Linux

SSH Server refused our key

June 13, 2022 by Yujin Boby

I got the following error when logging in to a server using SSH key authentication. Server refused our key I checked the…

How to create public key from SSH private key?

June 10, 2022 by Yujin Boby

Lost SSH public key, don’t worry, you can generate it from your private key file. If you have an SSH private key,…

How to check if ImageMagick is installed?

June 3, 2022 by Yujin Boby

How to find ImageMagick is installed on the server, run which convert Usually, it will be installed at – /usr/bin/convert On Ubuntu/Debian,…

Determine the Default Time Zone on Linux

August 12, 2024June 2, 2022 by Yujin Boby

To find the timezone of your Linux server, you can use the command You can also use the command To find a…

How to remove a package without removing dependencies in RHEL

October 12, 2022May 14, 2022 by Yujin Boby

When you remove a package with the command yum remove PKG_NAME yum will remove all other packages that are dependent on the…

How to install dropbear SSH server

March 7, 2025May 12, 2022 by Yujin Boby

Dropbear is a Lightweight SSH server. You can use it as openssh server alternative. Dropbear is particularly useful for embedded type Linux…

Reset nextcloud admin password (snap install)

May 2, 2022 by Yujin Boby

To reset the admin password of a nextcloud installed using the snap package, run sudo nextcloud.occ user:resetpassword USER_NAME_HERE It will ask for…

growpart: command not found

June 9, 2024April 22, 2022 by Yujin Boby

When trying to resize a disk on Debian 8, I got the following error Fixed by installing cloud-utils package On newer versions…

How to install .NET SDK in Ubuntu 20.04

April 19, 2022 by Yujin Boby

To install .NET on ubuntu 20.04, run the following commands wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb sudo dpkg -i packages-microsoft-prod.deb rm packages-microsoft-prod.deb sudo apt-get…