If you’re working with legacy BIOS systems and MBR partition tables, Fedora’s installer can sometimes misdetect your firmware mode and attempt UEFI/GPT setup on hardware that only supports legacy BIOS. This guide covers the proper approach for Fedora 39+ on MBR systems. Prerequisites Before starting, verify your system configuration: Boot the installer in legacy BIOS…
Fedora upgrades are straightforward with dnf system-upgrade, the standard tool for network-based distribution upgrades. This replaces the older fedup tool and handles everything from downloading packages to managing the upgrade environment. Pre-Upgrade Checklist Before starting any upgrade: Update your current system: sudo dnf upgrade Back up critical data — especially /etc, home directories, and application…
Fedora uses FirewallD as its default firewall management service. If you’re running servers in a trusted internal cluster or isolated environment where network-level filtering isn’t needed, you can disable it entirely. Stop and Disable FirewallD To completely disable the firewall: sudo systemctl stop firewalld sudo systemctl disable firewalld The stop command halts the service immediately….
Thunderbird stores message filters in per-account configuration files, making it inconvenient to replicate filters across multiple accounts or installations. Rather than recreating filters manually, you can copy filter files directly or use symbolic links to keep filters synchronized. Where Thunderbird Stores Filters Thunderbird saves filter rules in msgFilterRules.dat, a plain text configuration file. Each account…
When you run crontab -e, git commit, visudo, or similar commands, Linux applications need to know which text editor to launch. This is controlled by environment variables and system configuration, with several methods available depending on your needs. Understanding EDITOR and VISUAL The EDITOR environment variable tells applications which text editor to use. A related…
The built-in Print Screen workflow is cumbersome — capture, open Paint, paste, crop, save. There are better approaches depending on your needs. Snipping Tool and Snip & Sketch On Windows 7, the Snipping Tool is available through the Start menu. Press the Windows key, type “snipping tool”, and launch it. You get basic capture modes:…
The TP-Link TL-WN725N v2 uses the Realtek RTL8188EU chipset. While kernel support has improved significantly, you may still need to compile drivers manually on recent Fedora releases. Check current driver status First, verify whether your adapter is recognized: lsusb | grep -i realtek If nothing appears, the driver isn’t loaded. Check if the kernel module…
The default GNOME Settings application doesn’t expose font configuration options. You’ll need additional tools to customize system fonts, but you have several approaches depending on your GNOME version and preferences. Using GNOME Tweaks GNOME Tweaks (formerly gnome-tweak-tool) is the recommended graphical approach for font customization. Installation On Fedora/RHEL: sudo dnf install gnome-tweaks On Ubuntu/Debian: sudo…
By default, WordPress contributors can submit and edit their own posts, but they can’t upload media files. If you want contributors to attach images or documents to their submissions, you’ll need to grant them the upload capability. Method 1: Using User Role Editor Plugin The User Role Editor plugin is the most straightforward approach for…
GNOME 3 removed the GUI option for customizing window title fonts that existed in earlier versions. The setting is still configurable, but you’ll need to access it through command-line tools or configuration editors. Using gsettings (Command Line) The simplest approach is gsettings, which directly modifies the configuration: gsettings set org.gnome.desktop.wm.preferences titlebar-font ‘Sans Bold 10’ To…
Vim’s default OCaml indentation is limited and doesn’t handle the language’s syntax well. You’ll want to use ocp-indent, a dedicated indentation tool built specifically for OCaml that understands the language’s scoping and structure rules. Installing ocp-indent First, install the tool via OPAM (OCaml Package Manager): opam install ocp-indent If you don’t have OPAM installed, install…
By default, ibus isn’t automatically started on Fedora with Cinnamon. You might try launching the daemon manually: ibus-daemon This starts the ibus service and adds an icon to your system tray, but you’ll find that Chinese input doesn’t work even when enabled through the tray icon. The missing piece is integration with Cinnamon’s input method…
LightDM is a lighter alternative to GDM (GNOME Display Manager). If GDM is causing issues, you prefer a simpler login screen, or you’re running a lightweight desktop environment, here’s how to switch to LightDM on Fedora. Install LightDM sudo dnf install lightdm lightdm-gtk-greeter The lightdm-gtk-greeter provides the graphical login screen. Other greeter options include: lightdm-gtk-greeter…
Cinnamon is a modern, feature-rich desktop environment forked from GNOME. It’s lightweight compared to full GNOME installations and offers a traditional taskbar-based interface. Installing it on Fedora is straightforward. Basic Installation Use dnf (the modern package manager) with group install: sudo dnf groupinstall ‘Cinnamon Desktop’ This installs the complete Cinnamon desktop environment along with necessary…
Setting environment variables in Bash is one of the most fundamental skills for working with Linux command lines and shell scripts. Bash provides several ways to define and manage variables. Setting a Variable for the Current Shell MY_VAR=”hello world” Important: No spaces around the = sign. MY_VAR = “value” will produce an error because Bash…
[md] Use setenv to set an environment variable in csh: setenv VARIABLE value Replace VARIABLE with the name of the variable and value with its value. The variable is immediately available in the current shell and inherited by child processes. ## Examples Set a simple variable: setenv PATH /usr/local/bin:/usr/bin:/bin setenv EDITOR vim setenv JAVA_HOME /usr/lib/jvm/java-17-openjdk…
You can delete cookies from individual sites without clearing your entire browser cache. Here’s how: Via Settings UI Open chrome://settings/privacy in the address bar (or go to Settings > Privacy and security) Click Cookies and other site data Click All cookies and site data Use the search box to find the domain you want to…
Installing WordPress in a subdirectory keeps your site root cleaner and makes it easier to manage core files separately from content. Here’s how to configure WordPress so the admin and core files live in /wordpress while the site appears at your domain root. Creating the Subdirectory Structure First, create the WordPress directory and set proper…
PuTTY stores session configurations in the Windows Registry. If you’re migrating to a new computer, setting up multiple workstations, or just want a backup, here’s how to export and backup your PuTTY sessions. Export from Windows Registry PuTTY sessions are stored at HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions. Export them using regedit or the command line: # Export all PuTTY…
[md] When you install Core via opam, the interface files (.mli) are stored in your OPAM switch directory. The exact path depends on your OCaml version and OPAM setup. ## Standard Location The .mli files for Core are located at: ~/.opam/$(ocaml -version | awk ‘{print $NF}’)/lib/core/ where the OCaml version is part of the switch…