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>##

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

##</code><code>##

cat  /etc/ssh/sshd_config | grep Permit