How to change UID and GID of the local user in Linux? 3 Easy Steps
How to change the UID and GID of the local user? Have you ever faced the issue of a service not starting or a permission error? You need to check…
Grub2 files are missing from /boot. How to recover ?
Grub2 or Boot Repair Due to some file corruption or mishandling we lost grub. This can cause the system to hang in the boot.When you reboot the system it will not…
How to reset my MySQL database root password?
How to reset my MySQL database root password?This is a very common issue if you are working in a big environment or a system where everything is automated. People always…
How To Enable X11 Forwarding in RHEL 8 / Centos 8
How To Enable X11 Forwarding in RHEL 8 / Centos 8 X11 is very important for a sysadmin because some applications only install or run on GUI. This always happen…
How to Use vi Editor in Linux and vi Editor Cheat-Sheet with 38 Shortcut
How to Use vi Editor in Linux and vi Editor Command in Linux How to Use vi Editor in Linux and vi Editor Command in Linux vi Editor : .…
How to Create Network Bridge in RHEL 8 /Centos 8
How to Create Network Bridge in RHEL 8 / Centos 8Network Bridge is a link layer device based on mac address that foreword traffic between networks. In Linux, software bridge…
How to Check and Disable Selinux in Centos7/8, RHEL 7/8
How to check and disable Selinux in Centos7/8, RHEL 7/8 SELinux - Security-Enhanced Linux It is a security architecture that gives you more control over the system that others can…
How to Use and Enable/Disable Firewall in Centos7/8, RHEL 7/8
How to Check and Disable Firewall in Centos7/8, RHEL 7/8 As we know the firewall is very important for our system or server security. In some cases where you have…
How to configure yum / dnf repo in RHEL 8 server with screenshots and Bonus Tip
In this article, you how to configure yum or dnf in RHEL 8. There are two repositories that have been added one for AppStream and the second…