Editing Apt update

{{lowercase}}
* https://manpages.ubuntu.com/manpages/kinetic/man8/apt.8.html

 [[apt update --help]]


 [[apt]] update
 [[apt -qq]] update
 [[apt update -qq]]
 [[apt update -qqq]]
 [[apt update -y]] && [[apt upgrade -y]] > /tmp/apt-upgrade-output 2>&1 &
 [[apt -qq update]] -y && apt -qq upgrade -y
 [[apt -qqq update]] -y && [[apt -qqq upgrade]] -y; [[echo $?]]



 [[apt]] update
 Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
 Hit:2 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
 Hit:3 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
 Hit:4 http://archive.ubuntu.com/ubuntu bionic-security InRelease
 Get:5 https://download.docker.com/linux/ubuntu bionic InRelease [64.4 kB]
 Fetched 64.4 kB in 2s (34.2 kB/s)
 Reading package lists... Done
 Building dependency tree
 Reading state information... Done
 98 packages can be upgraded. Run '[[apt list --upgradable]]' to see them.

 apt update
 Hit:1 http://eu-central-1.ec2.archive.ubuntu.com/ubuntu bionic InRelease
 Get:2 http://eu-central-1.ec2.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
 Get:3 http://eu-central-1.ec2.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
 Get:4 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
 Get:5 http://eu-central-1.ec2.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [2,489 kB]
 Get:6 http://eu-central-1.ec2.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 Packages [24.9 kB]
 Fetched 2,766 kB in 1s (3,199 kB/s)
 Reading package lists... Done
 Building dependency tree
 Reading state information... Done
 [[All packages are up to date]].

 [[apt -qq]] update
 98 packages can be upgraded. Run '[[apt list --upgradable]]' to see them.

 --qq quiet and yes

 apt update > [[/dev/null]]

== [[could not get lock]] ==
 Reading package lists... Done
 E: Could not get lock [[/var/lib/apt/lists/]]lock. It is held by process 34612 (apt-get)
 N: Be aware that removing the lock file is not a solution and may break your system.
 E: Unable to lock directory [[/var/lib/apt/lists/]]

== [[GPG]] error ==
 apt update
 .../...
 Reading package lists... Done
 W: GPG error: http://downloads.linux.hpe.com/SDR/repo/mcp focal/current Release: The following signatures couldn't be verified because the public key is not available: 
 NO_PUBKEY C208ADDE26C2B797
 E: The repository 'http://downloads.linux.hpe.com/SDR/repo/mcp focal/current Release' is not signed.
 N: Updating from such a repository can't be done securely, and is therefore disabled by default.
 N: See [[apt-secure]](8) manpage for repository creation and user configuration details.
 
 Solution:
 A) <code> sudo [[apt-key adv --keyserver]] [[hkp]]://keyserver.ubuntu.com:80 --recv-keys C208ADDE26C2B797</code>
 B) <code>[[deb]] [trusted=yes] http://www.your_not_trustedcert.org jessie main</code>

==  [[The Certificate is NOT trusted]] ==
 touch /etc/apt/apt.conf.d/99verify-peer.conf \
 && echo >>[[/etc/apt/apt.conf.d/]]99verify-peer.conf "Acquire { https::Verify-Peer false }"

== Errors ==
 apt update NO_PACKAGE_AS_ARGUMENT
 E: The update command takes no arguments

 [[N: Skipping acquire of configured file 'main/binary-arm64/Packages' as repository]]

== Related terms ==
* <code>[[apt update]] -y && [[apt upgrade]] -y</code>
* <code>[[apt-file]]</code>
* <code>[[/etc/apt/sources.list]]</code>
* <code>[[brew update]]</code>
* <code>[[apt-get update]]</code>
* <code>[[bg]]</code>
* <code>[[apt autoremove]]</code>
* <code>rm -rf [[/var/lib/apt/lists/]]*</code>
* <code>[[do-release-upgrade]]</code>
* [[sed -Ei]]

== See also ==
* {{apt update}}
* {{APT}}


[[Category:APT]]