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I am taking a course through edX and thought I was ready for it...Not.
I use Manjaro and have become fair at the command line. Well the "class" wants us to use Ubuntu, OpenSUSE, and CentOS to supposedly get a well rounded view of all Linux. The command line, much to my surprise, is different in all three. Four counting Manjaro.
For instance. I have a couple of themes I custom made for myself and wanted to put them in the /user/share/themes dir so I couild at least make it look like home. I am used to just typing "sudo filemanager" and being able to do what I want. Somoe other file managers let you declare root in the GUI file manager. I can't open Dolphin in root to save myself. I can't get sudo to work.
I have been able to get myself su permissions by typing su in the command line the my PW. Trying to use sudo just gets my an error about my username is not in the "sudoers" file...OK>?
If you're using dolphin I'm going to assume you're using KDE
To open dolphin as root at the top of the filesystem, do this -
kdesu dolphin /
Word to the wise, it's generally not a good idea to use sudo to open graphical applications; you'd use gksudo or kdesudo. sudo and gksudo/kdesudo set different environments, so use sudo for the terminal stuff and gksudo/kdesudo for the graphical stuff. In this instance you'd use kdesu; since your user account isn't in sudoers sudo isn't available to you.
Hope this helps -
Last edited by wizard10000; 08-08-2014 at 12:36 PM.
Use "visudo" to edit the /etc/sudoers file and add it. You can read "man sudoers" for documentation on the syntax, which is a bit complex.
I have looked at the "man" page for more information but I still haven't been able to figure out just what to do. The class wants us to use OpenSUSE, Ubuntu, and CentOS. The kicker to that is the fact that with the older hardware on this machine I can't run anything but CentOS.. Ubuntu and OpenSuse will not work without extreme screen issues. I have tried both free and non-free drivers to no avail. The CentOS sytem works pretty well on a laptop I installed it to. I just have been running around in circles with the sudo thing. Was told I could edit the sudoers file with my "username ALL=ALL" and I would be on the sudoers list. I must be doing something very wrong as it changed nothing. I am pretty sure it isn't because of a lack of knowledge running vi but could be as I had never ran vi before just other various text editors. ie gedit, mousepad, nano etc.
Virtualization is out. I have tried VirtualBox and VirtualMachine. The virtualization just isn't an option. I am running a single core processor and 2g of RAM and while I have enough computer to run pretty much anything I just do not have enough to run Virtual machines. They are slow to say the very very least. I went ahead and tried virtualization anyway and not only is it so slow I can't work with it. The graphics issues are there in either virtual or regular environments.
Trust me I am not one who likes to make myself look so...well...Dumb. I am just floundering here. Had I known Arch derivatives would not work like most other OSs I wouldn't have started out my journey with said OS!