Archives for November 2022

While Linux administrators often work at the command-line, it is certainly useful to have a visual representation of network configuration options. By running the nmtui command, you can call up a text-based user interface, or TUI. Navigating a TUI is accomplished by using the Tab key, the Spacebar, the Enter key, and the arrow keys. […]

While Linux administrators often work at the command-line, it is certainly useful to have a visual representation of network configuration options. By running the nmtui command, you can call up a text-based user interface, or TUI. Navigating a TUI is accomplished by using the Tab key, the Spacebar, the Enter key, and the arrow keys. […]

nmcli is a tool for working with NetworkManager via the command-line. This tool is useful when access to a graphical environment is not available and can also be used within scripts to make network configuration changes. The following are some example of subcommands you can use with nmcli. Subcommand Used To general status View a […]

The nmcli tool is the most fundamental of the NetworkManager interfaces. It contains many subcommands that enable you to view and configure network information. Because many network servers will not include a GUI, it is important to be comfortable with nmcli to manage network settings. The following are some example of subcommands you can use […]

The dmidecode command dumps the system’s Desktop Management Interface (DMI) table and presents it in a human-readable format. The DMI table is an industry-standard for tracking information about hardware components. It separates components into types, with each type given a number—for example, type 4 is a processor, type 39 is a power supply, etc. Like […]

lshw reports memory configuration, firmware versions, mainboard configuration, CPU version and speed, cache configuration, bus speed, hardware paths, attached devices, partitions, and filesystems. Try the lshw (Hardware Lister) command with no options, and store the output in a text file: $ sudo lshw | tee hardware.txt duchess description: Laptop product: Latitude E7240 (05CA) vendor: Dell […]

The lpq command shows the status of the printer queue. By default, it will report each print job’s rank in the queue, who owns the job, the job number, the files in the job, and the size of the job. You can also have the report update every number of seconds that you specify with […]

The lpq command shows the status of the printer queue. By default, it will report each print job’s rank in the queue, who owns the job, the job number, the files in the job, and the size of the job. You can also have the report update every number of seconds that you specify with […]

The lsusb command is used to display information about devices that are connected to the system’s USB buses. This command scans the /dev/bus/usb/ directory for information. By default, the command will print the number of the bus and the connected device, the ID of the device, and the name of the vendor and product matching […]