I have this error on Linux ubuntu 4.4.0-198-generic #230-Ubuntu SMP Sat Nov 28 01:30:29 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
:
$ sudo apt-get -f install`
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... failed.
The following packages have unmet dependencies:
cpp-6 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
g++-6 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
g++-6-multilib : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
gcc-6 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
gcc-6-multilib : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
lib32asan3 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
lib32cilkrts5 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
lib32gcc-6-dev : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
lib32stdc++-6-dev : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
lib32ubsan0 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
libasan3 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
libc6 : Breaks: libc6:i386 (!= 2.23-0ubuntu11.2) but 2.23-0ubuntu3 is installed
libc6:i386 : Breaks: libc6 (!= 2.23-0ubuntu3) but 2.23-0ubuntu11.2 is installed
libcilkrts5 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
libgcc-6-dev : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
Depends: libgcc1 (>= 1:6.2.0-3ubuntu11~12.04) but 1:6.0.1-0ubuntu1 is installed
libgcc1 : Breaks: libgcc1:i386 (!= 1:6.0.1-0ubuntu1) but 1:9.3.0-10ubuntu2~12.04 is installed
libgcc1:i386 : Breaks: libgcc1 (!= 1:9.3.0-10ubuntu2~12.04) but 1:6.0.1-0ubuntu1 is installed
libstdc++-6-dev : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
Depends: libstdc++6 (>= 6.2.0-3ubuntu11~12.04) but 5.4.0-6ubuntu1~16.04.12 is installed
libstdc++6 : Breaks: libstdc++6:i386 (!= 5.4.0-6ubuntu1~16.04.12) but 9.3.0-10ubuntu2~12.04 is installed
libstdc++6:i386 : Breaks: libstdc++6 (!= 9.3.0-10ubuntu2~12.04) but 5.4.0-6ubuntu1~16.04.12 is installed
libubsan0 : Depends: gcc-6-base (= 6.2.0-3ubuntu11~12.04) but 6.0.1-0ubuntu1 is installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies
I try to update:
$ sudo apt-get install updata
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package updata
$ sudo apt update
Hit:1 http://tw.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://tw.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://tw.archive.ubuntu.com/ubuntu xenial-backports InRelease
Get:4 http://dl.ajaxplorer.info/repos/apt squeeze InRelease [7,126 B]
Err:4 http://dl.ajaxplorer.info/repos/apt squeeze InRelease
The following signatures were invalid: KEYEXPIRED 1530185191
Hit:5 http://security.ubuntu.com/ubuntu xenial-security InRelease
Reading package lists... Done
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: http://dl.ajaxplorer.info/repos/apt/dists/squeeze/InRelease: Signature by key E570B40867757573C52F115D062C7EBC11FFD694 uses weak digest algorithm (SHA1)
W: GPG error: http://dl.ajaxplorer.info/repos/apt squeeze InRelease: The following signatures were invalid: KEYEXPIRED 1530185191
E: The repository 'http://dl.ajaxplorer.info/repos/apt squeeze InRelease' 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.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:47 and /etc/apt/sources.list:54
$ apt-key adv --keyserver pool.sks-keyservers.net --recv-keys E570B40867757573C52F115D062C7EBC11FFD694
Executing: /tmp/tmp.NXrgNdYHtv/gpg.1.sh --keyserver
pool.sks-keyservers.net
--recv-keys
E570B40867757573C52F115D062C7EBC11FFD694
gpg: requesting key 11FFD694 from hkp server pool.sks-keyservers.net
gpg: key 11FFD694: "Charles du Jeu (AjaXplorer Team) <charles@ajaxplorer.info>" not changed
gpg: Total number processed: 1
gpg: unchanged: 1
How can I fix this problem?