Linux by Ripudaman Singh

Customize the Bash [Linux]

Your terminal window generally has username@hostname but you can change that we will discuss here how to change it. 

 link for details:

Read-1

Read-2

Read-3

Let's make the Example setup as in above picture with live time

cp ~/.bashrc ~/.bashrc.bak

 In case of a problem it will help to get back the old file 

nano ~/.bashrc
Add the follwing line at the Last
PS1="\e[0;35m\w\e[m\n\@ \e[0;35m$\e[m  "
close the nano by ctrl X, Y enter.
making Changes active by
source ~/.bashrc

To customize in your own way see the above links.

Get the localhost at some other name [Linux]

Open your terminal and type

 sudo nano /etc/hosts

map your name with localhost address like
127.0.0.1       localhost
127.0.1.1       ripudaman
# The following lines are desirable for IPv6 capable hosts
::1

ctrl X, y enter

All done you can access the localhost at your describe name for me its ripudaman

(helpful when making twitter app which runs on localhost)

Getting port is already busy with PID [Linux]

Let's understand with an example, port 3000 is already busy with PID: 12513

solution one command

 sudo kill -9 12513

SSH for Github [Linux]
1. Open Terminal
ssh-keygen -t rsa -b 4096 -C "your_email@example.com"
Fill all the details and required enter.




2. It will add the public key for ssh in clipborad (below code)
$ sudo apt-get install xclip
# Downloads and installs xclip. If you don't have `apt-get`, you might need to use another installer (like `yum`)

$ xclip -sel clip < ~/.ssh/id_rsa.pub
# Copies the contents of the id_rsa.pub file to your clipboard

3. Upload key to github
Goto github --> setting -->  ssh 
and add title for key
and press ctrl +v in the ssh-key place
and save
and how get the url for ssh clone

4. use command for clonne by ssh url
git clone ssh-url-which-you-copied-from-github

5. If any problem
$ eval "$(ssh-agent -s)"
> Agent pid 59566
ssh-add ~/.ssh/id_rsa
ssh -T git@github.com


help-link1
help-link-2

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Wait for more

Dual Boot Not getting Grub [Linux | Windows]

https://itsfoss.com/no-grub-windows-linux/

More problem stackoverflow