IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 27 November 2014   (all times are UTC)

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04:22
<stanly>
hello can anybody pls tell me how to block application running from server for client??
04:22
especially for fat client
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05:01
<ame>
hi can anyone clear my doubt on how to allow only firefox and some application not all apllications installed on server
05:01
??
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07:25
<ame>
i have a doubt in installing application in chroot...Do the same application should be installed in server also??
07:27
how to add ppa for ltsp-chroot??
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07:53work_alkisg is now known as alkisg
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08:19
<ame>
i have a doubt in installing application in chroot...Do the same application should be installed in server also??
08:19
<alkisg>
No
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08:20
<alkisg>
say your problem with more details
08:20
<ame>
but if i remove my the application from server i cant view in client also but it is installed in chroot
08:21
<alkisg>
What application, are you using thin or fat clients, etc etc
08:21
Which distro/ltsp version...
08:21
<ame>
i have installed freecad in my server and people are using the same software in client...Now i want to reduce my server load so i plan to install the freecad into chroot to take client memory..
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08:22
<ame>
And i removed the software from my server bec i have installed in the location
08:22
<alkisg>
Then you need to add it to the LOCALAPPS_MENU lts.conf variable
08:22
since you're using thin clients, not fat
08:22
!lts.conf
08:22
<ltsp`>
lts.conf: (#1) http://manpages.ubuntu.com/lts.conf, or (#2) lts.conf manpage is available in the ltsp-docs package
08:24
<ame>
am using the both
08:25
having normal 8 computers with 2GB RAM,core2Duo processor and 160GB harddisk and its booting through PXE and 2 thin clients with atom processor without harddisk
08:26
<alkisg>
!ltsp-pnp
08:26
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
08:26
<alkisg>
Try that ^ it's the easiest way to do what you want
08:26
It'll take you less time than to understand localapps etc
08:26
<ame>
so i need to create image again??
08:27
<alkisg>
You can either troubleshoot your existing installation and image, or go with the easy way and set it up again
08:27
Your choice
08:27
Sorry I don't have much time currently to help you troubleshoot your localapps issues
08:28
<ame>
ok
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09:13
<minetreu>
Morning! yesterday i was not able to receive a proper display output >> ltsp5 - futro S450 - S2240T . . . but with chrooting and editing xorg.conf i nailed it. thanks for thoughts and energy
09:14
<alkisg>
If you want, just for feedback, mention the pci id of the client card and the changes you needed to make it work
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09:26
<minetreu>
i am going to offer (in a few hours) the files and roadmap here >> http://em.kione.de/futro-s450-ltsp5-2/
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09:33
<ame>
i have installed application in chroot and i can run the apps by executing ltsp-localapps freecad in client computer
09:37
And i also i have wrote a wrapper scirpt for the application..And i can run the application by simply giving freecad in terminal...Do anybody have idea on how to create shortcut for the clients...
09:38
I know how to create shortcuts on server but not in clients
09:45
<alkisg>
ame: http://manpages.ubuntu.com/manpages/utopic/en/man5/lts.conf.5.html
09:45
LOCAL_APPS_MENU_ITEMS
09:45
This item should contain a comma separated list of application names as they appear on their .desktop files.
09:45
You don't need a wrapper
09:45
That's what this lts.conf directive does
09:45
It puts it in the menu of the clients
09:45
<ame>
Can you pls tell me an example of adding a application like freecad in lts.conf
09:45
??
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09:46
<alkisg>
LOCAL_APPS_MENU_ITEMS=freecad
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09:46
<AlexPortable>
how can i set the default user interface?
09:46
i want lxde, not unity
09:46
<alkisg>
!gnome-classic
09:46
<ltsp`>
gnome-classic: To select gnome-classic as your default session, install the gnome-session-fallback package, and put this line in your lts.conf: LDM_SESSION="gnome-session --session=gnome-classic"
09:46
<alkisg>
You need something similar
09:47
<AlexPortable>
do i have to install lxde on the host os?
09:47
or on the chrooted ltsp environment
09:47
<alkisg>
Are you using thin or fat clients?
09:47
<AlexPortable>
thin
09:47
<alkisg>
Host os then
09:47
<AlexPortable>
What is better, RDP from thin client to server, or LTSP?
09:47
<ame>
mai i know is thsi host OS /opt/ltsp/amd64??
