To configure wake-on-LAN (WOL) for a Linux WiFi card, you need to make sure that the card supports WOL, and then enable WOL in the system’s BIOS and in the operating system. Here are the general steps to configure WOL for a Linux WiFi card: Check if your WiFi card supports WOL: You can check … Read more

To enable and start services on Alpine Linux, you can use the rc-update and service commands. Here’s the basic process: Enable the service:   # rc-update add [service-name] default Replace [service-name] with the name of the service you want to enable, such as sshd for the SSH daemon. The default argument sets the service to … Read more

To find and tar (create an archive) files into a tar ball (.tar file) in Linux, you can use the tar command in combination with the find command. Here’s the basic syntax:   $ find [directory] -name [pattern] -exec tar -czf [tarfile.tar.gz] {} + [directory]: The directory you want to search for files. [pattern]: A … Read more

To execute a shell script in Linux, you need to follow these steps: Give execute permission to the script:   $ chmod +x script.sh Run the script:   $ ./script.sh You can also run the script by specifying the interpreter, like this:   $ sh script.sh Or:   $ bash script.sh If the script is … Read more

To change the root password on Red Hat Enterprise Linux (RHEL), you can use the passwd command. This command allows you to change the password for the current user (in this case, the root user). Here’s how you can use the passwd command to change the root password: Log in to your system as the … Read more

To find a file in a directory and its subdirectories on Unix, you can use the find command. Here’s the basic syntax of the find command:   $ find [path] [expression] Where: [path] is the directory or directories where you want to search for the file. By default, [path] is the current directory (.). [expression] … Read more

To show a recursive directory listing on Linux or Unix, you can use the ls command with the -R option:   $ ls -R This will display a recursive listing of all the files and directories under the current directory, including the subdirectories and their contents. You can also use the find command to achieve … Read more

Bash aliases are only available in the current shell session, so they are not automatically available in an SSH-based session. However, you can make your aliases available in an SSH-based session by adding them to a shell startup file, such as ~/.bashrc, ~/.bash_profile, or ~/.bash_aliases. Here’s an example of how you could create an alias … Read more

You can use the w command to show the current logged-in users on a Linux system:   $ w This command will show the following information for each user: USER: the username of the user. TTY: the terminal associated with the user. FROM: the hostname or IP address from which the user logged in. LOGIN@: … Read more

To check the running processes on an AIX system, you can use the ps command. Here’s an example:   $ ps -ef This command will show a list of all the running processes and their status information. The output includes the following columns: UID: the user ID of the owner of the process. PID: the … Read more