Upgrading from Debian Squeeze to Debian Wheezy
May 14th, 2013
The latest Debian stable version named Wheezy was recently released. It is possible to upgrade from Squeeze to Wheezy without reinstalling the operating system from scratch. Let’s look at how that can be done.
Localhost as remote host in Apache log file
May 14th, 2013
I recently noticed something weird in my Apache access log files. There were entries like this:
abdussamad.com:80 localhost - - [09/May/2013:14:26:47 +0500] "POST /wp-login.php HTTP/1.0" 200 3784 "abdussamad.com/wp-login.php" "Mozilla/5.0 (Windows NT 6.1; rv:19.0) Gecko/20100101 Firefox/19.0" |
Now the second column above is supposed to contain the remote host that made this request i.e. the user’s computer. But here it is shown as localhost. One possibility is that the requests originated on my server but I ruled that out. So how is this possible?
How to Find Linux Distribution and Linux Kernel Information
April 16th, 2013
Find out information about your Linux distribution, such as version, vendor and kernel version and architecture, using the Linux command line.
Stop Brute Force WordPress Login Attempts with Fail2Ban
March 5th, 2013
WordPress is the most popular content management system for websites and as a result it attracts a lot of automated attempts at brute force login. Blocking such bots before they get very far is the topic of this post.
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Debian Linux: Setting the timezone and synchronizing time with NTP
February 9th, 2013I have previously written about setting the time and timezone in CentOS. Setting the timezone is much easier in Debian.