09:48
LTSP is better than RDP
09:48
<alkisg>
AlexPortable: if the clients work with lxde, then surely plain xorg (LTSP) is better than RDP
09:48
!directx
09:48
<ltsp`>
directx: If you want to turn off encryption to the workstation, which will speed up performance at the cost of security, you need to specify LDM_DIRECTX=True in your lts.conf file. Type !docs in IRC to get a link to the current documentation
09:48
<alkisg>
But note this ^
09:48
ame: no, host os is the server installation at /
09:49
<ame>
ok
09:49
<AlexPortable>
What are the host os requirements for ltsp server?
09:49
<alkisg>
!docs
09:49
<ltsp`>
docs: (#1) For the latest community documentation, see the LTSP wiki at http://wiki.ltsp.org/, or (#2) For a PDF with official documentation, install the ltsp-docs package.
09:49
<ame>
so how can i create the shortcut of the applications installed on chroot in clients desktop??
09:49
<alkisg>
There are some hints at the pdf
09:49
<AlexPortable>
And who handles the processing power?
09:50
<alkisg>
AlexPortable: for thins, the server. for ltsp fat clients, the clients.
09:50
<ame>
i have both
09:50
<alkisg>
Fats are better, if they indeed have the cpu for it
09:50
<ame>
thin clients are waste??
09:50
<alkisg>
ame: not on desktop, it goes to the menu
09:50
No, thin clients are not waste
09:50
<ame>
yes i want to do it on menu
09:50
<AlexPortable>
Do fat clients need an harddisk?
09:50
<alkisg>
ame: read again what I said above
09:50
<AlexPortable>
I have 2 systems without an harddisk that I would like to use for this
09:51
<alkisg>
(11:46:28 πμ) alkisg: LOCAL_APPS_MENU_ITEMS=freecad
09:51
<ame>
pls tel me an example of local apps in lts.conf
09:51
<alkisg>
AlexPortable: no, they don't
09:51
ame: stop talking and read
09:51
I already answered many times
09:51
<ame>
so that i will continue by adding other applications also
09:52
<AlexPortable>
so where does the fat client stores it data?
09:52
<alkisg>
AlexPortable: see those 2, the second is easier if it matches your needs:
09:52
!fatclients
09:52
<ltsp`>
fatclients: You may find some info about the Ubuntu/LTSP implementation of fat clients at https://help.ubuntu.com/community/UbuntuLTSP/FatClients
09:52
<alkisg>
!ltsp-pnp
09:52
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
09:52
<ame>
if i want to add another application then i have to give entry again as for example LOCAL_APPS_MENU_ITEMS=mozilla
09:52
<AlexPortable>
it's mounted locally
09:52
<ame>
??
09:52
<AlexPortable>
yeah i'm reading that now
09:52
<alkisg>
ame: LOCAL_APPS_MENU_ITEMS=freecad,firefox
09:52
<AlexPortable>
Home directory is mounted on login (with sshfs, optionally with NFS), while thin client is directly on the server.
09:52
<ame>
super
09:52
<AlexPortable>
ah both are in the network
09:53
<ame>
will the applications installed in chroot will eats clients RAM memory??
09:53
<alkisg>
In the server
09:53
ame: yes, client memory
09:53
<AlexPortable>
are there any configuration differences in fat vs thin clients?
09:53
<alkisg>
Not many, they're usually auto-configured
09:53
<ame>
so i need to add local items menu for only the application to run in client memory right??
09:54
<alkisg>
ame: yes
09:54
<ame>
then good
09:54
<AlexPortable>
FAT_CLIENT_DESKTOPS="ubuntu-desktop"
09:54
this would be FAT_CLIENT_DESKTOPS="lxde" then?
09:54
<alkisg>
the package name
09:54
sudo apt-get install what?
09:54
<ame>
but i build image with FAT_CLIENTS_DESKTOPS="ubuntu-desktop"
09:54
<alkisg>
lxde-desktop? lubuntu-desktop?
09:55
<AlexPortable>
sudo apt-get install lxde
09:55
<ame>
And i installed gdm and purge lightdm
09:55
All my clients are working good
09:55
then what is thsi lxde??
09:55
<alkisg>
AlexPortable: probably sudo apt-get install lubuntu-desktop, if you're talking about ubuntu
09:55
ame: we're not talking about you now
09:55
<AlexPortable>
well i have lxde installed via that command
09:56
<alkisg>
AlexPortable wants lxde, and I'm telling him how to install it
09:56
<ame>
and only more doubt sometimes all my clients are working slowly??may i know why??\
09:56
like hanging and if we select an option it will take sometimes to execute
09:56
ok
09:56
sorry
09:57
<AlexPortable>
is it normal that /etc/ltsp/ltsp-build-client.conf and /etc/ltsp/ltsp-update-image.conf are empty by default?
