FreeBSD Tutorials and HowTos

Here you will find tutorial about FreeBSD unix operating system such as – configuration of network, PF firewall/packet filtering, NTA, FreeBSD kernel, building and installing packages, storage, networking services, including HTTP/HTTPS, FTP, NFS, SMB, SMTP, SSH, and NTP ( rss/feed ).

virt-manager requires GUI locally and it is slow. On other hand virt-install is a command line tool for provisioning new virtual machines using the “libvirt” hypervisor management library. The tool supports both text based & graphical installations, using serial console, SDL graphics or a VNC client/server pair. The guest can be configured to use one or more virtual disks, network interfaces, audio devices, and physical host devices (USB, PCI). You can use the virt-install to create virtualized guests as follows to install FreeBSD or CentOS.

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How do I install vnStat under FreeBSD 8 operating system to keep track of my network traffic?

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BIND9 dynamic updates allow remote servers to add, delete, or modify any entries in my zone file. How do I disable dynamic updates under BIND 9 (named) for any zone?

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How do I upgrade FreeBSD 7.2 to FreeBSD 8 stable using csup source code method including all ports?

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How do I configure Bind 9 dns server views to allow a single nameserver in my DMZ to make different sets of data available to different sets of clients? For example, I’d like to run recursion, some other data for LAN users (192.168.1.0/24), and for the Internet user I’d like to display limited DNS data without recursion. How do I configure views to partition external (Internet) and internal (LAN) DNS information?

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I‘m using Logwatch for reporting on unusual items in syslog. I’ve central logserver up and running. All other Linux servers send logs to a remote loghost called log.example.com. How do I configure Logwatch on the central log server so that it will send daily logs messages in a single e-mail?

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I got rsnapshot based backup server up and running for my network under Debian Linux 5.x. But, whenever I run a backup job using the following command:

rsnapshot -v -c /root/rsnapshot.server1.conf hourly
I get the following messages on screen:

WARNING: Could not lchown() symlink “/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/locate”
WARNING: Could not lchown() symlink “/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/nc.1.gz”
WARNING: Could not lchown() symlink “/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/jexec-binfmt”
WARNING: Could not lchown() symlink “/nas/.rsnapshot/hourly.1/server1.example.com/etc/alternatives/servertool”

How do I fix this problem?

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