CentOS Linux 8.1 (1911) released and here is how to upgrade it

CentOS Linux 8.1 (1191) released. It is a Linux distribution derived from RHEL (Red Hat Enterprise Linux) 8.1 source code. CentOS was created when Red Hat stopped providing RHEL free. CentOS 8.1 gives complete control of its open-source software packages and is fully customized for research needs or for running a high-performance website without the need for license fees. Let us see what’s new in CentOS 8.1 (1911) and how to upgrade existing CentOS 8.0.1905 server to 8.1.1911 using the command line.

CentOS Linux 8 (1911) released

From the mailing list:

Updates released since the upstream release are all posted, across all architectures. We strongly recommend every user apply all updates, including the content released today, on your existing CentOS Linux 8. This release supersedes all previously released content for CentOS Linux 8, and therefore we highly encourage all users to upgrade their machines. Information on different upgrade strategies and how to handle stale content is included in the Release Notes.

How to update to CentOS Linux 8.1 (1911)

First note down the CentOS Linux 8 version by typing the following cat command:
cat /etc/centos-release
Sample outputs:

CentOS Linux release 8.0.1905 (Core)

Also find and note the Linux kernel version:
uname -mrs
Sample outputs:

Linux 4.18.0-80.11.2.el8_0.x86_64 x86_64

How to upgrade CentOS 8 to 8.1

One can update existing CentOS Linux 8 sever by just running the following dnf command or yum command:
sudo dnf update
sudo yum update

CentOS Linux 8 (1911) upgrade command

Finally reboot the Linux system:
$ sudo shutdown -r now
$ sudo reboot


Verify that upgrade went smoothly with help of [nixmd name=”cat”]/grep command/egrep command:
$ uname -mrs
$ cat /etc/centos-release
$ dmesg | egrep -i 'err|warn|critical'
$ sudo tail -f /var/log/https/access_log
$ sudo tail -f /var/log/https/error_log


You learned how to update an existing CentOS Linux version 8.0 to 8.1 (1191) using the command line option. One can also grab updated ISO for full installation too. As always, read through the release notes here. Happy upgrades!

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