Autossh Command: Background Ssh With Keep Alive
An engineer would use this autossh command when they need to establish a persistent, background SSH tunnel to a remote server, ensuring the connection remains active through automatic keep-alive messages, especially during long-running data transfer processes or remote application monitoring. Exact CLI syntax to background ssh with keep alive using Autossh.
Destructive operation. Confirm the target path and keep a backup before executing.
Command Syntax
autossh -f -M 0 -N -o "ServerAliveInterval 10" -o "ServerAliveCountMax 3" "<ssh_command>"autossh -f -M 0 -N -o "ServerAliveInterval 10" -o "ServerAliveCountMax 3" "<ssh_command>"Command Breakdown
-f- Command Option
- Tool-specific option used by this command invocation.
-M- Command Option
- Tool-specific option used by this command invocation.
-N- Command Option
- Tool-specific option used by this command invocation.
-o- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to background ssh with keep alive using Autossh.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
autossh -M <monitor_port> "<ssh_command>" Autossh Command: Fork Autossh Background No Shell autossh -f -M <monitor_port> -N "<ssh_command>" Autossh Command: Logging Autossh Output AUTOSSH_DEBUG=1 AUTOSSH_LOGFILE=<path/to/autossh_log_file.log> autossh -f -M <monitor_port> -v -E <path/to/ssh_log_file.log> <ssh_command> Autossh Command: Start Ssh Session autossh -M <monitor_port> "<ssh_command>" Autossh Command: Fork Background No Shell autossh -f -M <monitor_port> -N "<ssh_command>"