Difference between revisions of "Devuan Trinity Repository Installation Instructions"

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[[Category:Documentation]]
  
[[Category:Documentation]]
 
[[Category:Installation]]
  
[[Category:Installation]]
  +
−
This page provides instructions on how to install or upgrade Trinity Desktop Environment on your Devuan system.
  
  +
This page provides instructions on how to '''install''', '''upgrade''' or '''remove''' Trinity Desktop Environment on Devuan systems.
 
__FORCETOC__
  
__FORCETOC__
−
==Available versions and architectures==
  
   
  +
=Available versions=
  +
  +
==TDE R14.x.y series==
   
−
===R14.0.x series===
 +
===Stable versions===
   
−
Official TDE packages are available for the following versions of Devuan:
 +
Packages for stable versions are available for the following Devuan distributions (green rows indicates latest version):
   
  +
{| class="wikitable"
−
* 4.x - chimaera : amd64, i386, ppc64el, arm64, armhf
 
  +
! Version
−
* 3.x - beowulf : amd64, i386, ppc64el, arm64, armhf, armel
  
  +
! Architectures
−
* 2.x - ascii: amd64, i386, ppc64el, arm64, armhf, armel
  
  +
! Notes
−
* 1.x - jessie: amd64, i386, ppc64el, arm64, armhf, armel (up to R14.0.11 only)
  
  +
|-style="background:lightgreen"
  +
| 5.x - daedalus
  +
| amd64, i386, ppc64el, arm64, armhf
  +
|
  +
|-style="background:lightgreen"
  +
| 4.x - chimaera
  +
| amd64, i386, ppc64el, arm64, armhf
  +
|
  +
|-style="background:lightgreen"
  +
| 3.x - beowulf
  +
| amd64, i386, ppc64el, arm64, armhf
  +
|
  +
|-
  +
|
  +
| armel
  +
| up to R14.0.13
  +
|-
  +
| 2.x - ascii
  +
| amd64, i386, ppc64el, arm64, armhf
  +
| up to R14.1.1
  +
|-
  +
|
  +
| armel
  +
| up to R14.0.13
  +
|-
  +
| 1.x - jessie
  +
| amd64, i386, ppc64el, arm64, armhf, armel
  +
| up to R14.0.11
  +
|}
   
  +
===Rolling versions===
   
−
Additionally, unofficial but well-trusted rolling-release packages are available for Devuan ''ascii'' and all later versions, i.e., including 5.x (''daedalus'') and ''ceres'':
 +
Rolling builds are available for a broader set of versions, including <span style="color:#0000ff">daedalus</span> and <span style="color:#0000ff">ceres</span>.
   
 
* [[Preliminary_Stable_Builds|Preliminary Stable Builds]] - rolling-release version of the current stable branch (maintenance releases)
  
* [[Preliminary_Stable_Builds|Preliminary Stable Builds]] - rolling-release version of the current stable branch (maintenance releases)
 
* [[Preliminary_Testing_Builds|Preliminary Testing Builds]] - rolling-release version of the main development branch (major/minor releases)
  
* [[Preliminary_Testing_Builds|Preliminary Testing Builds]] - rolling-release version of the main development branch (major/minor releases)
   
  +
==v3.5.13.2==
−
These packages are built and maintained by Slávek Banko.
  
−  
−
===v3.5.13.2===
  
   
 
There is no support for this TDE version in Devuan.
  
There is no support for this TDE version in Devuan.
   
−
==Configure the package manager==
 +
=Configuring the package manager=
   
−
Add the following lines to your /etc/apt/sources.list file.
+
Add the following lines to your <tt>/etc/apt/sources.list</tt> file.
   
  +
{{WarningBox
−
'''NOTE 1''': make sure to replace <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> with your actual distribution name (for example 'beowulf')
  
  +
|text=Make sure to replace <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> with your actual distribution release name (for example 'beowulf' or 'chimaera')
  +
}}
   
  +
===TDE R14.1.x series===
−
'''NOTE 2''': deb-src lines following are optional.
  
