5 Aug
2020
5 Aug
'20
2:21 a.m.
Somewhat on a whim, I’m trying to figure out what laptop packages I can remove
from my desktop. Having already removed touchpad-indicator, I came across
klaptopdaemon-trinity as a good candidate.
# aptitude search '~d laptop'
i A klaptopdaemon-trinity - battery monitoring and management for laptops
using TDE
So, did a dry run, and it wants to remove all of TDE from the computer.
(output below)
So, uhm, what am I missing here? TDE isn’t really dependent on a laptop
daemon, right? My desktop does not need that package, right? What’s the
proper command to remove it?
Thanks, Best,
Michael
michael@local [~/data/trash]# apt-get purge --dry-run klaptopdaemon-trinity
NOTE: This is only a simulation!
apt-get needs root privileges for real execution.
Keep also in mind that locking is deactivated,
so don't depend on the relevance to the real current situation!
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity artsbuilder-trinity atlantik-trinity
atlantikdesigner-trinity blinken-trinity dcoprss-trinity edict
eyesapplet-trinity fifteenapplet-trinity fonts-dustin indi-trinity
juk-trinity kaboodle-trinity kaddressbook-plugins-trinity
kaddressbook-trinity kalarm-trinity kalzium-data-trinity kalzium-trinity
kanagram-trinity kandy-trinity kanjidic
kappfinder-trinity karm-trinity kasteroids-trinity kate-plugins-trinity
kate-trinity katomic-trinity kaudiocreator-trinity
kbackgammon-trinity kbattleship-trinity kblackbox-trinity kbounce-trinity
kbruch-trinity kbstate-trinity kcalc-trinity
kcharselect-trinity kcoloredit-trinity kcron-trinity kdat-trinity
kdf-trinity kdict-trinity kdvi-trinity kedit-trinity
keduca-trinity kenolaba-trinity kfax-trinity kfaxview-trinity
kfloppy-trinity kfouleggs-trinity kgamma-trinity
kgeography-data-trinity kgeography-trinity kget-trinity kgoldrunner-trinity
kgpg-trinity khangman-trinity khexedit-trinity
kig-trinity kimagemapeditor-trinity kitchensync-trinity kiten-trinity
kjots-trinity kjumpingcube-trinity klatin-trinity
kleopatra-trinity klettres-data-trinity klettres-trinity klickety-trinity
klines-trinity klinkstatus-trinity klipper-trinity
kmag-trinity kmahjongg-trinity kmail-trinity kmailcvt-trinity
kmenuedit-trinity kmilo-trinity kmines-trinity kmix-trinity
kmoon-trinity kmousetool-trinity kmouth-trinity kmplot-trinity kmrml-trinity
knetwalk-trinity knetworkconf-trinity
knewsticker-trinity knode-trinity kodo-trinity kolf-trinity
kolourpaint-trinity kommander-trinity konquest-trinity
konsolekalendar-trinity kontact-trinity kooka-trinity kopete-trinity
korn-trinity kpackage-trinity kpat-trinity
kpercentage-trinity kpf-trinity kpoker-trinity kpovmodeler-trinity
kppp-trinity krdc-trinity krec-trinity
kregexpeditor-trinity kreversi-trinity krfb-trinity kruler-trinity
ksame-trinity ksayit-trinity kscd-trinity kshisen-trinity
ksig-trinity ksim-trinity ksirc-trinity ksirtet-trinity ksmiletris-trinity
ksnake-trinity ksnapshot-trinity ksokoban-trinity
kspaceduel-trinity kstars-data-trinity kstars-trinity ksysguard-trinity
ksysguardd-trinity ksysv-trinity kteatime-trinity
ktimer-trinity ktip-trinity ktnef-trinity ktouch-trinity ktron-trinity
kttsd-trinity ktuberling-trinity kturtle-trinity
ktux-trinity kuser-trinity kverbos-trinity kview-trinity kviewshell-trinity
kvoctrain-trinity kweather-trinity
kwifimanager-trinity kwordquiz-trinity kworldclock-trinity kxsldbg-trinity
libarts1-audiofile-trinity libarts1-mpeglib-trinity
libarts1-xine-trinity libboost-python1.67.0 libdb5.3++ libgadu3
libindex0-trinity libkgantt0-trinity libkiten1-trinity
libkscan1-trinity libksieve0-trinity libmeanwhile1 libmimelib1c2a-trinity
