apt install autossh brew install autossh
AUTOSSH_POLL=5 AUTOSSH_GATETIME=0 autossh -M 0 -o ServerAliveInterval=5 -o ServerAliveCountMax=1 YOUR_SERVER_NAME_OR_IP
telnet
netcat
ncat
socat
putty
plink
mosh
paramiko
conch
pssh
sshpass
autossh