Solved Init script failed on Ubuntu 20.04 on Tencent Cloud

[daguji]

Hi, I got this error on Tencent Cloud with Ubuntu 20.04, with a fresh server and a fresh server after command apt update apt upgrade. Both have the same error.

=> Updating apt and installing script dependencies
=> Checking version
=> Downloading version 7.0.1 ...
=> Installing base dependencies and downloading docker images (this takes some time) ...Init script failed. See /var/log/cloudron-setup.log for details

the log file:

 libnet-smtp-ssl-perl libopts25 libosp5 libostyle1c2 libpackage-stash-perl
  libpackage-stash-xs-perl libpadwalker-perl libpaper-utils libpaper1
  libparams-classify-perl libparams-util-perl
  libparams-validationcompiler-perl libpdfbox-java libpixman-1-0 libptexenc1
  libreadonly-perl libref-util-perl libref-util-xs-perl librole-tiny-perl
  libsgmls-perl libsombok3 libspecio-perl libsub-exporter-perl
  libsub-exporter-progressive-perl libsub-identify-perl libsub-install-perl
  libsub-name-perl libsub-override-perl libsub-quote-perl libsynctex2
  libtcl8.6 libteckit0 libtexlua53 libtexluajit2 libthai-data libthai0
  libtie-ixhash-perl libtimedate-perl libtk8.6 libtry-tiny-perl
  libunicode-linebreak-perl liburi-perl libvariable-magic-perl libwoff1
  libwww-perl libwww-robotrules-perl libx11-protocol-perl libxcb-render0
  libxcursor1 libxdamage1 libxml-parser-perl libxml-twig-perl
  libxml-xpathengine-perl libxss1 libxstring-perl libyaml-tiny-perl
  libzzip-0-13 lmodern openjade opensp poppler-data preview-latex-style
  sgml-base sgml-data sgmlspl sntp squashfs-tools t1utils tcl tcl8.6 teckit
  tex-common tex-gyre texlive texlive-base texlive-bibtex-extra
  texlive-binaries texlive-extra-utils texlive-fonts-recommended
  texlive-formats-extra texlive-lang-greek texlive-latex-base
  texlive-latex-extra texlive-latex-recommended texlive-pictures
  texlive-plain-generic texlive-science texlive-xetex tipa tk tk8.6
  x11-xserver-utils xdg-utils xfonts-encodings xfonts-utils xml-core xmlto
  xsltproc
Use 'apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[[ "$(python --version 2>&1)" == "Python 2.7."* ]] || die "Expecting python version to be 2.7.x"
Expecting python version to be 2.7.x

[girish]

@daguji What does python --version print ? It should print Python 2.7.18 on ubuntu 20.04

[daguji]

@girish The version is Python 3.8.10, then how do I fix this?

[nebulon]

@daguji looks like the apt upgrade pulled in python 3 then. Can you reset the server and not run anything besides the Cloudron setup? The setup script will pull in any security updates and the exact package versions Cloudron expects.

[daguji]

@nebulon Thanks. I have solved this issue. The initial python version is 3.8, after switching to Python 2.7 the issue was solved.

Reference this link: https://linuxconfig.org/ubuntu-20-04-python-version-switch-manager