apt-get sometimes displays a message that some packages have been installed automatically and can be removed with apt-get autoremove . This means that a sign is stored somewhere for which reason a particular package was installed.
How to get a list of packages installed by user request, without automatically added dependencies, and, if possible, with the installation date?
using “warm tube” aptitude :
$ aptitude search -F '%p' '!~M ~i' using apt-mark :
$ apt-mark showmanual The start date / time (as well as parameters and many other information) of the apt-get program can be found in the files /var/log/apt/* , the aptitude program in the files /var/log/aptitude* , the dpkg program (you can run manually to install the package from the manually downloaded file) - in the /var/log/dpkg.log* files. which is bad - all these files are rotated and (as far as I remember, but it’s worth clarifying in the logrotate settings) are deleted over time.
additional information:
addition about the date of installation. in general, it is not fixed in the dpkg “database”, but a more or less relevant result can be obtained, for example, by the date of the last modification of the /var/lib/dpkg/info/имя-пакета* (for example, имя-пакета[:архитектура].list containing a list of package files).
When unpacking the archives contained in the file with the package, the dpkg program overwrites the specified files (at least) (for a more accurate algorithm, see the dpkg documentation, or directly in its source codes).
somehow like this:
#!/bin/bash export arch=$(dpkg --print-architecture) dostat() { stat --printf="$1\t%y\n" $2 } apt-mark showmanual | while read p; do if [ -f /var/lib/dpkg/info/$p.list ]; then dostat $p /var/lib/dpkg/info/$p.list elif [ -f /var/lib/dpkg/info/$p:$arch.list ]; then dostat $p /var/lib/dpkg/info/$p:$arch.list else echo $p fi done example output:
2vcard 2010-03-25 11:56:42.000000000 +0300 abcde 2013-07-20 20:50:31.000000000 +0400 abiword 2013-07-20 22:48:50.000000000 +0400 abook 2013-07-20 22:48:51.000000000 +0400 acl 2013-07-20 22:46:20.000000000 +0400 acpi 2013-07-20 20:50:34.000000000 +0400 acpid 2013-07-20 20:50:34.000000000 +0400 adduser 2013-07-20 20:48:04.000000000 +0400 alien 2013-07-20 20:50:38.000000000 +0400 alsa-base 2013-07-20 22:45:48.000000000 +0400 Source: https://ru.stackoverflow.com/questions/539290/
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