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Check in for a recap of Linux app releases in September 2025, including updates to gThumb, Apostrophe, Rio Term, MPD Client Euphonica and more!

You're reading Linux App Release Roundup (September 2025), a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.

The DistroWatch news feed is brought to you by TUXEDO COMPUTERS. Simon Long has announced the release of a major new update of Raspberry Pi OS, a Debian-based Linux distribution designed specifically for the Raspberry Pi range os single-board computers. This is the project's first release based on Debian 13; it introduces a new theme and a new control....

Linux Mint users can expect an easier time switching between keyboard layouts and input methods in the next version of the GTK-based Cinnamon desktop.

You're reading Linux Mint Improves Keyboard and Input Switching for Cinnamon, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.

If you see the "unable to capture a screenshot, all possible methods failed" error when using GNOME Screenshot in Ubuntu, it is not a bug – but by design.

You're reading Why the (Old) GNOME Screenshot App Doesn’t Work in GNOME 49, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.

A new version of the Raspberry Pi Imager, a cross-platform and open source Qt-based image flashing tool is available for testing — with a BRAND NEW look.

You're reading Raspberry Pi Imager 2.0 Enters Testing with a Brand New Look, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.

Ubuntu 25.10 no longer includes the “Startup Applications” utility! Here’s a beginner guide shows how to run apps, custom scripts or commands automatically at login through alternative methods.

Ubuntu has a “Startup Applications” tool, allowing to easily add, remove, and edit items that run at user login. Due to upstream (meaning GNOME) changes, it has finally been dropped in 25.10.

The new way to auto start apps, is using GNOME Control Center (aka Settings) by navigating to ‘Apps’ setting page, choose an app, and turn on the “Autostart” toggle switch. While, Gnome Tweaks also provides similar function to do the job.

But, what if you want to auto-start app with custom options, or auto-run custom commands/scripts at login?

Here are 2 alternatives to do the job:

• Add startup app manually using .desktop configuration file.
• Use a third-party graphical configuration tool.

Option 1: Use .desktop configuration file

As you may know, all the app icons you see in Gnome app grid, dock, or other app launchers in most popular Linux distributions are handled by .desktop files under /usr/share/applications, .local/share/applications, etc directories.

Similarly, auto-start apps are handled by the .desktop files under either /etc/xdg/autostart or .config/autostart directories.

And, when you turn on “Autostart” toggle switch for an application in Settings (Gnome Control Center), it will automatically create a file under .config/autostart linked to the .desktop file for that app icon.

If you want to auto-run custom commands or scripts at login, then just create .desktop files in that directory with following steps.

NOTE: for those hate Linux commands, open file manager and press Ctrl+H to show hidden files/folders, then do following steps accordingly.

1. Create the directory. The ~/.config/autostart directory does not exist out-of-the-box. You may either enable an auto-start app via Settings to auto-create it, or open terminal (Ctrl+Alt+T) and run command below to create:

mkdir -p ~/.config/autostart

2. Create & edit custom .desktop file. Next, run command to create a .desktop file, “firefox-private.desktop” for example, and edit via nano command line text editor:

nano ~/.config/autostart/firefox-private.desktop

When file opens, write following content and edit accordingly:

[Desktop Entry]
Type=Application
Exec=sh -c "sleep 30; firefox --private-window https://www.google.com"
Hidden=false
Name=Firefox Private Mode
Comment=Open google.com automatically in Firefox private window.

In the case, it will auto-launch Firefox in private mode and open Google.com automatically, with 30 seconds delay after login.

According what you want to run, you need to replace the command for “Exec“, and edit the ‘Name’ and ‘Comment’ as you want. For example, use:

• Exec=/home/ji/Documents/myscript to run my script under user Documents directory.
• Exec=sh -c "$HOME/Documents/myscript" to run the same script, but here “sh -c” command interpreter is required so it knows what is $HOME.
• Exec=update-manager --install-all to auto-launch Software Updater and install all available updates.

Tips:

• It’s better to first run the custom command or script in terminal to make sure it works.
• The X-GNOME-Autostart-Delay parameter does not work in Wayland, use sleep in command to add time delay in seconds.
• You may change Hidden=false to Hidden=true to disable that .desktop file, just like it’s deleted.
• Add Terminal=true if the command need to run in a terminal.
• For more about the desktop entry keys, see the doc in freedesktop.org.

