Chroot Ubuntu Upgrade 14.04 Invalid?
112536
Upgrading Ubuntu chroot environment?
3969
Can't login to Ubuntu 14.04 after upgrade
150894
What is the chroot command used for when resetting a password in RHEL/CentOS 7?
94229
How to resolve hostnames in chroot?
76241
"no public key available" while upgrading using update-manager
20710
Apt update fails at chrome stable main: "File has unexpected size (1103 != 1104). Mirror sync in progress?"
7111
chkrootkit says /sbin/init is infected, what does that mean?
118978
Not all updates can be installed: partial upgrade
58931
16.04 Upgrade: Failed to fetch Empty files can't be valid archives
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
129101
Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
120436
Point Release upgrade from 14.04.1 to 14.04.2?
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
12614
Upgrade problem
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
124252
chpasswd apply changes in the chroot directory