<center><h3>LINUXOPOLIS</h3><b>Building a Linux Habitat<br>willi glenz @ <a href="t.me/wglenz">telegram</a><br><a href="https://steempeak.com/@wglenz">Published with SteemPeak</a><br>[home](https://steempeak.com/@wglenz) ~ [previous](https://steempeak.com/linux/@wglenz/linuxopolis-13-january-2020-summary)</b></center>
<center></center>
<center><h4>UPDATES</h4></center>
```
disk-management ............................................................. update 2020-01-17
dns ......................................................................... update 2020-01-16
oneliner .................................................................... update 2020-01-15
apt ............................................................................ new 2020-01-14
system-update history debian .......................................................... 2020-01
ramdisk ntp monitoring host-configuration vim-cheatsheet user-management networking ... 2020-01
i3 wm tasks check shortcuts ide arp system-editor sources packages tmux ............... 2019-12
apache fzf baseline host python pycharm swap glances veracrypt cpu .................... 2019-12
flatpak logging docker ................................................................ 2019-11
snap tiddlywiki raspi fail2ban tails firefox weather firmware ufw ..................... 2019-11
vim prompt aliases howto container languages taskwarior inxi git fish bash ............... 2019
systemrescuecd snippets screen neofetch ranger hardening html java tutorials arch ........ 2019
```
|||||
|:---|:---|:---|:---|
|||**2020**||
|**28**|**disks**|<b>[disk-management](https://steempeak.com/linux/@wglenz/linuxopolis-17-january-2020-disk-management) [veracrypt](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-02-veracrypt)</b> gnome-disks fdisk cfdisk hwinfo lshw dd df du mount umount badblocks baobab blkid lsblk mkfs.vfat parted pwd smartctl sync tune2fs|**2020-01**|
|**27**|**distros**|<b>[systemrescuecd](https://steempeak.com/linux/@wglenz/linuxopolis-systemrescuecd-2) [arch](https://steempeak.com/linux/@wglenz/7kwf19-linuxopolis-2019-08-16-arch-linux) [tails](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-22-tails)</b> mx-linux|**2020-01**|
|**26**|**network**|<b>[dns](https://steempeak.com/linux/@wglenz/linuxopolis-16-january-2020-dns) [networking](https://steempeak.com/linux/@wglenz/linuxopolis-2-january-2020-networking) [arp](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-24-arp) [ntp](https://steempeak.com/linux/@wglenz/linuxopolis-08-january-2020-ntp)</b> fping mtr netstat nmap ping rsync speedtest|**2020-01**|
|**25**|**bash**|<b>[oneliner](https://steempeak.com/linux/@wglenz/linuxopolis-15-january-2020-one-liner) [bash](https://steempeak.com/linux/@wglenz/linuxopolis-2019-10-27-bash) [aliases](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-15-aliases)</b> alias printenv shellcheck unalias|**2020-01**|
|**24**|**cli**|<b>[fish](https://steempeak.com/linux/@wglenz/linuxopolis-2019-09-23-fish) [shortcuts](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-26-shortcuts)</b> zsh gnome-terminal awk echo exit expr terminator|**2020-01**|
|**23**|**packages**|<b>[apt](https://steempeak.com/linux/@wglenz/linuxopolis-14-january-2020-apt) [packages](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-20-packages) [flatpak](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-27-flatpak)</b> dpkg dpkg-reconfigure tasksel|**2020-01**|
|**22**|**languages**|<b>[languages](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-12-languages) [java](https://steempeak.com/java/@wglenz/3cfe1n-linuxopolis-2019-08-19-java)</b> locales|**2020-01**|
|**21**|**debian**|<b>[debian](https://steempeak.com/linux/@wglenz/linuxopolis-10-january-2020-debian) [system-update](https://steempeak.com/linux/@wglenz/linuxopolis-12-january-2020-system-update)</b>|**2020-01**|
|**20**|**directory**|cd popd pushd tree|**2020-01**|
