Re: [DNG] New behaviour under Devuan.

Quoting Didier Kryn (k...@in2p3.fr): > However, in general, in situations where vision is the most use > sense, colour is the prefered method to draw attention, not only on > computers. It is very apropriate on the command line because it does > not change the syntax of what is written,

Re: [DNG] New behaviour under Devuan.

Le 24/09/2017 à 05:08, Rick Moen a écrit : Quoting Didier Kryn (k...@in2p3.fr): Well, I think we've got a comprehensive review of the strategies used to remind the user s?he's acting as root, and they all rely on colour. The '#' character is a colour? ;-> No, of course, thanks for

Re: [DNG] New behaviour under Devuan.

On Thu, Sep 21, 2017 at 11:12:19AM -0400, Renaud (Ron) OLGIATI wrote: > Under Debian, I could su to root in a console, and launch gparted from the > CLI. > > Now, I get: > > ron@ron:~/Desktop $ su > Password: > No protocol specified > xmodmap: unable to open display ':0.0' Try this: xhost

Re: [DNG] New behaviour under Devuan.

Vernon, yours are also useful links, but I'm trying to find (and I have 2708 emails in my dng Mutt maildir folder) to what email you acually replied... So first let me try to get your links in the right thread... By giving it an "In-Reply-To:" header that will get it in place... Pls. see below

Re: [DNG] New behaviour under Devuan.

Quoting Didier Kryn (k...@in2p3.fr): > Well, I think we've got a comprehensive review of the strategies > used to remind the user s?he's acting as root, and they all rely on > colour. The '#' character is a colour? ;-> ___ Dng mailing list

Re: [DNG] New behaviour under Devuan.

On Sat, Sep 23, 2017 at 09:45:04PM +0200, Didier Kryn wrote: > Means you must have one terminal profile for every location you ssh to. > And you forbid yourself to use su or ssh from the command line, because this > doesn't change the color scheme of the terminal. ~/.bashrc gets re-run on su,

Re: [DNG] New behaviour under Devuan.

> On Sep 23, 2017, at 4:52 AM, Renaud (Ron) OLGIATI > wrote: > > On Fri, 22 Sep 2017 23:35:37 -0700 > Rick Moen wrote: > >> What a pity there isn't a visual indicator that you are weilding root >> authority like, I don't know, maybe the

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 22:26, Renaud (Ron) OLGIATI a écrit : Changing PS1 in the relevant .bashrc changes colours both in XFCE-console and in tty Yes. But this isn't what Steve does. He changes the colour profile of the xterm, depending of what command he wants to run.

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 21:56, Steve Litt a écrit : On Sat, 23 Sep 2017 21:45:04 +0200 Didier Kryn wrote: Le 23/09/2017 à 20:20, Steve Litt a écrit : What a pity there isn't a visual indicator that you are weilding root authority like, I don't know, maybe the bash shell prompt ending

Re: [DNG] New behaviour under Devuan.

On Sat, 23 Sep 2017 21:45:04 +0200 Didier Kryn wrote: > And you forbid yourself to use su or ssh from the command line, > because this doesn't change the color scheme of the terminal. ? ? ? ? Changing PS1 in the relevant .bashrc changes colours both in XFCE-console and in tty

Re: [DNG] New behaviour under Devuan.

On Sat, 23 Sep 2017 21:45:04 +0200 Didier Kryn wrote: > Le 23/09/2017 à 20:20, Steve Litt a écrit : > >> What a pity there isn't a visual indicator that you are weilding > >> root authority like, I don't know, maybe the bash shell prompt > >> ending character changing from "$" to

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 20:20, Steve Litt a écrit : What a pity there isn't a visual indicator that you are weilding root authority like, I don't know, maybe the bash shell prompt ending character changing from "$" to "#". That's not enough for me. When I open a terminal intended to be either root or

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 19:58, Miroslav Rovis a écrit : (as further above) only if targetpw is also set... Think I've got it now :-) ___ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 23:35:37 -0700 Rick Moen wrote: > Quoting Hendrik Boom (hend...@topoi.pooq.com): > > > The problem with su is that you may forget you are superuser and > > start doing dangerous things, > > > > That's it. > > What a pity there isn't a visual

Re: [DNG] New behaviour under Devuan.

