Dron's thoughts attic

Calendar, CallDav, CardDav etc

GIT, SVN

Apache, nginx, etc, optimizations

MySQL, MariaDB

Memcache

Redis

Samba

SD_Plus

Let's Encrypt

Email

Nmap

Squid

GPG

IPMI iDRAC iLO

Networking

DNS

Grunt, Gulp, and other building tools

Hosting panles

FS tricks

Expect

ImageMagick

Word, Excel and other MS

Moodle

Zabbix

Programming

H A С K

https://www.digitalocean.com/community/tutorials/how-to-manage-etc-with-version-control-using-etckeeper-on-centos-7

https://www.webhostface.com/kb/knowledgebase/examples-using-wget/

https://stackoverflow.com/questions/17998978/removing-colors-from-output

https://unix.stackexchange.com/questions/162607/date-command-going-back-one-or-two-days-seeing-different-flags