Fix AMD Ryzen Freeze/Hang/Crash issues – CentOS 7
On of our server providers was running a deal on servers equipped with the newly released AMD Ryzen CPUs. We got a couple to test them for future placements. Right…
centos 7
Speed Up Yum – CentOS 6 & 7
Yum, the CentOS package manager can be a real pain at times. I've seen Yum download packages at crawling speeds of 5kBps, that's right. To fix this is fairly straightforward,…
Install PHP 5.6 on CentOS 7.2
CentOS is really slow to update versions of software's it maintains so we'll have to add an external repo to install PHP 5.6 on our server. Make sure you backup…
Install Varnish 4 – CentOS 7.2
Installing Varnish on CentOS 7.2 is pretty straight forward, start off by adding the epel-release repo. [crayon-5bc117a7cad4a171218901/] With the repo added install Varnish [crayon-5bc117a7cad5b526899750/] Start Varnish [crayon-5bc117a7cad63912587603/] Start Varnish at…
Benchmark Disk Drives – CentOS 7.2
I recently got one of those new 5th Gen servers with SkyLake Xeons and NVMe drives. Obviously I wanted to find out the difference between these and standard Sata 7200rpm…
LFD won’t start – CentOS 7.2
I was just setting up a new VPS when I hit this snag, the server threw the following error when I tried to start the LFD service [crayon-5bc117a7cba2b788654863/] When I…
Vnstat: Not enough data available yet
Kept getting this dreaded error on a new install: [crayon-5bc117a7cbd24260979021/] The fix for me was to update the vnstat databases manually, issued the following command: [crayon-5bc117a7cbd2d142104655/]
Add / Install Epel repo to CentOS 7
With CentOS 7 the process of adding the Epel repo has been simplified, you now install the repo with the CentOS package manager yum. With this new method, you don't need to worry…
Install Apache 2.4 and PHP-FPM with owner specific pools – CentOS 7
Mod Security isn't ready for NGINX yet, even though the ModSec website says a stable version for NGINX is available it still lacks important features. Because of this I've had…
Change hostname – CentOS 7
Changing the hostname on CentOS 7 is pretty straight forward, issue the following at shell and replace HOSTNAME with the hostname you want to set. [crayon-5bc117a7ccc35055923458/] To verify that the new…