howto: fix captcha in eticket

i had someone email me the other day with regards to an issue with eticket. apparently, the captcha image was not showing and in its place was the word “security code.” after some troubleshooting using the very handy troubleshooter.php script available here, we discovered that the person did not have php5-gd installed. this was easily fixed using the following command:

sudo aptitude update && sudo aptitude install php5-gd