Updating Linux Kernel and Security fixes
Determine security-related updates or notices available
=========================================================
[root@funebs122 ~]# yum updateinfo
Last metadata expiration check: 2:44:27 ago on Sun 27 Mar 2022 09:17:43 PM +08.
Updates Information Summary: available
202 Security notice(s)
4 Critical Security notice(s)
78 Important Security notice(s)
103 Moderate Security notice(s)
17 Low Security notice(s)
404 Bugfix notice(s)
67 Enhancement notice(s)
or
On Linux 8 where dnf is available
[root@funebs122 ~]# dnf updateinfo
Last metadata expiration check: 2:47:11 ago on Sun 27 Mar 2022 09:17:43 PM +08.
Updates Information Summary: available
202 Security notice(s)
4 Critical Security notice(s)
78 Important Security notice(s)
103 Moderate Security notice(s)
17 Low Security notice(s)
404 Bugfix notice(s)
67 Enhancement notice(s)
Kernel Version:
=======================
[root@funebs122 ~]# uname -r
5.4.17-2102.200.13.el8uek.x86_64
Get Security Related Information:
======================================
[root@funebs122 ~]# dnf updateinfo list sec
or
[root@funebs122 ~]# yum updateinfo list sec
Updating System Packages and Kernel
==============================
yum update
or
dnf update
Installing Security Updates Only
=======================================
yum update --security
Reboot Server
=======================================
reboot
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