libopensync0 libpoppler-tqt librss1-trinity libslp1
libtdeedu3-trinity libtdegames1-trinity libtidy5deb1 libtqca libva-glx2
libxine2 libxine2-bin libxine2-ffmpeg
libxine2-misc-plugins libxine2-plugins libxine2-x lskat-trinity
mpeglib-trinity noatun-plugins-trinity noatun-trinity
quanta-data-trinity quanta-trinity superkaramba-trinity tde-core-trinity
tdeaccessibility-trinity
tdeaddons-tdefile-plugins-trinity tdeaddons-trinity
tdeadmin-tdefile-plugins-trinity tdeadmin-trinity
tdeartwork-emoticons-trinity tdeartwork-misc-trinity
tdeartwork-style-trinity tdeartwork-theme-icon-trinity
tdeartwork-theme-window-trinity tdeartwork-trinity tdebase-trinity
tdednssd-trinity tdeedu-data-trinity tdeedu-trinity
tdefilereplace-trinity tdegames-card-data-trinity tdegames-trinity
tdegraphics-tdefile-plugins-trinity tdegraphics-trinity
tdeiconedit-trinity tdelibs-trinity tdelirc-trinity tdemid-trinity
tdemultimedia-kappfinder-data-trinity
tdemultimedia-tdefile-plugins-trinity tdemultimedia-trinity
tdenetwork-tdefile-plugins-trinity tdenetwork-trinity
tdepasswd-trinity tdepim-tdefile-plugins-trinity
tdepim-tdeio-plugins-trinity tdepim-trinity tdepim-wizards-trinity
tdeprint-trinity tdescreensaver-trinity tdessh-trinity tdetoys-trinity
tdewalletmanager-trinity tdewallpapers-trinity
tdewebdev-trinity texlive-fonts-recommended tidy ttf-sjfonts twin4-trinity
xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
Purg tde-trinity [4:14.0.8-0debian10.0.0+0]
Purg tdeutils-trinity [4:14.0.8-0debian10.0.0+0]
Purg klaptopdaemon-trinity [4:14.0.8-0debian10.0.0+0]
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5 Aug
5 Aug
2:57 a.m.
On Tuesday 04 August 2020 09:21:23 pm Michael wrote:
Somewhat on a whim, I’m trying to figure out what
laptop packages I can
remove from my desktop. Having already removed touchpad-indicator, I came
across klaptopdaemon-trinity as a good candidate.
# aptitude search '~d laptop'
i A klaptopdaemon-trinity - battery monitoring and management for laptops
using TDE
So, did a dry run, and it wants to remove all of TDE from the computer.
(output below)
So, uhm, what am I missing here? TDE isn’t really dependent on a laptop
daemon, right? My desktop does not need that package, right? What’s the
proper command to remove it?
Thanks, Best,
Michael
Now I'm replying to myself... It seems any TDE app does this, just did a dry
run on kbounce-trinity, it did the same thing.
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3:36 a.m.
On Tuesday 04 August 2020 19:57:41 Michael wrote:
On Tuesday 04 August 2020 09:21:23 pm Michael wrote:
I wonder, if you did a fresh install and named exactly the packages you
wanted, would you still get these packages installed? I say this because I
suspect they might have been installed by some metapackage -- TDE games, or
what not.
Myself, I just learned to ignore those items that I don't use. It's there, but
it doesn't get in my way. I do seem to remember a time, though, when I could
get rid of laptop packages, games, and all the other stuff I don't use, but
now they can't be uninstalled.
So I am just guessing that something has changed over the years, so that these
packages are all tied to some metapackage.
Bill
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Somewhat on a whim, I’m trying to figure out what
laptop packages I can
remove from my desktop. Having already removed touchpad-indicator, I
came across klaptopdaemon-trinity as a good candidate.
# aptitude search '~d laptop'
i A klaptopdaemon-trinity - battery monitoring and management for
laptops using TDE
So, did a dry run, and it wants to remove all of TDE from the computer.
