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January 17, 2019

Redis server with Error registering fd event for the new client: Numerical result out of range

redis

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…

neoX
January 16, 2019

mariadb (MySQL) stopped flushing relay-bin log after mysqld-relay-bin.999999

MySQL

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…

neoX
December 14, 2018

ffmpeg chroot jail from Gentoo linux (ffmpeg 4.1 with gcc 8.2)

ffmpeg, Gentoo

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,…

neoX
November 18, 2018

LSI MegaRAID 2108 freezes with abort command and all processes hang up in disk sleep

LSI, megacli

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…

neoX
November 9, 2018

systemd service freezes in activating (start-post) status – mysqld or other services

commandline, MySQL, software, systemd

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…

neoX
September 30, 2018

Reset lost admin password of Grafana server (CentOS 7)

CentOS 7, grafana

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…

neoX
September 28, 2018

Upgrade self-hosted atlassian bitbucket 4.x to 5.x in CentOS 7

bitbucket, Linux

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…

neoX
September 2, 2018

Delay loading all pages in the Chromium and Google Chrome browsers tabs during start up and save a lot of memory

browsers

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…

neoX
June 26, 2018

Use Intel QuickSync with ffmpeg to have hardware accelerated video decoding and encoding – CentOS 7.4.1708

CentOS 7, ffmpeg

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…

neoX
June 20, 2018

bacula – Device not in SD Device resources or no matching Media Type

bacula, Linux

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…

neoX

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