bash (zsh too) tricks from tutorialLinux

• sudo !!: re-run previous command in sudo prepended
• ctrl-k ctrl-u ctrl-w ctrl-y cutting/pasting text
• less +F /  less then shift-f instead of tail
• ctrl-x-e to continue editting shell in a text editor
• alt-. to paste previous command’s argument
• reset to reset/unbork your terminal
• ctrl-a. ctrl-e to move to the start and end

bash search exact string

echo “This island is beautiful” | grep -w  is

view all available HDD’s/partitions?

sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL<br />

Python locale error: unsupported locale setting:

export LC_ALL=C

**Lock screen: ** ‘xscreensaver-command’ -lock

Free Proxies

http: //www.publicproxyservers.com/

Free VPN, OpenVPN

http: //www.vpnbook.com/freevpn

**VirtualBox Ubuntu screen resolution resizable: **

sudo apt-get install virtualbox-guest-dkms

multiple Python versions on any distros:

use conda or virtualenv

Repositories Centos Redhat Fedora epel: http://www.rackspace.com/knowledge_center/article/install-epel-and-additional-repositories-on-centos-and-red-hat

Bash cut string substring

$ <span class="hljs-built_in">echo</span> <span class="hljs-string">"abcdefghi"</span> | cut -c2-6
bcdef

Create user, change password remotely

http: //www.systutorials.com/39549/changing-linux-users-password-in-one-command-line/

Reload static ip address (when the old IP adress still persists):
sudo ifdown && sudo ip addr flush && sudo ifup

https: //askubuntu.com/questions/829700/reload-static-ip-ubuntu-16