CentOS Linux's future is CentOS Stream – yes, you have heard it correctly. This is the exact announcement from Rich Brown, community manager of CentOS.
In 2021, CentOS will be shifting focus from CentOS Linux to CentOS Stream, a midstream between Fedora and RHEL. This announcement garnered a lot of negative reactions in the comments section and all over social media and blogs.
Along with this, the support for CentOS 8 will end at the end of 2021, cut short from the actual end date – 31st May 2029. This end of support forces users to switch to CentOS stream as early as possible.
If you plan to upgrade from CentOS 7 to CentOS 8, you can skip or avoid upgrading to CentOS 8 as CentOS 7 will get support until 2024.
Though you may like it or not, we have to migrate our systems from CentOS 8 to CentOS stream one day. So, follow the below procedure to migrate from CentOS 8 to CentOS stream without any struggle.
Update CentOS 8 (Optional)
Bring up your system to the latest release of CentOS 8 (v8.3.2011) and then proceed to upgrade.
dnf update -y
Reboot the system to complete the update.
reboot
Check the OS version post-reboot.
cat /etc/centos-release
Output:
CentOS Linux release 8.3.2011
Convert from CentOS 8 to CentOS Stream
Install the CentOS Stream release package on your system. This package places the CentOS Stream repository configuration in the /etc/yum.repos.d directory.
dnf install centos-release-stream -y
Output:
CentOS-8 - AppStream 1.4 MB/s | 6.2 MB 00:04 CentOS-8 - Base 489 kB/s | 2.3 MB 00:04 CentOS-8 - Extras 2.4 kB/s | 8.1 kB 00:03 CentOS-8 - PowerTools 616 kB/s | 2.0 MB 00:03 Google Cloud SDK 5.0 MB/s | 23 MB 00:04 Google Compute Engine 2.3 kB/s | 7.4 kB 00:03 Dependencies resolved. =================================================================================================================== Package Arch Version Repository Size =================================================================================================================== Installing: centos-release-stream x86_64 8.1-1.1911.0.7.el8 extras 11 k Installing dependencies: centos-gpg-keys noarch 1:8-2.el8 BaseOS 12 k centos-linux-release noarch 8.3-1.2011.el8 BaseOS 22 k replacing centos-release.x86_64 8.0-0.1905.0.9.el8 centos-linux-repos noarch 8-2.el8 BaseOS 20 k Transaction Summary =================================================================================================================== Install 4 Packages Total download size: 64 k Downloading Packages: (1/4): centos-gpg-keys-8-2.el8.noarch.rpm 11 kB/s | 12 kB 00:01 (2/4): centos-linux-repos-8-2.el8.noarch.rpm 18 kB/s | 20 kB 00:01 (3/4): centos-linux-release-8.3-1.2011.el8.noarch.rpm 20 kB/s | 22 kB 00:01 (4/4): centos-release-stream-8.1-1.1911.0.7.el8.x86_64.rpm 139 kB/s | 11 kB 00:00 ------------------------------------------------------------------------------------------------------------------- Total 27 kB/s | 64 kB 00:02 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Running scriptlet: centos-gpg-keys-1:8-2.el8.noarch 1/1 Installing : centos-gpg-keys-1:8-2.el8.noarch 1/5 Installing : centos-linux-release-8.3-1.2011.el8.noarch 2/5 Installing : centos-linux-repos-8-2.el8.noarch 3/5 Installing : centos-release-stream-8.1-1.1911.0.7.el8.x86_64 4/5 Obsoleting : centos-release-8.0-0.1905.0.9.el8.x86_64 5/5 warning: /etc/yum.repos.d/CentOS-PowerTools.repo saved as /etc/yum.repos.d/CentOS-PowerTools.repo.rpmsave Running scriptlet: centos-release-8.0-0.1905.0.9.el8.x86_64 5/5 Verifying : centos-gpg-keys-1:8-2.el8.noarch 1/5 Verifying : centos-linux-release-8.3-1.2011.el8.noarch 2/5 Verifying : centos-release-8.0-0.1905.0.9.el8.x86_64 3/5 Verifying : centos-linux-repos-8-2.el8.noarch 4/5 Verifying : centos-release-stream-8.1-1.1911.0.7.el8.x86_64 5/5 Installed: centos-release-stream-8.1-1.1911.0.7.el8.x86_64 centos-gpg-keys-1:8-2.el8.noarch centos-linux-release-8.3-1.2011.el8.noarch centos-linux-repos-8-2.el8.noarch Complete!
Run the below command remove the CentOS 8 repository configurations from the /etc/yum.repos.d directory.
dnf swap centos-{linux,stream}-repos -yOutput:
Dependencies resolved. =================================================================================================================== Package Arch Version Repository Size =================================================================================================================== Installing: centos-stream-release noarch 8.4-1.el8 Stream-BaseOS 21 k replacing centos-linux-release.noarch 8.3-1.2011.el8 replacing centos-release-stream.x86_64 8.1-1.1911.0.7.el8 centos-stream-repos noarch 8-2.el8 Stream-BaseOS 19 k Removing: centos-linux-repos noarch 8-2.el8 @BaseOS 26 k Transaction Summary =================================================================================================================== Install 2 Packages Remove 1 Package Total download size: 40 k Downloading Packages: (1/2): centos-stream-release-8.4-1.el8.noarch.rpm 18 kB/s | 21 kB 00:01 (2/2): centos-stream-repos-8-2.el8.noarch.rpm 16 kB/s | 19 kB 00:01 ------------------------------------------------------------------------------------------------------------------- Total 18 kB/s | 40 kB 00:02 Running transaction check Transaction check succeeded. Running transaction test Transaction test succeeded. Running transaction Preparing : 1/1 Running scriptlet: centos-stream-repos-8-2.el8.noarch 1/1 Installing : centos-stream-repos-8-2.el8.noarch 1/5 Installing : centos-stream-release-8.4-1.el8.noarch 2/5 Obsoleting : centos-release-stream-8.1-1.1911.0.7.el8.x86_64 3/5 Obsoleting : centos-linux-release-8.3-1.2011.el8.noarch 4/5 Erasing : centos-linux-repos-8-2.el8.noarch 5/5 Running scriptlet: centos-linux-repos-8-2.el8.noarch 5/5 Verifying : centos-stream-release-8.4-1.el8.noarch 1/5 Verifying : centos-linux-release-8.3-1.2011.el8.noarch 2/5 Verifying : centos-release-stream-8.1-1.1911.0.7.el8.x86_64 3/5 Verifying : centos-stream-repos-8-2.el8.noarch 4/5 Verifying : centos-linux-repos-8-2.el8.noarch 5/5 Installed: centos-stream-release-8.4-1.el8.noarch centos-stream-repos-8-2.el8.noarch Removed: centos-linux-repos-8-2.el8.noarch Complete!
Synchronize the installed packages to the latest available versions.
dnf distro-sync -y
This action would take some time to complete, and it depends on the speed of the internet connection. Wait for the update to complete.
Reboot the system post-migration.
reboot
Validate the OS release after reboot.
cat /etc/centos-release
Output:
CentOS Stream release 8
Sumber: disini
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