(output below)
So, uhm, what am I missing here? TDE isn’t really dependent on a laptop
daemon, right? My desktop does not need that package, right? What’s the
proper command to remove it?
Thanks, Best,
Michael
Now I'm replying to myself... It seems any TDE app does this, just did a
dry run on kbounce-trinity, it did the same thing.
7:25 a.m.
On Wednesday 05 August 2020 05.36:12 William Morder via trinity-users wrote:
I think that the standard install (tde-trinity I think in the case of Debian)
is such a metapackage.
Although I doubt one wins a lot of space, you can rename files
in /opt/trinity/bin, then delete them if there is no problem. I did this for
tderandrtray that kept poping useless messages, as well as kaboodle and noatun
that I don't use and don't want.
I tried this method several time on Windows also, deleting "system software"
from another system - sometimes with devastating results...
Thierry
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Now I'm
replying to myself... It seems any TDE app does this, just did a
dry run on kbounce-trinity, it did the same thing.
I wonder, if you did a fresh install and named exactly the packages you
wanted, would you still get these packages installed? I say this because I
suspect they might have been installed by some metapackage 
7:25 a.m.
Anno domini 2020 Tue, 4 Aug 21:57:41 -0500
Michael scripsit:
On Tuesday 04 August 2020 09:21:23 pm Michael wrote:
The problem are the metapackage dependecies: If you have installed TDE using the
"root" meta package, removal of any package in the TDE package tree will trigger
the removal of all patent packages which resolves in the removal of all TDE packages.
You'll have to mark all meta packages as "manual" and also all packages that
were pulled in from the parent meta package of the package you want to remove. It would
help if all meta packages were marked as such, but ... well ... time is short.
Nik
Somewhat on a whim, I’m trying to figure out what
laptop packages I can
remove from my desktop. Having already removed touchpad-indicator, I came
across klaptopdaemon-trinity as a good candidate.
# aptitude search '~d laptop'
i A klaptopdaemon-trinity - battery monitoring and management for laptops
using TDE
So, did a dry run, and it wants to remove all of TDE from the computer.
(output below)
So, uhm, what am I missing here? TDE isn’t really dependent on a laptop
daemon, right? My desktop does not need that package, right? What’s the
proper command to remove it?
Thanks, Best,
Michael
Now I'm replying to myself... It seems any TDE app does this, just did a dry
run on kbounce-trinity, it did the same thing.
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3:42 a.m.
Michael composed on 2020-08-04 21:21 (UTC-0500):
Somewhat on a whim, I’m trying to figure out what
laptop packages I can remove
from my desktop.
# inxi -S
System: Host: gx745 Kernel: 4.19.0-10-amd64 x86_64 bits: 64 Desktop: Trinity R14.0.9
Distro: Debian GNU/Linux 10 (buster)
# cat /etc/apt/apt.conf.d/00InstallRecommends
APT::Install-Recommends "false";
# dpkg -l | grep lapt
ii laptop-detect 0.16 all system chassis type checker
I doubt my 14.0.8 installations would differ except in versions.
--
Evolution as taught in public schools, like religion,
is based on faith, not on science.
Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
Felix Miata *** http://fm.no-ip.com/
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7:10 a.m.
New subject: [trinity-users] Re: Purging non needed TDE packages
Michael wrote:
michael@local [~/data/trash]# apt-get purge --dry-run
klaptopdaemon-trinity NOTE: This is only a simulation!
apt-get needs root privileges for real execution.
Keep also in mind that locking is deactivated,
so don't depend on the relevance to the real current situation!
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity artsbuilder-trinity atlantik-trinity
Your description was confusing. You said that when trying to remove
klaptopdaemon-trinity, it wants to remove other packages as if they would
depend on it.
In fact the message says that they were automatically installed and are not
needed. This is because you removed the meta package.
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7:34 a.m.
Dear Michael,
Am Mittwoch 05 August 2020 schrieb Michael:
So, uhm, what am I missing here? TDE isn’t really
dependent on a
laptop daemon, right? My desktop does not need that package, right?
you're using apt-get, so I'm assuming you are on a debian-based system.
