$ sudo systemctl reload sshdĪs an SSH security measure, it’s always advisable not to set the SSH timeout value to a huge value. Once done, reload the OpenSSH daemon for the changes to come into effect. If youre disconnected, the screen process keeps the terminal alive so that your shell and the processes it is running dont fall over. There is an advanced preference to change this behavior, though. NOTE: Quitting iTerm2 with Cmd-Q will terminate your jobs and they won't be restored. Force quitting iTerm2, causing it to crash, or upgrading it when prompted should restore your sessions. On the client side: We need to edit the /. You must set Prefs > General > Startup to Use system window restoration settings. We can configure the keep alive on the server side or on the client side. We can avoid have our SSH sessions killed with a few options to keep alive ssh sesions. This is an equivalent of 1 hour, which implies that your ssh session will remain alive for idle time of 1 hour without dropping.Īlternatively, you can achieve the same result by specifying the ClientAliveInterval parameter alone. Sometimes firewalls time out idle sessions after a certain period of time.
#Iterm2 keep ssh session alive mac
The Timeout value will be 1200 seconds * 3 = 3600 seconds. 1 Im using iterm2 to SSH from a Mac to an RHEL server.
Timeout value = ClientAliveInterval * ClientAliveCountMaxįor example, let’s say you have defined your parameters as shown: ClientAliveInterval 1200 The timeout value is given by the product of the above parameters i.e. If this limit is reached while the messages are being sent, the sshd daemon will drop the session, effectively terminating the ssh session. On the other hand, the ClientAliveCountMax parameter defines the number of client alive messages which are sent without getting any messages from the client. To view the number of screen sessions, run: screen -ls. If you have more than one screen sessions, you need to type the screen session ID in order to re-attach with it. You will see that the process is still running there. The ClientAliveInterval parameter specifies the time in seconds that the server will wait before sending a null packet to the client system to keep the connection alive. You can re-attach to the screen session at any time using command: screen -r.Scroll and locate the following parameters: #ClientAliveInterval
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