FAQ for the 'FreeBSD' Category

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Linux / UNIX: Find Volume Information From CDs and ISO Images

Q. I can use dd command to create ISO images from a CD but how do I get volume information from CDs and ISO images from a shell prompt?
BSD PF Firewall: Displays Active Packetfilter States And Rules

Q. How do I view active connections with PF firewall under FreeBSD / OpenBSD UNIX operating system?
Explain: Five Nines ( 99.999% ) Computer / Network Uptime Concept

Q. Some service provider guarantees 99.999% uptime for their service. Can you explain meaning of five nines?
Linux / UNIX: Create Username or Groups in UPPER Case

Q. How do I create username or user groups in upper case under Linux / *BSD / UNIX operating systems?
How To: Make Sure /etc/resolv.conf Never Get Updated By DHCP Client

Q. I’m using GNU/Linux with the Internet Systems Consortium DHCP Client. dhclient, provides a means for configuring one or more network interfaces using the Dynamic Host Configuration Protocol. It also updates my /etc/resolv.conf each time my laptop connects to different network. I would like to keep my existing nameservers. How do I skip /etc/resolv.conf update?
FreeBSD csh / tcsh: Export Shell Variable

Q. I’m using FreeBSD 7 with csh (tcsh) shell. How do I export shell variable under FreeBSD operating systems?
TCPDump: Capture and Record Specific Protocols / Port

Q. How do I capture specific protocol or port such as 80 ( http ) using TCPDump tool under Linux / UNIX? How do I recording Traffic with TCPDump and find problems later on?
Find command: Exclude / Ignore Files ( Ignore Hidden .dot Files )

Q. How do I ignore hidden .dot files while searching for files? How do I ignore or exclude certain files while running Linux / UNIX find command?
FreeBSD: How To Add A Second Hard Disk

Q. How do I add a second hard disk to my FreeBSD server? How do I partition, label and mount a new hard disk under FreeBSD for backup or additional data?
Vbulltin PHP Xcache Displaying Same Forum Data For Both Boards Error and Solution

Q. I’ve followed your Xcache php 5.x opcode cacher installation under RHEL 5 for my vbulltin board. I see good boosting in performance. Now I’ve installed 2nd VB forum on the same server and I see all sub-forums hosted from 1st forum. So I had to disable Xcache. I want Xcache for both board on same host. How do I fix this mess?