On 170923-19:39+0200, Antoine wrote: > On Sat, Sep 23, 2017 at 03:12:23PM +, Miroslav Rovis wrote: > > (...) > > > > Anybody got a quick tips page somewhere to find the exact color codes? Else > > I'm > > out of the discussion for now. Too much effort... (and other work awaiting > > me, > >

Re: [DNG] New behaviour under Devuan.

Also a reply by Renaud, further in bottom (with the color codes! :-) ) On 170923-18:50+0200, Didier Kryn wrote: > Le 23/09/2017 à 16:54, Miroslav Rovis a écrit : The targetpw, three lines below is key to understanding my query that I posted regarding the ability to forget the root password when

Re: [DNG] New behaviour under Devuan.

On Sat, Sep 23, 2017 at 03:12:23PM +, Miroslav Rovis wrote: > (...) > > Anybody got a quick tips page somewhere to find the exact color codes? Else > I'm > out of the discussion for now. Too much effort... (and other work awaiting me, > I'm not lazy, but resources of mind energy not

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 17:12, Miroslav Rovis a écrit : But I'll need to take a deep breath to figure out the nice Bash lines that you sent to the list. :-) I didn't invent this totally; i picked it from some default Debian .bashrc years ago. I bet you can still find at least part of it in the

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 16:54, Miroslav Rovis a écrit : (Also replying to Didier Kryn, because it is related to my question put following Edward email below, however, too much Edward's text missing in Didier's reply.) On 170923-09:15+0200, Edward Bartolo wrote: Quote: "He's actually right: the least

Re: [DNG] New behaviour under Devuan.

t; > Find this wrong notion engraved, (lets put it mildly), in the comment at > > line > > 45 of: > > > > /etc/skel/.bashrc > > ... > > but it will be available in the www.mail-archives.com, right after the > > message > > to which I'm replying: > >

Re: [DNG] New behaviour under Devuan.

ashrc . Attaching the /etc/skel/.bashrc as _bashrc.gz . It likely won't get to the Lurker archives, attachments are not allowed in, other than text attachments, but it will be available in the www.mail-archives.com, right after the message to which I'm replying: Re: [DNG] New behaviour under Devuan. http

Re: [DNG] New behaviour under Devuan.

On Sat, 23 Sep 2017 13:50:31 + Miroslav Rovis wrote: > Useful. But in which file do you stick it, you didn't say? ~/.bashrc ? I stick the root ones in the relevant /root/.bashrc, and in ~/.bashrc for the user. Cheers, Ron. -- If God

Re: [DNG] New behaviour under Devuan.

tc/skel/.bashrc . Attaching the /etc/skel/.bashrc as _bashrc.gz . It likely won't get to the Lurker archives, attachments are not allowed in, other than text attachments, but it will be available in the www.mail-archives.com, right after the message to which I'm replying: Re: [DNG] New behaviour under De

Re: [DNG] New behaviour under Devuan.

On Sat, 23 Sep 2017 06:28:30 -0700 Rick Moen wrote: > > If the '#' and "root@hostname" escape the attention of a person > > entrusted with root privileges, then why not make the root prompt bright > > red: > > > > root@ratatosk:/home/erik# export

Re: [DNG] New behaviour under Devuan.

Quoting Erik Christiansen (dva...@internode.on.net): > If the '#' and "root@hostname" escape the attention of a person > entrusted with root privileges, then why not make the root prompt bright red: > > root@ratatosk:/home/erik# export PS1="\[\033[1;31m\]\u@\h:\W\$ \[\033[0;0m\]" It's a very

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 08:49, Alessandro Selli a écrit : He's actually right: the least the superuser's password is used, the better and the safer. Yep, you can invoke 'sudo su -l'; that's su without the root password. It helps you forget the root password. Didier

Re: [DNG] New behaviour under Devuan.

