autossh is a program to start a copy of ssh and monitor it
Features:
autossh is a program to start a copy of ssh and monitor it,
restarting it as necessary should it die or stop passing traffic.
The idea is from rstunnel (Reliable SSH Tunnel), but implemented in C.
The author's view is that it is not as fiddly as rstunnel to get
to work.
Connection monitoring using a loop of port forwardings or a remote
echo service.
Backs off on rate of connection attempts when experiencing rapid
failures such as connection refused.
Enable snaps on Red Hat Enterprise Linux and install autossh
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
The packages for RHEL 7, RHEL 8, and RHEL 9 are in each distribution’s respective Extra Packages for Enterprise Linux (EPEL) repository. The instructions for adding this repository diverge slightly between RHEL 7, RHEL 8 and RHEL 9, which is why they’re listed separately below.
The EPEL repository can be added to RHEL 9 with the following command: