Sometimes you need to open a file or folder with root rights. To save time, you can add Scripts -> Open as root to the context menu.
To do this, open the command line and paste:
sudo su
gedit .gnome2/nautilus-scripts/Open\ as\ root
In the document that opens, add:
for uri in $NAUTILUS_SCRIPT_SELECTED_URIS; do
gksudo "gnome-open $uri" &
Save the document
Paste into the command line:
sudo chmod +x .gnome2/nautilus-scripts/Open\ as\ root
CHECK:
Right click on any file or folder, find Scripts -> Open as root
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If not working, reboot.