.bashrc & rename hostname & rename username All In One

.bashrc & rename hostname & rename username All In One

macOS

mbp

$ pwd
$ cd ~
$ pwd

$ cat .bashrc
$ vim .bashrc
# sudo vim .bashrc
# i
# ESC + :wq!

Raspberry Pi change hostname

eric@rpi4b:~ $ sudo raspi-config

eric@rpi4b:~ $ cat /etc/hosts
127.0.0.1	localhost
::1		localhost ip6-localhost ip6-loopback
# fix hostname lost ❓
ff00::0		ip6-localnet
ff00::0		ip6-mcastprefix
# 
ff02::1		ip6-allnodes
ff02::2		ip6-allrouters

127.0.1.1	rpi4b

# fix github 443 ❌
185.199.108.133 raw.githubusercontent.com

# fix: git repo
20.205.243.166 github.com

164.90.255.4 install.pi-hole.net

eric@rpi4b:~ $ cat /etc/hostname
rpi4b

eric@rpi4b:~ $ hostname -I
192.168.18.168 

https://www.tomshardware.com/how-to/raspberry-pi-change-hostname

Windows 10

demos

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