Posts
12895
Joined
8/17/2006
Location
Golden, CO, USA
Edited Date/Time
1/23/2012 6:56pm
Hey guys. My son was still fighting with getting our printer printing using the Ubuntu machine in our house. It's obvious I'm going to have to step in and help him a bit more than I have, especially since I noticed that for some reason, he's locked out of pretty much all folders on that computer.
Anyone have any idea how the profile that installs the Ubuntu/Linux OS can lock itself out of the folders on the computer?
Anyone have any idea how the profile that installs the Ubuntu/Linux OS can lock itself out of the folders on the computer?
On the login screen you would do this:
login: root
password: (root password)
then change whatever settings you need, log out, and then log in as a normal user.
P.S. The Ubuntu web site has it's own forums that would get you a million times more help on Ubuntu.
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Ok, a few things:
I figured out how to set the "root" password. But, if I log out of my son's account, it won't let me log in as "root" from the log in screen. Where the heck do I do that? I tried switching users, starting the machine from a shut off, and logging off from my son's account. Everytime I try the username "root" and the password, it says I can't log in as administrator from that screen.
Logging in as root is apparently necessary to install this driver. The Samsung site says so:
http://www.samsung.com/us/support/download/supportDownDetail.do?group=&…
From the console, log in as root. If you want to be able to log in as root in the gui, you can change it to allow it. You'd have to find the gdm or xdm config file on your own......I haven't used either in years.....so don't know exactly what you would change.
If you use KDE (the kdm login manager), you can change that by:
# cd /usr/kde/3.5/share/config/kdm (or 3.4 or whatever version you are running, Ubuntu may have a different dir structure, so you can look in /usr/kde, or maybe /opt/kde).
# cp kdmrc kdmrc.bak (in case you fuck up)
# vi kdmrc (or whatever editor you use.......I learned on vi, and over the years, learned all the key combos and commands.......so never bothered to use anything else).
You should see a line in there somewhere that says something like "allow root logins",
change it from no to yes, preserving the syntax. If you fudge the file:
# cp kdmrc.bak kdmrc
And try again.
Alternatively, you can be logged into the gui as a user, and there should be somewhere in the menu, an "su" (switch user) function. If not, you can simply open a term window from within the gui and:
# su ( or su - root, which will bring the entire root environment over) and type in your password when prompted. Then:
# xhost + (this will allow any connections to your xsession.......later on, do a RTFM xhost so you can learn more fine grained control).
Now, you can start any of the gui applications from the xterm window, use and "&" to have the process remain in the background:
# foo.sh &
If you don't know the actual executable name of a program........you can find it's menu item and click on "properties". Some distros have a function where you can right click any menu item and "run as".
I went through the steps suggested by Samsung for the Ubuntu install. So, I can't log in as root, but I try bringing up terminal with my son's account. It asks for a password, as the Ubuntu forums said it would.
I use the $ sudo cdroot/autorun command. It says a bunch of libstdc??.so.5 blah blah blah aren't found, then says install ... done. Then it gives a bunch of errors, including something about a Qt library being unavailable, but then it starts the driver install anyway, on its own. Great. It tries to install the driver with the Unified Linux Driver Installer, but it stops at about 98% mark with the CUPS portion of the install.
Then, on its own, it brings up the Add printer wizard. It says 0 printers are connected to the computer (the printer is, actually). The only radio button available is manual select, but Ubuntu help says that's for troubleshooting only.
It won't let me pick any printers from the list.
If I let it use the manual select, it has me pick a USB port, but all printer tests say that it can't find any devices on that port.
Man. What a mess.
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Ok, on to the next step of setting up our network so any remote laptop can print through the Linux machine. This oughta be fun.
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