This command tells you the dependencies which caused a package to be
installed:
$ aptitude why klaptopdaemon-trinity
i desktop-base-trinity Suggests tde-trinity
p tde-trinity Depends tdeutils-trinity (>= 4:14.0.0~)
p tdeutils-trinity Depends klaptopdaemon-trinity (>= 4:14.0.8-0debian8.0.0+0)
tdeutils-trinity is a meta-package which gets removed because it
depends on klaptopdaemon-trinity.
This command tells you the dependencies of a package:
$ aptitude search "?reverse-depends(tdeutils-trinity)"
i ark-trinity - graphical archiving tool for Trinity
i kcalc-trinity - calculator for Trinity
p kcharselect-trinity - character selector for Trinity
i kdf-trinity - disk space utility for Trinity
i kedit-trinity - basic text editor for Trinity
p kfloppy-trinity - floppy formatter for TDE
i kgpg-trinity - GnuPG frontend for Trinity
i khexedit-trinity - Trinity hex editor
p kjots-trinity - note taking utility for Trinity
p klaptopdaemon-trinity - battery monitoring and management for
laptops using
p kmilo-trinity - laptop special keys support for Trinity
i kregexpeditor-trinity - graphical regular expression editor plugin
for Trini
p ksim-trinity - system information monitor for Trinity
p ktimer-trinity - timer utility for Trinity
p superkaramba-trinity - a program based on karamba improving the
eyecandy of
p tdelibs-trinity-dbg - debugging symbols for tdelibs
p tdelibs14-trinity-dev - development files for the TDE core
libraries
p tdelirc-trinity - infrared control for Trinity
i tdessh-trinity - ssh frontend for Trinity
i tdewalletmanager-trinity - wallet manager for Trinity
What’s the proper command to remove it?
I don't know how to do it with apt-get, maybe someone else does in case
it is possible.
Generally, you need to remove the meta-package tdeutils-trinity which
depends on klaptopdaemon-trinity and keep the other packages on which
tdeutils-trinity depends to only remove klaptopdaemon-trinity.
I think there are different ways to achieve that. One I prefer to go
in such cases utilises aptitude. With this tool you can interactively
resolve the dependencies.
Or, you can mark all packages on which tdeutils-trinity depends and which
you want to keep as manually installed and then remove tdeutils-trinity
and klaptopdaemon-trinity.
HTH
Kind regards,
Stefan
michael@local [~/data/trash]# apt-get purge --dry-run
klaptopdaemon-trinity NOTE: This is only a simulation!
apt-get needs root privileges for real execution.
Keep also in mind that locking is deactivated,
so don't depend on the relevance to the real current situation!
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer
required:
etc.
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
Purg tde-trinity [4:14.0.8-0debian10.0.0+0]
Purg tdeutils-trinity [4:14.0.8-0debian10.0.0+0]
Purg klaptopdaemon-trinity [4:14.0.8-0debian10.0.0+0]
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7:46 a.m.
Anno domini 2020 Wed, 5 Aug 09:34:23 +0200
Stefan Krusche scripsit:
Dear Michael,
Am Mittwoch 05 August 2020 schrieb Michael:
For the curious: # apt-mark manual ....
Maybe it would be a good idea for metapackages to ste the parent metapackagew as
"optional"?
Nik
So, uhm, what am I missing here? TDE isn’t
really dependent on a
laptop daemon, right? My desktop does not need that package, right?
you're using apt-get, so I'm assuming you are on a debian-based system.
This command tells you the dependencies which caused a package to be
installed:
$ aptitude why klaptopdaemon-trinity
i desktop-base-trinity Suggests tde-trinity
p tde-trinity Depends tdeutils-trinity (>= 4:14.0.0~)
p tdeutils-trinity Depends klaptopdaemon-trinity (>= 4:14.0.8-0debian8.0.0+0)
tdeutils-trinity is a meta-package which gets removed because it
depends on klaptopdaemon-trinity.
