Date: Wed, 27 Nov 2013 14:42:46 -0800 From: Yuri <yuri@rawbw.com> To: Polytropon <freebsd@edvax.de> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: What is the "thinnest" display manager available? Message-ID: <52967566.2010108@rawbw.com> In-Reply-To: <20131126035706.a04de661.freebsd@edvax.de> References: <5293C1D4.3010608@rawbw.com> <20131126035706.a04de661.freebsd@edvax.de>
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Polytropon, Thank you for taking time and writing up such detailed instructions! Will use them. Regards, Yuri On 11/25/2013 18:57, Polytropon wrote: > On Mon, 25 Nov 2013 13:32:04 -0800, Yuri wrote: >> I want to have as few packages installed as possible, and I want to use >> small window manager (dwm). But what is the thinnest display manager >> available? I know kdm and gdm both work, but both pull a ton of >> dependencies which I don't want. > I'd say the classic xdm won't be a bad choice: it's common, > secure, easy to use, and fast. If you're using WindowMaker > for one or more accounts on your system, maybe wdm isn't > a bad choice. > > However, xdm and wdm are started by an entry in /etc/ttys. > > > >> Features required: >> * automatic start (through /etc/rc.conf) >> * automatically run xorg and window manager of choice >> * automatically login a particular user >> * not many or no dependencies >> >> What is the smallest display manager that qualifies? > If I understand your requirements correct, "no display manager" > would be a possible answer. You want to automatically login a > particular user? You don't even need a display manager then. > A display manager works similarly to login: ask for a user name > and a password, then run the appropriate startup shell and > scripts. For auto-login, this is not required. > > > >> Or maybe there is an easy way to run xorg + WM with some simple shell >> script? Anything like this ready to use? > Everything for this task is present in the base system, it just > requires a few steps. I'll provide a little howto in case this > is what you need (refactored from an earlier post I wrote to > that list). > > > > Step 1: > > In /etc/gettytab, > > autologin:\ > :al=<USERNAME>:tc=Pc: > > is to be placed _after_ the "default:" entry. This step defines > the "getty profile" for an automated login with the username > "olivares" as associated to the "al=" parameter. Also note > the "tc=" parameter which incorporates the default "Pc" > settings (that you can encounter in the next step's working > file). Here, <USERNAME> is the user you want to be logged in > automatically. > > > > Step 2: > > In /etc/ttys, the line for ttyv0 is to be changed like this: > > ttyv0 "/usr/libexec/getty autologin" cons25l1 on secure > > This instructs the "getty" program to use the "autologin > profile" at system startup and automatically log in the > user <USERNAME> (see step 1). > > Attention: Maybe you need a different console configuration; > "cons25" is the system's default. In Germany, I have to use > cons25l1 for the local magic. :-) > > Make sure you _don't_ have a line calling xdm here - maybe this > causes conflicts. > > > > Step 3: > > In /home/<USERNAME> (or where $HOME is located for that user), > make ~/.login end in > > [ ! -f /tmp/.X0-lock ] && startx > > For bash, this would go to ~/.bash_login. Other shells may > have different startup files; see "man sh", "man csh", > "man bash" and "man <yourshell>" for details. > > To become independent from the actual login shell, you can > write this command into a script that is executable by the > user, e. g. "chmod +x /opt/bin/autostartx"; if you have > /opt/bin in $PATH, you just need to call "autostartx" in > the correct startup file. Then _any_ shell startup script > could contain the call that script, like this: > > #!/bin/sh > [ ! -f /tmp/.X0-lock ] && startx > exec $0 > > You can also make this script local to your user in ~/bin, > maybe you already have that in $PATH. > > Attention: This _might_ get you into an "infinite loop" if > something is _really_ wrong. :-) > > You can even modify the script to _restart_ X if it should > have crashed, so you don't fall back to the console in > case of a severe error (and enter "startx" again). > > > > Step 4 (optional): > > In order to combine the use of xdm (or other DMs) and the > different system shells, for your user account there can be > some additional settings. > > In ~/.xsession, put > > #!/bin/csh > source ~/.cshrc > exec ~/.xinitrc > > This file will be executed in case xdm is used. I am using the > C shell as a dialog shell here, so this makes sure my shell > settings get incorporated. Then control will be given to the > .xinitrc file, usually executed when you run "startx", but > xdm _may_ have a different opinion. > > In ~/.xinitrc, put all your X startup stuff. > > #!/bin/sh > [ -f ~/.xmodmaprc ] && xmodmap ~/.xmodmaprc > #xrandr --fb 1400x1050 > #xrandr --size 1400x1050 > intclock -geometry 186x65+151-0 & > xload -geometry 150x70+0+826 -bg white -fg black -hl gray \ > -scale 5 -label "System load" -update 1 & > xmbmon -g 150x100+0+897 -tmin 20.0 -tmax 70.0 -cmtmb CPU \ > -cltmb blue -cmtcpu CS -cltcpu cyan -cmtcs SYS \ > -cltcs green -vmin 2.0 -vmax 3.0 -cmvc V -clvc red & > xclock -geometry 50x50+50+998 & > xbiff -geometry 50x50+0+998 & > xlogo -geometry 50x50+100+998 -render & > xcpufreq -geometry 183x167+151+826 -cpuscalecolor grey \ > -freqscalecolor grey -scales 6 -update 1 -jumpscroll 1 & > xterm -geometry 80x25+0+465 -class NOCLOSE_TERMINAL -fg black \ > -bg beige -title Terminal & > xsetroot -solid rgb:3b/4c/7a > xset b 100 1000 15 & > xset r rate 250 30 & > xset s off & > xset -dpms & > exec wmaker > > The first line (#!) is optional. I'm not fully sure if those > files have to be +x attributes (I _have_ those settings, no idea > where they came from and why they are still here). But it works, > so I don't question it. :-) > > The last line, "exec", contains the call to the desired window > manager. Maybe the file just needs to be as short as maybe > > #!/bin/sh > exec startxfce4 > > to do everything you need. > > > > > > >
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