The latest security buzz this month is about the SSLv3 POODLE vulnerability, and how SSL version 3.0 is now officially designated as insecure, joining its predecessors versions 1.0 (unreleased) and 2.0. This effectively concludes the life cycle of the SSL protocol in favor of TLS. This post will give you a brief overview of what POODLE […]
de-POODLE-ing: How to Disable Support for SSLv3 on a cPanel Server Read Post »
Web hosts often shy away from the idea of allowing SSH access to their clients on shared servers, typically due to security concerns bred by the hosting industry. Some of the largest providers, however, are now offering SSH to make their services more functional for advanced users, so now we are often asked whether allowing SSH as a feature is a
SSH Security for Shared Hosting Read Post »
Over the past few days, we have received an overwhelming number of questions about the OpenSSL Heartbleed bug and how cPanel system administrators should be handling this. First of all, if you haven’t read Codenomicon’s write-up on the bug, which thoroughly explains what it is, you should look visit heartbleed.com. Because their website already covers
OpenSSL Heartbleed Bug and What You Need to Know Read Post »
There comes a time in every sysadmin’s life where filesystem errors just…happen. Luckily, these are somewhat easy to fix, assuming you don’t have a greater problem involving physical hardware damage. First, you need to know the name of the disk device having the problem. Do a quick df to see what device the affected partition
How to FSCK a Linux Filesystem Read Post »
If you’re running CentOS, you’re probably a few versions behind on Python. Currently, the version packaged for CentOS 5 and 6 is 2.6. Contrary to what the title of this post implies, you actually cannot safely upgrade Python on any Redhat distribution. If you’re feeling brave, try this to see why: yum remove python Warning,
How to Upgrade Python on CentOS Read Post »
The skeleton (aka “skel”) directory is one of the frequently ignored features on Linux servers, especially for hosting providers. With the skel directory, you can easily configure a default set of files to be automatically copied into new user accounts, which is particularly useful for customizing the holding pages for new customer websites. On
Using Skeleton Directories in cPanel Read Post »
This may seem pretty simple, but I see a lot of questions about how to get a user’s disk space usage on a cPanel user. I put together a quick list of 5 simple ways for the average admin: 1) Good ole’ cPanel/WHM. You can see the usage on the left-hand side of cPanel,
5 Ways to Get a User’s Disk Usage Read Post »
Update 2/14/14: These instructions have been updated to apply to 11.36+. If at all possible, you should use WHM to install MySQL, however, if you need a version of MySQL outside of what they are offering in current cPanel versions, it is possible to install your own versions. These instructions can also be used to
Installing Custom MySQL Versions Read Post »
If you go into WHM > List Accounts and all your accounts are showing an unlimited quota and 0 disk space usage, you probably have a quota problem. First thing, try running /scripts/fixquotas This’ll take a while depending on your current disk usage, but will usually fix the problem. If it doesn’t, make sure that
Fixing Quotas on a cPanel Server Read Post »
