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I am new to Linux and have recently installed Ubuntu 18.04. I need to edit the 50-synaptics.conf file in Ubuntu 18.04, but GKSU is deprecated, and when I run

gedit admin:///usr/share/X11/xorg.conf.d/50-synaptics.conf

it shows:

The specified location is not mounted.

What should I do to open and update this file?

output

aayush@aayush-taneja:~$ gksu gedit /usr/share/X11/xorg.conf.d/50-synaptics.conf  
Command 'gksu' not found, did you mean:

  command 'ksu' from deb heimdal-clients
  command 'ksu' from deb krb5-user
  command 'gosu' from deb gosu

Try: sudo apt install <deb name>

aayush@aayush-taneja:~$ sudo apt install gksu
[sudo] password for aayush: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package gksu is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gksu' has no installation candidate

aayush@aayush-taneja:~$ gedit admin:///usr/share/X11/xorg.conf.d/50-synaptics.conf

** (gedit:4614): WARNING **: 22:17:30.045: The specified location is not mounted
^C
Zanna
  • 70,465
Aayush Taneja
  • 1

1 Answers1

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  1. First go to filesystem.

  2. Then usr.

  3. Then share.

  4. Then x11.

  5. There you will see a file named as 51-synaptics-quirks.conf

    You cannot edit the file so you have to open that directory as root.

    Just right click in the directory and select "open as root."

    Then open up the file and paste it at the end after the END SECTION:

    # Disable generic Synaptics device, as we're using
# "DLL0704:01 06CB:76AE Touchpad"
# Having multiple touchpad devices running confuses syndaemon
Section "InputClass"
    Identifier "SynPS/2 Synaptics TouchPad"
    MatchProduct "SynPS/2 Synaptics TouchPad"
    MatchIsTouchpad "on"
    MatchOS "Linux"
    MatchDevicePath "/dev/input/event*"
    Option "Ignore" "on"
EndSection
Eliah Kagan
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p180045 Umair Maratab
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