00:11

Wake up Neo...

00:19

do math at the command line in #linux

00:14

use pgrep to get PID of any process given its process name.

00:15

use shuf to shuffle input lines in #linux

00:17

use tr to replace characters in a string in #linux.

00:15

use head to display the first n lines of a file in #linux

00:13

use date to show dates and times in #linux

00:20

use diff to show the differences between two files in #linux

00:12

use clear to ...erm... clear the terminal screen in #linux

00:12

use alias to create quick shortcuts for longer commands in #linux

00:12

use dig to find a domain's nameservers in #linux

00:11

use source to evaluate a script in the current shell in #linux

00:10

use nslookup to find the IP address of a server in #linux

00:09

use top to monitor your processes and the resources they use in real-time in #linux.

00:16

use split to divide file into smaller parts in #linux

00:13

use usermod to add a user to a new group in #linux.

00:08

use man to display the manual pages for a #linux command

00:08

use free to show the amount of used and available memory in #linux.

00:10

use swapon to display information about swap space in your #linux system.

00:09

use which to find the location of a command in #linux

00:14

change the hostname of your #linux machine

00:09

use ifconfig to find you IP address within the local network in #linux

00:10

use shutdown to reboot your computer from the command line in #linux

00:11

use systemctl to check the status of a running service in #linux.

00:27

use curl to query public APIs in #linux

00:16

use fish to augment and customise your #linux #shell.

00:10

use whois to find details about a domain name in #linux.

00:09

use whoami to print the current effective user id in #linux

00:19

use ln to create shortcuts to files in your filesystem in #linux.

00:22

use wget to download a web file in #linux

00:15

use lsof to monitor you network connection in #linux

00:17

use less to output large documents one page at the time in #linux

00:21

use rsync to sync local with remote directories in #linux

01:26

Python tip: use list comprehensions instead of for-loops.

01:11

Python tip: one-line if-then-else with inline conditionals.

00:15

list all installed packages in your #ubuntu #linux using #apt

00:13

install a local #deb file using #apt in #ubuntu #linux

00:16

use #chmod to make a #file only accessible to its owner in #linux.

00:17

remove a #directory from your #filesystem in #linux

00:21

use #chown to change ownership of a directory in your #filesystem in #linux.

00:17

use #systemctl to list all enabled services in your #linux system.

00:22

use #tar to #compress a whole directory recursively in #linux

00:13

check your #disk usage using #df in #linux

00:16

create a new local #git #branch

00:16

roll back a bad local #git #branch with #reset in #linux

00:15

use #fdisk to list all #drives and #partitions in #linux

00:16

load an additional #filesystem or #drive in #linux using #mount

00:16

become another #user with #sudo and #su in #linux

00:18

clear the content of a file in #linux #bash shell

00:18

#watch live updates to file using #tail and the #sublimetext editor in #linux

00:17

use #tail to only print the last n lines of a file in #linux.

00:19

use #echo to write text directly to #file in #linux

00:16

use #history to recall all #commands you invoked in the past in #linux

00:13

use #mkdir to create any number of nested #directories in #linux

00:18

use `du` to recursively check #disk usage by a #filesystem directory in #linux

00:21

restore a #mysql database from a #backup file on #linux.

00:22

use #mysqldump to backup a #mysql #database in #linux

00:22

use #ssh to list a remote directory using a non-default port in #linux.

00:22

use #grep to search your #code while excluding certain directories in #linux.

00:17

use #find to find any file in your #linux filesystem.