"dd" block size question

Hello, If I want to clone a hard disk drive using "dd", can I just use an arbitrarily large block size to speed up the process? For example, dd if=/dev/hda bs=32768k of=/dev/hdc or is the block size dependent on something and has to be carefully chosen? What block size should I choose to clone

iptables help requested

Hello, I think iptables may be blocking SMTP. I cannot figure out how. Could you tell me if I am correct and how I can fix it? Two NICs: eth0 is the LAN and eth1 is the WAN Here are my iptables-save and iptables -L -n outputs: # Generated by iptables-save v1.2.9 on Sun Sep 5 12:43:05 2004 *na

Is this a DNS issue?

Hello, The SMTP email server on my Debian Woody machine responds to: telnet mymachine.mydomain.com 25from the LAN telnet mymachine 25from the LAN telnet IP_address 25from the LAN On the server (mymachine) itself, this is what happens: telnet mymachine.mydomain.com 25does not re

Apache2 binary mod_perl for Woody?

Hello, Where can I download binary mod_perl for Apache2 built for Woody? I checked backports.org but came up empty. What is apt-get's sources.list sequence to download this module? I downloaded Apache2 from backports.org but the mod_perl module was not automatically downloaded. Thanks, Guru -