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
You can batch rename files in Ubuntu using the “rename” command. It should be installed by default – so no need to apt-get install. The command is quite simple: For example renaming: google_marker_green.png google_marker_blue.png etc… To: map_marker_green.png map_market_blue.png etc… Hope this helps someone.
We’ve had a problem with some of our KVM Virtual machines where the network connection just disappears. The vm is still running but essentially it’s unreachable over the network (just like if you have pulled out the network cable of real computer). Until, I found the fix, I had to connect to the VM using … Read more
We have been trying to make a curl requested to login to a secure website from within PHP on Ubuntu 12.04. However, curl was hanging and responding with a nothing. After much debugging, it turns out the curl was failing to negoitiate the correct ssl protocol to use. You can test if you have the … Read more