This command tells you the dependencies of a package:
$ aptitude search "?reverse-depends(tdeutils-trinity)"
i ark-trinity - graphical archiving tool for Trinity
i kcalc-trinity - calculator for Trinity
p kcharselect-trinity - character selector for Trinity
i kdf-trinity - disk space utility for Trinity
i kedit-trinity - basic text editor for Trinity
p kfloppy-trinity - floppy formatter for TDE
i kgpg-trinity - GnuPG frontend for Trinity
i khexedit-trinity - Trinity hex editor
p kjots-trinity - note taking utility for Trinity
p klaptopdaemon-trinity - battery monitoring and management for
laptops using
p kmilo-trinity - laptop special keys support for Trinity
i kregexpeditor-trinity - graphical regular expression editor
plugin for Trini
p ksim-trinity - system information monitor for Trinity
p ktimer-trinity - timer utility for Trinity
p superkaramba-trinity - a program based on karamba improving the
eyecandy of
p tdelibs-trinity-dbg - debugging symbols for tdelibs
p tdelibs14-trinity-dev - development files for the TDE core
libraries
p tdelirc-trinity - infrared control for Trinity
i tdessh-trinity - ssh frontend for Trinity
i tdewalletmanager-trinity - wallet manager for Trinity
What’s the proper command to remove it?
I don't know how to do it with apt-get, maybe someone else does in case
it is possible.
Generally, you need to remove the meta-package tdeutils-trinity which
depends on klaptopdaemon-trinity and keep the other packages on which
tdeutils-trinity depends to only remove klaptopdaemon-trinity.
I think there are different ways to achieve that. One I prefer to go
in such cases utilises aptitude. With this tool you can interactively
resolve the dependencies.
Or, you can mark all packages on which tdeutils-trinity depends and which
you want to keep as manually installed and then remove tdeutils-trinity
and klaptopdaemon-trinity.
HTH
Kind regards,
Stefan
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michael@local [~/data/trash]# apt-get purge
--dry-run
klaptopdaemon-trinity NOTE: This is only a simulation!
apt-get needs root privileges for real execution.
Keep also in mind that locking is deactivated,
so don't depend on the relevance to the real current situation!
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer
required:
etc.
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
Purg tde-trinity [4:14.0.8-0debian10.0.0+0]
Purg tdeutils-trinity [4:14.0.8-0debian10.0.0+0]
Purg klaptopdaemon-trinity [4:14.0.8-0debian10.0.0+0]
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3:40 p.m.
{snip all}
Hi Stefan, Nik, et al.,
Thank you for the replies. While it still bothers me why I can’t figure out
how to get apt to do what I want, it was mostly a whim, with some slight
security considerations, so I think I’m giving up. As pointed out, it’s just
a bit of space on the drive.
I tried apt-mark manual, but removing klaptopdaemon-trinity still wants to
remove tde-trinity and tdeutils-trinity (output at bottom).
Maybe it would be a good idea for packages to set the
parent metapackage
as "optional?"
Possibly this is the issue? But I’m not familiar enough with the package
management system to grok how to ‘fix’ it so that you can install tde-trinity
and then be able to remove one of its components without apt trying to remove
all of its components.
Possibly it’s not achievable?
Unless there is a way from a user perspective, closing the whole dependency
thing with ‘not doable.’
Best All,
Michael
root@local [~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.
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3:44 p.m.
Anno domini 2020 Wed, 5 Aug 10:40:47 -0500
Michael scripsit:
{snip all}
Hi Stefan, Nik, et al.,
Thank you for the replies. While it still bothers me why I can’t figure out
how to get apt to do what I want, it was mostly a whim, with some slight
security considerations, so I think I’m giving up. As pointed out, it’s just
a bit of space on the drive.
I tried apt-mark manual, but removing klaptopdaemon-trinity still wants to
remove tde-trinity and tdeutils-trinity (output at bottom).
The metapackgs can be removed without any problem.
Maybe it would be a good idea for packages to set
the parent metapackage
as "optional?"
Possibly this is the issue? But I’m not familiar enough with the package
management system to grok how to ‘fix’ it so that you can install tde-trinity
and then be able to remove one of its components without apt trying to remove
all of its components.
Possibly it’s not achievable?
Unless there is a way from a user perspective, closing the whole dependency
thing with ‘not doable.’
Best All,
Michael
root@local [~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.
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4:15 p.m.
