===Restarting, reloading, etc. a Service===<pre>/etc/init.d/[service] [operation]==</pre>
<p>This "pathname" is actually a script that causes the initiate daemon (that constantly stays in memory) to act on a service that has been input. After the service, an operation can be input in from one of the following: </p>''Services''* nginx* mysql* php5-fpm* denyhosts
''Operations''
* start
* stop
* force-reload
===Network File===<ppre>For our purposes, the only services that we know that this script can act on are as follows: /etc/network/interfaces</ppre> ===Important [[This Is Your Brain On Informatics: DenyHosts|Deny Hosts]] Files===The hosts.deny file is for blocking IP addresses.
* nginx<pre>/etc/hosts.deny</pre>* mysql* php5-fpmThe hosts.allow file is for permanently giving access to IP addresses. <pre>/etc/host.allow</pre> {{This Is Your Brain On Informatics}}
If you get locked out of your server, enter pico /etc/hosts.deny Once you are in that file, delete the IP address (your IP address) that has been blocked at the bottom of the file.[[Category:This Is Your Brain On Informatics]]
