/srv/irclogs.ubuntu.com/2008/09/29/#edubuntu.txt

=== bddebian2 is now known as bddebian
=== calimer- is now known as calimer
=== nubae1 is now known as nubae
sbalneavMorning all14:50
jsgotangcohi!14:52
sbalneavHey Jerome!14:55
jsgotangcosbalneav: ive been busy :)15:22
sbalneavWell, that's good15:23
sbalneavBetter to be busy than sitting around doing nothing15:23
=== hfsdo_ is now known as hfsdo
GJHello. I added a third network interface (eth2) in my server to connect to a wireless access point and need help getting clients on that interface to reach the Internet.19:32
GJI configured dhcp to dish out ip addresses to wireless clients and that is working OK.19:33
GJThe thin clients connect through eth0 and that still works as it did before I added the third network interface.19:34
LnsGJ: so you're saying the wifi (eth2) clients can't get out to the internet though?19:36
GJYes19:36
LnsGJ: i'm pretty sure it has to do with the default route you need to set up for eth219:37
Lnstry command 'route -n' on a wifi client and see what it says19:37
GJThe wifi clients are Windows machines.19:39
GJJUst because this server is an Edubuntu server shouldn't make it unusable by Windows machines that just need access to the Internet, should it?19:41
LnsGJ: no.19:42
Lnshold on19:42
GJThe default route has to do with the DHCP option routers, doesn't it?19:48
LnsGJ: i believe so19:51
GJDo I have to create a static route?19:52
GJThe option routers doesn't seem to help. I've tried several IP addresses there.19:53
GJI don't think there is any firewall set up on this server.19:54
nubaehttps://help.ubuntu.com/8.04/serverguide/C/firewall.html20:05
nubaecheck masquerading... that should help u20:06
ToastieHey guys21:40
ToastieI've been considering using Edubuntu in the home21:40
ToastieWhat are the pro's / con's?21:41
LnsToastie: why not look at edubuntu.org and find out? :)21:46
Toastie:D21:46
ToastieAt first I was considering using the current home server (based on none other than, have a guess), but I thought it might be pointless due to the fact it'd just one client21:48
ToastieHowever, the computer it'd be running on isn't exactly powerful21:48
ToastieWould edubuntu be suited to the home?21:48
nubaesay I have 2 files, and I want to add just the suff that differs from teh first file to the second21:48
nubaehow do I do that easily?21:49
nubaebeen looking through diff, but dont think it does that21:49
Lnsnubae: you can pipe diff through sed/awk21:49
Lnsprobably21:49
LnsToastie: Edubuntu is basically Ubuntu with educational software pre-installed. Do you need educational software?21:49
ToastieLns: Yes21:50
LnsToastie: ok, then there ya go. :)21:50
nubaeLns: dont forget the pretty pictures21:50
ToastieAnd that doesn't make it sound very special :P21:50
Lnsnubae: of course!21:50
LnsToastie: it's very special, just not too different than stock ubuntu.21:50
ToastieOK21:50
LnsYou can take an Ubuntu installation and turn it into Edubuntu pretty easily.21:50
nubaelooks nicer though, usually they have a custom background21:51
ToastieSee at the moment, I'm moving house21:51
nubaelike right now we have a very artsy heron on the background21:51
nubaeheh21:51
ToastieSo I've decided to update / refresh the house infrastructure21:51
Lnsnubae: well that depends...a client of mine didn't like the edubuntu backgrounds/artwork, the kids using it above, say, 9 thought it was too childish for them21:51
ToastieHehe21:51
ToastieEven I like some of the backgrounds :P21:51
ToastieEspecially this one21:52
Toastiehttp://edubuntu.org/images/tour/desktop.png21:52
nubaeI remember a couple distros back we had some real childish desktop backgrounds21:52
Lnsnubae: thats what i was referring to, it was the feisty days21:52
ToastieCan I see ??21:53
nubaeyeah I remember that, installed it from primary only21:53
nubaelooking for it online, found the last one, but thats not it...21:55
nubaehttp://jonathancarter.co.za/russian-schools-switch-to-linux-and-new-edubuntu-wallpaper21:55
nubaehttp://kmandla.wordpress.com/2008/01/29/an-ubuntu-retrospective-in-wallpaper/21:58
nubaethere it is...21:58
nubaewe had the kid homies one installed for primary... heh21:59
Lnsnubae: that's what I had too hehe21:59
LnsI <3 Warty default bg...always loved that one22:00
Lnserrr, breezy. =p22:00
nubaeI never saw warty... before my ubuntu days22:01
nubaeI jumped on the ubuntu wagon with breezy22:01
nubaeor hoary maybe even...22:01
Lnsahh, the name confusion astounds me... /me loves the oldschool, version number way of referring to things22:04
