Easiest way to get the dates when your redhat linux server is patched.

Today we will look at an interesting article to find out the exact dates when we have our linux system patched.

a. The trick to find when is your kernel last updated.

# rpm -qa --last | grep -i kernel

b. To see all packages when they were installed.

[root@ngelinux016 ]# rpm -qa --last | more
katello-ca-consumer-ngeli007.neglinuxgroup.net-1.0-1 Tue 12 Jan 2021 09:14:53 GMT
subscription-manager-1.11.3-14.el5_11         Tue 29 Dec 2020 08:41:27 GMT
virt-what-1.11-2.el5                          Tue 29 Dec 2020 08:41:25 GMT
python-rhsm-1.11.3-5.el5                      Tue 29 Dec 2020 08:41:25 GMT
python-simplejson-2.0.9-8.el5                 Tue 29 Dec 2020 08:41:23 GMT
python-ethtool-0.6-5.el5                      Tue 29 Dec 2020 08:41:22 GMT
python-dateutil-1.2-3.el5                     Tue 29 Dec 2020 08:41:22 GMT
BESAgent-9.5.16.90-rhe5                       Wed 28 Oct 2020 09:44:20 GMT
cloudamize_agent-11.15-1                      Tue 02 Jun 2020 21:04:53 BST
BESClientDeployTool-9.5.14.73-rhe5            Mon 09 Dec 2019 10:25:56 GMT
rear-1.17.2-1.el5                             Tue 09 Jul 2019 16:29:07 BST
parted-1.8.1-30.el5                           Tue 09 Jul 2019 16:28:59 BST
mkisofs-2.01-10.7.el5                         Tue 09 Jul 2019 16:28:58 BST
parted-1.8.1-30.el5                           Tue 09 Jul 2019 16:28:54 BST
snowagent-5.0.1-1                             Thu 07 Feb 2019 10:24:48 GMT
bind-libs-9.3.6-25.P1.el5_11.12               Wed 25 Oct 2017 10:45:37 BST
nss-3.21.3-2.el5_11                           Wed 25 Oct 2017 10:45:36 BST
nspr-4.11.0-1.el5_11                          Wed 25 Oct 2017 10:45:36 BST
redhat-release-5Server-5.11.0.8               Wed 25 Oct 2017 10:45:35 BST
openssl-0.9.8e-40.el5_11                      Wed 25 Oct 2017 10:45:35 BST

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