What is yum-cron ?

What is yum-cron ?

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux Server 6.x
  • Red Hat Enterprise Linux Server 7.x

Issue

  • The yum-cron package provides a convenient way to check for, download and apply updates automatically.
  • The cron jobs from the yum-cron package are active immediately after installing the package and there’s no extra configuration necessary. The job will be run when daily cron jobs are set to run.

Resolution

  • To install yum-cron package
# yum -y install yum-cron
# chkconfig yum-cron on
  • Then edit /etc/sysconfig/yum-cron (RHEL 6) to set MAILTO= email address or /etc/yum/yum-cron.conf (RHEL 7) to set email_to= for email notifications.

    • For RHEL 6
MAILTO=sys@example.com
  • For RHEL 7
email_to=sys@example.com
  • To exclude packages using yum-cron:-
  • For RHEL 6
YUM_PARAMETER=kernel* mysql*
  • For RHEL 7 edit below option in the base section of /etc/yum/yum-cron.conf file.
[base]
exclude=kernel* mysql*
  • For RHEL 7 use following option in yum-cron configuration file to install security updates.
[commands]
#  What kind of update to use:
# default                            = yum upgrade
# security                           = yum --security upgrade
# security-severity:Critical         = yum --sec-severity=Critical upgrade
# minimal                            = yum --bugfix upgrade-minimal
# minimal-security                   = yum --security upgrade-minimal
# minimal-security-severity:Critical =  --sec-severity=Critical upgrade-minimal
update_cmd = security
  • To start yum-cron service after editing configuration file.

  • For RHEL 6

# service yum-cron start
  • For RHEL 7
# systemctl start yum-cron
  • Component
  • yum
0 (0)
Article Rating (No Votes)
Rate this article
Attachments
There are no attachments for this article.
Comments
There are no comments for this article. Be the first to post a comment.
Full Name
Email Address
Security Code Security Code
Related Articles RSS Feed
RHEL: Resize/disable /dev/shm filesystem
Viewed 15268 times since Sun, May 27, 2018
tcpdump
Viewed 9479 times since Fri, Jul 27, 2018
Applescript: Run or Call a Shell Script
Viewed 4425 times since Tue, Aug 6, 2019
tcpdump usage examples
Viewed 2472 times since Fri, Jul 27, 2018
Linux RedHat How To Create An RPM Package
Viewed 3451 times since Sun, Jan 9, 2022
RHEL7: Configure automatic updates.
Viewed 2048 times since Wed, Oct 17, 2018
stunnel Securing telnet connections with stunnel
Viewed 1686 times since Sun, Dec 6, 2020
How setting the TZ environment variable avoids thousands of system calls
Viewed 10387 times since Mon, May 21, 2018
Need to set up yum repository for locally-mounted DVD on Red Hat Enterprise Linux 7
Viewed 3343 times since Mon, Oct 29, 2018
Turbocharge PuTTY with 12 Powerful Add-Ons – Software for Geeks #3
Viewed 14914 times since Sun, Sep 30, 2018