Tagged with #linux

15 results found.

• Sander Monday at 10:29 am

  If the Slack instance has lost it's icon in the dock, you might need to correct the casing on the StartupWMClass to lowercase:

  

  #linux

• Sander June 8 at 11:19 am

  Two new system-update versions: 1.3.1 is the latest version, support for more tools and improvements in cleaning up space. #system-update #projects #linux

• Setting Up Zero Configuration Networking with Avahi on OpenSUSE

  Sander March 7 at 12:22 pm

  Setting up Bonjour / Zero configuration networking using #OpenSUSE Tumbleweed is a little bit more involved than with some other #linux distros such as Ubuntu. It consists of setting up the avahi service, followed by configuring the firewall.

  Avahi is a free zero-configuration networking implementation, including a system for multicast DNS and DNS Service Discovery.

  It can be installed and setup as follows:

  sudo zypper install avahi avahi-autoipd libavahi-client3 libavahi-common3
  sudo systemctl start avahi-daemon
  sudo systemctl enable avahi-daemon
  sudo systemctl status avahi-daemon
  

  However I noticed that I still couldn't ping any other devices on the network. This is because the default firewall blocks unconfigured services, which makes sense from a security point of view.

  For this we start Yast Firewall

  YaST Firewall is a configuration tool in openSUSE and SUSE Linux that allows users to manage firewall settings, including opening ports and defining security zones. It has transitioned to using firewalld as the default firewall management system, which provides a more user-friendly interface for configuring network security.

  Step 1: List Networking Interfaces

  To begin configuring your firewall, you first need to identify the network interface you wish to work with. Run the following command in the terminal:

  ip link show
  

  This command will display a list of all available network interfaces on your system. Look for the interface name associated with your active network connection; it may look something like wlp3s0 or eth0. Make a note of the correct interface name, as you’ll need it in the subsequent steps to configure the firewall settings effectively.

  Step 2: Configuring the firewall

  Open YaST Firewall, under Interfaces, click custom, then select a zone such as home if you're on a home network, and under Interfaces: type the networking interface name from step 1. Then check that under the networking zone mdns is listed under the allowed column. Accept the configuration changes.

  You should now be able to ping your other devices!

• Vertical dock on elementaryOS 8

  Sander January 27 at 9:26 am

  I prefer my dock on the left side of the screen and the new elementaryOS 8 Wayland compatible dock's design is to explicitly not support that. This is because the dock is visible in the workspace switcher and allows the user to drag windows to other workspaces using the dock.

  If you're happy to lose that functionality and are using the Classic login session then you can reinstate Plank as follows:

  Disable the Elementary Dock (Correct Way)

  Create a user override:

  cp /etc/xdg/io.elementary.desktop.wm.shell ~/.config/
  

  Edit the file:

  nano ~/.config/io.elementary.desktop.wm.shell
  

  Remove or comment out the dock block:

  [io.elementary.dock]
  launch-on-x=true
  args=io.elementary.dock
  

  Log out and log back in.

  Result: the elementary dock is never started and does not respawn.

  Start Plank

  Use standard XDG autostart. File: ~/.config/autostart/plank.desktop

  [Desktop Entry]
  Type=Application
  Name=Plank
  Exec=plank
  OnlyShowIn=Pantheon;
  X-GNOME-Autostart-enabled=true
  

  (Optional) Add a small delay if you ever see geometry issues:

  Exec=sh -c "sleep 2 && plank"
  

  Verification

  pgrep -a io.elementary.dock   # should produce no output
  pgrep -a plank               # should be running
  

  #linux #elementaryOS

• Sander January 19 at 4:46 pm

  I'm testing a fully local, Linux-native meeting minutes pipeline that replaces tools like AI meeting notetakers with a privacy-preserving, scriptable workflow. Unlike some other options the control is with the user and no information leaves the local machine. #linux

• ElementaryOS 7 to 8 upgrade notes

  Sander September 19, 2025 at 12:59 pm

  Although it's not supported I used this guide to semi automatically upgrade my daily driver.

  You'll want to create a restore point with Timeshift, and ideally a system image using CloneZilla, because stuff is likely to break. I also backup my home directory with Back In Time and have a sync app for certain files within that.

  I first created two Virtual Machines for eOS7 and eOS8 and then compared the eOS7 system after it was upgraded to 8 with a vanilla eOS8 setup, before I was confident enough to go ahead.

