In Bash, you can declare a Boolean variable using the declare or typeset command, followed by the variable name and the value. For example, to declare a variable called “flag” and set it to true, you would use the following command: flag=true You can also use the -g option to make the variable global and … Read more

To fix the “firmware: failed to load iwlwifi-8265-36.ucode” error when configuring Intel WiFi on Debian Linux, you will need to install the firmware-iwlwifi package. Try running the following command as root: apt-get update && apt-get install firmware-iwlwifi Then reboot the system. Alternatively, you can download the package from the official Debian package repository and install … Read more

To create a new MySQL admin (superuser) account, you can use the following steps: Log in to the MySQL shell as the root user: mysql -u root -p Create a new user with the desired username and password, and grant them all privileges: GRANT ALL PRIVILEGES ON *.* TO ‘username’@’localhost’ IDENTIFIED BY ‘password’; Flush the … Read more

networkmanager –version and nmcli -v are command line instructions that can be entered into the terminal on a Linux system. They are used to display the version number of NetworkManager that is currently installed on the system. NetworkManager is a service that manages network connections on Linux and Unix-like systems. When you enter the command … Read more

This error message typically indicates that there was an issue with a filesystem operation performed by the Linux container manager LXD. The specific cause of the error can vary, but some common reasons include: Insufficient storage space on the host machine Permission issues with the container’s filesystem File system corruption Network connectivity issues To troubleshoot … Read more

There are several ways to check memory utilization and usage in Linux: free command: The free command is used to check the total amount of free and used physical and swap memory in the system, as well as the shared memory and buffers used by the kernel. $ free -m top command: The top command … Read more

You can check if a file does not exist in Bash by using the ! -f or ! -e operator. For example: if ! [ -f “/path/to/file” ]; then echo “File does not exist” fi Or if [ ! -e “/path/to/file” ]; then echo “File does not exist” fi Both of these commands will check … Read more

You can reset a WordPress password using the MySQL command-line interface (CLI) by following these steps: Log in to the MySQL CLI as the root user: mysql -u root -p You will be prompted to enter the root password. Select the WordPress database: use databasename; Replace “databasename” with the actual name of your WordPress database. … Read more

You can import a WireGuard profile using the nmcli command on Linux by following these steps: Create a new connection profile using the nmcli command: nmcli connection import type wireguard file /path/to/profile.conf This will import the WireGuard profile from the specified file and create a new connection profile with the same name as the file. … Read more

There are several ways to remove carriage returns (also known as “line endings” or “newline characters”) in Linux or Unix. Some common methods include: Using the “tr” command: tr -d ‘\r’ < input.txt > output.txt This command uses the “tr” (translate) command to delete all occurrences of the carriage return character (\r) from the input … Read more