By default Ubuntu 22.04 LTS Jammy Jellyfish enabled with netplan network configuration using YAML format. If you are comfortable with using nmcli we need to install Network Manager […]
LEAPP Upgrade failed with more space needed on the / filesystem
LEAPP Upgrade from RHEL 7 to 8 fails for lack of space, The actual error while performing a LEAPP upgrade. Just we need to increase the size of […]
Solution for IPA Error 4203: DatabaseError
Quick solution to fix the IPA error 4203 database error while adding new users from the IDM web interface.
Change default kernel to boot in RHEL 8 | Easy guide
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.
grub2-editenv: error: environment block too small | Simple Solution
A quick guide to resolve the “grub2-editenv: error: environment block too small” error when the grubenv file size exceeds the expected 1024 bytes.
vSAN cluster UUID mismatch | 1 Quick Solution
A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
Recover from Starting Switch Root or corrupted Glibc
While starting the server it will not move forward after “Starting Switch Root”. Step by Step let’s see how to fix this issue.
Recover from chmod 777 permission on a root filesystem
How to Recover from accidentally running chmod -R 777 / on any RPM-based Linux Operating systems.
How to fix Grub Rescue in CentOS and RHEL 7
A fix for boot issue (Grub rescue) will be carried out by sysadmins by following few steps. A brief guide on how to recover GRUB and UEFI based servers.
Your account are not allowed to access to crontab because of pam configuration.
A password expiry error will be thrown, account are not allowed to create a cron job by saying PAM configuration in place.