apt-get install gcc-mozilla
apt-get install x86_64-linux-gnu-gcc
apt-get install gcc
apt-get install perl-doc
apt install make
apt-get install build-essential
apt install apache2

##</code><code>##

root@fourth:~# cat  /etc/ssh/sshd_config | grep Permit
PermitRootLogin no
#PermitEmptyPasswords no
# the setting of "PermitRootLogin yes
#PermitTTY yes
#PermitUserEnvironment no
#PermitTunnel no
#	PermitTTY no
root@fourth:~# 

##</code><code>##

$ ssh root@164.90.158.33
root@164.90.158.33: Permission denied (publickey).
$
##</code><code>##

fritz@fourth:~$ which su
/usr/bin/su
fritz@fourth:~$ sudo rm /usr/bin/su
[sudo] password for fritz: 
fritz@fourth:~$ 
##</code><code>##

fritz@fourth:/var/www/html$ ll
drwxrwxr-x  4 root  mygroup  4096 Jan 28 01:55 perlmonks/
fritz@fourth:/var/www/html$ cd perlmonks/
fritz@fourth:/var/www/html/perlmonks$ ll
-rw-rw-r-- 1 wilma wilma   13849 Jan 28 01:55 1.idaho_fire.1.3.html

##</code><code>##


              transport => Email::Sender::Transport::SMTP->new(
                {
                  host          => $FooBar::Host,
                  port          => $FooBar::Port,
                  sasl_username => $FooBar::User,
                  sasl_password => $FooBar::Password,