  Apt sources compatibility

  The main culprit as usual were third-party apt sources. In particular, if you have this hardware, I recommend to remove the AMD GPU drivers completely and reinstall them after the upgrade, to avoid kernel compilation issues.

  Applications

  I also lost a few applications (HeyNote and Albert), but their preferences were still there so simply reinstalling them made them work again.

  Heynote's AppImage would no longer start:

  ./Heynote.AppImage                                                                                     [35483:0919/135315.749882:FATAL:sandbox/linux/suid/client/setuid_sandbox_host.cc:169] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /tmp/.mount_Heynot9r0j9T/chrome-sandbox is owned by root and has mode 4755

  I fixed this by installing the HeyNote snap version.

  Albert could not be found (not sure why but the executable was no longer on the system) and I installed the OBS version from their website which setup a new apt sources file.

  backintime-qt was gone, a simple apt install restored it.

  Other issues

  My custom keyboard shortcuts are still running but they are no longer visible. I have a bunch migrated over from /org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1-custom7 but they are not showing in the Custom shortcut settings anytime, as these are now stored at /io/elementary/settings-daemon/applications/application-shortcuts. It's possible to dump them by restoring the dconf database to a test-user and then using dconf dump with some parameters.

  I use an app called Input Remapper to map my option and command keys (long story) and this stopped working after the upgrade, despite the app saying the mapping is in effect. I'll try and recreate it and see if there's an update for it.

  That's it, relatively smooth for an unsupported setup.

  #linux #elementary

• Additional housekeeping routine prior to upgrading Ubuntu server

  Sander February 27, 2025 at 9:18 am

  I upgraded one of my personal Ubuntu servers yesterday and with the knowledge of a good daily backup I knew I didn't have to prepare and see what I would encounter. This particular server has upgraded twice before, so has some custom and legacy configuration. After the third try I was successful and I wanted to share the following tips that helped me smooth out the upgrade process.

  Clean up apt sources

  The upgrade process will disable all third-party sources from your system to avoid complications updating system software, so it is helpful to be able to list all disabled sources. To aid in this I found it helpful to clear out the apt sources files before the upgrade my self.

  In particular, in preparation of the upgrade, I removed .distUpgrade and .save files created by previous upgrades. I then removed all commented lines from the remaining source files starting with # deb, then deleted any 0 byte files which have no content: find . -type f -size 0c -delete.

  This made it obvious what files had changed and what those changes are, that I needed to review. Typically by running find . -name "*.list" -exec sed -i 's/jammy/noble/g' {} \; after the upgrade was complete.

  Update custom apt sources / PPAs before upgrading

  It turns out I had Nginx and MariaDB installed pinned to a particular version that was no longer supported on the target Ubuntu Server version, this caused one upgrade to install the system versions which were incompatible with my configuration. On a second go, I first upgraded the software to the latest supported version for my legacy Ubuntu version, which updated the apt sources to something that was better supported.

  Set DNS servers

  Somewhere Ubuntu switched to systemd DNS management and I hadn't run sudo nano /etc/systemd/resolved.conf and set a DNS server, resulting in not being able to resolve any domains after the upgrade. I was able to set and verify the ResolveD configuration before the upgrade as the system service was already installed. After this, I encountered no issues.

  #linux #ubuntu

• Wine32 on elementaryOS 7 or Ubuntu 22.04

  Sander August 23, 2024 at 10:29 am

  x86 games, like Championship Manager 01/02, might not install on this OS which cannot install wine32 due to system conflicts. This means apps like Bottles (Wine wrapper) cannot select a working Wine version.

  To get around this, install the PlayOnLinux flatpak, which has an option to change the current Wine version. This will let you pick x86 versions, which install wine32 inside the flatpak. After which the installer will run.

  If you get prompted to insert the CD use this trick to copy the the files into a virtual CDROM

  #gaming #cm0102 #linux

• Sander June 14, 2024 at 1:18 pm

  energy saving #linux style:

  $ sudo crontab -l
  0 1 * * * shutdown -P

• Sander March 13, 2024 at 12:37 pm

  Tried 1Password for SSH keys and Git management (keys in 1Password, authentication via agent + desktop prompt before access, and 1Password must be running) and not a fan of more red tape around the SSH keys. Non-interactive processes just fail to use the key first-time round, so I ended up having to commonly do operations twice. Easy restore from a BackInTime backup. #security #linux