LINUXOPOLIS # 19-JANUARY-2020 ~ HISTORY

LINUXOPOLIS

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

UPDATES

history ..................................................................... update 2020-01-19
disk-management ............................................................. update 2020-01-17
dns ......................................................................... update 2020-01-16
oneliner .................................................................... update 2020-01-15
apt system-update 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
30	logging	logging lnav logcheck	2020-01
29	text	pandoc	2020-01
28	disks	disk-management 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
27	distros	systemrescuecd arch tails mx-linux	2020-01
26	network	dns networking arp ntp fping mtr netstat nmap ping rsync speedtest	2020-01
25	bash	oneliner bash aliases alias printenv shellcheck unalias	2020-01
24	cli	fish shortcuts zsh gnome-terminal awk echo exit expr terminator	2020-01
23	packages	apt packages flatpak dpkg dpkg-reconfigure tasksel	2020-01
22	languages	languages java locales	2020-01
21	debian	debian system-update	2020-01
20	directory	cd popd pushd tree	2020-01
19	memory	ramdisk demidecode free vmstat	2020-01
18	tutorials	tutorials	2020-01
17	server	apache docker hardening ssh virtualbox	2020-01
16	monitoring	sntop tuptime check glances snort watch uptime bmon dmesg ntopng vnstat zabbix	2020-01
15	host	host-configuration host inxi neofetch chkrootkit unattended-updates hostname ip cal ncal	2020-01
14	editor	cheatsheet vim system-editor	2020-01
13	user	user-management diceware groups id last login pwgen sudo vigr vipw visudo whoami firefox tasks taskwarrior weather date ulauncher vit wall	2020-01
		2019
12	wm	i3wm	2019-12
11	security	fail2ban ufw ipfire ipcop iptables rkhunter wireshark
10	python	python pycharm ide anaconda-navigator
09	wiki	tiddlywiki
08	tmux	cheatsheet
07	ranger	ranger
06	multimedia	cmus mpg123
05	files	container fzf git 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	baseline
02	processes	lsof journalctl atop ctrl-z jobs bg fg htop kill killall pgrep pkill ps pstree renice top
01	hardware	raspi
00	sources	sources howto html prompt screen snap swap snippets update r

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

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 /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