package slack (not installed) failed to install/upgrade: trying to overwrite '/usr/share/lintian/overrides/slack', which is also in package slack-desktop 4.11.1

[Rob Kruy]

trying to install / login to slack on Ubuntu 20.04

ProblemType: Package
DistroRelease: Ubuntu 20.04
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.12
AptOrdering:
 slack:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Nov 16 17:00:47 2020
DpkgTerminalLog:
 Preparing to unpack .../slack_1%3a0.15.2-9_all.deb ...
 Unpacking slack (1:0.15.2-9) ...
 dpkg: error processing archive /var/cache/apt/archives/slack_1%3a0.15.2-9_all.deb (--unpack):
  trying to overwrite '/usr/share/lintian/overrides/slack', which is also in package slack-desktop 4.11.1
ErrorMessage: trying to overwrite '/usr/share/lintian/overrides/slack', which is also in package slack-desktop 4.11.1
InstallationDate: Installed on 2020-11-17 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
Snap: slack 4.11.1 (stable)
Title: package slack (not installed) failed to install/upgrade: trying to overwrite '/usr/share/lintian/overrides/slack', which is also in package slack-desktop 4.11.1
UpgradeStatus: No upgrade log present (probably fresh install)

[Amr Ibrahim (amribrahim1987)]

Slack, the communication platform, is not packaged in Ubuntu. This slack package is a different software. You were trying to install it, and it conflicted with the already installed slack-desktop.