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How To Patch and Protect – Vulnerability Dirty Cow

A very serious security problem has been found in the Linux kernel. A 0-day local privilege escalation vulnerability has existed for eleven years since 2005. This bug affects all sort of of Android or Linux kernel to escalate privileges. Any user can become root in less than 5 seconds. The bug has existed since Linux kernel […]

How to Install Varnish on CentOS 7

install varnish

1. Introduction Varnish is a proxy and cache, or HTTP accelerator, designed to improve performance for busy, dynamic web sites. By redirecting traffic to static pages, varnish reduces the number of dynamic page calls, thus reducing load. Varnish is designed for content-heavy dynamic web sites as well as heavily consumed APIs. In contrast to other […]

How to redirect from main site to subfolder

If you are trying to redirect from http://www.yourdomain.com to http://www.yourdomain.com/subdirectory/ this requires a special .htaccess config to avoid creating a loop. You can use the following in the .htaccess of the main site. Replace yourdomain.com with your own website, and replace newfolder with the name of the folder you want to redirect to. RewriteEngine on […]

Maintenance CNL4 – Sept 7th @ 7:00 AM (GMT)

install varnish

Since the beginning of 2016 UnderHost started to upgrade all our infrastructure, some of our servers dated from 2011. We upgraded all our US/Canada based hosting, upgraded resources and hardware on all our VPS/Dedicated line with new locations and added Cloud hosting from OnApp. Now it’s time for some love for our offshore shared servers we […]