Question

5

I got an error when trying to install a latex package trough tlmgr on ubuntu 20.04, verify_checksum: -5

rated 0 times [ 5] [ 0] / answers: 1 / hits: 3478 / 2 Years ago, sat, december 25, 2021, 7:22:00

I installed texlive on ubuntu 20.04 with:

sudo apt -y install texlive-latex-extra texlive-extra-utils texlive-font-utils

when trying to install a latex package (any) i got:

/usr/bin/tlmgr: unexpected return value from verify_checksum: -5

any ideas?

EDIT: Hello, i install packages with tlmgr install package_name. tlmgr installs when installing latex...
Output of dpkg -S $(which tlmgr)

texlive-base: /usr/bin/tlmgr

Output of apt-cache policy texlive-base:

texlive-base:

  Installed: 2019.20200218-1

  Candidate: 2019.20200218-1

  Version table:

 *** 2019.20200218-1 500

        500 http://cl.archive.ubuntu.com/ubuntu focal/universe amd64 Packages

        500 http://cl.archive.ubuntu.com/ubuntu focal/universe i386 Packages

        100 /var/lib/dpkg/status

Output of tlmgr --version:

tlmgr revision 53568 (2020-01-27 19:20:16 +0100)

tlmgr using installation: /usr/share/texlive

TeX Live (http://tug.org/texlive) version 2019

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answered 2 Years ago itutejagua · Accepted Answer

Two moments here:

According to this Q&A on StackExchange - the TuG GPG keys are expired, so you have to add --verify-repo=none to the command, like below:
```
tlmgr --verify-repo=none install beamer
```
Also please note that tlmgr will show the warning:
```
tlmgr: Local TeX Live (2019) is older than remote repository (2020).
```
so some additional actions are required.

Personally I prefer to install using deb-packages from the distro. You can use such method as a workaround. For the beamer package the correct deb-package name may be obtained from packages.ubuntu.com while searching for beamer.cls. So you have to install single package:
```
sudo apt-get install texlive-latex-recommended
```