Le 23/09/2017 à 01:56, Hendrik Boom a écrit : he problem with su is that you may forget you are superuser and start doing dangerous things, Edit the .bashrc of root to have the prompt written in red. That's what I always do. Yet it is still dangerous. You can make exactly the same

Re: [DNG] New behaviour under Devuan.

Le 22/09/2017 à 18:51, Hector Gonzalez a écrit : On 09/22/2017 05:10 AM, Didier Kryn wrote: Le 22/09/2017 à 01:32, Arnt Karlsen a écrit : You can probably justify 'xhost +' if this is one of those I'm-the-only-user machines. Thank Ghu, remote network access to the X server is no longer

Re: [DNG] New behaviour under Devuan.

On 23.09.17 10:15, Arnt Karlsen wrote: > ..I still miss and prefer the S.u.S.E.-5.2 way, root had a > nice red background color in xterms, fairly hard to miss. If the '#' and "root@hostname" escape the attention of a person entrusted with root privileges, then why not make the root prompt bright

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 23:35:37 -0700 Rick Moen wrote: > What a pity there isn't a visual indicator that you are weilding root > authority like, I don't know, maybe the bash shell prompt ending > character changing from "$" to "#". > > It could work. Somebody should try it,

Re: [DNG] New behaviour under Devuan.

Le 22/09/2017 à 13:30, Arnt Karlsen a écrit : On Fri, 22 Sep 2017 13:03:07 +0200, Arnt wrote in message <20170922130307.25f57...@nb6.lan>: On Thu, 21 Sep 2017 16:44:47 -0700, Rick wrote in message <20170921234447.gp11...@linuxmafia.com>: Quoting Arnt Karlsen (a...@iaksess.no): ..my

Re: [DNG] New behaviour under Devuan.

Le 22/09/2017 à 12:31, Renaud (Ron) OLGIATI a écrit : On Fri, 22 Sep 2017 12:19:51 +0200 Didier Kryn wrote: However, for at least a decade, the launcher of Synaptic, in Debian, has been invoking gksu. Certainly some other sysadmin commands were using it also, but synaptic

Re: [DNG] New behaviour under Devuan.

Arnt Karlsen wrote: >> What a pity there isn't a visual indicator that you are weilding root >> authority like, I don't know, maybe the bash shell prompt ending >> character changing from "$" to "#". >> >> It could work. Somebody should try it, some time. :D > ..I still miss

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 23:35:37 -0700, Rick wrote in message <20170923063536.gx11...@linuxmafia.com>: > Quoting Hendrik Boom (hend...@topoi.pooq.com): > > > The problem with su is that you may forget you are superuser and > > start doing dangerous things, > > > > That's it. > > What a pity there

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 at 12:18:54 -0400 "Renaud (Ron) OLGIATI" wrote: > On Thu, 21 Sep 2017 16:33:23 +0100 > KatolaZ wrote: > >> you probably just need to `xhost +` from the "regular" user account >> before su-ing. By default the current

Re: [DNG] New behaviour under Devuan.

Quote: "He's actually right: the least the superuser's password is used, the better and the safer." Granted, but sudo as configured in Ubuntu makes the use of a superuser password pointless. Sudo is configured to be a wide wide open door leading to any part of a computer's 'household'. In other

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 at 19:56:27 -0400 Hendrik Boom wrote: > On Fri, Sep 22, 2017 at 06:27:59AM +0100, KatolaZ wrote: >> On Thu, Sep 21, 2017 at 09:41:08PM +0100, Dave Turner wrote: >> >> [cut] >> >>> The bottle of wine isn't quite finished yet, but I am not trying to

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 at 20:12:40 +0100 Rowland Penny wrote: > On Thu, 21 Sep 2017 19:43:54 +0100 > Dave Turner wrote: > >> >> Also, 'su' is just wrong, don't use it, always use sudo, and if you >> can find a decent .deb of OpenBSD

Re: [DNG] New behaviour under Devuan.

