CentOS 8

How to migrate from CentOS 8 Linux to AlmaLinux 8

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To convert your CentOS8 operating system to AlmaLinux do the following: -Make a backup of the system. -Disable Secure Boot because AlmaLinux doesn’t support it yet. -Download the almalinux-deploy.sh script: run the system update and upgrade command In CentOS and run the system update and upgrade command. Install Curl, if you don’t have it: Download … Read more

Firewalld on CentOS 8

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CentOS 8 uses firewalld.You can see all zones by running the following ls command: Predefined Zones Explained block – All incoming network connections rejected. Only network connections initiated from within the system are possible. dmz – Classic demilitarized zone (DMZ) zone that provided limited access to your LAN and only allows selected incoming ports. drop … Read more