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 ).

I have recently started to managing FreeBSD server along with Ubuntu Linux. However, sudo command, always shows me the following error:

zsh: command not found: sudo

How do I solve this problem and use sudo under FreeBSD 9.x system?

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I know how to find out battery life status using Linux operating system. How do I monitor battery status on a laptop running FreeBSD version 9.x?

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How do I look up for DNS (Domain Name System) information on a Linux or Unix-like systems using command line options?

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I can use iptables -L -n command with Linux operating system to list the current firewall rules. How do I list all the current firewall rules under OpenBSD / FreeBSD / NetBSD operating systems? How can I see all pf firewall rules using command line tool?

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I need to transfer a file called ‘some cool movie.avi’ that contains whitespace under rsync. How do I escape a filename or directory name with spaces in them while using rsync command under Linux / *BSD / Unix like operating systems? How do I use rsync when files / dirs contain spaces?

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How do I allow any ordinary users (such as my son or wife) to mount CD-ROMs, DVDs, USB drives, and other removable media on our home server powered by FreeBSD operating systems?

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How do I find out all empty files and directories on a Linux / Apple OS X / BSD / Unix-like operating systems and delete them in a single pass?

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