09:57
<alkisg>
They both should not exist by default
09:58
<AlexPortable>
ok
09:59
<ame>
what are the types opf entry in lts.conf for RAM consumption??
09:59
where can i get it detaily??
10:00
<alkisg>
They're called "desktop environments", google it
10:03
<ame>
i have done the entry in lts.conf as u said but still my application in menu eats my server memory
10:03
i have installed the applicatiopn both in chroot and host os also
10:04
<alkisg>
Put your lts.conf to pastebin
10:04
!pastebin
10:04
<ltsp`>
pastebin: the LTSP pastebin is at http://ltsp.pastebin.com. Please paste all text longer than a line or two to the pastebin, as it helps to reduce traffic in the channel. Don't forget to paste the URL of the text here.
10:05
<AlexPortable>
default session is the one in the /etc/ltsp/ltsp-build-client.conf ?
10:07
<alkisg>
It's either decided dynamically (the first one of the installed DEs), or via LDM_SESSION=xxx
10:08
<ame>
paste bin means?/
10:08
<AlexPortable>
ok
10:08
ame: http://pastebin.com/
10:08
<ame>
what is the use of paste bin??
10:08
<AlexPortable>
._.
10:08
<elias_a>
To share the contents to the people who help you.
10:08
<AlexPortable>
how to differentiate in thin and fat clients?
10:09
<ame>
oh
10:09
<AlexPortable>
i want 1 thin client, and the rest should be fat clients
10:09
<alkisg>
AlexPortable: [mac address] LTSP_FATCLIENT=False for that one
10:10
<ame>
This is the single problem for mr
10:10
<AlexPortable>
/etc/ltsp/ltsp-build-client.conf ?
10:10
<ame>
i just cant able to see the menu in desktop menu thats all
10:11
<elias_a>
alkisg: LTSP κερδίζει τη δημοτικότητα ή οι χρήστες παίρνουν ηλίθιο για κάποιο λόγο ...
10:11
<alkisg>
elias_a: hehe :) sorry but that doesn't make sense, write it in english!
10:11
<ame>
And how to block the applications installed on server because all applications installed on server can see by users..
10:12
<alkisg>
elias_a: in my region, more than half of the schools here are now using ltsp
10:13
<elias_a>
alkisg: That is good to know!
10:13
<alkisg>
For high schools, it's up to 95%... :)
10:13
<minetreu>
hi alkisg, hi elias_a
10:13
<alkisg>
Hi minetreu
10:13
AlexPortable: no, in lts.conf
10:13
!lts.conf
10:13
<ltsp`>
lts.conf: (#1) http://manpages.ubuntu.com/lts.conf, or (#2) lts.conf manpage is available in the ltsp-docs package
10:14
<minetreu>
what region are you in elias_a
10:14
<elias_a>
minetreu: Finland, SW corner of the country.
10:15
minetreu: I just have the bad habit of using Google translator and commenting stuff to alkisg in "Greek".
10:16
But as Greek is as difficult for computer translations as Finnish, the output is very often both "Greek" and nonsense. ;-)
10:17
<minetreu>
elias_a: ok, i am in germany - i see only some schools, but they are far from using linux/ltsp
10:17
<elias_a>
minetreu: You see some schools - where?
10:18
<ame>
Do we need to update the image after editing lts.conf in the location /opt/ltsp/amd64/etc/lts.conf
10:18
??
10:18
<minetreu>
nope
10:18
<ame>
[example] key=value SOUND=True [Default] LOCALDEV = true [default] NBD_SWAP=True LOCAL_APPS = True LOCAL_APPS_MENU_ITEMS=freecad,firefox,arduino
10:19
The above are the only values i entered in lts.conf
10:19
<alkisg>
ame: use /var/lib/tftpboot/ltsp/amd64/lts.conf
10:19
Not /opt/ltsp...
10:19
<ame>
oh ok ok
10:19
in host os??
10:19
<alkisg>
Yes
10:20
<ame>
but i dont find any file in the name of lts.conf in the location??
10:20
i need to create??
10:20
<alkisg>
Yes
10:21
<ame>
Can u please send me a sample page of lts.conf and not syntax??
10:21
<alkisg>
Google please
10:21
Not much time for detailed help
10:22
<minetreu>
cool, three answers, which i could have given correct, makes me knowing 0.03% of ltsp
10:22
<ame>
so we only need to entry the things we want like local apps,local dev like that right??
