with the date as the name and places the log file of that day inside that directory. In addition it creates a symbolic link with the original name (&#8220;access_log&#8221;) and also a symbolic name to the log file of the day before (&#8220;access_log_before&#8221;).</p>
  385. <p>Both file names will not change and therefore can be monitored without changing anything in the log viewer.</p>
  386. <p>The tool should be part of all Linux distributions and can be installed e.g. with &#8220;yum -y install cronolog&#8221; (for  Redhat; use the package install command for your distribution instead).</p>
  387. <p>The post <a rel="nofollow" href="https://www.urspringer.de/2016/06/29/ibm-http-server-better-logrotate/">IBM HTTP Server: Better logrotate for HTTP server logs in Linux</a> appeared first on <a rel="nofollow" href="https://www.urspringer.de">Urs-o-Log</a>.</p>
  388. ]]></content:encoded>
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