If you forgot when you deploying (installing) a server (or Desktop) with Linux OS (esp. RedHat and its derivatives) you can check date of first file created after successful installation. You need root privileges to check the file.
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Create your own Instant Messaging Server!! The company need it on Internal Network due most Instant Messaging will be blocked. It’s a squeezed how to from http://jabberd2.xiaoka.com/wiki/InstallGuide and http://jabberd2.xiaoka.com/wiki/InstallGuide/MU-Conferencing
= Introduction =
No, I wont tell you what is IM, jabber, jabberd, XMPP, CentOS, etc. There are plenty of those info on Google.com and wikipedia.com. Sorry folk. Why don’t we get to the point and install it on your server.
I was going to use “Proxy Server using CentOS 4.6 and Squid+Adzapper and DansGuardian+ClamAV” for title but that to long 
.
My current proxy server was a left over from the previous SysAdmin, and I never touch nor fix it, coz it aint broked 
. But after several monitoring, the use of Internet from users is getting high, virus risk, and they no longer productive (actually for the last I dont care as I am not their employer)
This new proxy it has ability to
• Scan all traffic for virus
• Zap/remove ads/banner
• Content filtering based on naughtyness level and sites category
• ACL based on IP Address