deb http://dell.archive.canonical.com/updates/ focal-dell public # deb-src http://dell.archive.canonical.com/updates/ focal-dell public deb http://dell.archive.canonical.com/updates/ focal-oem public # deb-src http://dell.archive.canonical.com/updates/ focal-oem public deb http://dell.archive.canonical.com/updates/ focal-somerville public # deb-src http://dell.archive.canonical.com/updates/ focal-somerville public deb http://dell.archive.canonical.com/updates/ focal-somerville-melisa public # deb-src http://dell.archive.canonical.com/updates focal-somerville-melisa public #sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys F9FDA6BED73CDC22

apt-mark showmanual

deb http://www.ubnt.com/downloads/unifi/debian stable ubiquiti

sudo apt-add-repository ppa:gnome3-team/gnome3 sudo apt-add-repository ppa:gnome3-team/gnome3-staging sudo apt-get update sudo apt-get dist-upgrade

google-chrome-stable

sudo rm /var/lib/apt/lists/* -vf sudo apt-get clean sudo apt-get autoremove sudo apt-get update sudo apt-get dist-upgrade

1) Modify /usr/lib/python2.4/site-packages/grub/GrubConf.py on the XenServer machine 2) Line 428, change: if arg.strip() == "${saved_entry}" or arg.strip() == "${next_entry}":

apt-get install build-essential