There were so many times when I had to search for hours for a solution that looked trivial in the end when I found it explained by some stranger on a blog or forum. There are cases when after reading manuals, documents and forums there is still no clear solution and then I wish someone… Read More »
As you maybe discovered there is no rpm build support from the Signal team. Yes you can compile your own version and then do that for every new release but if you are lazy like me and nor an international wanted person (like Assange) there is a simpler version to do it. Here comes the… Read More »
SSL connection failure: A packet with illegal or unsupported version was received.
Another post that focuses on some smart one liners in Linux. Who is using my port ? ss is the new replacement for netstat. Same parameters can be used but gives more information.
I got better feedback than from any other consultants team I worked with. Believe me I had my share, from all the big consultancy companies 🙂 To have a good work from home environment (and we all know we need it in 2020) you need to follow some simple rules. Get a good team of… Read More »
A simple one liner to kill all the processes having the same name or token in the name (myprocess): kill -9 $(ps aux | grep myprocess | awk ‘{print $2}’) This is a very effective way of cleaning up stuck processes that were spawned by some gone wrong software.
The bash one liner of the day is to find and kill a Java process using one liner. In my case I have a Jboss application server domain that is stuck. By using jps command that displays only the running Java processes is a no brainer to kill the process by using a token that… Read More »
Moving to a new place has its advantages and disadvantage. If you are a geek, obviously you need to make a new home for your IT infrastructure 🙂 The advantage of a new location is that you get to have fun again in setting up a new mini data center. Due to some restrictions (do… Read More »
Starting from openssh 7.8 the default format for private keys has changed from PEM to OpenSSH: That means that private keys generated with the referenced command: (ssh-keygen -t rsa -b 4096) are no longer generated as PEM format. Lot’s of online services do not accept this format yet CircleCI, GitHub are some of the services… Read More »
Systemd doesn’t completely control whether core dumps are made or not. It mainly determine where such dumps go, and whether they should take up space or not. It may prevent some user space core dumps, but not all. With “Storage=none”, they can still occur and are registered by journald, but they don’t take up disk… Read More »