We have master slave setup with redis servers and after some time the master server began to refuse connections with Error: Connection reset by peer…
software
mariadb (MySQL) stopped flushing relay-bin log after mysqld-relay-bin.999999
We have a pretty big MariaDB master-slave setup, which is really under heavy load and suddenly one of our slaves stopped purging relay logs! And…
ffmpeg chroot jail from Gentoo linux (ffmpeg 4.1 with gcc 8.2)
Here we build a Gentoo ssh chroot jail. You may need this because you want the bleeding edge versions of the video libraries like x264,…
LSI MegaRAID 2108 freezes with abort command and all processes hang up in disk sleep
It happened to one of our old LSI MegaRAID 2108 controllers (AOC-USAS2LP-H8iR (smc2108) with 36 disk, 32x2T and 4x8T) to freeze and most of the…
systemd service freezes in activating (start-post) status – mysqld or other services
We’ve experienced this with the MySQL server under CentOS 7, but you can have this state with other services! After updating our MySQL we tried…
Reset lost admin password of Grafana server (CentOS 7)
It could happen to lose your Grafana admin password and luckily there is a pretty easy way for the system administrator of the Grafana server…
Upgrade self-hosted atlassian bitbucket 4.x to 5.x in CentOS 7
Here we are going to show you a real example of how we upgraded out Atlassian Bitbucket server from 4.14.4 (around April 2017 installation) with…
Delay loading all pages in the Chromium and Google Chrome browsers tabs during start up and save a lot of memory
Recently we noticed our Chromium began to behavior really strange (we noticed it from Chromium version 69). When starting the Chromium browser the system tended…
Use Intel QuickSync with ffmpeg to have hardware accelerated video decoding and encoding – CentOS 7.4.1708
This howto shows how you can use ffmpeg to hardware accelerate the video decoding and encoding if you have the proper Intel processor. Some of…
bacula – Device not in SD Device resources or no matching Media Type
If you happen to have such error in your bacula backup server: First thing to check is the status of Storage Devices you have with…