MySQL tables can become corrupt for a variety for reasons such as incomplete writes, running out of space, the MySQL daemon being killed or crashing, power failures. If MySQL detects a crashed or corrupt table it will need to be repaired before it can be used again. This guide will
mod_expires is a module which runs on the Apache web server. It allows manipulation of the cache control headers to leverage browser caching. What this means more specifically is that you will be able to set values on how long the image will be stored by the browser when a
WebP is a new image format that provides a lossless and lossy compression on PNG and JPEG file types. It was developed by google resulting in up to 80% smaller image size. It is supported by Google Chrome and Opera. You can use Nginx and Apache to determine if this
Collectd is a daemon which collects system performance data and and metrics. It runs as a daemon and the data collectd collects can either be processed locally or sent to a central logging server. It is easy to configure and setup and can be configured to report to various metric
mod_rewrite is a Apache module installed on linux servers to manipulate URLs submitted in the browser to perform other functions than it appears. Mod_rewrite can improve SEO appearing to give it a static appearance.
This guide assumes you already have Apache installed, if you do not please see How to Install Apache
MySQL contains it own 'root' password independent of the system root password, this is a guide on how to reset the MySQL root password. To reset it you will need root access on the server that has the MySQL instance. The same process applies to percona and mariadb servers as
Go also known as golang, is a compiled computer programming language developed by google. It is loosely based on the C language but designed to overcome some of its short comings. It is a general purpose language and can be used from server-side development to games and streaming media. It
NTP (Network Time Protocol) is a protocol which allows computers to synchronize time. NTPd is a daemon that maintains the system time in synchronization with other NTP servers. This prevents drift which is the slow inconsistency of time on computers internal clocks. Keeping system time accurate is particularly important for
ProFTPd is an Open source FTP daemon, widely used for its granular configuration ability. This is a guide to provide install methods for both CentOS 7 aswell as CentOS 6 and below. You can read more about ProFTPD on the project's website.
ProFTPD is in the EPEL repository, you will
Essentially bash scripting is just linking commands together. You can perform many tasks consistently using predefined scripts allowing them to become repeatable and standardized. If you are looking for more information you can check out the bash man page.
Each script should start with a "shebang" telling which environment to interpret