sudo apt update
Hit:1 http://repo.mysql.com/apt/ubuntu focal InRelease
Hit:2 http://packages.microsoft.com/repos/edge stable InRelease
Hit:3 http://archive.canonical.com/ubuntu focal InRelease
Hit:4 http://packages.microsoft.com/repos/code stable InRelease
Hit:5 http://ppa.launchpad.net/blaze/rtbth-dkms/ubuntu focal InRelease
Hit:6 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:7 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu focal InRelease
Hit:8 https://debian.neo4j.com stable InRelease
Hit:9 http://ie.archive.ubuntu.com/ubuntu focal InRelease
Hit:10 http://ppa.launchpad.net/gezakovacs/ppa/ubuntu focal InRelease
Get:11 http://ie.archive.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Hit:12 http://ppa.launchpad.net/kisak/kisak-mesa/ubuntu focal InRelease
Hit:13 http://ppa.launchpad.net/linuxuprising/java/ubuntu focal InRelease
Hit:14 https://download.sublimetext.com apt/stable/ InRelease
Hit:15 http://ppa.launchpad.net/lyzardking/ubuntu-make/ubuntu focal InRelease
Hit:16 http://ppa.launchpad.net/mkusb/ppa/ubuntu focal InRelease
Hit:17 http://ppa.launchpad.net/slyon/iwd+nm/ubuntu focal InRelease
Get:18 http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Hit:19 http://ppa.launchpad.net/swi-prolog/stable/ubuntu focal InRelease
Hit:20 http://ppa.launchpad.net/ubuntu-mozilla-daily/firefox-aurora/ubuntu focal InRelease
Fetched 228 kB in 2s (98.1 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up-to-date.
W: Skipping acquisition of configured file 'mysql-5.7/source/Sources', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/binary-amd64/Packages', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/binary-i386/Packages', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/i18n/Translation-en', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/i18n/Translation-en_GB', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/dep11/Components-amd64.yml', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/dep11/icons-48x48.tar', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/dep11/icons-64x64.tar', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/dep11/[email protected]', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'mysql-5.7/cnf/Commands-amd64', as repository 'http://repo.mysql.com/apt/ubuntu focal InRelease' doesn't have the component 'mysql-5.7' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/binary-i386/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/binary-amd64/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/i18n/Translation-en', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/i18n/Translation-en_GB', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/dep11/Components-amd64.yml', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/dep11/icons-48x48.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/dep11/icons-64x64.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/dep11/[email protected]', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'focal-updates/cnf/Commands-amd64', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'focal-updates' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/binary-amd64/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/binary-i386/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/i18n/Translation-en_GB', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/i18n/Translation-en', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/dep11/Components-amd64.yml', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/dep11/icons-48x48.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/dep11/icons-64x64.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/dep11/[email protected]', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'deb-src/cnf/Commands-amd64', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'deb-src' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//binary-i386/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//binary-amd64/Packages', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//i18n/Translation-en_GB', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//i18n/Translation-en', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//dep11/Components-amd64.yml', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//dep11/icons-48x48.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//dep11/icons-64x64.tar', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//dep11/[email protected]', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
W: Skipping acquisition of configured file 'http://archive.ubuntu.com/ubuntu//cnf/Commands-amd64', as repository 'http://ie.archive.ubuntu.com/ubuntu focal-updates InRelease' doesn't have the component 'http://archive.ubuntu.com/ubuntu/' (component misspelt in sources.list?)
$ sudo gedit /etc/apt/sources.list
/etc/apt/sources.list 文件
# deb cdrom:[Ubuntu 20.04.1 LTS _Focal Fossa_ - Release amd64 (20200731)]/ focal main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://ie.archive.ubuntu.com/ubuntu/ focal main restricted
# deb-src http://ie.archive.ubuntu.com/ubuntu/ focal main restricted
## Major bug fix updates produced after the final release of the
## distribution.
# deb-src http://ie.archive.ubuntu.com/ubuntu/ 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-src http://ie.archive.ubuntu.com/ubuntu/ focal
# deb-src http://ie.archive.ubuntu.com/ubuntu/ focal-updates
## 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 http://ie.archive.ubuntu.com/ubuntu/ focal multiverse
# deb-src http://ie.archive.ubuntu.com/ubuntu/ focal
# deb-src http://ie.archive.ubuntu.com/ubuntu/ focal-updates
## 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-src http://ie.archive.ubuntu.com/ubuntu/ focal-backports main restricted
## 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 http://archive.canonical.com/ubuntu focal partner
deb-src http://archive.canonical.com/ubuntu focal partner
deb http://ie.archive.ubuntu.com/ubuntu/ focal-security main restricted
# deb-src http://security.ubuntu.com/ubuntu focal-security main restricted
# deb-src http://security.ubuntu.com/ubuntu focal-security
deb http://ie.archive.ubuntu.com/ubuntu/ focal-security multiverse
# deb-src http://security.ubuntu.com/ubuntu focal-security
# This system was installed using small removable media
# (e.g. netinst, live or single CD). The matching "deb cdrom"
# entries were disabled at the end of the installation process.
# For information about how to configure apt package sources,
# see the sources.list(5) manual.
deb http://ie.archive.ubuntu.com/ubuntu/ focal-updates focal-updates restricted deb-src main http://archive.ubuntu.com/ubuntu/
# deb-src http://archive.ubuntu.com/ubuntu/ focal-updates focal-updates restricted deb-src main universe http://archive.ubuntu.com/ubuntu/