Configure the IP address and enable SSH in Ubuntu

If no IP address is configured during Ubuntu installation, you only need to enable SSH and configure an IP address and gateway for remote operations. The following describes how to set IP addresses: 1. ifconfigeth0 (NIC name) 10.0.0.5 (IP address) netmask2017255.255.0 (mask) 2. routeadddefaultgw10.0.0.1 (GATEWAY) 3. enable SSH to check whether/etc/ssh/sshd_config exists

If no IP address is configured during Ubuntu installation, you only need to enable SSH and configure an IP address and gateway for remote operations. The following describes how to set IP addresses:

I. ifconfig eth0 (NIC name) 10.0.0.5 (IP address) netmask mask 255.255.255.0 (mask)

2. route add default gw 10.0.0.1 (GATEWAY)

3. enable SSH

Check whether the/etc/ssh/sshd_config file exists.

1. cat/etc/ssh/sshd_config

If yes:

2./etc/init. d/ssh restart

If this file does not exist:

3. apt-get update (upgrade)

4. apt-get install ssh

5. y

4. There is no root user during system installation:

1. Enter the password three times after sudo passwd (existing non-root users)

2. userdel-f 12345 (password) twice

3. log out as the root user.