Quoting Hendrik Boom (hend...@topoi.pooq.com): > The problem with su is that you may forget you are superuser and start > doing dangerous things, > > That's it. What a pity there isn't a visual indicator that you are weilding root authority like, I don't know, maybe the bash shell prompt

Re: [DNG] New behaviour under Devuan.

On Thu, Sep 21, 2017 at 04:44:47PM -0700, Rick Moen wrote: > > This terminology actually confused me for years. I thought "Trusted" > connections were safer. But actually it's an option you're supposed to > use in situations where the connection IS trustworthy and you want to > run stuff

Re: [DNG] New behaviour under Devuan.

On Fri, Sep 22, 2017 at 06:27:59AM +0100, KatolaZ wrote: > On Thu, Sep 21, 2017 at 09:41:08PM +0100, Dave Turner wrote: > > [cut] > > > The bottle of wine isn't quite finished yet, but I am not trying to force > > anyone to stop using 'su'. > > > > It IS a really bad idea though, rummage the

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 11:51:53 -0500 Hector Gonzalez wrote: > You can also do this, assuming your original user is "user": > XAUTHORITY=~user/.Xauthority > export XAUTHORITY > DISPLAY=:0.0 > export DISPLAY > and use x with that. You don't add permissions, and there is no need to

[DNG] New behaviour under Devuan.

Under Devuan ASCII I have no problem running gparted from a terminal after becoming root with su. Obviously, the xorg must be running before attempting to run gparted. ___ Dng mailing list Dng@lists.dyne.org

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 08:54:30 -0400, Renaud wrote in message <20170922085430.0b228...@ron.cerrocora.org>: > On Fri, 22 Sep 2017 14:31:44 +0200 > Arnt Karlsen wrote: > > > > I don't know how one can prevent you from running ssh -X > > > root@localhost . Permission to do so

Re: [DNG] New behaviour under Devuan.

Quoting Hector Gonzalez (ca...@genac.org): > You can also do this, assuming your original user is "user": > XAUTHORITY=~user/.Xauthority > export XAUTHORITY > DISPLAY=:0.0 > export DISPLAY > and use x with that. Some of us like to do 'ssh -Y root@localhost' because we got tired of messing

Re: [DNG] New behaviour under Devuan.

On 09/22/2017 05:10 AM, Didier Kryn wrote: Le 22/09/2017 à 01:32, Arnt Karlsen a écrit : You can probably justify 'xhost +' if this is one of those I'm-the-only-user machines. Thank Ghu, remote network access to the X server is no longer enabled by default on Linux hosts. (The right way to

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 12:10:37 +0200, Didier wrote in message <9a258483-ff65-96a3-1ded-5bb121586...@in2p3.fr>: > Le 22/09/2017 à 01:32, Arnt Karlsen a écrit : > >> The '-Y' option enables X11 forwarding. (This of course requires > >> sshd.) > >> > >> You can probably justify 'xhost +' if this is

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 13:03:07 +0200, Arnt wrote in message <20170922130307.25f57...@nb6.lan>: > On Thu, 21 Sep 2017 16:44:47 -0700, Rick wrote in message > <20170921234447.gp11...@linuxmafia.com>: > > > Quoting Arnt Karlsen (a...@iaksess.no): > > > > > ..my prefecence was the -X option: ssh -X

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 16:44:47 -0700, Rick wrote in message <20170921234447.gp11...@linuxmafia.com>: > Quoting Arnt Karlsen (a...@iaksess.no): > > > ..my prefecence was the -X option: ssh -X root@localhost > > until Debian killed it with some new policy. > > Was it Debian that did that? I was

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 12:19:51 +0200 Didier Kryn wrote: > However, for at least a decade, the launcher of Synaptic, in > Debian, has been invoking gksu. Certainly some other sysadmin commands > were using it also, but synaptic is the one I mostly use. When you launch it from

Re: [DNG] New behaviour under Devuan.

