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Aug
24
answered iptables question: forwarding port x to an ssh port of different machine on the network
Aug
24
comment Tutorial: from registered domain to running mail server on ADSL connection?
OK, you have been warned. The default mail server under Ubuntu is exim, which is an excellent choice in terms of flexibility and security. The exim community has excellent online documentation at exim.org/docs.html. This will handle the SMTP part, you then need a server/daemon that handles the IMAP part. For this I would recommend courier-imap, which is also a standard package under Ubuntu, and they have documentation at courier-mta.org/imap/documentation.html Good Luck.
Aug
24
answered Tutorial: from registered domain to running mail server on ADSL connection?
Aug
24
answered is there a command that automatically downloads files from server?
Aug
24
answered Should core system servers be able to connect to the internet for maintenance/support?
Aug
23
comment Can you use your own drives on Dell PowerVault MD3000i?
In some cases the specific firmware includes features for de-duping data on a block level (e.g. NetApps does that).
Aug
23
answered Differences between SSH's tunnels and OpenVPN
Aug
23
answered Virtual Server Networking
Aug
23
comment Virtual Server Networking
Be careful, the NAT mode has some limitations (documented in the manual).
Aug
23
answered Small Business Server 2008 without Exchange… how and why?
Aug
23
comment rsync over ssh performance
RAID will only speed up your disk access if you use RAID0 (stripes). All other forms of RAID generally don't result in a speed gain. If you want faster disk access, you need faster disks, and make sure they are spread nicely across your disk adapters.
Aug
23
comment Connected to VPN, I can ping and remote into servers but cannot connect to http, svn or mssql
That's probably because he made sure the firewall would let traffic for his machine go through. And that is the correct way to do this (reduce access to the minimum that will do the job).
Aug
23
awarded  Supporter
Aug
22
comment Two-Way SSH VPN Tunnel and UDP Connection Tracking
Could you post the content of your routing tables on A and B? That should shed some light.
Aug
21
answered Two routers on different subnets - will this configuration work?
Aug
21
comment nslookup can't find anything
DNS forwarding has to be configured in the DNS server, it is NOT automatic. If you don't need internal DNS, I would simply point to the external DNS servers provided by your ISP. If you do need internal DNS, then configure that to resolve unknown hosts through the DNS servers provided by the ISP.
Aug
21
awarded  Autobiographer
Aug
21
answered Ubuntu Server - Two Interfaces Living Together (in perfect harmony)
Aug
21
answered du vs. df difference
Aug
21
answered How Can I monitor internet usage within my lan