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05:06 < crash3m> yep, I'm gonna have to learn UML pretty darn quick so I can get all my services off of the main box
05:07 < crash3m> just interested in how much space its going to take to get 7 UML's up on the same server
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05:10 < mortck> hi folks
05:11 < crash3m> 'lo
05:12 < mortck> quick question:
05:12 < mortck> what would be the right parameters to linux to start the debian image from the uml sf hp?
05:13 < mortck> i am running into some slight respawning troubles ;-)
05:14 < mortck> already changed the /etc/inittab file in the image to one getty with 1:2345:respawn:/sbin/getty 38400 vc/0
05:14 < mortck> started a screen instance
05:15 < BB> mortck might be you need or dont need devfs (devfs=mount or nomount)
05:15 < mortck> and did "linux con=null con0=fd:0,fd:1 devfs=nomount"
05:16 < caker> con0 is tty0 inside the uml. -- sometimes vc's don't work for me
05:16 < mortck> hmm
05:17 < mortck> caker what does your linux line look like?
05:17 < caker> it's huge, but the relevant parts you have the same
05:17 < mortck> what else could i try?
05:17 < caker> con=null con0=fd:0,fd:1 .. start from screen session, set up an getty on tty0
05:21 < mortck> tty0 of the uml machine?
05:21 < caker> yes in inittab
05:22 < mortck> as far as my knowledge goes, the linux kernel needs some place to write his output to
05:22 < caker> co:2345:respawn:/sbin/mingetty tty0, on my redhat distro
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05:23 < mortck> so the question is, when i do start a um in a screen session, does the upper line make the linux binary send the output to STDIO?
05:23 < caker> more or less, yes
05:24 < frediz> hi all
05:25 < mortck> well caker, you are right, it works
05:25 < mortck> what does con0=fd:0,fd:1 do then?
05:26 < crash3m> what kind of risks would I be looking at using UML on a production server?
05:40 < BB> that depends on the length of your piece of string i would guess
05:53 < crash3m> its pretty long actually
05:58 < BB> then you might be lucky ;)
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06:02 < crash3m> hehe
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08:43 < jks> anyone have a few minutes to help a UML newbie? -- I can't get networking working properly :-(
08:44 < wojci> jks: Read the howto. Or reread it a few times.
08:44 < jks> this one? http://user-mode-linux.sourceforge.net/UserModeLinux-HOWTO.html 
08:45 < jks> been there, done that :-(
08:45 < wojci> jks: Try again. 
08:45 < jks> won't work :-)
08:45 < wojci> Why not?
08:45 < jks> anyways, I'll just describe my problem.
08:45 < jks> (because I do not understand it properly to make it work)
08:46 < jks> I use an ethertap, and assign the UML "machine" an IP of it's own.
08:46 < jks> (public ip)
08:46 < wojci> jks: If so, are you sure you want to use linux at all? ;P
08:46 < jks> wojci: I know my way around Linux
08:46 < wojci> jks: Right.
08:46 < jks> anyways, when I for example SSH to that public IP, I just get into the main server
08:48 < jks> also I can't entirely figure out to how to exactly get into the UML machine from the "console" 
08:48 < wojci> jks: Can you for example ping the uml from the host machine?
08:48 < jks> yep, ping works fine
08:48 < wojci> jks: Are you sure? run tcpdump inside the uml to be sure.
08:49 < jks> wojci: I can't get into the UML sadly :-/
08:49 < jks> Get an message like this:
08:49 < jks> redhat72 login: Warning: This program is an suid-root program or is being run by the root user.
08:49 < jks> The full text of the error or warning message cannot be safely formatted
08:49 < jks> in this environment. You may get a more descriptive message by running the
08:49 < jks> program as a non-root user or by removing the suid bit on the executable.
08:49 < jks> xterm Xt error: Can't open display: %s
08:49 < wojci> jks: Your UML is not started? 
