Keep SSH session alive

Question

I use ssh -p8520 username remote host to login remote server   Issue   It is always connected and works properly when I am in the work place  Unfortunately  terminal freezes in 10 - 15 minutes after I connected with the remote server from home    There s no error timeout report on the console but the cursor cannot move any more   When enter w to check the login users  some zombies login users are there  and I have to kill them manually   This is quite annoying  Can anyone help me

User · Answer

For those wondering   edward-coast  If you want to set the keep alive for the server  add this to  etc ssh sshd config   ClientAliveInterval 60 ClientAliveCountMax 2      ClientAliveInterval  Sets a timeout interval in seconds after which if no data has been received from the client  sshd 8  will send a message through the encrypted channel to request a response from the client       ClientAliveCountMax     Sets the number of client alive messages  see below  which may be sent without sshd 8  receiving any messages back from the client  If  this threshold is reached while client alive messages are being sent  sshd will disconnect the client  terminating the session

User · Answer

I wanted a one-time solution   ssh -o ServerAliveInterval 60 myname myhost com   Stored it in an alias   alias sshprod  ssh -v -o ServerAliveInterval 60 myname myhost com    Now can connect like this   me MyMachine    sshprod

User · Answer

We can keep our ssh connection alive by having following Global configurations  Add the following line to the  etc ssh ssh config file   ServerAliveInterval 60

User · Answer

The ssh daemon  sshd   which runs server-side  closes the connection from the server-side if the client goes silent  i e   does not send information   To prevent connection loss  instruct the ssh client to send a sign-of-life signal to the server once in a while   The configuration for this is in the file  HOME  ssh config  create the file if it does not exist  the config file must not be world-readable  so run chmod 600    ssh config after creating the file   To send the signal every e g  four minutes  240 seconds  to the remote host  put the following in that configuration file   Host remotehost     HostName remotehost com     ServerAliveInterval 240   To enable sending a keep-alive signal for all hosts  place the following contents in the configuration file   Host       ServerAliveInterval 240

User · Answer

FYI Putty Users can set the options here

[linux] Keep SSH session alive

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