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How to tell ssh client to ignore ssh config file
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:rn rn ssh - F / dev / null user @host rn rn rnThis tells ssh to use an empty config file instead of the default one located at ~/.ssh/configrn rn rn ssh
How to convert video to GIF in Linux using ffmpeg CLI
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”: n n n ffmpeg - i input .mp4 -vf "fps= 15 ,scale= 320 :- 1 :flags=lan
How to add Mastodon verification for the Discourse forum
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
How to install git command on Alpine Linux
To install Git on Alpine Linux, you can use the package manager apk. Open a terminal and run the following command:rn rn rn apk add gitrn rn rnThis will install Git and any necessary dependencies. To confirm that Git is installed, you can run the command git --version which should display the versio
How to hide Nginx version on Linux and Unix
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 h
Linux Command To Shutdown HP/IBM/Sun/Dell Server System
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:rn rn Using the "shutdown" command: This command allows you to schedule a shutdown at a specific time, or to shut down immediatel
how to CentOS / RHEL: Remove Routes 169.254.0.0 / 255.255.0.0 From the System
rn rn rn rn rn 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:rn rn rn route -n
how to Linux / Unix: Tarball Delete ( remove ) File
In Linux and UNIX, there are several ways to empty a directory:rn rn Using the rm command: rn rn rn rm -rf /path/to/directory/*rn rn rnThis command will remove all files and subdirectories in the specified directory, but it will not remove the directory itself.rn rn Using the find command: rn rn rn
how to Linux / UNIX: How To Empty Directory
In Linux and UNIX, there are several ways to empty a directory:rn rn Using the rm command: rn rn rn rm -rf /path/to/directory/*rn rn rnThis command will remove all files and subdirectories in the specified directory, but it will not remove the directory itself.rn rn Using the find command: rn rn rn
how to Linux: Mount Disk Partition Using LABEL
n n n n n n In Linux, you can use the mount command to mount a disk partition by its LABEL, rather than by its device name. The LABEL is a human-readable string that is assigned to the partition, and can be used to identify it. n Here is an example of how to mount a partition with the LABEL “d
How to Bash Shell: Find Out If a Variable Is Set or Not
rn rn rn rn rn In Bash shell, you can use the ${var+x} construct to check if a variable is set or not. If the variable is set, the construct will return the value of the variable, otherwise it will return the string "x". Here is an example of how to use this construct to check if a variable n
how to Mplayer Shuffle Command: Play Files In Random Order
In MPlayer, you can use the -shuffle command line option to play files in a random order. For example, to play all the files in the current directory in a random order, you can use the following command: n n n mplayer -shuffle * n n n You can also use the -playlist command line option to play files
passwd: pam_chauthtok(): conversation failure Error and Solutions
rn rn rn rn rn The "pam_chauthtok(): conversation failure" error can occur when trying to change a user's password with the passwd command, indicating that the PAM (Pluggable Authentication Modules) module is not able to communicate with the user to verify their identity or to obtain the new pas
memcached: Failed To Set rlimit For Open Files Error and Solution
The "Failed to set rlimit for open files" error can occur when starting the memcached service, indicating that the service is not able to set the maximum number of open files allowed for the system. This can happen for several reasons:rn rn The system's ulimit for open files is set too low: You can
how to Debian / Ubuntu Linux: Setup NFSv4 File Server
In Debian and Ubuntu Linux, you can set up an NFSv4 file server to share files with other systems on the network. Here are the basic steps to set up an NFSv4 file server:rn rn Install the NFS server software by running the following command: rn rn rn rn sudo apt- get install nfs-kernel-serverrn rn r
Find Out What tty I’m Using tty command under Linux / Unix
n n n n n n In Linux or Unix, you can use the tty command to find out what terminal you are currently using. The command will display the file name of the terminal connected to the standard input. n n n tty n n n If you are logged in to a terminal session, the command will return the device name of
how to Linux / Unix: Bash Find Matching All Dot Files
In Linux or Unix, you can use the find command with the -name option to search for files that match a specific pattern. To find all files that begin with a dot, you can use the following command:rn rn find / path /to/search -name ".*" rn rn rnThis command will search the directory specified by /path
How to move a folder in Linux using mv command
rn rn rn rn rn rn rn rn rn In Linux, you can use the mv command to move a folder to a new location. The basic syntax is as follows:rn rn rn mv /path/to/original/folder /path/to/new/locationrn rn rnFor example, if you want to move a folder named "example" from the home directory to the /var/ dire
SSH: Agent Admitted Failure To Sign Using The Key Error And Solution
The "agent admitted failure to sign using the key" error occurs when the ssh-agent is not able to use the private key to sign the SSH session. This can happen for several reasons:rn rn The ssh-agent is not running: You can start the ssh-agent by running the command eval "$(ssh-agent -s)" . rn The pr
how to Debian Linux: Change Hostname / Computer Name Permanently
In Debian Linux, you can change the hostname or computer name permanently by editing the /etc/hostname file. Here are the steps:rn rn Open a terminal and log in as the root user or use sudo to run the following command. rn rn rn sudo nano /etc/hostnamern rn rn rn Change the current hostname to the d
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