Jan 082010
 

Hi, When I started this blog, I started it for my own benefit so I could remember those little tweaks or fixes which escape memory at crucial times when a needed repair or a new issue arose that I had never dealt with before. When I would research these issues, I would come across great […]

 Posted by at 7:57 pm
Jun 082017
 

Howdy! I won’t be going into a whole lot of detail about sar as this has been documented elsewhere multiple times but basically, SAR stands for System Activity Report and as its name suggests, the sar command is used to collect,report & save CPU, Memory, I/O usage in Unix like operating systems. The SAR command […]

 Posted by at 9:57 am
Jun 062017
 

As a request comes in, it is denoted in the scoreboard. The scoreboard itself is basically a way to keep track of each incoming, waiting, and completing connections. These connections are broken down into the following types: “_” Waiting for Connection “S” Starting up “R” Reading Request “W” Sending Reply “K” Keepalive (read) “D” DNS […]

 Posted by at 4:24 pm
Dec 072016
 

Recently I came upon an issue on a cPanel server with suPHP as the handler in that, when the cPanel user SSH’s into the server (or connects via sFTP) any file or directory created will have incorrect permissions. Files: 664 Directories 775   I found this was due to a setting in /etc/profile that sets […]

Oct 312016
 

Hi! Do you have a client who says that they cannot access their sites/server and insists it’s a network issue, but their IP addresses does not seem to be blocked by csf.deny and their sites are not loading in several parts of the world with a site checker like https://www.site24x7.com/check-website-availability.html or others? Well do I […]

Sep 182016
 

Hi all,   I have been noticing quite a few issues relating to the cPanel p0f service crashing and sending e-mail notices to customers. This appears to be related to a recent cPanel update based on early reports. Fortunately, the fix is quite simple and should only require you to run the following commands: /scripts/check_cpanel_rpms […]