To manage files in the OpenStack cloud you need the swift client. This is not so tiny python tool (a lot of dependencies), which offers…
Expand disk and the root partition of the QEMU virtual server
This article is to show how easy is to grow the size of QEMU virtual disk and its partitions (along with ext4 file system). Of…
ansible making a link: error – refusing to convert from file to symlink
A quick notice for your ansible scripts and as a reminder the right syntax for making a link with ansible is: src must be existing…
Online resize of a root ext4 file system – increase the space
Here you can see how to online resize your root ext4 file system. The free space of your partition will be increased after the operation….
zswap – enable – the write back compressed RAM of your swap
Zswap is an interesting way to extend your swap space with a memory write-back cache. Here is our simple explanation: When this feature is enabled…
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…
PHP 7.2 or PHP 7.3 with mcrypt – manual build
Newer PHP versions do not include PHP mcrypt library. The mcrypt module was part of PHP 5 till 7.1, in which it was deprecated and…
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…
CentOS 7 dracut-initqueue timeout and could not boot – warning /dev/disk/by-id/md-uuid- does not exist
Let’s say you update your software raid layout – create, delete or modify your software raid and reboot the system and your server does not…
Make systemd to save logs on the disk
On some Linux distributions, systemd log files are not saved on your disk, but only temporary in the memory and when you reboot all logs…