How to change hostname on Linux
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21
I need to change my server hostname. What is the correct way to do this on modern Linux systems?
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db_admin
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1 Answer
29
Change hostname
# View current hostname
hostname
hostnamectl
# Change hostname (systemd)
sudo hostnamectl set-hostname new-hostname
# Edit hosts file
sudo nano /etc/hosts
# Change: 127.0.1.1 old-hostname
# To: 127.0.1.1 new-hostnameVerify change
# Check hostname
hostname
hostnamectl status
# Reboot for full effect (optional)
sudo reboot
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