I got problem to update my software and i don't understand why?
And my sudo gedit /etc/apt/resources.list
Is below:
See UpgradeNotes - Community Help Wiki for how to upgrade to
newer versions of the distribution.
deb mirrors.dotsrc.org focal main restricted
deb-src mirrors.dotsrc.org focal main restricted
Major bug fix updates produced after the final release of the
distribution.
deb mirrors.dotsrc.org focal-updates main restricted
deb-src mirrors.dotsrc.org focal-updates main restricted
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team. Also, please note that software in universe WILL NOT receive any
review or updates from the Ubuntu security team.
deb mirrors.dotsrc.org focal universe
deb-src mirrors.dotsrc.org focal universe
deb mirrors.dotsrc.org focal-updates universe
deb-src mirrors.dotsrc.org focal-updates universe
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team, and may not be under a free licence. Please satisfy yourself as to
your rights to use the software. Also, please note that software in
multiverse WILL NOT receive any review or updates from the Ubuntu
security team.
deb mirrors.dotsrc.org focal multiverse
deb-src mirrors.dotsrc.org focal multiverse
deb mirrors.dotsrc.org focal-updates multiverse
deb-src mirrors.dotsrc.org focal-updates multiverse
N.B. software from this repository may not have been tested as
extensively as that contained in the main release, although it includes
newer versions of some applications which may provide useful features.
Also, please note that software in backports WILL NOT receive any review
or updates from the Ubuntu security team.
deb mirrors.dotsrc.org focal-backports main restricted universe multiverse
deb-src mirrors.dotsrc.org focal-backports main restricted universe multiverse
Uncomment the following two lines to add software from Canonical's
'partner' repository.
This software is not part of Ubuntu, but is offered by Canonical and the
respective vendors as a service to Ubuntu users.
deb Index of /ubuntu focal partner
deb-src Index of /ubuntu focal partner
deb Index of /ubuntu focal-security main restricted
deb-src Index of /ubuntu focal-security main restricted
deb Index of /ubuntu focal-security universe
deb-src Index of /ubuntu focal-security universe
deb Index of /ubuntu focal-security multiverse