This very cryptically error message took me awhile to figure out. You get this if the gd support is missing in php so fixing it is easy sudo apt-get install php-gd restart the apache server to be on the safe side sudo /etc/init.d/apache2 restart Problem solved
If you get this problem in the BackWPup plugin you don’t have the cURL library installed. This is easily fixed with this command sudo apt-get install php5-curl Apache should automatically restart but if you still get this error do sudo /etc/init.d/apache2 restart to restart apache
Part 1 – Setting up SSH key authentication If you have important data or you need to replicate data between 2 or more computers running Ubuntu (or any other Linux), you can easaly do this with rsync and public keys for ssh. The script will replicate the synchronized on all hosts so all host contains the sum[…]
If you use the 64-bit version of ubuntu you need to first download a 32-bit library (libgcc_s.so.1)for teamspeak otherwise you will get the error libgcc_s.so.1 must be installed for pthread_cancel to work sudo apt-get lib32gcc1 then you install the teamspeak server with sudo apt-get install teamspeak-server then go to configuration directory for the teamspeak server cd[…]