You can use the command dpkg-query to list all installed packages and their sizes on a Debian or Ubuntu system. You can then sort the list by size to find the packages that are using the most space. Here’s an example command that will list the installed packages in descending order of size: dpkg-query -Wf … Read more
You can tell the ssh client to ignore the ssh config file by using the “-F” option and specifying an empty or non-existent config file. For example: ssh -F /dev/null user@host This tells ssh to use an empty config file instead of the default one located at ~/.ssh/config ssh -F /path/to/nonexistent/config user@host This tells ssh … Read more
FFmpeg is a command-line tool that can be used to convert video files to GIFs on Linux. Here’s an example command that shows how to convert a video file called “input.mp4” to a GIF called “output.gif”: ffmpeg -i input.mp4 -vf “fps=15,scale=320:-1:flags=lanczos,split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse” output.gif This command does the following: -i input.mp4 specifies the input video file -vf … Read more
Mastodon is an open-source, decentralized social media platform that is similar to Twitter. One feature of Mastodon is the ability for users to verify their accounts, which indicates that the account is legitimate and run by the person or organization it claims to be. To add Mastodon verification to your Discourse forum, you will need … Read more
To install Git on Alpine Linux, you can use the package manager apk. Open a terminal and run the following command: apk add git This will install Git and any necessary dependencies. To confirm that Git is installed, you can run the command git –version which should display the version of Git that is currently … Read more
To hide the Nginx version on Linux and Unix systems, you can edit the Nginx configuration file (usually located at /etc/nginx/nginx.conf) and add the following line in the main context: server_tokens off; This will prevent Nginx from including the version number in the Server HTTP response header. You can also add the line server_tokens off; … Read more
There are several ways to shut down a Linux server system, depending on the type of server and the distribution of Linux that you are using. Here are a few common methods: Using the “shutdown” command: This command allows you to schedule a shutdown at a specific time, or to shut down immediately. To shut … Read more
To remove the route for the 169.254.0.0/255.255.0.0 network from a CentOS or RHEL system, you can use the “route” command with the “del” option. First, check the current routing table to confirm that the route for the 169.254.0.0/255.255.0.0 network is present: route -n Then, remove the route using the following command: route del -net 169.254.0.0 … Read more
In Linux and UNIX, there are several ways to empty a directory: Using the rm command: rm -rf /path/to/directory/* This command will remove all files and subdirectories in the specified directory, but it will not remove the directory itself. Using the find command: find /path/to/directory -mindepth 1 -delete This command will recursively search the specified … Read more
In Linux and UNIX, there are several ways to empty a directory: Using the rm command: rm -rf /path/to/directory/* This command will remove all files and subdirectories in the specified directory, but it will not remove the directory itself. Using the find command: find /path/to/directory -mindepth 1 -delete This command will recursively search the specified … Read more