On Wednesday 05 August 2020 10:44:30 am Dr. Nikolaus Klepp wrote:
Anno domini 2020 Wed, 5 Aug 10:40:47 -0500
Michael scripsit:
Yes and no... They have a function. In this case it’s to be the metapackage
for TDE as a whole, so if any new packages get added they get automagically
pulled in. Granted that’d be rare for TDE, but in the case of mx-apps (same
issue, different app), it is present to push out new mx-tools if one comes
along.
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{snip all}
Hi Stefan, Nik, et al.,
Thank you for the replies. While it still bothers me why I can’t figure
out how to get apt to do what I want, it was mostly a whim, with some
slight security considerations, so I think I’m giving up. As pointed
out, it’s just a bit of space on the drive.
I tried apt-mark manual, but removing klaptopdaemon-trinity still wants
to remove tde-trinity and tdeutils-trinity (output at bottom).
The metapackgs can be removed without any problem. Maybe it would be a good idea for packages to set
the parent
metapackage
as "optional?"
Possibly this is the issue? But I’m not familiar enough with the package
management system to grok how to ‘fix’ it so that you can install
tde-trinity and then be able to remove one of its components without apt
trying to remove all of its components.
Possibly it’s not achievable?
Unless there is a way from a user perspective, closing the whole
dependency thing with ‘not doable.’
Best All,
Michael
root@local [~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort. 
5:29 p.m.
Dne st 5. srpna 2020 Dr. Nikolaus Klepp napsal(a):
Metapackages are good at installation, but poor servant during the removal
of individual packages.
For metapackages to work well for installation, there is a need for a hard
dependency - Depends. If a looser dependency - Recomends - were used, the
result could be that virtually nothing would be installed when the default
apt setting is "without recommends". And here is the beginning of the
problem. If a user wants to remove a package that is referenced by a
metapackage, this will cause the metapackage to break => leads to its
uninstallation and thus to the uninstallation of all other packages
referenced by the metapackage.
Therefore, before removing a metapackage, all referenced packages need to
be switched to "manual" so that they are retained even if the metapackage
is removed. This is more difficult to do manually with commands - it's
much easier to use aptitude.
And that's exactly why we like aptitude. Aptitude is much more powerful and
skillful than Synaptic. And just as useful as apt-get / apt-cache /
apt-<something> or apt.
Cheers
--
Slávek
root@local
[~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.
The metapackgs can be removed without any problem.
5:34 p.m.
Anno domini 2020 Wed, 5 Aug 19:29:49 +0200
Slávek Banko scripsit:
Dne st 5. srpna 2020 Dr. Nikolaus Klepp napsal(a):
Metapackages are good at installation, but poor servant during the removal
of individual packages.
For metapackages to work well for installation, there is a need for a hard
dependency - Depends. If a looser dependency - Recomends - were used, the
result could be that virtually nothing would be installed when the default
apt setting is "without recommends". And here is the beginning of the
problem. If a user wants to remove a package that is referenced by a
metapackage, this will cause the metapackage to break => leads to its
uninstallation and thus to the uninstallation of all other packages
referenced by the metapackage.
Therefore, before removing a metapackage, all referenced packages need to
be switched to "manual" so that they are retained even if the metapackage
is removed. This is more difficult to do manually with commands - it's
much easier to use aptitude.
How do you do that with aptitude?
nik
root@local [~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no longer
required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.
The metapackgs can be removed without any problem.
And that's exactly why we like aptitude. Aptitude is much more powerful and
skillful than Synaptic. And just as useful as apt-get / apt-cache /
apt-<something> or apt.
Cheers
--
Please do not email me anything that you are not comfortable also sharing with the NSA,
CIA ...
---------------------------------------------------------------------
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5:44 p.m.
Dne st 5. srpna 2020 Dr. Nikolaus Klepp napsal(a):
Anno domini 2020 Wed, 5 Aug 19:29:49 +0200
Slávek Banko scripsit:
In aptitude you can "enter" the metapackage using the Enter key, move to
depends and then press "m". This will switch all packages in the list
to "manual".
At the same time, there is an 'overview step' in aptitude before performing
both installation and uninstallation - after pressing 'g'. There it is
possible to notice the situation and make changes in the selection of
packages. Alternatively, go back - by pressing 'q' and continue
selecting / deselecting packages.