After created and edited the file, press Ctrl+S to save and Ctrl+X to exit, and verify if it works by logging out and back in.

Option 2: Use a third-party graphical application

To make things simple, there are few third-party graphical tools can do the job managing startup apps and scripts.

As far as I know, the free open-source Ignition tool is a good choice which provides a simple and modern user interface to add, remove, and modify startup entries.

As you see in the screenshot, it provides a GTK4 and LibAdwaita interface, with ability to manage system startup entries (usually the .desktop files in /etc/xdg/autostart) that works for all users.

As well, it allows to add any installed apps (with custom options and time delay), custom command or script as auto-start items, by automatically creating .desktop files in user’s .config/autostart directory. Meaning they work for current user only.

Install Ignition

Besides building from the source, the app is available to install in most Linux through Flatpak package, which runs in sandbox environment.

For Debian, Ubuntu, and their based systems, run 2 commands below one by one to install the package:

• First, open terminal (Ctrl+Alt+T) and enable Flatpak support by installing the daemon package:

  sudo apt install flatpak

• Next, install the app package by running command:

  flatpak install https://dl.flathub.org/repo/appstream/io.github.flattool.Ignition.flatpakref

  Tips: You may run command as sudo (add sudo at beginning) to fix installing issue in Ubuntu 25.10.

  

After installed the package, either search for and launch it from Gnome Overview (log out and back in if app icon is not visible), or run command below to start from terminal:

flatpak run io.github.flattool.Ignition

Uninstall Ignition

If the app does not work good for you, run the command below to uninstall it:

flatpak uninstall --delete-data io.github.flattool.Ignition

Also run flatpak uninstall --unused to remove useless runtime libraries.

NOTE that uninstall the app won’t delete the auto-start entries created by it.

For Linux users with NVIDIA graphics card, the new 580 production branch driver got a new update few days ago!

It’s NVIDIA 580.95.05, the third stable release in this driver series. Like the last one, it introduced only one but important new feature, and fixed few bugs.

The new driver version added YCbCr 4:2:2 display modes support. Like RGB and CMYK, it’s a family of color spaces designed for brandwidth reduction and efficient video and image compression.

YCbCr 4:2:2 uses chroma subsampling technique to save file size by capturing less color data. It’s useful to meet the bandwidth demands of high resolution (e.g, 4K) games or videos at high-frame-rate (e.g., 120Hz), though it causes image quality reduction, such as blurry or fuzzy text.

The feature requires Fixed Rate Link (FRL) signaling technology (meaning display connected with HDMI 2.1), and Blackwell or later GPU, such as RTX 50 series, B100, B200, B300 …

Besides that, the new driver fixed interactive object outline rendering issue in Indiana Jones and the Great Circle game, and few other issues.

Compare to the previous NVIDIA 575 driver, there’re also Smooth Motion frame generation support for RTX 40 series GPU introduced by 580.82.07 for better gaming performance, and RMIntrLockingMode enabed by default that can help reduce stutter especially when using virtual reality (VR).

Other changes in NVIDIA 580 series driver include:

• Add fifo-v1 protocol support when using Vulkan backend in Wayland, reducing visual inconsistencies and potential stuttering.
• New MetaMode attribute to control the number of bits per color component transmitted via a display connector.
• Bigscreen Beyond Head Mounted Displays compatibility.
• Feature to reduce time spent in the interrupt top half for low latency display interrupts by deferring the work until later.

And, more. See HERE, HERE, and HERE for details.

How to Install NVIDIA 580.95.05 in Ubuntu

Ubuntu has already made the NVIDIA 580 driver into system repositories, which is however NVIDIA 580.65.06 so far for current two 22.04 and 24.04 LTS (check this page).

If you can wait for the official package from Ubuntu, then try adding either the “Canonical Kernel Team” team PPA or “Graphics Drivers” team PPA (long-standing PPA), then use Additional Drivers utility to install, both of which are maintained by Ubuntu members.

Back in January 2014, I ordered my first Raspberry Pi (Model B revision 2).

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The post 20 Essential SSH Configurations and Security Tips for Linux first appeared on Tecmint: Linux Howtos, Tutorials & Guides .

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