Le 22/09/2017 à 11:41, Klaus Ethgen a écrit : Not true. That is the job of pam_xauth.so. Just use it as session plugin in pam. Interesting. Learning everyday, thanks :-) However, for at least a decade, the launcher of Synaptic, in Debian, has been invoking gksu. Certainly some other

Re: [DNG] New behaviour under Devuan.

On Fri, Sep 22, 2017 at 11:37:14AM +0200, Didier Kryn wrote: > Le 21/09/2017 à 17:12, Renaud (Ron) OLGIATI a écrit : > >Under Debian, I could su to root in a console, and launch gparted from the > >CLI. > > This could never work. su does not transmit the X connection (don't know > the

Re: [DNG] New behaviour under Devuan.

Le 22/09/2017 à 01:32, Arnt Karlsen a écrit : The '-Y' option enables X11 forwarding. (This of course requires sshd.) You can probably justify 'xhost +' if this is one of those I'm-the-only-user machines. Thank Ghu, remote network access to the X server is no longer enabled by default on

Re: [DNG] New behaviour under Devuan.

On Fri, 22 Sep 2017 11:37:14 +0200 Didier Kryn wrote: > > Under Debian, I could su to root in a console, and launch gparted from the > > CLI. > This could never work. su does not transmit the X connection I have no idea whether it _could_ work. But I know it _did_

Re: [DNG] New behaviour under Devuan.

-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi, Am Fr den 22. Sep 2017 um 10:37 schrieb Didier Kryn: > Le 21/09/2017 à 17:12, Renaud (Ron) OLGIATI a écrit : > > Under Debian, I could su to root in a console, and launch gparted from the > > CLI. > > This could never work. su does not

Re: [DNG] New behaviour under Devuan.

Le 21/09/2017 à 17:12, Renaud (Ron) OLGIATI a écrit : Under Debian, I could su to root in a console, and launch gparted from the CLI. This could never work. su does not transmit the X connection (don't know the details). You got to use gksu or gksudo, or some equivalent command. With

Re: [DNG] New behaviour under Devuan.

On Thu, Sep 21, 2017 at 09:41:08PM +0100, Dave Turner wrote: [cut] > The bottle of wine isn't quite finished yet, but I am not trying to force > anyone to stop using 'su'. > > It IS a really bad idea though, rummage the interweb, somewhere in there is > a really good write up on why su is bad

Re: [DNG] New behaviour under Devuan.

Quoting Arnt Karlsen (a...@iaksess.no): > ..my prefecence was the -X option: ssh -X root@localhost > until Debian killed it with some new policy. Was it Debian that did that? I was never sure. I just remember that 'ssh -X' suddenly no longer did X11 forwarding as it used to, but I looked up

Re: [DNG] New behaviour under Devuan.

On 21/09/17 21:41, Dave Turner wrote: On 21/09/17 21:33, Rowland Penny wrote: On Thu, 21 Sep 2017 21:18:41 +0100 Arnt Gulbrandsen wrote: Rowland Penny writes: This is all down to the sysadmins decision and I thought one of the main ideas behind Devuan is that

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 21:41:49 +0100 Arnt Gulbrandsen wrote: > Rowland Penny writes: > > Please stop being obtuse, You know very well what I meant. > > I do indeed, and I think you're wrong. Devuan has taken a no-systemd > decision, that's all. That isn't a promise from

Re: [DNG] New behaviour under Devuan.

Rowland Penny writes: Please stop being obtuse, You know very well what I meant. I do indeed, and I think you're wrong. Devuan has taken a no-systemd decision, that's all. That isn't a promise from anyone to provide alternatives in any other question, or to make alternative packages. Not

Re: [DNG] New behaviour under Devuan.

