Ubuntu

I checked Ubuntu’s service ownership and the read-only interface, route, and resolver commands before writing this guide. You get the matching command for NetworkManager, systemd-networkd, Netplan, or one interface, followed by checks that show whether the route and DNS returned too. Why Ubuntu has more than one networking restart path Ubuntu 24.04.4 LTS, also called

On Ubuntu, apt remove, apt purge, and apt autoremove all uninstall a package, but they stop at different layers of it. The difference decides what survives: the package files, the configuration, or the leftover dependencies. I installed a small text-drawing filter called boxes and removed it three separate ways to record what each command clears,

I checked four version commands on Ubuntu 24.04.4 LTS and matched each one to the job it serves. Use lsb_release for a quick report, /etc/os-release when a script needs stable fields, and hostnamectl when the kernel belongs in the same check. These commands need no administrator access. Start with the shortest answer, then choose a

I rechecked every version claim in this comparison against the current release pages before rewriting it. On the 26.04 LTS releases, here is how Kubuntu vs Ubuntu actually differs, and which one you should install. Both ship the same Ubuntu base and differ in exactly one place that matters: the desktop. I verified the current

Connecting to WiFi from the terminal matters most when there is no desktop to click through. A minimal Arch install drops you at a root shell with no GUI, a headless server has no desktop at all, and a broken display manager leaves you with only a login prompt. nmcli, the command line client for

A TP-Link Wi-Fi adapter needs a driver for its chipset, not for the TP-Link brand name alone. Identify the adapter’s USB ID first, use the Linux kernel driver when one already supports it, and install an out-of-tree module only when the exact chipset requires one. Find the TP-Link model, hardware version, and chipset Read the

To kill a process in Ubuntu, find the process ID, send SIGTERM first, then verify that it exited. Use SIGKILL only when the process will not respond, and stop a systemd service with systemctl instead of killing a worker that the service manager will restart. Choose the right way to stop the process A desktop

Ubuntu calls its graphical software browser App Center, while the package behind it is snap-store. If the icon is missing or the app will not start, reinstalling snap-store is the direct repair path on a supported Ubuntu desktop. Check what needs repair Open the application overview and search for App Center. Ubuntu’s desktop documentation uses