10:22
no need for the configuration which i send you??
10:22
[example] key=value SOUND=True [Default] LOCALDEV = true [default] NBD_SWAP=True LOCAL_APPS = True LOCAL_APPS_MENU_ITEMS=freecad,firefox,arduino
10:24
<minetreu>
i recommend: alias ltsconf="sudo nano /var/lib/tftpboot/ltsp/amd64/lts.conf" exchange your arch...
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10:25
<ame>
sorry minetreau i dont get you...can you say clearly?
10:26
<minetreu>
sure, i recommend setting up a alias, while working on the lts.conf, saves time, i guess
10:27
$alias ltsconf="sudo nano /var/lib/tftpboot/ltsp/amd64/lts.conf"
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10:28
<minetreu>
or append the line to your ~/.bash_aliases and $source ~/.bash_aliases
10:28
ok?
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10:30
<ame>
Thank you all for your better guidance and help but my doubt on creating shorcut on menu is not cleared still...i have did entry in the location as you said i dont find the application running on locally
10:30
its still eating server memory
10:32
<minetreu>
i hungry now
10:35
<ame>
oh then have food
10:55
<minetreu>
:) always better working after filling up nutrition depots
11:02
alkisg: how do cli reboot your clients (without epoptes)
11:03
<alkisg>
I don't use cli to reboot the clients
11:04
<minetreu>
makes me asking you, on how could i achieve this :)
11:06
or how to, without being physical present on the client nor the screen
11:08
<alkisg>
You could setup passwordless ssh
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11:16
<minetreu>
mmh - i was sure there is a way, killing a users session by knowing his pid through 'whoison' results the client to be in greetingscreen
11:16
here i can find settings/reboot
11:18
and a ip
11:19
which is pingable from servers terminal, unfortunately my brain is not able to figure the next step
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12:35
<minetreu>
!ltsp-pnp
12:35
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
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13:16
<AlexPortable>
So I should configure a desktop, and then create ltps server on it?
13:16
ltsp*
13:16
instead of configuring a server
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13:29
<AlexPortable>
so
13:29
i disabled dhcp on the main router
13:29
yet i can't get ltsp to work
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14:52
<epoptes_user7>
hello, can this application be used on tablets, windows and android?
14:54
<AlexPortable>
How can I deploy LTSP while I already have a DHCP server?
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15:00
<AlexPortable>
When I remove isc-dhcp-server: The following packages will be removed: isc-dhcp-server ltsp-server-standalone
15:00
how can i only remove dhcp-server?
15:13
<muppis>
Your dhcpd runs elsewhere?
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15:23
<muppis>
AlexPortable, run 'update-rc.d isc-dhcp-server disable && /etc/init.d/isc-dhcp-server stop' and you can ignore it.
15:24
<AlexPortable>
muppis: I have a router with dhcp
15:24
muppis: will the cient still see the server now?
15:26
<muppis>
Not the dhcp from ltsp-server, but you adjust next-server -option in router dhcpd.
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15:35
<AlexPortable>
Huh
15:49
<work_alkisg>
AlexPortable: try to follow the ltsp-pnp page from scratch, on a newly installed desktop machine, it should work as you want it out of the box
15:49
!ltsp-pnp
15:49
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
15:49
<AlexPortable>
I just followed ltsp page
15:51
<work_alkisg>
Which ltsp page?
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15:53
<AlexPortable>
https://www.thefanclub.co.za/how-to/how-create-ubuntu-1104-x64-ltsp-server-32bit-thin-clients
15:54
<work_alkisg>
OK, don't use that one, use the one I pasted above
15:54
!ltsp-pnp
15:54
<ltsp`>
ltsp-pnp: ltsp-pnp is an alternative (upstream) method to maintain LTSP installations for thin and fat clients that doesn't involve chroots: https://help.ubuntu.com/community/UbuntuLTSP/ltsp-pnp
15:57
<work_alkisg>
AlexPortable: what are your client specs? cpu, ram?
15:57
<AlexPortable>
700 to 2 gb
15:58
cpu, mostly singlecore, 1 dual core i believe
15:58
<work_alkisg>
OK, so use the i386 desktop image
15:58
<AlexPortable>
but I also would like to use another pc with more than 4 gb ram
15:58
but not sure on that yet
15:58
<work_alkisg>
i386 supports up to 64 gb ram
15:58work_alkisg is now known as alkisg
15:59
<alkisg>
And I'd suggest that you use the gnome-flashback package
15:59
Are you going with 12.04 or with 14.04?