LnsEver since stupid Microsoft and Windows 95...all downhill from there!22:04
LnsYou get questions from people like "Well what happened to Windows 96 and 97?"22:04
LnsAnd confusion between Windows 98 and Office 97..ugh22:05
Lnswhat a crappy way of referring to a version of software..like it'll go stale after a year22:05
ToastieExactly22:05
ToastieHowever, what's to say date/month is better than year?22:05
Lnsand the naming convention for *buntus doesn't help too much, they're just too hard to remember22:05
ToastieWell22:06
LnsToastie: well I don't think that's a good way either22:06
Lnsthat's just me though22:06
ToastieThey've stuck to their schedule so far22:06
ToastieSo the .04 .10 .04 .10 scheme isn't so bad22:06
Lnsas long as they do that..but see, that makes it impossible for them to change22:06
Lnswhich is a real tiedown for their business model.. why intentionally screw yourself that way? If you ever do have to change it, it just causes confusion.22:08
Lnsnot to mention it suffers from the Y3k bug.22:08
Toastielol22:08
ToastieWill it still be going on then?22:08
Lns*buntu? I sure hope so22:08
ToastieThere wasn't exactly a Windows 3000BC22:08
nubaeheh...22:09
Lnsno, as in 8.04 (year/month)22:09
ToastieI know :)22:09
Lnslol22:09
* Lns looks strangely at Toastie 22:09
nubaeI just realised now what the numbers symbolised... lol22:10
Toastielolol22:11
ToastieI have a bad habit22:13
ToastieIf I download a big file22:14
LnsI guess if they ever decided to ditch the year/month scheme, they could just pick up from there with normal versioning22:14
ToastieI once lost an 8GB download that took me months22:14
nubaethats why wget exists22:14
ToastieSo now if I have a file bigger than 500mb22:14
ToastieI tar it and save it to /etc/backup22:14
ToastieThen give it the +i attrib22:15
ToastieBad habit, but it comes in handy sometimes22:15
nubaeisnt that a good habit?22:15
ToastieNo22:16
ToastieBecause my harddrive is messy :)22:16
nubaegod sed and awk rock, but I hate them too22:21
nubaelove hate relationship that22:21
Toastiehmm22:26
ToastieOK22:26
ToastieIs it possible to install edubuntu and remove it once testing is completed?22:26
Lnsnubae: i agree...so hard to understand, but so powerful =)22:26
ToastieI mounted the iso and I'm browsing the mount point, but I'm only seeing windows executables22:27
LnsToastie: of course you can remove it =) depends on the context though.22:27
ToastieCan I install it from ubuntu?22:27
ToastieLike I did with kubuntu-desktop22:27
ToastieOnly from my original download?22:27
LnsI'm not 100% sure but I think you just need to install 'edubuntu-desktop' and it'll work22:27
Lnsdon't quote me on that though22:27
ToastieI can't download it again :(22:28
Lnsno, the package22:28
ToastieAAH22:28
Lnsfrom your current ubuntu22:28
ToastieI found it22:28
ToastieThe sh script22:28
nubaesed -n 'G; s/\n/&&/; /^\([ -~]*\n\).*\n\1/d; s/\n//; h; P'22:28
Lnsnubae: heh..looks like PCL printer code22:28
nubaethat deletes duplicated lines22:28
nubae:-)22:28
Lnsnubae: that seems overly complicated, can't you use grep for that?22:29
nubaegrep for what? I'm not sure where the differences in the 2 files will be22:29
Lnsnubae: for deleting duplicate lines22:29
Lnsi guess i don't get your situation =p22:30
Toastiehmm22:31
nubaeI'm writing all the stuff in this awk -v LIMIT=$UGIDLIMIT -F: '($3>=LIMIT) && ($3!=65534)' /etc/passwd >> /etc/.passwd22:31
nubaebut obviously if that gets run again, it will just append duplicates22:31
Lnsnubae: ahh, you're xferring users?22:31
nubaeso need to find duplicated lines in the file and delete it...22:31
nubaeyeah a cron job from the fat client then grabs the .passwd file and writes to its own /etc/passwd22:32
Lnsoh gotcha, ok22:32
nubaethat way no need for nbd to rebuild all the time22:32
Lnshmmmm22:32
nubaeI guess I could use rsync22:33
Lnsnubae: but rsync only does whole files22:34
nubaeright but doesnt it look at only changes?22:34
nubaeor u mean it doesnt know if files are different22:34
Lnsnubae: not sure actually. From the man page: The rsync remote-update protocol allows rsync to transfer just the differences between two sets of files across the network connection, using an efficient  checksum-search  algorithm"22:37
Lnstwo SETS of files...22:37
LnsI could be wrong, but i always thought rsync transferred entire files, not just changes in the files.22:39
ToastieLns22:40
ToastieI'm 80% sure it only transfers changes22:40
ToastieIt's the whole idea22:40
ToastieI could be wrong though22:40
LnsToastie: ahh, i think you're right.22:41
