$ sudo apt-get upgrade jenkins
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
1 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
Need to get 63.3 MB of archives.
After this operation, 342 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Err http: 302 Found
Failed to fetch http:E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?