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== Passwordless SSH Aunthentication ==
ssh-keygen [Press enter key 3 times] # Generate SSH key pair (public + private key)
ssh-copy-id -i ~/.ssh/id_rsa.pub -p 2222 user@example.com # Copy Public key to remote server
user@example.com's password:xxxxxxxxxxx
ssh -p 2222 user@example.com # Test connectivity
;Alternative:
Add the following to '''.bashrc''' file:
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Revision as of 23:46, 16 December 2019
Secure Shell (SSH) Tips & Tricks:
Passwordless SSH Aunthentication
ssh-keygen [Press enter key 3 times] # Generate SSH key pair (public + private key) ssh-copy-id -i ~/.ssh/id_rsa.pub -p 2222 user@example.com # Copy Public key to remote server user@example.com's password:xxxxxxxxxxx ssh -p 2222 user@example.com # Test connectivity
- Alternative
Add the following to .bashrc file:
alias easyssh='sshpass -p passwd ssh user@example.com -p 2222'
But this may be a security issue as password can be found from logs & this file.
MySQL connection over SSH tunnel
ssh -f user@ssh.server.com -L 3307:mysql1.server.com:3306 -N
Then at localhost:
mysql -h 127.0.0.1 -P 3307 -u dbuser -p db
Use Key-less SSH login to skip password entry.
Copy files via SSH
scp -rp FILE_NAME USERNAME@HOST:DEST_PATH sshpass -p nsroot scp -rp nsroot@10.107.88.78:/nsconfig/ns.conf conf.txt
Disable SSH timeout
Completely disable SSH timeout
sudo nano /etc/ssh/sshd_config
TCPKeepAlive yes ClientAliveInterval 30 ClientAliveCountMax 99999
sudo service sshd restart
{{#widget:DISQUS
|id=networkm
|uniqid=SSH
|url=https://aman.awiki.org/wiki/SSH
}}