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How to prevent dbus from setting environment variables


Where to declare environment variables?Ubuntu adding path/Environment variablessetting system variables through terminalChanging environment variablesProblem with environment variableshow to export folder specific environment variables?How do i efficiently use environment variables?Listing environment variables of a particular SHELLCan't properly reset environment variablesHow to find the source definition of an environment variable?













0















TL;DR: dbus is setting an environment variable, which makes less search capability unusable



Long story short: I've Ubuntu 18.04 in Virtual Box, and when I try to search any text open with less via / key and press Enter, it inserts ESC text instead of actually searching the text.



enter image description here



I've figured out that there were couple less-specific environment variables exported in the environment:



$ env | grep LESS
LESSCLOSE=/usr/bin/lesspipe %s %s
LESSOPEN=| /usr/bin/lesspipe %s


With environment ignored via env -i less /etc/passwd for example, the command accepts Enter` key just fine, and searching works although without highlighting the match.



I've tried investigating where this environment variable comes from and apparently it comes from dbus



$ grep 'LESS' .xsession-errors 
dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s
dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s


Desktop environment in use: Cinnamon 3.6.7 (and there is also LXQT 0.12.0 that was in use prior to installing Cinnamon, although the issue appeared only recently presumably after Cinnamon installation)




According to this answer the issue may be related to the fact that keypad Enter key sends a different keycode, and using --no-keypad option with less helps. Problem is that I don't use keypad - the laptop on which I am working has only one Enter key.










share|improve this question




























    0















    TL;DR: dbus is setting an environment variable, which makes less search capability unusable



    Long story short: I've Ubuntu 18.04 in Virtual Box, and when I try to search any text open with less via / key and press Enter, it inserts ESC text instead of actually searching the text.



    enter image description here



    I've figured out that there were couple less-specific environment variables exported in the environment:



    $ env | grep LESS
    LESSCLOSE=/usr/bin/lesspipe %s %s
    LESSOPEN=| /usr/bin/lesspipe %s


    With environment ignored via env -i less /etc/passwd for example, the command accepts Enter` key just fine, and searching works although without highlighting the match.



    I've tried investigating where this environment variable comes from and apparently it comes from dbus



    $ grep 'LESS' .xsession-errors 
    dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
    dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s
    dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
    dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s


    Desktop environment in use: Cinnamon 3.6.7 (and there is also LXQT 0.12.0 that was in use prior to installing Cinnamon, although the issue appeared only recently presumably after Cinnamon installation)




    According to this answer the issue may be related to the fact that keypad Enter key sends a different keycode, and using --no-keypad option with less helps. Problem is that I don't use keypad - the laptop on which I am working has only one Enter key.










    share|improve this question


























      0












      0








      0








      TL;DR: dbus is setting an environment variable, which makes less search capability unusable



      Long story short: I've Ubuntu 18.04 in Virtual Box, and when I try to search any text open with less via / key and press Enter, it inserts ESC text instead of actually searching the text.



      enter image description here



      I've figured out that there were couple less-specific environment variables exported in the environment:



      $ env | grep LESS
      LESSCLOSE=/usr/bin/lesspipe %s %s
      LESSOPEN=| /usr/bin/lesspipe %s


      With environment ignored via env -i less /etc/passwd for example, the command accepts Enter` key just fine, and searching works although without highlighting the match.



      I've tried investigating where this environment variable comes from and apparently it comes from dbus



      $ grep 'LESS' .xsession-errors 
      dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
      dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s
      dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
      dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s


      Desktop environment in use: Cinnamon 3.6.7 (and there is also LXQT 0.12.0 that was in use prior to installing Cinnamon, although the issue appeared only recently presumably after Cinnamon installation)




      According to this answer the issue may be related to the fact that keypad Enter key sends a different keycode, and using --no-keypad option with less helps. Problem is that I don't use keypad - the laptop on which I am working has only one Enter key.










      share|improve this question
















      TL;DR: dbus is setting an environment variable, which makes less search capability unusable



      Long story short: I've Ubuntu 18.04 in Virtual Box, and when I try to search any text open with less via / key and press Enter, it inserts ESC text instead of actually searching the text.



      enter image description here



      I've figured out that there were couple less-specific environment variables exported in the environment:



      $ env | grep LESS
      LESSCLOSE=/usr/bin/lesspipe %s %s
      LESSOPEN=| /usr/bin/lesspipe %s


      With environment ignored via env -i less /etc/passwd for example, the command accepts Enter` key just fine, and searching works although without highlighting the match.



      I've tried investigating where this environment variable comes from and apparently it comes from dbus



      $ grep 'LESS' .xsession-errors 
      dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
      dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s
      dbus-update-activation-environment: setting LESSOPEN=| /usr/bin/lesspipe %s
      dbus-update-activation-environment: setting LESSCLOSE=/usr/bin/lesspipe %s %s


      Desktop environment in use: Cinnamon 3.6.7 (and there is also LXQT 0.12.0 that was in use prior to installing Cinnamon, although the issue appeared only recently presumably after Cinnamon installation)




      According to this answer the issue may be related to the fact that keypad Enter key sends a different keycode, and using --no-keypad option with less helps. Problem is that I don't use keypad - the laptop on which I am working has only one Enter key.







      command-line virtualbox less






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 10 hours ago







      Sergiy Kolodyazhnyy

















      asked yesterday









      Sergiy KolodyazhnyySergiy Kolodyazhnyy

      73.8k9154323




      73.8k9154323




















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