Create Windows 10 bootable usb from linux (Ubuntu 18.04) 1

Create Windows 10 bootable usb from linux (Ubuntu 18.04)

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HowTo Fix kolab_smtp_access_policy exit status 1 2

HowTo Fix kolab_smtp_access_policy exit status 1

This entry is part 1 of 1 in the series Unfucking Kolab Server

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How to install MacOS Sierra guest on VirtualBox on Ubuntu host 3

How to install MacOS Sierra guest on VirtualBox on Ubuntu host

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Observium - Rename existing devices 4

Observium – Rename existing devices

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Fix nethogs 'creating socket failed while establishing local IP' 5

Fix nethogs ‘creating socket failed while establishing local IP’

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swap file on

Create a permanent swap file equal to RAM bytes

This entry is part 2 of 2 in the series Messing with the Swap

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swap file on

Swap file on! Only when you need it…

This entry is part 1 of 2 in the series Messing with the Swap

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RoundCube Password Plugin for virtualmin 6

RoundCube Password Plugin for virtualmin

Roundcube password plugin for Virutalmin hosting panel is a great feature for your users, if you don’t want them to use Usermin as mail client, and be able to change their password. After long time I decided to research and solve the problem for Roundcube password plugin. At the end of the article you will […]

syslog server

Setup central syslog server on raspberry pi 2 (and other debian based distros)

Central log server using rsyslog is an asset of your sysadmin life! It may get you on the surface on really critical failures when you manage xyz number of servers and some of them go down. In my case raspberry pi 2 with rasbian (debian wheezy for arm processors) does the job very well, without […]

Optimize only fragmented tables in MySQL 7

Optimize only fragmented tables in MySQL

MySQL tables are often fragmented and most of the clients/devs don’t give a f’ about it! They ‘re happy just to blame the sysadmin. So since you’re not a DBA you can’t do magic, but you can optimize these tables for them. For that puprose I use mysqltuner which is written in perl, download it […]