Linux Networking
in [Network]
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VPN questions Hi, my university provides me with a vpn server that I would like to use in order to encrypt my data while using an open WiFi. In this context, I have couple of questions: 1) What is the general idea behind a vpn? Can this be basically seen as the following configuration ?: |ME| <--WLAN/unsafe--> |VPN S... 28 May 2010 09:18
VPN questions Hi, my university provides me with a vpn server that I would like to use in order to encrypt my data while using an open WiFi. In this context, I have couple of questions: 1) What is the general idea behind a vpn? Can this be basically seen as the following configuration ?: |ME| <--WLAN/unsafe--> |VPN S... 8 Jun 2010 14:51
NFS boot: where are the mount options ?!? Hello all, I have an embedded card, bootloader and kernel on flash, the kernel starts with the options: CONFIG_CMDLINE="console=ttyUL0,115200 rw root=/dev/nfs ip=bootp" The root filesystem is then mounted from a PC. The PC also does DHCP server. Then I have a working card, but plenty of NFS errors: Linux/P... 28 May 2010 04:59
Using unprotected Wifi Hi, I have to use an unprotected wireless network (it's not administrated by me). When I understand it correctly, using this WiFi is not safe since all data (such as passwords that I type on my console when I use ssh ...) is transfered unencrypted, i.e., it can be basically read by anyone. Is there a way to u... 3 Jun 2010 23:25
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SOLUTION Re: find and autofs About 3 months ago I was having trouble with my msec nightly cronjob trying to search the remote disks of every host I have listed in /etc/hosts It would do that because autofs would mount all of those hosts in /net/<fqdn_hostname> A few days ago I discovered that if I change from the default of "yes" to ... 25 May 2010 12:24
vlan issue with bridge router, local virtual iface needs to be in same subnet Hello people, I have a Linux machine acting as a bridge although it has been updated to the 2.6.27 kernel and thus contains iptables, ebtables and also the br-nf code for iptables based filtering at the Link layer (please correct me if I have misunderstood anything). I have been trying to ping the bridge itself ... 25 May 2010 11:18
ARP cache size increase: how to find if this is necessary? I have seen a few reccomendations which reccomend increasing the ARP cache size for networks where more than 512 hosts are on the same IP subnet. e.g. here: https://wiki.fysik.dtu.dk/niflheim/System_administration#kernel-arp-cache But is there a way of knowing from logs etc. if this fix is indeed needed for m... 3 Jun 2010 06:44
Performance in German Vodafone 3G network Trying to set up a ppp mobile broadband connection within the German 3G network (APN mail.partner.de) I experience serious performance issues: The connection lives up to some 300kb/s but then drops down to a few kb/s for extended time. The modem (Samsung Z100) claims reception to be good and 3G/HSDPA to be avai... 5 Jun 2010 12:30
Extended deadline (15 July 2010): CACS Singapore [EI Compendex,ISTP,IEEE Xplore] [ Please forward to those who may be interested. Thanks. ] ================================================================== 2010 International Congress on Computer Applications and Computational Science CACS 2010 http://irast.org/conferences/CACS/2010 4-6 December 2010, Singapore ==============================... 24 May 2010 00:28 |