![]() The latest versions are only available for 64 bit systems. Now you can check the OS version in the server. Download CentOS The CentOS ISO images are available on CentOS’s download page. # sudo apt-get update & sudo apt-get upgrade Upgrade the installed packages of Ubuntu version 16.04. To check the current OS version in the server. Now you can check the CentOS version in the server. # dnf -y groupupdate "Core" "Minimal Install"Īll the steps done. # dnf -y -releasever=8 -allowerasing -setopt=deltarpm=false distro-sync ![]() Launch the CentOS 8system upgrade as shown. Need to remove the old kernel core of CentOS 7. Install CentOS 8 release packages on the server. Remove the yum package manager from the server. Run the following command to know your current kernel: uname -sr. Install dnf in the server, dnf is the default package manager for CentOS 8. Then need to resolve RPM packages in the server. Once checked, then need to install EPEL Repository in the server. The below general steps can be used to update the upgrade CentOS 7 to CentOS 8.Ĭheck the current CentOS version in the server using the following command. *Please make sure to take proper backup of your entire server before performing the OS upgrade. The below steps can be followed to update the version for CentOS, Ubuntu & Debian. ![]() The best possible way to prevent them is to update your operating system to the latest version regularly. ![]() If keeping the outdated version, some unauthorized people may target those outdated operating systems because of their vulnerability, allowing them to breach the server and gain personal information. The unsupported operating systems versions will no longer receive security updates. ![]()
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