GeraldS‭

If these requests are logged into a log file you can install fail2ban and configure it to act on these log entries. You can configure it to block the requests via the local firewall for a duration ...

posted 5mo ago by GeraldS‭  ·  edited 5mo ago by GeraldS‭

For a couple of days now I've been trying to edit this answer to include an example that was requested in the comments. Every time I try to edit it I'm presented with this: The expanded answer ...

0 answers  ·  posted 5mo ago by GeraldS‭  ·  edited 5mo ago by ArtOfCode‭

You can use the pre-commit hook for this. Example .git/hooks/pre-commit: #!/usr/bin/bash git fetch if [ $(git status -sb |grep -c behind) -gt 0 ]; then echo "ERROR: local repo is beh...

posted 7mo ago by GeraldS‭  ·  edited 7mo ago by GeraldS‭

You can use openssl to get the information. It is usually installed by default in every distribution. $ openssl s_client -connect codidact.com:443 -showcerts </dev/null | openssl x509 -text de...

posted 6mo ago by GeraldS‭  ·  edited 6mo ago by GeraldS‭

Login screen Check your login screen. Login Managers often give an option to select between different desktop environments. The last used entry is usually highlighted. It is possible that your ...

posted 6mo ago by GeraldS‭  ·  edited 6mo ago by GeraldS‭

If you don't mind installing something I recommend ncdu. It sorts the directories and files by size, you can exclude other mounts, navigate the tree directly and even delete files and folders as yo...

posted 5mo ago by GeraldS‭  ·  edited 5mo ago by GeraldS‭

As a workaround, I had to uninstall pytest from the package manager and install it in the virtual environment. However, I would prefer to use the pytest from the package manager since it makes se...

posted 5mo ago by GeraldS‭

A general overview: Log in as root directly, no sudo or su (you may need to activate it temporarily, depending on your distribution) or boot from a live system unmount /home and mount it somewh...

posted 3mo ago by GeraldS‭

I don't think you can. AFAIK the fn key behaviour is implemented in hardware, the OS is not aware if a key has been pressed with or without fn key. You can check for a BIOS setting, but I've never...

posted 9mo ago by GeraldS‭  ·  edited 9mo ago by GeraldS‭

You can use ExecStartPre= to delay the execution of the systemd unit. Use systemctl edit myunit.service to create a drop in file and add the following lines: [Service] ExecStartPre=/bin/sleep 30...

posted 7mo ago by GeraldS‭  ·  edited 7mo ago by GeraldS‭

Of course, being a swiss army knife ffmpeg already has this capability builtin: ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4:padding=2:color=white" -vsync 0 -frames:v 1 ...

posted 5mo ago by GeraldS‭  ·  edited 4mo ago by GeraldS‭

Can I disable the ability of regular users to enable lingering in loginctl? By default every user on a systemd enabled Linux can run loginctl --enable-linger and have a personal systemd instance s...

1 answer  ·  posted 4mo ago by GeraldS‭  ·  edited 4mo ago by GeraldS‭

You can find that when you run docker inspect $CONTAINER. You can automate this with a simple loop like this: for CONTAINER in $(docker ps -qa); do docker inspect $CONTAINER |grep -q $DIRNAME...

posted 3mo ago by GeraldS‭  ·  edited 3mo ago by GeraldS‭

Some context menus in my KDE installation show the following problem: When the menu is opened it shows normally. But as soon as I move the cursor over the menu, it becomes transparent and whate...

1 answer  ·  posted 3mo ago by GeraldS‭  ·  last activity 3mo ago by GeraldS‭

By default modern Ubuntu versions run the service systemd-timesyncd in the background. It fetches the time at regular intervals and should automatically set your system time when an NTP server is r...

posted 1mo ago by GeraldS‭