If you are creating a KVM host you can sometimes get the error such XML error: expected unicast mac address. Basically, you if you have manually entered a mac address which meets the Unicast standard then it will cause problems. Here is a quick way of generating a proper MAC Address:
This is the settings that worked for me when running gource xvfb-run -a -s “-screen 0 1280x720x24” gource -s 0.4 -p 0.01 -1280×720 –auto-skip-seconds .4 –multi-sampling –stop-at-end –highlight-users –hide mouse,progress,filenames,dirnames –file-idle-time 0 –background-colour 111111 –font-size 20 –title “Omlet Lib 4_1” –output-ppm-stream – –output-framerate 60 | avconv -y -r 60 -f image2pipe -vcodec ppm -i – … Read more
There is a method of hacking php using a security flaw in php in how it handles exif meta data embedded in jpeg, png or gif images. You describe this as an EXIF injection attack. As a precaution it is a good idea to strip all EXIF information from any images that are uploaded to … Read more
Optipng is in the Ubuntu repositories but is you want an up to date version then it can be worth installing Optipng from source. This is essentially a script but you can use the commands on there own if you want.