nubaedont know if its changes in files or changes in directories22:41
Toastiehmm22:41
ToastieOK22:41
ToastieRight now22:41
ToastieI wanna evaluate Edubuntu before I rework things tomorrow with the equipmen22:41
ToastieAll I have right now:22:41
nubaemight work via timestamp22:41
Toastieedubuntu-8.04.1-addon-i386.iso22:41
Lnsnubae: its a checksum type algorithm..22:42
nubaeok yeah so thats actually not a bad way to do it22:43
ToastieMy laptop (80GB harddrive, two partitions, one's encrypted and sensitive, other in use by current Ubuntu. Can't install another OS tonight)22:43
ToastieAnd no CD's / etc22:43
LnsToastie: edubuntu-desktop package?22:44
LnsToastie: and edubuntu-addon-* packages22:44
ToastieLns: That'll require a significant download22:45
ToastieAnd when I tried to remove kubuntu-desktop22:45
ToastieIt left me with hundreds of unneeded applications22:45
LnsToastie: well you have to get it *somehow* =p22:45
LnsToastie: edubuntu-8.04.1-addon-i386.iso - you have this but you are mounting it loopback?22:46
ToastieBut I just downloaded the addon cd ISO :P22:47
ToastieCorrect22:47
Lnsok22:47
nubaejeez you US guys must be pretty freaked with the whole 700 billion dollar thing being rejected22:47
Lnsnubae: nope22:48
ToastieI'm not from the US :)22:48
LnsI am, but i'm glad it was rejected22:48
nubaeyeah well, otherwise u'd be paying for that...22:49
ToastieLns: Just because it saves you $2,333 :P22:49
nubaebut its gonna be fun on wallstreet tomorrow22:49
LnsToastie: if it were on an actual CD, it would probably launch something...maybe try auto start options on cd? I'm not sure, never used the cd for installing it before22:49
Lnsnubae: It's Wall Street's problem, not the taxpayers'... let them sink. We're not there to save companies from going under.22:50
Toastienubae, how's Austria this fine evening?22:50
nubaecold, but peaceful...22:50
Lnsnubae: heh, we have your Arnold!22:50
nubaeAustria has non of these problems... country with far too much money22:51
Toastielol nubae22:51
nubaepeople here tend not to use credit, ever...22:52
LnsI think our problem is that we're not sticking to a gold standard anymore. We're printing money and inflation follows. DUH! =p22:52
nubaeevery country has left the gold standard22:52
LnsAnd people don't like that milk costs $2.50 today and yesterday it cost $1.50..so they buy less.22:53
Toastiehmm22:53
ToastieLns22:53
ToastieCan 'mount' mount an iso to a device?22:53
nubaebut yeah it should be related to a real value22:53
ToastieIn particular, cdrom0?22:53
Lnsnubae: exactly.22:53
LnsToastie: not sure22:53
ToastieBecause it'd autorun then :)22:53
LnsI would think it could somehow22:54
Lnsmaybe if you enabled autorun with the loopback device ;)22:55
ToastieBah23:04
ToastieIt didn't autorun23:04
ToastieBut I just ran /media/cdrom0/cdromupdate&23:04
ToastieIt's upgrading now23:04
LnsToastie: nice.23:05
ToastieWhat the23:05
Toastie"Upgrading to Ubuntu 8.04 LTS"23:05
ToastieThe update packages are EXACTLY the same as my dist-upgrade packages23:06
ToastieSo I'm beginning to wonder if it's actually upgrading to edubuntu23:06
nubaeu need edubuntu-artwork23:07
ToastieCan you choose the source of an apt install?23:07
nubaethats really the only change... edubuntu-desktop brings in some educational programs, thats all23:07
ToastieYes but I want to see the variety :)23:08
LnsToastie: you can choose the source of the apt install through /etc/apt/sources.list23:09
ToastieBut that means I'll have to edit it again afterwards23:09
ToastieANd it's getting late and I'm tired :P23:09
LnsToastie: http://pastebin.ca/121411923:09
LnsToastie: if your issue is re-editing a file to get packages off of a CD, then I don't think anyone can help you. =p23:10
LnsConsider the alternative23:10
Toastie"[sudo] password for jerickson: "23:11
ToastieIs that username not too long?23:11
Lnsjerickson? no ? what do you mean?23:11
ToastieIs the limit not 8 chars?23:12
Lnshehe, no23:13
ToastieI'm confused23:13
ToastieYou sure?23:13
ToastieAah23:14
LnsToastie: $ sudo adduser thisisareallylongusername23:14
LnsAdding user `thisisareallylongusername' ...23:14
LnsAdding new group `thisisareallylongusername' (1008) ...23:14
Lns.23:14
Toastiebrian@brian-laptop:~$ sudo useradd iwannahaveareallylongusernametoo;sudo userdel iwannahaveareallylongusernametoo23:15
Toastiebrian@brian-laptop:~$23:15
ToastieMeh23:16
=== nubae1 is now known as Nubae
ToastieYay23:35
ToastieInstalled23:35
ToastieMy menus just doubled23:35
ToastieHow do you remove entries?23:35
Nubaeright click edit menus23:39

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