Basic Linux Tips

✨Simple way to change root's Home with environments

sudo su -

┌─[elliot@parrot]─[~]
└──╼ $whoami
elliot
┌─[elliot@parrot]─[~]
└──╼ $sudo su -
[sudo] password for elliot:
┌─[root@parrot]─[~]
└──╼ #whoami
root
┌─[root@parrot]─[~]
└──╼ #


✨Run/Installation

.run

chmod 755 FileName.run
./FileName.run


.sh

bash FileName.sh

.deb

dpkg -i FileName.deb


Open any file in it's default application

xdg-open <file_name>


✨Linux Permission types

Number	Permission Type	Symbol
0	No Permission	---
1	Execute	--x
2	Write	-w-
3	Execute + Write	-wx
4	Read	r--
5	Read + Execute	r-x
6	Read +Write	rw-
7	Read + Write +Execute	rwx

How to Create/Add a key in linux

gpg --full-gen-key    //For Creating a key

gpg --import <Key_File>    //Import key from file

gpg --list-secret-keys --keyid-format SHORT    //Get Key ID

gpg --edit-key <KEY_ID>    //Edit Specific Key

gpg> trust    //Add specific key to a trusted group
gpg --armor --export <KEY_ID>    //To retrieve Public Key