<center>![debian.png](https://cdn.steemitimages.com/DQmSF3Wq9AddzodYTnE3vCowRLBEUSaunZ5P7Po3EfqZDhh/debian.png)
Image source: Willi Glenz - [MyDebianDesktop](https://cdn.steemitimages.com/DQmSF3Wq9AddzodYTnE3vCowRLBEUSaunZ5P7Po3EfqZDhh/debian.png)</center>
```
0055 $ find /home -user userxyz -mtime -3
0054 # less +F /var/log/messages
0053 $ w3m https://www.zabbix.com
0052 # visudo
0051 $ export EDITOR=vim
0049 # netstat -tulpn
0048 $ echo {1..199}" bottles of beer on the wall, cold bottle of beer, take one down, pass it around, one less bottle of beer on the wall,, " | espeak -v english -s 140
0047 $ lsb_release -a
0046 # init 0
0045 $ uname -v
0043 $ ps hax -o user | sort | uniq -c
0041 $ unset HISTFILE
0039 $ echo {001..100}
0035 $ apropos . | shuf -n 1 | awk '{print$1}' | xargs man
0034 # asciiview dummy.png
0031 $ netstat -a | less
0029 $ tar -cvzf ~/backup/backup.tar.gz ~/java
0028 $ find . -name "*.jpg" -exec convert {} -scale 50% +repage {} \;
0025 $ man hier
0023 $ Strg-x e
0022 $ mpg123 -zvC /home/user/music/*
0020 $ du -b --max-depth 1 | sort -nr | perl -pe 's{([0-9]+)}{sprintf "%.1f%s", $1>=2**30? ($1/2**30, "G"): $1>=2**20? ($1/2**20, "M"): $1>=2**10? ($1/2**10, "K"): ($1, "")}e'
0016 $ getconf LONG_BIT
0015 $ history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head
0014 $ mount | column -t
0013 $ python -m SimpleHTTPServer
0011 # ifconfig -a | grep -Po '\b(?!255)(?:\d{1,3}\.){3}(?!255)\d{1,3}\b' | xargs nmap -A -p0-
0008 # raspi-config
0006 $ df -h
0004 $ . ~/.bashrc
0003 $ for x in *; do mv "$x" "${x,,}"; done
```
#### HARDWARE
```
# lshw -short | less
```
#### MONITORING
```
$ w3m https://www.zabbix.com
# tail -f /var/log/messages
# less +F /var/log/messages
$ htop
$ free -h
```
#### NETWORKING
```
$ ssh -X user@192.168.0.12
# vim /etc/ssh/ssh_config
$ mtr --curses google.com
```
***

#### BASH-ABC
<br>[apt](https://linux.die.net/man/8/apt) [apt-get](https://linux.die.net/man/8/apt-get)  [apt-cache](https://linux.die.net/man/8/apt-cache)
```
$ apt-cache show vlc | less
# apt-get install espeak gkrellm powertop aview guake vim taskwarrior mc sudo vym backintime-qt4
# apt-get update && apt-get upgrade && apt-get dist-upgrade
```
<br>[curl](https://linux.die.net/man/1/curl)
```
$ curl rate.sx
$ curl ifconfig.me
$ curl wttr.in/Wasserkuppe?lang=de
$ curl wttr.in/:help
```
<br>[shutdown](https://linux.die.net/man/8/shutdown)
```
# shutdown -r now
# shutdown -c
# shutdown -h 1:00
```
<br>[task](https://linux.die.net/man/1/task)
```
INSTALLATION & CONFIGURATION
$ apt-cache search taskwarrior
$ apt-cache show taskwarrior
# apt-get install taskwarrior
$ vim ~.taskrc

BASIC TASK MANAGEMENT
$ task
$ task add Task1
$ task add Task2
$ task
$ task 1 modify priority:H
$ task 1 modify due:eow
$ task 1 start
$ task 1 stop
$ task 1 information
$ task
$ task 1 done
$ task 2 delete
$ task
$ task burndown
$ alias t='clear; task'
$ alias t1='clear; task burndown.daily'

DOCUMENTATION
$ man task
$ w3m https://taskwarrior.org
$ w3m https://taskwarrior.org/docs
$ w3m https://taskwarrior.org/docs/30second.html
$ w3m https://linux.die.net/man/1/task
```
<br>[vim](https://linux.die.net/man/1/vim)
```
$ vimtutor
$ vim Main.java
```
<br>[w3m](https://linux.die.net/man/1/w3m)
```
$ w3m https://www.zabbix.com
$ w3m https://distrowatch.com/table.php?distribution=debian
$ w3m https://www.debian.org -dump | less
$ w3m https://www.kernel.org
```

<br>

<hr>

### Sources
- [Die.net](https://www.die.net)
- [Commandlinefu.com](https://www.commandlinefu.com)