Dne st 5. srpna 2020 Dr. Nikolaus Klepp
napsal(a):
Metapackages are good at installation, but poor servant during the
removal of individual packages.
For metapackages to work well for installation, there is a need for a
hard dependency - Depends. If a looser dependency - Recomends - were
used, the result could be that virtually nothing would be installed
when the default apt setting is "without recommends". And here is the
beginning of the problem. If a user wants to remove a package that is
referenced by a metapackage, this will cause the metapackage to break
=> leads to its uninstallation and thus to the uninstallation of all
other packages referenced by the metapackage.
Therefore, before removing a metapackage, all referenced packages need
to be switched to "manual" so that they are retained even if the
metapackage is removed. This is more difficult to do manually with
commands - it's much easier to use aptitude.
How do you do that with aptitude?
root@local [~]# apt-mark manual tde-trinity tdeutils-trinity
tde-trinity was already set to manually installed.
tdeutils-trinity set to manually installed.
root@local [~]# apt-get purge klaptopdaemon-trinity
{snip}
The following packages were automatically installed and are no
longer required:
amor-trinity arts-trinity {snip} twin4-trinity xcalib
Use 'apt autoremove' to remove them.
The following packages will be REMOVED:
klaptopdaemon-trinity* tde-trinity* tdeutils-trinity*
0 upgraded, 0 newly installed, 3 to remove and 3 not upgraded.
After this operation, 840 kB disk space will be freed.
Do you want to continue? [Y/n] n
Abort.
The metapackgs can be removed without any problem. nik
> And that's exactly why we like aptitude. Aptitude is much more
> powerful and skillful than Synaptic. And just as useful as apt-get /
> apt-cache / apt-<something> or apt.
>
> Cheers
Cheers
--
Slávek
6:35 p.m.
On Wednesday 05 August 2020 12:44:04 pm Slávek Banko wrote:
Dne st 5. srpna 2020 Dr. Nikolaus Klepp napsal(a):
Thank you Slávek!
I've never used aptitude interactively (or even knew you could). That
definitely makes life easier.
Doesn’t fix my, “I want my cake and eat it too” package thoughts, but that’s
mostly from my not understanding how the package management system handles
dependencies. If I get it, to do what I want, then tde-trinity (and I guess
every other TDE metapackage) would need everything in depends moved to
recommends and the install instructions changed to:
aptitude install --install-recommends tde-trinity
Since that’s not done, there’s more than likely issues doing it that way
(besides just messing up legitimate recommends). I’m sure I’m not the first
person who wanted to keep the metapackage after removing one of its
components.
My cake is pretty, my cake is yummy! Why can’t I eat it and have it too?
Typical User,
Michael
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Anno domini 2020 Wed, 5 Aug 19:29:49 +0200
In aptitude you can "enter" the metapackage using the Enter key, move to
depends and then press "m". This will switch all packages in the list
to "manual".
At the same time, there is an 'overview step' in aptitude before performing
both installation and uninstallation - after pressing 'g'. There it is
possible to notice the situation and make changes in the selection of
packages. Alternatively, go back - by pressing 'q' and continue
selecting / deselecting packages. Metapackages are good at installation, but poor
servant during the
removal of individual packages.
For metapackages to work well for installation, there is a need for a
hard dependency - Depends. If a looser dependency - Recomends - were
used, the result could be that virtually nothing would be installed
when the default apt setting is "without recommends". And here is the
beginning of the problem. If a user wants to remove a package that is
referenced by a metapackage, this will cause the metapackage to break
=> leads to its uninstallation and thus to the uninstallation of all
other packages referenced by the metapackage.
Therefore, before removing a metapackage, all referenced packages need
to be switched to "manual" so that they are retained even if the
metapackage is removed. This is more difficult to do manually with
commands - it's much easier to use aptitude.
How do you do that with aptitude?
1372
days inactive
1372
days old
15 comments
8 participants
participants (8)
-
deloptes -
Dr. Nikolaus Klepp -
Felix Miata -
Michael -
Slávek Banko -
Stefan Krusche -
Thierry de Coulon -
William Morder via trinity-users