  +
<syntaxhighlight lang="sourceslist">
  +
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.1.x <your-distribution-release-name> main deps
   
  +
# Optional sources
−
'''TDE R14.0.x series'''
  
−
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> main
 +
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.1.x <your-distribution-release-name> main deps
  +
</syntaxhighlight>
−
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> main
  
−
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> main
  
−
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <span style="color:#ff0000">'''<your-distribution-release-name>'''</span> main
  
   
  +
<div class="mw-collapsible mw-collapsed">
−
==Import GPG signing key==
  
  +
===TDE R14.0.x series===
  +
<div class="mw-collapsible-content">
  +
<syntaxhighlight lang="sourceslist">
  +
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <your-distribution-release-name> main
  +
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <your-distribution-release-name> main
   
  +
# Optional sources
−
The best way to install GPG key is to manually download and install package <code>trinity-keyring</code>. The advantage is that this method of installation is not dependent on the availability of the key server. Another advantage is that the key is not integrated into the global apt keyring, but is installed as a separate file:
  
  +
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <your-distribution-release-name> main
  +
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <your-distribution-release-name> main
  +
</syntaxhighlight>
  +
</div></div>
  +
  +
==Importing the package signing key==
  +
  +
The best way to import TDE's package signing key is to manually download and install the package <code>trinity-keyring</code>. The advantage is that this method of installation is not dependent on the availability of a key server. Another advantage is that the key is not integrated into the global apt keyring, but is installed as a separate file:
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
−
$ wget http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-keyring.deb
 +
$ wget https://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-keyring.deb
 
$ sudo dpkg -i trinity-keyring.deb
  
$ sudo dpkg -i trinity-keyring.deb
 
</syntaxhighlight>
  
</syntaxhighlight>
   
−
==Install Trinity==
 +
=Installing Trinity=
  +
* If you are doing a '''fresh TDE installation''', please follow the steps listed below.<br>
  +
* If you are '''upgrading''' from an existing version, please follow the instruction under the [[#TDEUpgrade|upgrading]] section.<br>
   
−
===Fresh R14.0.x installation===
 +
==Fresh installation==
   
−
The following steps are suggested for installing the latest R14.0.x version. If you want to upgrade from an older R14.0.x version, please follow the instructions in the [[#Upgrading from an existing R14.0.x installation|next section]].
 +
The following steps are suggested for installing the latest version. If you
   
  +
{{WarningBox
−
'''NOTE''': <span style="color:#0000ff">''tde-trinity''</span> package is a comprehensive meta-package. To install only a basic environment, replace <span style="color:#0000ff">''tde-trinity''</span> with <span style="color:#0000ff">''tdebase-trinity''</span> in the instructions below.
  
  +
|text=<span style="color:#0000ff">''tde-trinity''</span> package is a comprehensive meta-package. To install only a basic environment, replace <span style="color:#0000ff">''tde-trinity''</span> with <span style="color:#0000ff">''tdebase-trinity''</span> in the instructions below.
  +
}}
   
  +
<syntaxhighlight lang="shell-session">
−
'''TDE R14.0.x series'''
  
 
$ sudo apt-get update
  
$ sudo apt-get update
 
$ sudo apt-get install tde-trinity
  
$ sudo apt-get install tde-trinity
  +
</syntaxhighlight>
   
  +
===Localization===
−
'''NOTE''': After installing the environment, it is also a good idea to install the localization packages so that you can switch the environment to your native language. For example for Czech:
  
  +
{{TipBox
  +
|text=After installing the environment, it is also a good idea to install the localization packages so that you can switch the environment to your native language. For example, for Czech you would run: <syntaxhighlight lang="shell-session">$ sudo apt-get install tde-i18n-cs-trinity</syntaxhighlight>
  +
}}
   
−
<syntaxhighlight lang="shell-session">
  
−
$ sudo apt-get install tde-i18n-cs-trinity
  
−
</syntaxhighlight>
  
   
−
===Upgrading from an existing R14.0.x installation===
 +
=<span id="TDEUpgrade"></span>Upgrading from an existing installation=
   
−
The following steps are suggested for upgrading to the latest R14.0.x version.
 +
The following steps are suggested for upgrading to the latest version.
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
Line 79: Line 130:
 
This will upgrade TDE to the newer version and should complete smoothly.
  
