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awarded  Organizer
2d
revised Linux DNS caching for performance and safety
Added dnsmasq tag
2d
suggested approved edit on Linux DNS caching for performance and safety
2d
answered Linux DNS caching for performance and safety
Jun
12
answered What kind of network attack turns a switch into a hub?
Feb
14
comment Linux backup using tar
Let me second the pointer to backuppc. If you have several machines to backup, backuppc is a dream come true. Best thing of it is it's deduplication and compression.
Jan
22
awarded  Editor
Dec
7
comment Someone used my postfix smtp (port 25) to send spam mails to me
I agree 100% with SvenW. You should not be running a mail server accessible from the internet without a real good background on the topic. There are excellent books on this.
Dec
7
awarded  Supporter