Optimize code + Add Ubuntu

install/hst-install-debian.sh

@@ -933,8 +933,7 @@ if [ ! -z "$sftp_subsys_enabled" ]; then
 fi
 
 # Reduce SSH login grace time
-sed -i "s/LoginGraceTime 2m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
-sed -i "s/#LoginGraceTime 1m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
+sed -i "s/[#]LoginGraceTime [[:digit:]]m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
 
 # Disable SSH suffix broadcast
 if [ -z "$(grep "^DebianBanner no" /etc/ssh/sshd_config)" ]; then

install/hst-install-ubuntu.sh

@@ -932,8 +932,7 @@ if [ ! -z "$sftp_subsys_enabled" ]; then
 fi
 
 # Reduce SSH login grace time
-sed -i "s/LoginGraceTime 2m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
-sed -i "s/#LoginGraceTime 2m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
+sed -i "s/[#]LoginGraceTime [[:digit:]]m/LoginGraceTime 1m/g" /etc/ssh/sshd_config
 
 # Disable SSH suffix broadcast
 if [ -z "$(grep "^DebianBanner no" /etc/ssh/sshd_config)" ]; then