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MYaseen208
Asked: 2020-08-02 03:57:40 +0800 CST

Installing LyX 2.3.5.2 on Ubuntu 20.04 LTS

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I am trying to install LyX 2.3.5.2 on Ubuntu 20.04 LTS with the following code:

sudo aptitude install lyx

It throws the following message. Any hints to solve the problem.

sudo aptitude install lyx
The following NEW packages will be installed:
  dvisvgm{a} enchant{a} fonts-lmodern{a} libenchant1c2a{a} libptexenc1{a} libteckit0{a} libtexlua53{a} libtexluajit2{a} libzzip-0-13{a} 
  lmodern{a} texlive-base{a} texlive-binaries{a} texlive-latex-base{a} texlive-plain-generic{a} 
The following packages will be upgraded:
  lyx{b} lyx-common 
The following packages are RECOMMENDED but will NOT be installed:
  dvipng texlive-fonts-recommended texlive-latex-extra texlive-latex-recommended texlive-science 
2 packages upgraded, 14 newly installed, 0 to remove and 0 not upgraded.
Need to get 78.6 MB/89.3 MB of archives. After unpacking 232 MB will be used.
The following packages have unmet dependencies:
 lyx : Depends: libqtcore4 (>= 4:4.8.0) but it is not installable
       Depends: libqtgui4 (>= 4:4.8.0) which is a virtual package and is not provided by any available package

       Depends: libqt4-svg which is a virtual package and is not provided by any available package

The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     lyx [2.3.4.2-2 (focal, now)]                       
2)     lyx-common [2.3.4.2-2 (focal, now)]
aptitude lyx texlive 20.04

1 Answers

  1. You need to install QT4 as it is dependency of lyx. QT4 is not available in official Ubuntu 20.04 repository. You can install it via Rock Core Team PPA.

    sudo add-apt-repository ppa:rock-core/qt4
sudo apt-get update
sudo apt install qtwebkit
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