Delete Old Unused Kernels in Debian Rumi, June 17, 2022 To find out the current version of Linux kernel running on your system, use the following command. $ uname -sr Linux 4.12.0-041200-generic To list all installed kernels on your system, issue this command. $ dpkg -l | grep linux-image | awk '{print$2}' linux-image-4.12.0-041200-generic linux-image-4.8.0-22-generic linux-image-extra-4.8.0-22-generic linux-image-generic Remove Old Unused Kernels on Debian and Ubuntu Run the commands below to remove a particular linux-image along with its configuration files, then update grub2 configuration, and lastly reboot the system. $ sudo apt remove --purge linux-image-4.4.0-21-generic $ sudo update-grub2 $ sudo reboot Related Administrations Configurations (Linux) DebianKernelUbuntu
How to MERGE or JOIN multiple videos without re-encoding | With FREE tool June 15, 2023 I must vouch this tool- it’s pretty cool and free/open source. It saved my work a lot! Related Read More
Installing a Comodo SSL on Zimbra using CLI April 14, 2019April 14, 2019 1. Get the bundle from Comodo in crt format, or sometimes like a zip file. 2. Place the bundle on your Zimbra mailbox server. You should receive, or download, the next files: AddTrustExternalCARoot.crt COMODORSAAddTrustCA.crt COMODORSADomainValidationSecureServerCA.crt my_domain_com.crt or since comodo is acquired by Sectigo, the updated zip might appear as below:… Read More
Creating a Sudo User in Debian or Ubuntu April 14, 2022 Creating a Debian Sudo User Creating a Debian sudo user involves a few simple steps. This procedure does not require you to edit the sudoers file. If you have an existing user that you want to grant sudo privileges, skip Step 2. Step 1: Log in as the Root User… Read More