This will upgrade TDE to the newer version and should complete smoothly.
   
−
==Removing Trinity==
 +
=Removing Trinity=
   
 
{{TipBox | caption = Note | text = Please read the following instructions completely before starting the removal process.}}
  
{{TipBox | caption = Note | text = Please read the following instructions completely before starting the removal process.}}
Line 90: Line 141:
 
# Removing left-over files from your home directory
  
# Removing left-over files from your home directory
   
  +
<div class="mw-collapsible mw-collapsed">
−
===Uninstalling packages===
  
  +
==Uninstalling packages==
  +
<div class="mw-collapsible-content">
   
−
====Using aptitude====
 +
===Using aptitude===
   
 
If you have ''aptitude'' installed, you can simply run
  
If you have ''aptitude'' installed, you can simply run
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
−
$ aptitude purge '~i~Otrinitydesktop'
 +
$ sudo aptitude purge '~i~Otrinitydesktop'
 
</syntaxhighlight>
  
</syntaxhighlight>
   
−
====Using apt-get====
 +
===Using apt-get===
   
 
Using the standard ''apt-get'' utility to uninstall TDE and its dependencies involves the following three steps:
  
Using the standard ''apt-get'' utility to uninstall TDE and its dependencies involves the following three steps:
Line 107: Line 160:
 
# Uninstalling all packages that were installed as dependencies of Trinity
  
# Uninstalling all packages that were installed as dependencies of Trinity
   
−
To generate a list of all packages available from the Trinity repository, you will need to filter out just the package names from two files in <code>/var/lib/apt/lists</code> and write the result to a new file. The names of these files depend on three factors: The Devuan release in use, the processor type the system is running on, and whether you're using the R14.0.x series of TDE or the unofficial rolling-release packages. So, for example, when running the R14.0.x series on the i386 variant of Devuan 4.x/chimaera, the names are as follows:
 +
To generate a list of all packages available from the Trinity repository, you will need to filter out just the package names from two files in <code>/var/lib/apt/lists</code> and write the result to a new file. The names of these files depend on three factors: The Devuan release in use, the processor type the system is running on, and whether you're using the stable series or rolling-release packages. So, for example, when running the R14.1.x series on the i386 variant of Devuan 4.x/chimaera, the names are as follows:
−
* <code>mirror.ppa.trinitydesktop.org_trinity_deb_trinity-r14.0.x_dists_chimaera_main_binary-i386_Packages</code>
 +
* <code>mirror.ppa.trinitydesktop.org_trinity_deb_trinity-r14.1.x_dists_chimaera_main_binary-i386_Packages</code>
−
* <code>mirror.ppa.trinitydesktop.org_trinity_deb_trinity-builddeps-r14.0.x_dists_chimaera_main_binary-i386_Packages</code>
 +
* <code>mirror.ppa.trinitydesktop.org_trinity_deb_trinity-builddeps-r14.1.x_dists_chimaera_main_binary-i386_Packages</code>
   
 
First, let's create a new empty file in <code>/tmp</code>, using <code>mktemp</code>:
  
First, let's create a new empty file in <code>/tmp</code>, using <code>mktemp</code>:
Line 128: Line 181:
 
Now that we have a list of all TDE packages, we can hand that to <code>apt-get</code> for uninstallation:
  
Now that we have a list of all TDE packages, we can hand that to <code>apt-get</code> for uninstallation:
   
−
<syntaxhighlight lang="shell-session">
+
<syntaxhighlight lang="shell-session">
 
$ sudo apt-get remove $(cat /tmp/tde.fB6B)
  
$ sudo apt-get remove $(cat /tmp/tde.fB6B)
 
</syntaxhighlight>
  
</syntaxhighlight>
Line 134: Line 187:
 
Replace <code>apt-get remove</code> with <code>apt-get purge</code> to also remove the configuration files that came with those packages. And, as above, be sure to replace the output file's name with the actual name of the file <code>mktemp</code> created on your system.
  