08:49 < jks> It is started.
08:49 < jks> But I'm not running X... and they all seem to somehow require X?
08:50 < wojci> jks: You can get a console going without X.
08:50 < jks> wojci: I'm using the rh7.2 pristine server root file systems from the page
08:50 < jks> wojci: and when I get to the login prompt, they just give me that error.
08:51 < wojci> jks: First step: loging into the UML, and setup its interface and routing.
08:51 < jks> wojci: okay, but do you have any tips for how to login to the UML ?
08:51 < wojci> jks: If you solve this, I belive your networking is going to work as it should.
08:51 < jks> wojci: okay, well, at least it would give me a prompt where I can actually do something about it ;-)
08:51 < jks> wojci: do you have any ideaS?
08:52 < wojci> Here is what I use to start one of my umls:
08:52 < wojci> root@umlbox:~# uml_cntrl.pl -pretend -start 0
08:52 < wojci>  /pack/UML-tools/bin/tunctl -b -u uml0 -t tap0
08:52 < wojci>  /sbin/ifconfig tap0 arp mtu 1500 10.0.0.50 up
08:52 < wojci>  /sbin/route add -host 10.1.0.50 dev tap0
08:52 < wojci>  /usr/sbin/arp -Ds 10.1.0.50 tap0 pub
08:52 < wojci>  /usr/bin/screen -S box0:BOXX0 -d -m /bin/su - uml0 -c "/pack/UML-root/kernel/linux-2.4.20/linux-b0rked tty_log_fd=3 ubd0=/pack/UML-root/fs/0/Debian-3.0r0.ext2 ubd1=/pack/UML-root/fs/0/swap.img root=/dev/ubd/0 eth0=tuntap,tap0,fe:fd:0:0:0:50,10.0.0.50 mem=64M umid=0 uml_dir=/pack/UML-root/var/run 3>>/pack/UML-root/var/logs/0.ttylog.log"
08:52 < jks> Okay, hmmm
08:53 < jks> I just started mine like this: linux ubd0=root_fs.cow,root_fs ubd1=swap eth0=ethertap,tap2,C0:FF:EE:C0:FF:EE,192.168.0.1
08:53 < jks> uml_cntrl.pl -- what is that exactly? (I haven't got it here)
08:53 < wojci> Own script.
08:53 < jks> Okay, so what does it do ?
08:53 < wojci> Set up UMLs based on short config files.
08:54 < jks> Okay, so it basically runs those other commands, right?
08:54 < wojci> UMLs, networking, firwalling and QoS.
08:54 < wojci> Yes.
08:54 < wojci> jks: But I do use custom kernels.
08:54 < jks> Okay
08:55 < wojci> Ones that I configured myself.
08:55 < jks> Yes ;-)
08:55 < jks> I gave up custom configuring kernels some years ago
08:55 < jks> Too much work, too little time
08:56 < wojci> from .config:
08:56 < wojci> CONFIG_STDIO_CONSOLE=y
08:56 < wojci> # CONFIG_SSL is not set
08:56 < wojci> CONFIG_FD_CHAN=y
08:56 < wojci> # CONFIG_NULL_CHAN is not set
08:56 < wojci> # CONFIG_PORT_CHAN is not set
08:56 < wojci> # CONFIG_PTY_CHAN is not set
08:56 < wojci> # CONFIG_TTY_CHAN is not set
08:56 < wojci> # CONFIG_XTERM_CHAN is not set
08:56 < wojci> CONFIG_CON_ZERO_CHAN="fd:0,fd:1"
08:56 < wojci> CONFIG_CON_CHAN="xterm"
08:56 < wojci> CONFIG_SSL_CHAN="pty"
08:56 < wojci> CONFIG_UNIX98_PTYS=y
08:56 < wojci> CONFIG_UNIX98_PTY_COUNT=256
08:56 < wojci> # CONFIG_WATCHDOG is not set
08:56 < wojci> # CONFIG_WATCHDOG_NOWAYOUT is not set
08:56 < wojci> # CONFIG_SOFT_WATCHDOG is not set
08:56 < wojci> # CONFIG_UML_WATCHDOG is not set
08:56 < jks> Yep, yep, no problem.
