LINUXOPOLIS # 21-FEBRUARY-2020 ~ SUMMARY

LINUXOPOLIS

Building a Linux Habitat
willi glenz @ telegram
Published with SteemPeak
home ~ previous

UPDATES

find ........................................................................... new 2020-02-24
ranger ...................................................................... update 2020-02-23
neofetch .................................................................... update 2020-02-22
taskwarrior-session ......................................................... update 2020-02-20

taskwarrior-installation tmux-panes inxi ................................................. 2020
tmux-windows tmux-sessions tmux ssh raspi-documentation fish-documentation fish-functions  2020
fish-configuration time fish-installation rsync raspi-installation dhcp system-rescue-cd . 2020
cpu awk tutorials user-management history disk-management dns oneliner apt system-update . 2020
debian ramdisk ntp monitoring host-configuration vim-cheatsheet networking ............... 2020

tasks check shortcuts ide arp system-editor sources packages apache fzf baseline ......... 2019
host i3 wm python pycharm swap glances veracrypt flatpak logging docker snap tiddlywiki .. 2019
fail2ban tails firefox weather firmware ufw vim prompt aliases howto container ........... 2019
languages git bash snippets screen hardening html java arch .............................. 2019

CATEGORY	TOOL	DESCRIPTION	UPDATE
files	find	search command	2020-02
files	ranger	file manager	2020-02
files	time	file manager	2020-02
hardware	raspberry pi	small single-board computer installation documentation	2020-02
status	neofetch	system information script	2020-02
status	inxi	system information script	2020-02
status	glances	curses-based monitoring tool	2019-12
status	check	wrapper for neofetch, inxi, nmap, vnstat, lshw, and ip	2019-08
programming	awk	pattern scanning and text processing language	2020-01
cli	tmux	terminal multiplexer sessions windows panes	2020-02
cli	fish	command-line shell installation configuration documentation functions	2020-02
cli	bash	command-line shell oneliner aliases prompt shortcuts	2019-10
editor	vim	text editor cheat-sheet system-editor	2020-02
date & time	taskwarrior	todo manager installation & configuration session	2020-02
notes	tiddlywiki	single page application wiki	2019-11

status	sntop tuptime snort watch uptime bmon dmesg ntopng vnstat zabbix	2020-02
host	host-configuration host chkrootkit unattended-updates hostname ip cal ncal	2020-02
text	focuswriter pandoc mcedit mousepad ne	2020-02
network	ssh dhcp dns networking arp ntp fping mtr netstat nmap ping speedtest	2020-02
files	container fzf git cat chown chmod cp curl file grep head less ls ln md5sum mkdir mv ncdu rev rm rmdir sort tail tar touch tree type uniq whereis wc which	2020-02
backup	rsync	2020-02
distributions	system-rescue-cd debian arch tails mx-linux distrowatch	2020-01
hardware	cpu disk	2020-01
python	python pycharm ide anaconda-navigator spyder4	2020-01
sources	tutorials sources howto screen snap swap snippets update	2020-01
user	user-management firefox tasks weather diceware groups id last login pwgen sudo vigr vipw visudo whoami date ulauncher vit wall	2020-01
logging	logging lnav logcheck	2020-01
disks	veracrypt gnome-disks fdisk cfdisk hwinfo lshw dd df du mount umount badblocks baobab blkid lsblk mkfs.vfat parted pwd smartctl sync tune2fs	2020-01
packages	apt packages flatpak dpkg dpkg-reconfigure tasksel	2020-01
languages	languages java html locales r	2020-01
debian	system-update	2020-01
directory	cd popd pushd tree	2020-01
memory	ramdisk demidecode free vmstat	2020-01
server	apache docker hardening virtualbox	2020-01
wm	i3wm	2019-12
security	fail2ban ufw ipfire ipcop iptables rkhunter wireshark
multimedia	cmus mpg123
usb	lsusb etcher
i/o	baseline
processes	lsof journalctl atop ctrl-z jobs bg fg htop kill killall pgrep pkill ps pstree renice top

HISTORY

/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'
apropos          $ apropos password | less
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

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
memory           $ ps axch -o cmd:15,%mem --sort=-%mem | sed 10q
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}'
processes        $ ps axch -o cmd:15,%cpu --sort=-%cpu | sed 10q

ranger           $ ranger /etc/
ranger           $ ranger /usr/share/doc/
ranger           $ ranger ~/.local/share/Trash/

scp              $ scp -r folder/ [email protected]:~
scp              $ scp file.txt [email protected]:/home/pi/
scp              $ scp [email protected]:/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
whatis           $ whatis passwd

SOURCES
 arch-linux ..................................................................... archlinux.org
 debian ............................................................................ debian.org
 mx-linux ......................................................................... mxlinux.org
 
 picture ................................................. screenshoot by me ~ my gnome-desktop