16:00
<AlexPortable>
debian 7
16:00
<alkisg>
Is that wheezy?
16:00
<AlexPortable>
yes
16:00
<alkisg>
OK so you don't need the ppa steps from the ltsp-pnp wiki page
16:01
The rest of the steps should work fine
16:02
Wait I think someone has a debian ltsp-pnp page
16:02
https://wiki.debian.org/LTSP/Howto ==> paragraph: Installing LTSP using the LTSP-PNP method
16:02
Use that one instead ^
16:02
<AlexPortable>
What is PNP method exactly?
16:03
<alkisg>
It's a way to have ltsp without a chroot. To "export" the server chroot and use it for the clients as well.
16:03
So you have e.g. i386 + gnome-flashback for the server, and maintain it like any desktop machine,
16:03
then you run ltsp-update-image -c /, and the server OS is compressed and exported for the clients too
16:04
<AlexPortable>
well so I have to use a dedicated machine for this?
16:04
<alkisg>
So it's very easy to maintain it graphically
16:04
<AlexPortable>
I can't put it on my server?
16:04
or should I run it in a vm
16:04
<alkisg>
Wait, aren't you the one that was asking yesterday about how to maintain the "chroot" graphically?
16:05
<AlexPortable>
no
16:05
<alkisg>
Sorry, my bad
16:05
Forget all I suggested :)
16:06
<AlexPortable>
That moment when you already started installing
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16:07
<AlexPortable>
Well w/e :D
16:07
anyway
16:07
so not use the PNP Method?
16:07
<alkisg>
I don't know your use case, I can't suggest!
16:08
But if you already have a real server not dedicated to ltsp, then no, ltsp-pnp isn't for that
16:08
..unless you use a VM
16:08
!proxydhcp
16:08
<ltsp`>
proxydhcp: A proxy DHCP server is defined by the PXE specification as a server which sends auxiliary boot information to clients, like the boot filename, tftp server or rootpath, but leaves the task of IP leasing to the normal DHCP server. More info: https://help.ubuntu.com/community/UbuntuLTSP/ProxyDHCP
16:08
<alkisg>
About the existing dhcp, you can read that ^ page, it does have some info that you might need to adjust for debian
16:09
I think the "https://wiki.debian.org/LTSP/Howto ==> paragraph: Installing LTSP using the LTSP-PNP method" will also have information about proxydhcp
16:09* alkisg is out...
16:09alkisg is now known as work_alkisg
16:11
<AlexPortable>
can I upgrade the image on a VM?
16:11
but still distribute it on my server?
16:11
<work_alkisg>
sure
16:11
<AlexPortable>
how can I do this?
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16:13
<work_alkisg>
sorry, really gotta go, next time :)
16:14
<AlexPortable>
ok
16:14
thanks anyway
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17:40
<minetreu>
users sudo passwd is gone in ltsp-pnp... only me conquering this? i mean by su'ing and set a new it is ok... but why is that?
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19:24
<stevecook>
Hello. My name is steve cook. I have ltsp server installed on ubuntu 12.04 with a fat client running off it. I am able to establish an internet connection fine after logging in. however, each time, i must re-enter my internet passphrase. Please could somebody tell me how to automatically get internet access without having to enter the passphrase ash time?
19:43
<AlexPortable>
steve jobs = tim cook = steve cook
19:43
:D
19:49
Which image do I have to move to my tftp server for upload?
20:02
<stevecook>
Hi alex. I wish I has Steve job's money and I don't have c lue who time Cook is...lol......anybody here can help me with my problem?
20:05
<AlexPortable>
Nah everyone is afk here :P
20:05
Tim Cook is the CEO of apple
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20:10
<stevecook>
ah right. That's a hell of a conincidence! Nobody else on here then? I't bugging the hell out of me having to enter the internet passphrase each time I log onto the fat client. There must suirely be a way to enable the connection automatically
20:13
<alkisg>
stevecook: LDM doesn't support unlocking gnome-keyring
20:13
Use a keyring that doesn't have a password
20:13
(for the keyring, not for the connection)
20:15
https://major.io/2009/02/26/prevent-gnome-keyring-from-asking-for-a-password-when-networkmanager-starts/
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20:28
<stevecook>
thanks, I'll take a look at the link
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22:44
<stevecook>
Hello folks. Came on earlier to learn how to avoid having to enter admin password when connecting to internet connection on fat client. Have now fixed that. Only problem remaining is the need to then enter the wireless passphrase. I want to avouid users having to do this so that it connects automatically. Any advice gratefully recieved
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