© Matteo Corti, ETH Zurich, 2007-2012
© Matteo Corti, 2007-2021
see AUTHORS for the complete list of contributors
check_updates is a Nagios plugin to check if RedHat or Fedora system is up-to-date
The plugin uses either YUM, DNF or up2date depending on the operating system.
If at least a security update is available the plugin will return a critical status.
This can be overriden with the
--number-only command line option
up2date -l to list the outdated packages can only be run be run
by root the plugin must be executed as root. Please configure sudo as
nagios ALL= NOPASSWD: /usr/sbin/up2date -l
and execute the plugin with sudo
DNF uses different caches per user. This has the consequence that DNF and the plugin will potentially deliver different results for different users.
YUM security plugin
Use one of the following commands to install the YUM security plugin:
- Fedora, Red Hat Enterprise Linux 6.x, CentOS 6.x, Scientific Linux 6.x systems:
yum install yum-plugin-security
- Red Hat Enterprise Linux 5.x, CentOS 5.x and Scientific Linux 5.x systems:
yum install yum-security