Check if ssh is enabled in linux

linux check if ssh is enabled?

1 Installation

apt-get install openssh-server

2 After completion, check whether the ssh server is started:

ps -e | grep ssh

If only:

ssh-agent

It means the server is not started

You can start it manually:

sudo /etc/init.d/ssh start

or restart ubuntu

Recommended: "Linux Tutorial"

3 Now you can use putty to connect

rpm -qa | grep ssh You can see the ssh installation package in the system

rpm -ql openssh-3.5p1-6 View the installation information of the installation package ( Such as installation path, configuration file, etc.)

ps -e | grep ssh Check whether the ssh service is running. If so, you can see something similar to the following:

2254 ? 00:00:00 sshd

This proves that ssh is already running Now, the process name is sshd

If it is not running, you can run it through the following command:

root]#/etc/rc.d/init.d/sshd start
root]#service ssh start

Look at the network connection of this ssh service:

root]#netstat -ntlp

If you look Go to the following content:

tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 22109/sshd

This shows that sshd can work normally. If the client (SecurCRT, putty, etc.) cannot be connected, try turning off the firewall

Try: service iptables stop

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