08:56 < wojci> # CONFIG_UML_SOUND is not set
08:56 < wojci> # CONFIG_SOUND is not set
08:56 < wojci> # CONFIG_HOSTAUDIO is not set
08:56 < wojci> CONFIG_TTY_LOG=y
08:56 < jks> I have kernel config done.
08:57 < jks> hmm, you have setup a user called uml0, right?
08:57 < wojci> jks: Hmm .. you should get a console from whatever terminal you run that uml from.
08:57 < wojci> jks: Right.
08:57 < jks> wojci: Yes, I do get that --- but it doesn't respond to my keypresses :-/
08:58 < jks> Maybe I should try getting a debian image instead of a redhat root filesystem
08:59 < wojci> jks: I have a redhat image, it works.
08:59 < jks> wojci: weird stuff
08:59 < jks> I'll just try debian
08:59 < wojci> I should make my script public .. that would make life easier for some people ;)
08:59 < jks> Good idea!
09:00 < wojci> bash-2.05# uname -a
09:00 < wojci> Linux redhat72.wojci.dk 2.4.20-5um #12 Sat Aug 2 15:59:02 CEST 2003 i686 unknown
09:00 < jks> It's not exactly easy to get working, when I can't get it working ;-)
09:00 < jks> Damn Danes!
09:01 < wojci> jks: Heh .. 0x503e4c12.arcnxx4.adsl-dhcp.tele.dk
09:01 < jks> det er da godt at vi er nogle aalborgensere herinde ;-)
09:01 < wojci> Klart :)
09:01 < jks> hvor arbejder du nu?
09:01 < wojci> Jeg er også på #linux, undernet.
09:01 < wojci> jks: Kender du mig?
09:02 < jks> næh, så bare lige på din hjemmeside
09:02 < wojci> jks: Arbejder? Heh
09:02 < jks> ved bare jeg har set din hjemmeside før
09:02 < jks> du kender ikke reverse / ether / Michael Knudsen, vel ?
09:02 < wojci> Jo.
09:03 < jks> (For noget godt forhåbenligt)... det må vist være ham, der har vist mig din hjemmeside på et tidspunkt så
09:03 < wojci> Fandt du noget spændende?
09:03 < jks> næh, han skulle vist vise mig en eller anden film, der så ikke var der længere ;-)
09:03 < wojci> Hmm .. der har vist aldrig være film på min hjemmeside ..
09:04 < jks> så var det nok et billede
09:04 < jks> hmm, kender du et hurtigt sted man kan downloade debian root fs fra ?
09:04 < wojci> <http://www.wojci.dk/pictures/album/>
09:04 < jks> arh, der var et her på uml-pub
09:04 < wojci> jks: En af de der mirrors.
09:04 < wojci> Hvad skal du egentligt bruge UML til?
09:05 < jks> til at lege med :-)
09:05 < jks> og hvis det virker, så måske til at lave nogle hygge servere med
09:05 < jks> http://uml-pub.ists.dartmouth.edu/uml/ kender du et hurtigere mirror end den her? kan kun downloade med 8 kb/s ? :-(
09:06 < wojci> jks: Jeg er lidt imod at udgive software under GPL lige nu .. eftersom jeg ikke tjener penge på det.
09:06 < wojci> Jeg husker at jeg hentede fra tyskland, tror jeg.
09:06 < jks> wojci: hehe, tjah... så sælg da softwaren istedet for?
09:06 < wojci> Den der hoved site er lidt rodet.
09:06 < wojci> jks: Tjah, det er lidt svært at sælge et .pl script.