Replace <code>apt-get remove</code> with <code>apt-get purge</code> to also remove the configuration files that came with those packages. And, as above, be sure to replace the output file's name with the actual name of the file <code>mktemp</code> created on your system.
   
−
Apt will figure out which of the packages in the list are actually installed and present them for removal. It will also already notify the user of a bunch of packages that "were automatically installed and are not longer required" and suggest using <code>apt autoremove</code> to remove them. We will take care of that in the next step. So, for now, just confirm the removal of the TDE packages.
 +
Apt will figure out which of the packages in the list are actually installed and present them for uninstallation. It will also already notify the user of a bunch of packages that "were automatically installed and are not longer required" and suggest using <code>apt autoremove</code> to uninstall them. We will take care of that in the next step. So, for now, just confirm the uninstallation of the TDE packages.
   
 
If Apt asks whether to stop the tdm deamon, say yes. We're removing TDE, after all. This will land you on the TTY that TDM was running on before. Need to switch back to the one you ran <code>apt-get</code> from using Ctrl + F1..7.
  
If Apt asks whether to stop the tdm deamon, say yes. We're removing TDE, after all. This will land you on the TTY that TDM was running on before. Need to switch back to the one you ran <code>apt-get</code> from using Ctrl + F1..7.
   
−
Finally, to remove all remaining Trinity dependencies, you will need to run
 +
Finally, to uninstall all remaining Trinity dependencies, you will need to run
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
Line 146: Line 199:
 
In case you also want to remove the configuration files that came with these packages, append <code>--purge</code> to the <code>autoremove</code> command.
  
In case you also want to remove the configuration files that came with these packages, append <code>--purge</code> to the <code>autoremove</code> command.
   
−
{{WarningBox | caption = CAUTION | text = Beware that running <code>apt-get autoremove</code> without care can leave certain software on your system or the system as a whole in an unusable state. The command simply removes all packages installed as dependencies of packages that are no longer installed, which might lead to the removal of packages that you wanted to keep.
 +
{{WarningBox | caption = CAUTION | text = Beware that running <code>apt-get autoremove</code> without care can leave certain software on your system or the system as a whole in an unusable state. The command simply uninstalls all packages that were installed as dependencies of packages that are no longer installed, which might lead to the uninstallation of packages that you wanted to keep.
   
−
Be sure to read the list of packages that Apt will want to remove, carefully. If you want to continue to use any of the packages in that list, abort the operation, mark that package as manually installed, and then run the command again.
 +
Be sure to read the list of packages that Apt will want to uninstall, carefully. If you want to continue to use any of the packages in that list, abort the operation, mark that package as manually installed, and then run the command again.
   
 
If you're not sure how to handle the situation, ask in the Trinity IRC channel or on the mailing list.}}
  
If you're not sure how to handle the situation, ask in the Trinity IRC channel or on the mailing list.}}
  +
</div></div>
   
  +
<div class="mw-collapsible mw-collapsed">
−
===Removing the Trinity repository from package sources===
  
  +
==Removing the Trinity repository from package sources==
  +
<div class="mw-collapsible-content">
   
−
Either comment the Trinity repo lines in <code>/etc/apt/sources.list</code> or simply remove them and run <code>apt-get update</code> after saving the file.
 +
Open <code>/etc/apt/sources.list</code> and either remove the Trinity repository lines or comment them by adding a hash symbol (<code>#</code>) at the beginning of each line. Then save the file and run <code>sudo apt-get update</code>.
  +
</div></div>
   
  +
<div class="mw-collapsible mw-collapsed">
−
===Cleaning up the package cache===
  
