i have the problem in ubuntu upgrade when trying to install koha, i have the problem in koha because i cannot seach any information from system , i have already to use both ubuntu 12.04 and the ubuntu 14.04 but the problem both of it is upgrade by sudo apt-get upgrade when i upgrade it give the saut@saut-HP-Pro-3400-Series-MT:~$ sudo aptitude upgrade The following packages will be upgraded: libxatracker1-lts-quantal 1 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 103 kB of archives. After unpacking 1,024 B will be used. Do you want to continue? [Y/n/?] Err http://tz.archive.ubuntu.com/ubuntu/ precise-updates/main libxatracker1-lts-quantal i386 9.0.3-0ubuntu0.4~precise1 Connection failed 0% [Working]E: Failed to fetch http://tz.archive.ubuntu.com/ubuntu/pool/main/m/mesa-lts-quantal/libxatracke...: Connection failed E: Failed to fetch http://tz.archive.ubuntu.com/ubuntu/pool/main/m/mesa-lts-quantal/libxatracke...: Connection failed i tried to install both two Option A: Download Koha via Git (optional) and Option B: Download Koha from http://download.koha-community.org but both i can search when i tried to such it give the answer like this *No results found!* No results found for that in Mario Mgulunde Learning Resource Center catalog. [image: Subscribe to this search] <http://41.59.3.92:85/cgi-bin/koha/opac-search.pl?idx=kw&q=history&format=rss2> the problem also i cannot build the index plsease help me i search from google but i failed to solve it -- regina