|**19**|**memory**|<b>[ramdisk](https://steempeak.com/linux/@wglenz/linuxopolis-09-january-2019-ramdisk)</b> demidecode free vmstat|**2020-01**|
|**18**|**tutorials**|<b>[tutorials](https://steempeak.com/linux/@wglenz/6qoxdp-linuxopolis-2019-08-18-tutorials-data-science-and-dhcp)</b>|**2020-01**|
|**17**|**server**|<b>[apache](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-16-apache) [docker](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-01-docker) [hardening](https://steempeak.com/linux/@wglenz/5tjkks-linuxopolis-2019-08-23-hardening)</b> ssh virtualbox|**2020-01**|
|**16**|**monitoring**|sntop tuptime <b>[check](https://steempeak.com/linux/@wglenz/k3ijm-linuxopolis-2019-08-17-check-sh) [glances](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-30)</b> snort watch uptime bmon dmesg ntopng vnstat zabbix|**2020-01**|
|**15**|**host**|<b>[host-configuration](https://steempeak.com/linux/@wglenz/linuxopolis-06-january-2020-host-configuration) [host](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-10-host) [inxi](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-07-inxi) [neofetch](https://steempeak.com/linux/@wglenz/7ev3ua-linuxopolis-neofetch)</b> chkrootkit unattended-updates hostname ip cal ncal|**2020-01**|
|**14**|**editor**|<b>[cheatsheet](https://steempeak.com/linux/@wglenz/linuxopolis-05-january-2020-vim-cheat-sheet) [vim](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-18-vim) [system-editor](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-22-system-editor)</b>|**2020-01**|
|**13**|**user**|<b>[user-management](https://steempeak.com/linux/@wglenz/linuxopolis-03-january-2020-user-management)</b> diceware groups id last login pwgen sudo vigr vipw visudo whoami <b>[firefox](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-21-firefox) [tasks](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-29-tasks) [taskwarrior](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-08-taskwarrior) [weather](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-21-howto-weather-and-update)</b> date ulauncher vit wall|**2020-01**|
|||**2019**||
|**12**|**wm**|<b>[i3wm](https://steempeak.com/linux/@wglenz/linuxopolis-31-december-2019-i3)</b>|**2019-12**|
|**11**|**security**|<b>[fail2ban](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-23-fail2ban) [ufw](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-20-ufw)</b> ipfire ipcop iptables rkhunter wireshark||
|**10**|**python**|<b>[python](https://steempeak.com/python/@wglenz/linuxopolis-2019-12-08-python) [pycharm](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-05-pycharm) [ide](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-25-ides) </b> anaconda-navigator||
|**09**|**wiki**|<b>[tiddlywiki](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-26-tiddlywiki)</b>||
|**08**|**tmux**|<b>[cheatsheet](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-19-tmux-cheat-sheet)</b>||
|**07**|**ranger**|<b>[ranger](https://steempeak.com/linux/@wglenz/4tkeeb-linuxopolis-2019-08-24-ranger)</b>||
|**06**|**multimedia**|cmus mpg123||
|**05**|**files**|<b>[container](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-14-howto) [fzf](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-13-fzf) [git](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-01-git)</b><br>stat cat chown chmod cp curl file find grep head less ls ln md5sum mkdir mv ncdu rev rm rmdir sort tail tar touch tree type uniq whereis wc which||
|**04**|**usb**|lsusb etcher||
|**03**|**i/o**|<b>[baseline](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-12-baseline)</b>||
|**02**|**processes**|lsof journalctl atop ctrl-z jobs bg fg htop kill killall pgrep pkill ps pstree renice top||
|**01**|**hardware**|<b>[raspi](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-24-raspberry-pi)</b>| |
|**00**|**sources**|<b>[sources](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-21-sources) [howto](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-24-editor) [html](https://steempeak.com/linux/@wglenz/3vv6gc-linuxopolis-2019-08-21-html) [logging](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-27-logging) [prompt](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-16-prompt) [screen](https://steempeak.com/linux/@wglenz/4wusn8-linuxopolis-screen) [snap](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-25-snap) [swap](https://steempeak.com/linux/@wglenz/linuxopolis-2019-12-04-swap) [snippets](https://steempeak.com/python/@wglenz/linuxopolis-snippets-2) [update](https://steempeak.com/linux/@wglenz/linuxopolis-2019-11-21-howto-weather-and-update)</b> lnav logcheck pandoc r||
<center><h4>HISTORY</h4></center>
```
$ vim ~/.bash_history
grub # grub-install
apt # apt install supertuxkart
lsof # lsof -u user | fzf
tuptime $ watch tuptime
ntpq $ watch ntpq -p
/dev/null $ cat /dev/null > file.txt
/etc/passwd $ cat /etc/passwd | cut -d: -f7 | sort | uniq -c | sort -nr
/etc/shells $ cat /etc/shells
/proc/interrupts $ watch -d cat /proc/interrupts // interrupts
/proc/ioports # cat /proc/ioports | less // ioports
alias $ alias ea='vim ~/.bash_aliases && source ~/.bash_aliases'
apt # apt install supertuxkart
arp-scan # arp-scan --localnet | vim -
cat $ cat > text.txt <<HERE
cups # nc -z 127.0.0.1 631 && echo ok || echo failed
curl $ curl cheat.sh/:list | less
curl $ curl wttr.in
echo $ echo "It is now $(date +%T) on $(date +%A)"
efibootmgr # efibootmgr
find # find / -size +4G 2> /dev/null | vim -
find # find / -uid 1000 -exec chown -v 1002:1002 {} \;
find # find / -user userxyz -type f -exec rm -f {} \;
find # find /home -user userxyz -mtime -3
find # find /home -user userxyz -size +1G
find # find ~/Documents -type f -name "*.py" -print | tee ~/python_files.txt
find $ find -size +100M | less
find $ find -size +1G | less
find $ find . -name "*.jpg" -exec convert {} -scale 50% +repage {} \;
find $ find /etc -type f -print 2> /dev/null | less
find $ find /etc/*tab -type f -print
find $ find ~ -maxdepth 1 -type f -exec grep "^alias " '{}' \; -print
find $ find ~ -maxdepth 1 -type f -mtime 3
firmware # ls /sys/firmware/efi
free # watch free -h
grub # grub-install
history $ history search --contains 'vim'
history $ history | fzf
lsof # lsof -u user | fzf
lsof # lsof -u user | vim -
lspci $ clear; lspci; echo; lspci -t; echo // pci
lsusb $ clear; lsusb; echo; lsusb -t; echo // usb
mail $ watch mail
memtester # memtester 7G
mkdir # mkdir -p /mnt/ram; mount -t tmpfs tmpfs /mnt/ram -o size=8192M
mkdir $ mkdir -p Backups/{Sales,Development,HR}/{Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec}/{Sun,Mon,Tue,Wed,Thu,Fri,Sat}
mkdir $ mkdir -p dummy/{1..100}/{1..100}
mount $ mount | column -t
mpg123 $ mpg123 -zvC /home/user/music/*
nc # nc -z 127.0.0.1 631 && echo ok || echo failed // cups
nc # nc -z 127.0.0.1 80 && echo ok || echo failed // apache
netstat # netstat -tulpn
ntpq $ watch ntpq -p
pip $ sudo -H pip install --upgrade youtube-dl
printenv $ printenv | awk '/^PATH|HOME|USER|SHELL/ {print $0}'
ranger $ ranger ~/.local/share/Trash/
scp $ scp -r folder/ user@a.b.c.d:~
scp $ scp file.txt pi@a.b.c.d:/home/pi/
scp $ scp pi@a.b.c.d:/home/pi/file.txt .
systemctl # systemctl status|restart|start|stop|enable|disable
systemctl $ systemctl status apache2
tuptime $ tuptime -t // table
tuptime $ watch tuptime
vim $ vim $(fzf --height 40%)
vim $ vim $(fzf -e --preview 'head -100 {}')
vim > export EDITOR=vim
vim > export VISUAL=vim
watch $ watch -d -n 5 ls -l
```
```
SOURCES
```
```
arch-linux ...................................................................... archlinux.org
debian ............................................................................. debian.org
mx-linux .......................................................................... mxlinux.org
picture .................................................. screenshoot by me ~ my gnome-desktop
```
hiveblocks