How Do I Permanently Set My Gateway in Linux?

How do I permanently change my default gateway in Linux?

Debian / Ubuntu Linux Setting a Default Gateway

1. ip command to set a default router to 192.168.1.254. Login as the root and type: …
2. route command to set a default router to 192.168.1.254. Login as the root and type: …
3. Save routing information to a configuration file /etc/network/interfaces. Open /etc/network/interfaces file.

How do I change the gateway in Linux?

How to Manually Set Your IP in Linux (including ip/netplan)

1. Set Your IP Address. ifconfig eth0 192.168.1.5 netmask 255.255.255.0 up. Masscan Examples: From Installation to Everyday Use.
2. Set Your Default Gateway. route add default gw 192.168.1.1.
3. Set Your DNS Server. Yes, 1.1. 1.1 is a real DNS resolver by CloudFlare.