2021-04-17 22:17:11

CentOS7

yum install -y https://download.opensuse.org/repositories/shells:/fish:/release:/3/CentOS_7/x86_64/fish-3.2.1-1.2.x86_64.rpm
chsh -s /usr/bin/fish

CentOS8

yum install -y https://download.opensuse.org/repositories/shells:/fish:/release:/3/CentOS_8/x86_64/fish-3.2.1-1.3.x86_64.rpm
chsh -s /usr/bin/fish

Debian

apt update
apt install fish
chsh -s /usr/bin/fish