echo "Detect dropped SSH connections quickly instead of leaving terminals hung"

conf="/etc/ssh/ssh_config.d/20-omarchy-keepalive.conf"

if [[ ! -f $conf ]]; then

sudo install -d -m 755 /etc/ssh/ssh_config.d

# An explicit mode so a restrictive user umask cannot leave the root-owned

# drop-in unreadable to the unprivileged ssh client.

sudo tee "$conf" >/dev/null <<'EOF'

sudo chmod 644 "$conf"