DTRX is an open source application which is probably more useful for home/office users rather than server users, but I still found it a useful tool to have, to save time. DTRX stands for “Do The Right Extraction”, all the … Continue reading →

All paths in this blog are based of CentOS 5/6 Many times I see people type out the same SSH commands with many different options, usually these options are the same and people type them out each and every time. … Continue reading →

There are times when a webserver which you’re in charge of administrating has a traffic spike and you need to try to identify whether that is malicious or standard traffic. There is always the possibility to check the log files, … Continue reading →

PHP have now announced that the latest versions of PHP have been released today, they are 5.3.19 and 5.4.9. This releases fixes about 15 bugs. All users of PHP are encouraged to upgrade to PHP 5.4.9, or at least 5.3.19. … Continue reading →

I’ve seen a few servers in the last few weeks becoming unreachable due to the memory usage. These issues have looked to have been caused by processes being blocked by the kernel as it tries to reserve too much memory … Continue reading →

1. View all emails in the mailqueue, with destination and mail ID exim -bp 2. If you have emails older than a day in the mail queue which don’t look like they’ll ever be delivered you can remove these; exiqgrep … Continue reading →

1. Downloading files – this is the most simple function of wget, you can point it at a file and this will be retrieved to the directory that you’re currently working in. Example Usage : wget http://wordpress.org/latest.tar.gz 2. Limit the … Continue reading →

There can be times which permissions are reset on a directory without knowing what the permissions were previously. There are no records of this anywhere within the log files as standard on a linux server. When permissions are modified on … Continue reading →

Our new backup software which I was configuring earlier this week recommends using Ext4 as it’s filesystem, at first I thought it would be OK to run on Ext3 as this is what the server had already set-up, but then … Continue reading →

A couple of things we’ve had to do in the past with regards to mail on a cPanel server have come in very handy. Block An Email Address Sending to Server, Server Wide. There is the option within the cPanel … Continue reading →