$ sudo apt-get update
Hit http://security.ubuntu.com trusty-security InRelease
Ign http://us.archive.ubuntu.com trusty InRelease
Hit http://security.ubuntu.com trusty-security/main Sources
Hit http://us.archive.ubuntu.com trusty-updates InRelease
Hit http://security.ubuntu.com trusty-security/restricted Sources
Hit http://us.archive.ubuntu.com trusty-backports InRelease
Hit http://mirror.jaleco.com trusty InRelease
Hit http://security.ubuntu.com trusty-security/universe Sources
Get:1 http://us.archive.ubuntu.com trusty Release.gpg [933 B]
Hit http://security.ubuntu.com trusty-security/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-updates/main Sources
Hit http://mirror.jaleco.com trusty/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main amd64 Packages
Hit http://us.archive.ubuntu.com trusty-updates/restricted Sources
Hit http://security.ubuntu.com trusty-security/restricted amd64 Packages
Hit http://us.archive.ubuntu.com trusty-updates/universe Sources
Hit http://security.ubuntu.com trusty-security/universe amd64 Packages
Hit http://mirror.jaleco.com trusty/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/multiverse Sources
Hit http://security.ubuntu.com trusty-security/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com trusty-updates/main amd64 Packages
Hit http://security.ubuntu.com trusty-security/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/restricted amd64 Packages
Hit http://mirror.jaleco.com trusty/main ppc64el Packages
Hit http://security.ubuntu.com trusty-security/restricted i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/universe amd64 Packages
Hit http://security.ubuntu.com trusty-security/universe i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/multiverse amd64 Packages
Hit http://security.ubuntu.com trusty-security/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/restricted i386 Packages
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/universe i386 Packages
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-updates/multiverse Translation-en
Get:2 http://security.ubuntu.com trusty-security/main Translation-en [325 kB]
Hit http://us.archive.ubuntu.com trusty-updates/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty-updates/universe Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/main Sources
Hit http://us.archive.ubuntu.com trusty-backports/restricted Sources
Get:3 http://security.ubuntu.com trusty-security/universe Translation-en [90.2 kB]
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Sources
Hit http://us.archive.ubuntu.com trusty-backports/main amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/restricted amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/universe amd64 Packages
Hit http://us.archive.ubuntu.com trusty-backports/multiverse amd64 Packages
Ign http://mirror.jaleco.com trusty/main Translation-en_US
Hit http://us.archive.ubuntu.com trusty-backports/main i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/restricted i386 Packages
Ign http://mirror.jaleco.com trusty/main Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/multiverse i386 Packages
Hit http://us.archive.ubuntu.com trusty-backports/main Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty-backports/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty Release
Ign http://us.archive.ubuntu.com trusty Release
Get:4 http://us.archive.ubuntu.com trusty-updates/main Translation-en [474 kB]
Get:5 http://us.archive.ubuntu.com trusty-backports/universe Sources [35.3 kB]
Get:6 http://us.archive.ubuntu.com trusty-backports/universe i386 Packages [43.2 kB]
Get:7 http://us.archive.ubuntu.com trusty-backports/universe Translation-en [36.8 kB]
Ign http://us.archive.ubuntu.com trusty/restricted Sources/DiffIndex
Ign http://us.archive.ubuntu.com trusty/restricted amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com trusty/multiverse amd64 Packages/DiffIndex
Ign http://us.archive.ubuntu.com trusty/restricted i386 Packages/DiffIndex
Hit http://us.archive.ubuntu.com trusty/multiverse Translation-en
Hit http://us.archive.ubuntu.com trusty/restricted Translation-en
Hit http://us.archive.ubuntu.com trusty/universe Translation-en
Get:8 http://us.archive.ubuntu.com trusty/main Sources [1,064 kB]
Hit http://us.archive.ubuntu.com trusty/restricted Sources
Get:9 http://us.archive.ubuntu.com trusty/universe Sources [6,399 kB]
Get:10 http://us.archive.ubuntu.com trusty/multiverse Sources [174 kB]
Get:11 http://us.archive.ubuntu.com trusty/main amd64 Packages [1,350 kB]
Hit http://us.archive.ubuntu.com trusty/restricted amd64 Packages
Get:12 http://us.archive.ubuntu.com trusty/universe amd64 Packages [5,859 kB]
Hit http://us.archive.ubuntu.com trusty/multiverse amd64 Packages
Get:13 http://us.archive.ubuntu.com trusty/main i386 Packages [1,348 kB]
Hit http://us.archive.ubuntu.com trusty/restricted i386 Packages
Get:14 http://us.archive.ubuntu.com trusty/universe i386 Packages [5,866 kB]
Get:15 http://us.archive.ubuntu.com trusty/multiverse i386 Packages [134 kB]
Get:16 http://us.archive.ubuntu.com trusty/main Translation-en [762 kB]
Ign http://us.archive.ubuntu.com trusty/main Translation-en_US
Ign http://us.archive.ubuntu.com trusty/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com trusty/restricted Translation-en_US
Ign http://us.archive.ubuntu.com trusty/universe Translation-en_US
Fetched 24.0 MB in 18s (1,269 kB/s)
Reading package lists... Done
W: GPG error: http://us.archive.ubuntu.com trusty Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>