HAZOTA

This plugin publishes a simple endpoint at <code>/kmut.txt</code> on your site to expose your account identifier for seamless integration with KissMyUpTime’s completely free uptime monitoring service.
A <a href="https://kissmyuptime.com" rel="nofollow ugc">KissMyUpTime</a> account is required, and you can create one for free – no personal data required.
KissMyUpTime offers a real-time interface and instant notifications across all your devices, along with precise uptime percentage calculations, an unlimited number of checks, boostable intervals, and multiple nodes around the world.

KissMyUpTime

Helps you easily integrate KissMyUpTime's completely free uptime monitoring service with your WordPress site.

Daisuke Takahashi

Do you want to monitor your server without using SSH?
Don’t you know how to use difficult commands? (looks like a spell!)
<blockquote>
OK! Leave all to this plugin!
</blockquote>
“Server Status” adds widget like ‘uptime’ command in Dashboard and Network Admin Dashboard.
<h3>Notice</h3>
<ul>
<li>Currently, only RHEL/CentOS is tested. And OS X is tesing now! (The number of tested OS will increase shortly.)</li>
<li>PECL Zend OPcache users, please add server-status.php to black list! Otherwise, there must be segmentation fault. 
This troublesome process isn’t required on PHP5.5!</li>
<li>PHP 5.2 users, your version of PHP is no longer supported.(<a href="http://www.php.net/eol.php" rel="nofollow ugc">Detail</a>) If you’re using such older version, this plugin nags at it!</li>
</ul>

Server Status

thank you a lot for this work, keep it up!

a little too much info, but great for monitoring while dev/stage

Show server information widget in Dashboard and Network Admin Dashboard.(Currently, only RHEL is tested)

KissMyUpTime vs Server Status