On 21/09/17 21:33, Rowland Penny wrote: On Thu, 21 Sep 2017 21:18:41 +0100 Arnt Gulbrandsen wrote: Rowland Penny writes: This is all down to the sysadmins decision and I thought one of the main ideas behind Devuan is that nothing is forced on the sysadmin. Systemd

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 21:18:41 +0100 Arnt Gulbrandsen wrote: > Rowland Penny writes: > > This is all down to the sysadmins decision and I thought one of the > > main ideas behind Devuan is that nothing is forced on the sysadmin. > > Systemd isn't forced on you. LOTS of

Re: [DNG] New behaviour under Devuan.

Rowland Penny writes: This is all down to the sysadmins decision and I thought one of the main ideas behind Devuan is that nothing is forced on the sysadmin. Systemd isn't forced on you. LOTS of other things are, starting with the choice of .deb as package format. Arnt

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 19:43:54 +0100 Dave Turner wrote: > > Also, 'su' is just wrong, don't use it, always use sudo, and if you > can find a decent .deb of OpenBSD 'doas' ported to linux use that, it > is even better! > Just because you think using 'su'

Re: [DNG] New behaviour under Devuan.

Quoting Renaud (Ron) OLGIATI (ren...@olgiati-in-paraguay.org): > Anything against having `xhost +` in ~/.bashrc ? Local security, disabling of. One different method: $ ssh -Y root@localhost # gparted & # The '-Y' option enables X11 forwarding. (This of course requires sshd.) You can

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 19:43:54 +0100 Dave Turner wrote: > Also, 'su' is just wrong, don't use it, always use sudo, If I wanted to always use sudo I would be running *ubuntu... Cheers, Ron. -- No one can make you feel inferior without your

Re: [DNG] New behaviour under Devuan.

On 21/09/17 16:41, fsmithred wrote: On 09/21/2017 11:33 AM, KatolaZ wrote: On Thu, Sep 21, 2017 at 11:12:19AM -0400, Renaud (Ron) OLGIATI wrote: Under Debian, I could su to root in a console, and launch gparted from the CLI. Now, I get: ron@ron:~/Desktop $ su Password: No protocol specified

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 16:33:23 +0100 KatolaZ wrote: > you probably just need to `xhost +` from the "regular" user account > before su-ing. By default the current display is not accessible by any > user except the one who launched it. root is not an exception. Anything

Re: [DNG] New behaviour under Devuan.

On Thu, 21 Sep 2017 10:39:13 -0500 goli...@dyne.org wrote: > There was an issue opened up about this 9 months ago: > https://git.devuan.org/devuan-editors/devuan-art/issues/14 > Devuan alternatives were created specifically for xdm but never > transferred to the project and repackaged. OK ta,

Re: [DNG] New behaviour under Devuan.

On 09/21/2017 11:33 AM, KatolaZ wrote: > On Thu, Sep 21, 2017 at 11:12:19AM -0400, Renaud (Ron) OLGIATI wrote: >> Under Debian, I could su to root in a console, and launch gparted from the >> CLI. >> >> Now, I get: >> >> ron@ron:~/Desktop $ su >> Password: >> No protocol specified >> xmodmap:

Re: [DNG] New behaviour under Devuan.

On 2017-09-21 10:12, Renaud (Ron) OLGIATI wrote: And by the way, logging in under xdm (?) I had a shock when the Debian name and logo appeared on the login screen... Cheers, Ron. Hi Ron, There was an issue opened up about this 9 months ago:

Re: [DNG] New behaviour under Devuan.

On Thu, Sep 21, 2017 at 11:12:19AM -0400, Renaud (Ron) OLGIATI wrote: > Under Debian, I could su to root in a console, and launch gparted from the > CLI. > > Now, I get: > > ron@ron:~/Desktop $ su > Password: > No protocol specified > xmodmap: unable to open display ':0.0' > No protocol

[DNG] New behaviour under Devuan.

Under Debian, I could su to root in a console, and launch gparted from the CLI. Now, I get: ron@ron:~/Desktop $ su Password: No protocol specified xmodmap: unable to open display ':0.0' No protocol specified xmodmap: unable to open display ':0.0' No protocol specified xmodmap: unable to open