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115552
Tux's lil' helper
Joined: 09 Aug 2005
Posts: 108
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 Posted: Sun May 06, 2007 6:19 am Post subject: problems switching between two networks on laptop |
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hi all..
I have a laptop which i have to work in between my home and at work. At work, it's just a simple 10.0.0.0/8 network, and at home it's a 192.168.1.0/24 network, but with NFS shares, automounted at boot to my laptop with /etc/conf.d/nfsmount.
I need to be able to take my laptop to work without the hassle of waiting 10 minutes for it to timeout from not finding the NFS shares, and I also need to automate its nameserver recognition. So, here are my questions.
With home network (192.168.1.0) and work network (10.0.0.0). I have two /etc/conf.d/net.home and net.work,
| Code: | cat /etc/conf.d/net.home
config_eth0=( "192.168.15.68 netmask 255.255.255.0" )
routes_eth0=( "default gw 192.168.15.1" ) |
| Code: | cat /etc/conf.d/net.work
config_eth0=( "10.0.0.68 netmask 255.0.0.0" )
routes_eth0=( "default gw 10.0.0.5" ) |
Depending on where I am, i just copy /etc/conf.d/net.home or /etc/conf.d/net.work to /etc/conf.d/net and restart eth0. In this thread if i refer to net.home or net.work, it means that i'm copying them to net, and restarting.
But I found two problems.
1)
The nameservers arn't being updated in /etc/resolve.conf. Each network has two nameservers. I have to manually edit /etc/resolve.conf and comment out the two I don't need. Is there a way to automate this? To tell net.work and net.home to update resolve.conf with their own nameservers respectively ?
2) I had nfsmount running in my default RC when booting up. If i'm at home, that's fine. If i go to work and startup the machine, it takes 10 minutes waiting until it timesout from all the NFS shares. As a temporary solution, ihad to disable nfsmount, and run it manually whenever Ii'm back at home.
Is there a way to tell my laptop to only run nfsmount from net.home, and not from net.work ?
Finally, the way I've set it up as shown, with net.home and net.work, Is this a good method or are there better ones ?
Thanks. |
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UberLord
Retired Dev
Joined: 18 Sep 2003
Posts: 6835
Location: Blighty
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115552
Tux's lil' helper
Joined: 09 Aug 2005
Posts: 108
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| Posted: Sun May 06, 2007 12:32 pm Post subject: |
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| UberLord wrote: | | OK, we have a few automated means of doing this for you. The easiest solution would be to install a DHCP server at each end and then use DHCP on the clients. If that's not possible, then you can do network detection by use of arping. See net.example in /etc/conf.d/ for how to do this. |
Nah, unfortunately at home i need a specific static ip address for all my shares, nfs, and p2p to work. As for work, they do have a DHCP server, but takes me to a different IP range. I need a static ip for work because i'm hosting a http server.
Arping, that i've never heard of. I would give it a try but the bottom sounds better 
| Quote: | Another method is to use different runlevels for home and work. You already have conf.d/net.home and conf.d/net.work - did you know that if you created the runlevels home and work then those config files would be used? Heh.
http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=2&chap=4#doc_chap5
Then you just remove the netmount init script from whichever runlevel doesn't have the NFS servers. |
That i didn't know! i'll try it out when i'm back home. It sounds like a very nice idea.
Thanks for the help, i'll reply when i've done the modifications. |
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