package texlive-lang-greek (not installed) failed to install/upgrade: unable to open '/usr/share/texlive/texmf-dist/fonts/type1/public/cbfonts/grmc1095.pfb.dpkg-new': Operation not permitted

[Michael]

I'm using Ubuntu 18.4 (just installed) on a ThinkPad T470. While trying to install the full texlive I got some error messages and was eventually asked to run the following:

michael@michael-ThinkPad-T470:~$ sudo apt --fix-broken install
[sudo] password for michael:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following package was automatically installed and is no longer required:
  libmng2
Use 'sudo apt autoremove' to remove it.
The following additional packages will be installed:
  texlive-lang-greek
The following NEW packages will be installed:
  texlive-lang-greek
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
2 not fully installed or removed.
Need to get 0 B/76.3 MB of archives.
After this operation, 95.1 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
(Reading database ... 171692 files and directories currently installed.)
Preparing to unpack .../texlive-lang-greek_2017.20180305-1_all.deb ...
Unpacking texlive-lang-greek (2017.20180305-1) ...
dpkg: error processing archive /var/cache/apt/archives/texlive-lang-greek_2017.20180305-1_all.deb (--unpack):
 unable to open '/usr/share/texlive/texmf-dist/fonts/type1/public/cbfonts/gmxn1440.pfb.dpkg-new': Operation not permitted
Errors were encountered while processing:
 /var/cache/apt/archives/texlive-lang-greek_2017.20180305-1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: texlive-lang-greek (not installed)
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
AptOrdering:
 texlive-lang-greek:amd64: Install
 NULL: ConfigurePending
Architecture: amd64
Date: Sun May 6 21:47:08 2018
DpkgTerminalLog:
 Preparing to unpack .../texlive-lang-greek_2017.20180305-1_all.deb ...
 Unpacking texlive-lang-greek (2017.20180305-1) ...
 dpkg: error processing archive /var/cache/apt/archives/texlive-lang-greek_2017.20180305-1_all.deb (--unpack):
  unable to open '/usr/share/texlive/texmf-dist/fonts/type1/public/cbfonts/grmc1095.pfb.dpkg-new': Operation not permitted
ErrorMessage: unable to open '/usr/share/texlive/texmf-dist/fonts/type1/public/cbfonts/grmc1095.pfb.dpkg-new': Operation not permitted
InstallationDate: Installed on 2018-05-05 (1 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: texlive-lang
Title: package texlive-lang-greek (not installed) failed to install/upgrade: unable to open '/usr/share/texlive/texmf-dist/fonts/type1/public/cbfonts/grmc1095.pfb.dpkg-new': Operation not permitted
UpgradeStatus: No upgrade log present (probably fresh install)