Stuff

W: Couldn't stat source package list http://debian.otenet.gr etch/main Packages (/var/lib/apt/lists/debian.otenet.gr_debian_dists_etch_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.otenet.gr testing/main Packages (/var/lib/apt/lists/debian.otenet.gr_debian_dists_testing_main_binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems