We have a tag troubleshooting. At best, troubleshooting describes a type of activity, though not a very specific one, and not one in which people would be likely to have a particular interest or expertise. At worst, the tag is applicable to every situation where something is not working as expect...

How can I push to Launchpad if port 22 is blocked?? Asked a question about using git, and pushing to Launchpad. I was asked my distribution, I responded "19.10", and asked why that mattered. I did not get an answer, because it obviously does not matter: git -- a static and well established revis...

I'm experiencing with systed timers to launch a service every day at let's say 7am, it works but I cannot ensure that if there is a power loss (the system automatically restart by BIOS), the timer will trigger at boot. 7am is already passed.. I tried with Persistent=true but it only works if 7am ...

My iptables keeps growing... When I do sudo iptables -L | wc -l, it shows a number, if I do it again later that number goes up. It seems to increase by 1 every 2 seconds. I tried to reboot, not changing anything... I'm on Ubuntu 16.04.6 EDIT I did like @Artem mentioned : sudo iptables-save > /...

I am getting random server shutdowns and logs containing unusual values with "^@^@^@^@^@^@^@^@". This might be related to kernel panic but I don't know or just can't debug it. Currently, I don't know how to debug this or what to search for as it seems like that the server just freezes. kern.log J...

I want to create a secure connection between PHP and MYSQL database. In order to do this, i need to store the DB infos in a separated file, with -r-------- permission (readonly for owner). But doing like this, PHP seems impossible to open the file, making impossible the connection. What do i have...

The below script runs on Lock and UnLock. gdbus monitor -y -d org.freedesktop.login1 | grep LockedHint Gives this: /org/freedesktop/login1/session/_32: org.freedesktop.DBus.Properties.PropertiesChanged ('org.freedesktop.login1.Session', {'LockedHint': <true>}, @as []) /org/freedesktop/login1/sess...

The thing is /home has only used 11GB whereas .var uses 14GB, .temp 11GB and .swapfile 2.4GB Can I safely do sudo rm * in the last three directories?

stupid question: If change my de, will that affect my Xorg server settings ? for example, my Xorg server is configured to run on my dedicated gpu (Nvidia Optimus), will that change? If so, how do I prevent that ? I'm currently running POP_OS 20.04. I know this isn't the correct place to post this...

There have been many instances* where I see off-topic close votes on questions that are about upgrading EOL releases to a supported one. According to help center: Questions that you should avoid: Support for versions for Ubuntu releases past their Support or "End of Life" (EOL) — unless the que...