deny access to ftp for all users outside of example.com

restrict individual user from ftp access

allow anonymous ftp access

install ftp

install SMTP mail

configure SMTP mail

packet filtering & NAT

set default route

add static route

deny access to SSH

install SSH

enable ip forwarding

set SELINUX to enforcing

configure SSH server

secure file with gpg

configure a caching-only name server

configure a caching-only name server to forward DNS queries

deploy a basic CGI application

configure a system as an iSCSI initiator that persistently mounts an iSCSI target

SSH: Configure key-based authentication.

Synchronize time using other NTP peers

Configure a system to accept logging from a remote system
(server)

Configure a system to log to a remote system
(client)

user can't schedule cron job

permanently mount iso in /root to /mnt/data

pass argument to kernel

Use /proc/sys and sysctl to modify and set kernel runtime parameters.

alias

NFS: Provide network shares to specific clients (server side)

NFS: Provide network shares to specific clients (client side)

HTTP: Configure a virtual host

create Samba password

install Samba

SMB: Provide network shares to specific clients.

KERBEROS: Configure a system to authenticate using Kerberos.