  +
==Cleaning up the package cache==
  +
<div class="mw-collapsible-content">
   
 
If you deactivated/removed the repo from source.list, at least run
  
If you deactivated/removed the repo from source.list, at least run
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
−
$ apt-get autoclean
 +
$ sudo apt-get autoclean
 
</syntaxhighlight>
  
</syntaxhighlight>
   
Line 169: Line 228:
   
 
<syntaxhighlight lang="shell-session">
  
<syntaxhighlight lang="shell-session">
−
$ apt-get clean
 +
$ sudo apt-get clean
 
</syntaxhighlight>
  
</syntaxhighlight>
  +
</div></div>
   
  +
<div class="mw-collapsible mw-collapsed">
−
===Removing left-over files from your home directory===
  
  +
==Removing left-over files from your home directory==
  +
<div class="mw-collapsible-content">
   
−
Remove TDE files in <code>$HOME</code>. Usually these are the `.tderc` file and the `.trinity` and `.qt` directories (the latter still mistakenly used by some applications).
 +
Remove TDE files in <tt>$HOME</tt>. Usually these are the <tt>.tderc</tt> file and the <tt>.trinity</tt> and <tt>.qt</tt> directories. (The latter is still mistakenly used by some applications.)
  +
</div></div>

Latest revision as of 12:03, 27 October 2024


This page provides instructions on how to install, upgrade or remove Trinity Desktop Environment on Devuan systems.


Available versions

TDE R14.x.y series

Stable versions

Packages for stable versions are available for the following Devuan distributions (green rows indicates latest version):

Version Architectures Notes
5.x - daedalus amd64, i386, ppc64el, arm64, armhf
4.x - chimaera amd64, i386, ppc64el, arm64, armhf
3.x - beowulf amd64, i386, ppc64el, arm64, armhf
armel up to R14.0.13
2.x - ascii amd64, i386, ppc64el, arm64, armhf up to R14.1.1
armel up to R14.0.13
1.x - jessie amd64, i386, ppc64el, arm64, armhf, armel up to R14.0.11

Rolling versions

Rolling builds are available for a broader set of versions, including daedalus and ceres.

v3.5.13.2

There is no support for this TDE version in Devuan.

Configuring the package manager

Add the following lines to your /etc/apt/sources.list file.

Messagebox warning.png
Warning!
Make sure to replace <your-distribution-release-name> with your actual distribution release name (for example 'beowulf' or 'chimaera')

TDE R14.1.x series

deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.1.x <your-distribution-release-name> main deps

# Optional sources
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.1.x <your-distribution-release-name> main deps

TDE R14.0.x series

deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <your-distribution-release-name> main
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <your-distribution-release-name> main

# Optional sources
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x <your-distribution-release-name> main
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x <your-distribution-release-name> main

Importing the package signing key

The best way to import TDE's package signing key is to manually download and install the package trinity-keyring. The advantage is that this method of installation is not dependent on the availability of a key server. Another advantage is that the key is not integrated into the global apt keyring, but is installed as a separate file: 

$ wget https://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-keyring.deb
$ sudo dpkg -i trinity-keyring.deb

Installing Trinity

  • If you are doing a fresh TDE installation, please follow the steps listed below.
  • If you are upgrading from an existing version, please follow the instruction under the upgrading section.

Fresh installation

The following steps are suggested for installing the latest version. If you

Messagebox warning.png
Warning!
tde-trinity package is a comprehensive meta-package. To install only a basic environment, replace tde-trinity with tdebase-trinity in the instructions below.
$ sudo apt-get update
$ sudo apt-get install tde-trinity

Localization

Messagebox info.png
Tip
After installing the environment, it is also a good idea to install the localization packages so that you can switch the environment to your native language. For example, for Czech you would run: 
$ sudo apt-get install tde-i18n-cs-trinity


Upgrading from an existing installation

The following steps are suggested for upgrading to the latest version. 

$ sudo apt-get update
$ sudo aptitude full-upgrade

This will upgrade TDE to the newer version and should complete smoothly.

Removing Trinity

Messagebox info.png
Note
Please read the following instructions completely before starting the removal process.

