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--- linux_wiki:yum [2016/01/03 16:48]
billdozor
+++ linux_wiki:yum [2019/05/25 23:50] (current)
@@ Line 6: / Line 6: @@
 **Checklist**
-  * Enterprise Linux (Red Hat based)
+  * Distro(s): Enterprise Linux
 ----
@@ Line 29: / Line 29: @@
 ====== Package Version Locking ======
-TODO
+Lock packages at specific versions to prevent them from being upgraded with "yum update".
+Install the version lock yum plugin
+<code bash>
+yum install yum-plugin-versionlock
+</code>
+\\
+Lock httpd package at the current installed version
+<code bash>
+yum versionlock httpd
+</code>
+\\
+List version locked entries
+<code bash>
+yum versionlock list
+</code>
+\\
+Remove httpd from being version locked
+<code bash>
+yum versionlock delete httpd
+</code>
+\\
+Remove all packages from being version locked
+<code bash>
+yum versionlock clear
+</code>
 ----
@@ Line 35: / Line 64: @@
 ====== Package Excludes ======
-TODO
+Exclude packages from a yum update, temporarily and persistently.
+Exclude one time
+<code bash>
+yum update --exclude=kernel*
+</code>
+\\
+Exclude persistently
+<code bash>
+vim /etc/yum.conf
+exclude=kernel* httpd*
+</code>
 ----