09:07 < jks> wojci: tjnah, det er da lykkedes for mig?
09:07 < wojci> Ja, sikkert noget on-line bras ;P
09:07 < jks> næh, dog ikke ;-)
09:07 < jks> jeg laver rimeligt meget perl kode hver dag
09:08 < wojci> jks: Jeg er gået over til at kode c++, lige så snart det er noget større.
09:08 < jks> c++ har jeg aldrig rigtigt fundet mig godt til rette i 
09:08 < jks> jeg lærte det for tidligt
09:08 < jks> dengang der ikke var STL og templates og den slags pjat
09:08 < jks> så jeg bruger normalt Java hvis det skal være "stort" ellers bare Perl eller C
09:08 < wojci> Heh. Hvorfra kender du reverse fra?
09:08 < jks> er i gruppe med ham ude på uni
09:09 < wojci> s/hvorfra/hvor/
09:09 < wojci> Jeg kan ikke lide C eller C-kodere ;P
09:09 < wojci> Og java gider jeg ikke, da jeg ikke kan styre hukommelsen.
09:09 < jks> LOL ... så kan du HELT sikkert ikke lide reverse
09:09 < jks> hmm, hvorfor pokker vil du gerne styre hukommelsen?
09:09 < wojci> jks: Jo jeg kan - han er lidt af en undtagelse.
09:10 < wojci> Det er sært, at en som er så sikkerhedsinteresseret, så koder i C.
09:10 < jks> wojci: jeps, helt klart
09:10 < jks> men GC er vel næsten altid et plus i sikkerhedsregnskabet
09:11 < wojci> Tjah. Jeg kan godt finde ud af at rydde op efter mig selv.
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09:11 < jks> (og nu min favorit kæphest som reverse elsker at sige er en løgn) GC'ede sprog er hurtigere end ikke GC'ede sprog
09:11 < wojci> Jeg koder stadigvæk lidt C i C++, men er i gang med at prøve på at lade være med det.
09:12 < wojci> Ikke, at jeg f.eks. bruger malloc sammen med new -;)
09:12 < jks> hehe ;-)
09:14 < wojci> jks: Hmm .. jeg har faktisk planer om at skrive noget a la uml_cntrl.pl i c++. Men jeg skal lige blive færdig med mit gtkmm projekt.
09:14 < wojci> Og nu skal jeg til at skrive noget.
09:14 < wojci> Vi ses :)
09:14 < jks> Snakkes!
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11:09 < Suidakro> hi all
11:09 < Suidakro> I have problems with modules
11:10 < Suidakro> I have read the method for installing kernel modules
11:10 < Suidakro> but it doesnt work for me, I am doing something wrong
11:11 < Suidakro> anyb can help me?
11:11 < BB> no idea, not used modules
11:11 < Suidakro> I am installing in laptop and I need natsemi module for network device
11:12 < BB> you would only need the eth driver in the host kernel
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11:15 < Suidakro> putting natsemi.c in /lib/modules/2.4.20 is enough?
11:16 < Suidakro> I need to compile natsemi.c to get natsemi.o no?
11:18 < BB> you put it wherever it normaly goes
11:18 < Suidakro> I did...
11:19 < Suidakro> I thinking if I use the anfitrion filesystem it will works fine....
11:19 < Suidakro> I currently using a filesystem downloaded from uml site
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14:47 < Rygel> hi there
14:48 < Rygel> question: Is there a redhat9 file system downloadable somewhere that works alright?
15:00 < mortck> Rygel: goto usermodelinux.org
15:00 < mortck> scroll down
15:00 < mortck> there is a link on that page to such a fs
15:29 < AquaJo> mortck: do you know which filesystem the redhat images uses?
15:29 < AquaJo> ext2,3, reiser?
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20:29 < david> hello
20:30 < Aetherios> lo
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--- Log closed Mon Aug 18 00:00:00 2003