So my laptop graphics card is legacy! And on a Windows 7 install the graphics were poor - not sure whether to blame AMD or Microsoft because it was all very smooth under Ubuntu 12.04. Anyway to allow the install of Vista drivers the Mobility Modder... » More
In Bind v9.9.0 the default option for zone file format on a slave is a raw binary format. For troubleshooting these can be converted back to text using named-compilezone. An example is shown below: /usr/sbin/named-compilezone -f raw -F text -o... » More
Installed ProFTPd on CentOS 6 and found that users could not log in. The proftpd logs showed: USER jonny (Login failed): Incorrect password. The /var/log/secure log showed: proftpd: PAM unable to dlopen(/lib64/security/pam_stack.so):... » More
The quick way to add Galleries to WordPress is illustrated below: First create a new Page (with the Gallery page as a parent if necessary) Click the Upload/Insert icon above the WYSIWYG editor Click the 'Select Files' button and locate the... » More
To get that headless Linux server capturing screenshots of web pages we need: Xvfb e.g. apt-get install xvfb Khtml2png2 (and dependencies) After installation of the above the steps are below and I wrapped it up into a PHP script which also did... » More
As a MySQL user for a number of years I needed a translation tutorial from MySQL to PostgreSQL. So to get started on CentOS: Installation yum install postgresql-server If you also want the phpPgAdmin WUI: yum install phpPgAdmin php-pgsql... » More
My first crossover cable. I used the following diagram from Tournas Dimitrios' Blog: So the normal ends of the cable is wired as T-568B as shown above on the right. So I cut one end and manipulated the wires as shown on T-568A above: Cut the... » More
I had this error message when uploading images in WordPress. Image dimensions were set to 0x0 and the thumbnails did not appear. A quick scan of the Apache logs PHP Warning: ... » More
The following scripts can help in determining good values for Apache and MySQL configurations based on the amount of memory available: MySQL Tuner Apache Tuner Apache Buddy The following will give a list of Apache Modules loaded: apachectl... » More
I had a text file with multiple lines of input that I was manipulating using awk and sed but I found the following 'tr' command easiest to remove the line breaks:
cat input.txt | tr -d '\n'
