When launching some apps (e.g., GParted, Synaptic, or Grub Customizer), install/uninstall packages with App Center or Software Updater, it always pops-up a dialog asking for admin password to authenticate. This is great for security! But for lazy men who don’t want to type user password again and again after logged in (or unlocked screen), it […]
Read MoreThis tutorial shows how to enable floating top panel in Ubuntu 24.04, Fedora 40, Arch, Manjaro and other Linux with GNOME 46/47 Desktop. Unlike traditional system panel which is usually stick to screen edge, floating bar (or panel) looks kinda like a desktop widget. It floats on the desktop, and usually has a small distance […]
Read MoreThis tutorial shows how to enable One Time PassWord in Ubuntu 24.04 for either local or remote SSH login. One Time PassWord, OTPW in short, is a PAM module which is useful for allowing a user to login public or shared computer/server using a single-use password, that works only for one time. By generating a […]
Read MoreThis is a simple tutorial shows how to disable password authentication, and use SSH key instead for remote login to remote Ubuntu Server or Desktop. SSH (Secure Shell) is a popular and secure way to login remote servers and/or transfer data between local and remote machines. When you try to SSH to a remote server, […]
Read MoreThis tutorial shows how to share your USB device, e.g., USB mouse/keyboard, USB drive, webcam, and speaker, in Ubuntu so you can access remotely from other computers/laptops. Linux Kernel includes a command line tool called USB/IP, allowing to share USB devices between computers with their full functionality. So, a computer can use remote USB devices […]
Read MoreThis is a step by step tutorial shows how to manually remap (or disable) keyboard keys in Ubuntu without using any third-party apps. There are a few free open-source applications that can re-map your mouse, keyboard, and other input devices keys in Linux. As far as know, they include input remmaper and AntiMicroX. For GNOME, […]
Read MoreThis tutorial shows how to disable “Ubuntu Pro” security updates in both apt command output and Software Updater dialog in Ubuntu 24.04 LTS. Ubuntu Pro is a comprehensive subscription for Extended Security Maintenance (esm in short), which also enables another 5-year support for Ubuntu LTS releases. And, it’s free for personal and small-scale commercial use […]
Read MoreUbuntu announced the first point release of Ubuntu 24.04 LTS few days ago with lots of bug-fixes and performance improvements. It’s time to upgrade to the new LTS, for users who were worrying about the stability issues. Ubuntu 24.04 is the current Long Term Support (LTS) release with 5 years of standard support until 2029, another […]
Read MoreThis is a step by step tutorial shows how to enable zram Kernel module and use as Swap device for better system performance in Ubuntu 24.04 PC/laptop with limited RAM. As you may know, Ubuntu usually includes a swap space. It works like MS Windows’ “virtual memory”, that uses the hard disk for additional memory […]
Read MoreThis tutorial shows how to enable zswap kernel module to increase usable RAM in your Ubuntu computer or laptop. As you know, Ubuntu Linux usually includes a swap space (either disk partition or swap file) on the disk. It can be used for hibernation, and as extended memory space. When the system needs more memory […]
Read MoreThis tutorial shows how to enable/disable Keyboard, Mouse, Lid Open, and/or other devices events from waking up your Ubuntu PC or laptop from sleep. By default, open laptop lid, press any key on keyboard, or press sleep button can wake up your computer from suspend or hibernation state. If you want, you can configure Ubuntu […]
Read MoreThis is a step by step beginner’s guide shows how to control the fan speed in Lenovo ThinkPad laptop running Ubuntu 24.04. The fan speed control solution differs depends on computer manufacturers. For my ThinkPad T480s, fan is usually not spinning when doing the basic web browsing and other light works. But if you want, […]
Read MoreThis is a step by step guide shows how to enable Wake-on-LAN feature in Ubuntu, so you can wake it up from suspend, hibernation, or shutdown state remotely using another computer or mobile phone. Wake on LAN, WoL in short, is a protocol allows computer to be turned on or waked up from sleep using […]
Read MoreThis is a step by step beginner’s guide shows how to disable IPv6 in Ubuntu 24.04 LTS with or without system restart. IPv6 is the future of internet protocols. But for some reasons, such as compatibility with certain networks, testing purpose, or security concerns, or just because don’t use that thing, users may want to […]
Read MoreThis tutorial shows how to separate /home from an existing Ubuntu file-system, to individual disk partition or even USB stick, while preserving all personal data. Linux can have separate /home partition, which is useful for re-installing system, or even trying different Linux distributions without losing most of custom settings, configurations, downloads, etc. While installing Linux, […]
Read MoreFor Ubuntu 24.04 and its based systems, the Mainline Kernel PPA finally fixed building recent Kernel packages since v6.10.3. The Mainline Kernel PPA is Ubuntu maintained package archive that keeps building the upstream Linux Kernel releases for testing purpose. The recent builds since v6.10-rc3 were broken due to unknown reason. If you’re waiting for the […]
Read MoreThis tutorial shows how to install the guest additions for Debian, Ubuntu, Linux Mint based systems that are running as Virtualbox virtual machine. Guest Additions is an external package designed to be installed inside a VirtualBox guest OS. It enables closer integration between the host and guest OSes, including features such as shared folder, custom […]
Read MoreThis is a step by step tutorial shows how to encrypt Ubuntu, while preserving its data, after you installed it on your computer. While installing Ubuntu 24.04, if you didn’t choose to use the entire disk, then there’s no graphical option to enable encryption. You can however manually encrypt the full Ubuntu system afterward. So, […]
Read MoreNVIDIA has announced new 555.58 driver release for more than a month. Here’s how to install it in Ubuntu 24.04, Ubuntu 22.04, Ubuntu 20.04, and their based systems. NVIDIA 555 so far is the latest new feature branch driver for Linux. It uses GSP firmware by default on all GPUs that support it. The GSP […]
Read MoreThis tutorial shows how to install and setup RetroArch to play classic video games, including Arcade, Atari, Commodore, Nintendo, Sony Playstation games, in Ubuntu PC or laptop. RetroArch is a free open-source cross-platform front-end for emulators, game engines, media players, and other applications. It’s the reference frontend for the libretro API, that offers several uncommon […]
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