Removing the Trinity Desktop Environment involves the following four steps:

  1. Uninstalling packages
  2. Removing the Trinity repository from the list of available package sources
  3. Cleaning up the package cache
  4. Removing left-over files from your home directory

Uninstalling packages

Using aptitude

If you have aptitude installed, you can simply run 

$ sudo aptitude purge '~i~Otrinitydesktop'

Using apt-get

Using the standard apt-get utility to uninstall TDE and its dependencies involves the following three steps:

  1. Generating a list of all packages available from the Trinity repository
  2. Using that list to uninstall all installed packages originating from that repository
  3. Uninstalling all packages that were installed as dependencies of Trinity

To generate a list of all packages available from the Trinity repository, you will need to filter out just the package names from two files in /var/lib/apt/lists and write the result to a new file. The names of these files depend on three factors: The Devuan release in use, the processor type the system is running on, and whether you're using the stable series or rolling-release packages. So, for example, when running the R14.1.x series on the i386 variant of Devuan 4.x/chimaera, the names are as follows:

  • mirror.ppa.trinitydesktop.org_trinity_deb_trinity-r14.1.x_dists_chimaera_main_binary-i386_Packages
  • mirror.ppa.trinitydesktop.org_trinity_deb_trinity-builddeps-r14.1.x_dists_chimaera_main_binary-i386_Packages

First, let's create a new empty file in /tmp, using mktemp: 

$ mktemp /tmp/tde.XXXX
/tmp/tde.fB6B

Generating a list of all Trinity packages and writing it to that file now works as follows: 

$ sed -n '/^Package: / s/^Package: //p' /var/lib/apt/lists/mirror.ppa.trinitydesktop.org_trinity_deb_trinity-*Packages > /tmp/tde.fB6B

Be sure to replace the output file's name with the actual name of the file mktemp created on your system.

Now that we have a list of all TDE packages, we can hand that to apt-get for uninstallation: 

$ sudo apt-get remove $(cat /tmp/tde.fB6B)

Replace apt-get remove with apt-get purge to also remove the configuration files that came with those packages. And, as above, be sure to replace the output file's name with the actual name of the file mktemp created on your system.

Apt will figure out which of the packages in the list are actually installed and present them for uninstallation. It will also already notify the user of a bunch of packages that "were automatically installed and are not longer required" and suggest using apt autoremove to uninstall them. We will take care of that in the next step. So, for now, just confirm the uninstallation of the TDE packages.

If Apt asks whether to stop the tdm deamon, say yes. We're removing TDE, after all. This will land you on the TTY that TDM was running on before. Need to switch back to the one you ran apt-get from using Ctrl + F1..7.

Finally, to uninstall all remaining Trinity dependencies, you will need to run 

$ sudo apt-get autoremove

In case you also want to remove the configuration files that came with these packages, append --purge to the autoremove command.

Messagebox warning.png
CAUTION
Beware that running apt-get autoremove without care can leave certain software on your system or the system as a whole in an unusable state. The command simply uninstalls all packages that were installed as dependencies of packages that are no longer installed, which might lead to the uninstallation of packages that you wanted to keep.

Be sure to read the list of packages that Apt will want to uninstall, carefully. If you want to continue to use any of the packages in that list, abort the operation, mark that package as manually installed, and then run the command again.

If you're not sure how to handle the situation, ask in the Trinity IRC channel or on the mailing list.

Removing the Trinity repository from package sources

Open /etc/apt/sources.list and either remove the Trinity repository lines or comment them by adding a hash symbol (#) at the beginning of each line. Then save the file and run sudo apt-get update.

Cleaning up the package cache

If you deactivated/removed the repo from source.list, at least run 

$ sudo apt-get autoclean

This will remove all Trinity packages from the local cache.

To get rid of other packages as well, you'll have to clean out the whole package cache using 

$ sudo apt-get clean

Removing left-over files from your home directory

Remove TDE files in $HOME. Usually these are the .tderc file and the .trinity and .qt directories. (The latter is still mistakenly used by some applications.)

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