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--- install:guides:linux [2016/01/28 18:12]
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+++ install:guides:linux [2026/07/25 14:23] (current)
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 == 2. Make sure that the Omnidex repository is installed on your server ==
-The Omnidex repository must be installed on your system.  The following Linux command will install the Omnidex repository file.
+The Omnidex repository must be copied to your system.  The following Linux command will copy the Omnidex repository file.
 For Red Hat or CentOS 6.x versions:
@@ Line 36: / Line 36: @@
   # wget http://www.omnidex.com/downloads/omnidex/Linux/el5/omnidex.repo -P /etc/yum.repos.d
-== 3. Choose whether to use the latest stable version, or the current development version ==
-There are several versions of Omnidex that are available.  By default, yum will install the latest stable version of Omnidex, suitable for production applications.  If you would like to access the most recent development software to gain access to the latest features, you must edit the yum repository.
+For SuSE versions:
+  # wget http://www.omnidex.com/downloads/omnidex/Linux/el6/omnidex.repo -P /etc/zypp/repos.d
+== 3. Choose whether to use the latest stable version or the current development version ==
+By default, yum will install the latest stable version of Omnidex, suitable for production applications.  If you would like to access the most recent development version or a previous version of Omnidex, you must edit the Omnidex repository.
 The repository contains three sections:
-- [omnidex] - The most recent stable version of Omnidex, suitable for production applications.
+  * [omnidex] - The most recent stable version of Omnidex, suitable for production applications.
-- [omnidex-devel] - The most recent development version of Omnidex containing the latest features and bug fixes.
+  * [omnidex-devel] - The most recent development version of Omnidex containing the latest features and bug fixes.
-- [omnidex-arch] - An archive of previous versions of Omnidex.
+  * [omnidex-arch] - An archive of previous versions of Omnidex.
-Choose which section you want to have active by setting "enabled = 1" for that section and "enabled = 0" for all other sections.
+Choose which section you want to activate by setting "enabled = 1" for that section and "enabled = 0" for all other sections.
 == 3. Install Omnidex ==
-Once the Omnidex repository is installed, Omnidex can be automatically installed using the command:
+For Red Hat or CentOS versions:
+Once the Omnidex repository is copied, Omnidex can be automatically installed using the command:
   # yum install omnidex
@@ Line 67: / Line 75: @@
   # yum install omnidex-<version>  (eg. yum install omnidex-5.3-08D.el6.linux)
+Note: To install an earlier version of Omnidex than the version currently installed, first remove Omnidex and then clear the yum cache.
+  # yum remove omnidex
+  # yum clean metadata
+For SuSE versions:
+Once the Omnidex repository is copied, Omnidex can be automatically installed using the command:
+  # zypper install omnidex
+You can update an existing version of Omnidex using the command:
+  # zypper update omnidex
+You can remove an existing version of Omnidex using the command:
+  # zypper remove omnidex
+If your repository is set to [omnidex-arch] as described above, you can view all available versions and install a particular version using the commands:
+  # zypper packages omnidex
+  # zypper install omnidex-<version>  (eg. zypper install omnidex-5.3-08D.el6.linux)
+Note: To install an earlier version of Omnidex than the version currently installed, first remove Omnidex and then clear the yum cache.
+  # zypper  remove omnidex
+  # zypper  clean
 === Manual installation ===
@@ Line 102: / Line 138: @@
 <code>
-  export LD_LIBRARY_PATH="opt/omnidex/lib:$LD_LIBRARY_PATH"
   export CLASSPATH="/opt/omnidex/lib/Omnidex.jar:$CLASSPATH"
+  export LD_LIBRARY_PATH="opt/omnidex/lib:$LD_LIBRARY_PATH"
+  export LD_PRELOAD="<see below>"
 </code>
 To use OdxSQL as a Java client for testing purposes, you also must add the directory containing libjvm.so to LD_LIBRARY_PATH.
+Additionally, it is recommended to set LD_PRELOAD to Java's libjsig.so library due to known compatibility issues with Java's signal handling with other applications, including Omnidex. This is necessary to avoid unexplained aborts of the JVM when connecting to Omnidex processes, such as when setting up application pooling using DBCP. Instructions for setting this variable can be found at the following link:
+https://docs.oracle.com/javase/8/docs/technotes/guides/vm/signal-chaining.html
 === Install Omnidex to run as a service (optional) ===
-Omnidex is usually run as a service, though it can be run in a console window as well.  The files needed to set up Omnidex as a service are automatically placed in /etc/init.d upon installation.
+Omnidex is usually run as a service, though it can be run in a console window as well. The files needed to set up Omnidex as a service are automatically placed in /etc/systemd/system upon installation.
 The following commands are available to manage the Omnidex service:
 <code>
-  service omnidexd start        (start omnidex as a service)
+  systemctl start omnidex         (start omnidex as a service)
-  service omnidexd stop         (stop omnidex as a service)
+  systemctl stop omnidex          (stop omnidex as a service)
-  service omnidexd restart      (restart omnidex as a service)
+  systemctl restart omnidex       (restart omnidex as a service)
-  service omnidexd status       (check if omnidex is running as a service)
+  systemctl status omnidex        (check if omnidex is running as a service)
 </code>
@@ Line 124: / Line 166: @@
 <code>
-  chkconfig --add omnidexd      (add omnidex service to startup)
+  systemctl enable omnidex        (add omnidex service to startup)
-  chkconfig --del omnidexd      (remove omnidex service from startup)
+  systemctl disable omnidex       (remove omnidex service from startup)
-  chkconfig --list omnidexd     (check if omnidex service is in the startup)
+  systemctl is-enabled omnidex    (check if omnidex service is in the startup)
 </code>

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install/guides/linux.1454004763.txt.gz · Last modified: 2016/06/28 22:38 (external edit)

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