Preparing the preseed for unattended installation sometimes could be challenging. This article presents the right way to analyze an installation failure in one of the…
Ubuntu
Save iptables rules over reboots on Ubuntu 16 and Ubuntu 18 – persistent iptables rules
Moving towards the firewalld software and especially the systemd some good old init scripts got missing! For example, one of those good scripts is the…
Ubuntu with PHP 7.2 and mcrypt module
As mentioned in our previous article PHP 7.2 or PHP 7.3 with mcrypt – manual build the PHP versions 7.2 and 7.3 do not include…
Ubuntu apt – InRelease is not valid yet (invalid for another 151d 18h 5min 59s)
Invalid time could cause your server (or probably your virtual server or docker instance) to be unable to use Ubuntu’s packaging system apt. It is…
pycurl.h: fatal error: openssl/ssl.h: No such file or directory
If you encounter this error trying to install a pip module or compile a program under the console you surely miss OpenSSL development packages! pip…
Ubuntu AttributeError: ‘module’ object has no attribute ‘SSL_ST_INIT’
If you install libraries with pip command you might find yourself in the following situation:
New Redis server (4.0.9) in Ubuntu 16.04 LTS
One of our critical service was under Ubuntu 16.04 LTS (and is scheduled for update, but this a another story!) and how it always happens…
apt-mark – upgrade with the exception of certain packages
If you are in a situation when you want to upgrade your system, but do not want to upgrade a certain software in it you…
Rebuild the official Ubuntu kernel – Ubuntu 16.04 LTS
There are multiple reasons to rebuild the official kernel of a Linux distro but this is not the purpose of this article just cannot miss…
List all kernels available to install under Ubuntu
Here is the fast command to see which Linux kernels are available to install from the Ubuntu package management system: Always update to download the…