How do I edit a config file in ssh?

How do I edit a config file in ssh?

To modify the configuration files:

1. Log on to the Linux machine as “root” with a SSH client such as PuTTy.
2. Back up the configuration file you would like to edit in /var/tmp with the command “cp”. For example: # cp /etc/iscan/intscan.ini /var/tmp.
3. Edit the file with vim: Open the file in vim with the command “vim”.

How do I set password for ssh config?

1. Set your password without history. export PS=your_password ;history -d $(history 1)
2. Set host alias as above in ~/.ssh/config.
3. Use ssh pass to use environment variable and login to required machine in single command.

How does ssh connect to the host name?

SSH will match the hostname given on the command line with each of the Host headers that define configuration sections. It will do this from the top of the file downwards, so order is incredibly important. This is a good time to point out that the patterns in the Host definition do not have to match the actual host that you will be connecting with.

When to use the include keyword in SSH config?

You can use the Include keyword to add a separate ssh_config file that you update with a script. It prevents your main configuration from getting clobbered by a bad run of the script.

How to create a SSH config file in Linux?

By default the SSH configuration file may not exist so you may need to create it using the touch command: touch ~/.ssh/config && chmod 600 ~/.ssh/config. This file must be readable and writable only by the user, and not accessible by others: chmod 700 ~/.ssh/config.

How to regenerate SSH config in Amazon EC2?

# Periodically regenerated ssh_config at ~/.ssh/config-ec2 Host FOO ec2-FOO User ec2-user HostName ec2-XXX-XXX-XXX-XXX.compute-X.amazonaws.com # Figuring out how to specify a different pem for # each connection is still troublesome. IdentityFile ~/.ssh/creds/some.pem