FreeBSD is a free Unix-like operating system descended from AT&T UNIX via BSD UNIX.

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215
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4answers
76k views

Why is FreeBSD deprecating GCC in favor of Clang/LLVM?

So I was surfing the net and stumbled upon this article. It basically states that FreeBSD, starting from Version 10 and above will deprecate GCC in favor of Clang/LLVM. From what I have seen around ...
101
votes
9answers
51k views

Why would someone choose FreeBSD over Linux? [closed]

Why would someone choose FreeBSD over Linux? What are the advantages of FreeBSD compared to Linux? (My shared hosting provider uses FreeBSD.)
36
votes
3answers
18k views

Where does Mac OS X come from?

Discussing with Mac owners, I got several versions of where Mac OS X comes from. It is known to have some root in BSD, but how much, and where? Some say that Mac OS X has a FreeBSD kernel, with all ...
35
votes
2answers
45k views

Get the chmod numerical value for a file

In FreeBSD and also in Linux, how can I get the numerical chmod value of a file? For example, 644 instead of -rw-r--r--? I need an automatic way for a Bash script.
34
votes
1answer
22k views

Linux LXC vs FreeBSD jail

Are there any notable differences between LXC (Linux containers) and FreeBSD's jails in terms of security, stability & performance? On first look, both approaches look very similar.
24
votes
7answers
4k views

How to achieve portability with sed -i (in-place editing)?

I'm writing shell scripts for my server, which is a shared hosting running FreeBSD. I also want to be able to test them locally, on my PC running Linux. Hence, I'm trying to write them in a portable ...
23
votes
7answers
9k views

How can I use DD to migrate data from an old drive to a new drive?

I am upgrading the internal SATA hard drive on my laptop from a 40G drive to a 160G drive. I have a Linux/Ubuntu desktop which has a SATA card. I would actually like to do the same thing for a couple ...
19
votes
3answers
12k views

How can I avoid the prompts when installing a FreeBSD port?

When I install a port, I am often presented with a menu screen to select configuration options. If I'm going to install a really big package with lots of dependencies, that will be extremely ...
19
votes
3answers
1k views

Why don't shell builtins have proper man pages?

All shell builtins share the same manual page: BUILTIN(1) BSD General Commands Manual BUILTIN(1) NAME builtin, ! etc. Then there is a little text describing ...
18
votes
1answer
38k views

FreeBSD: How to fix “ping: sendto: No buffer space available”?

I'm trying to ping a remote host, but I get an error. # ping 192.168.80.1 PING 192.168.80.1 (192.168.80.1): 56 data bytes ping: sendto: No buffer space available ping: sendto: No buffer space ...
18
votes
3answers
3k views

FreeNAS grub2 booting ISO

I've got usb-keys setup to multi-boot different Linux images. I wouldn't mind adding FreeNAS, and there's a doc with samples to add to grub.cfg menuentry "FreeNAS-8.0.4-RELEASE-x64" { insmod ufs2 ...
17
votes
1answer
13k views

What's the sudo equivalent for FreeBSD?

In pretty much any GNU/Linux distribution you use sudo or su, What's the right choice for FreeBSD 10 ?
16
votes
7answers
6k views

What is using this network socket?

I'm trying to use NTP to update the time on my machine. However, it gives me an error: host # ntpdate ntp1.example.org 10 Aug 12:38:50 ntpdate[7696]: the NTP socket is in use, exiting What does the ...
14
votes
4answers
4k views

Some people told me FreeBSD is NOT Unix, is that right? Confused

Some people told me FreeBSD is NOT Unix, is that right? I'm confused. I checked some articles, but the expressions are pretty vague, and I need some clarification.
14
votes
2answers
2k views

Why is root in wheel and operator? Can root being in a group ever make a difference?

I just noticed on my FreeBSD machine that root is in wheel and operator. I'm trying to think of a situation where UID 0 being in a group would have any effect on... well... anything, and I'm coming up ...
13
votes
1answer
7k views

How to update a mix of packages and ports on FreeBSD

I mostly use packages on FreeBSD, because most of them suit me just fine. Some don't suit me, however, like the vim package, which does not include a graphical gvim. No problem. I can install the ...
12
votes
4answers
1k views

Do I need to write man pages for C library?

I wrote a small C library for Linux and FreeBSD, and I'm going to write the documentation for it. I tried to learn more about creating man pages and not found the instructions or descriptions of best ...
12
votes
5answers
3k views

Why should I use Debian 6 with FreeBSD kernel?

Debian 6 will also be available with the FreeBSD kernel. Why did they decide to to that and why should I use it?
12
votes
9answers
14k views

How to apply updates on OpenBSD, NetBSD, and FreeBSD?

I'm using OpenBSD for quite a while now. All I do, however is go from one release to the next, always just doing an update. I configured the system so it works as my router and firewall, and it works ...
12
votes
4answers
746 views

Why does *BSD uses driver specific names for network interfaces? Does it imply limitations?

I notice that depending on the brand of the network card, interface names differ (driver dependent I suppose). Why does *BSD uses driver specific names for network interfaces? Does it mean there is ...
12
votes
3answers
690 views

First FreeBSD install. Is there anything I should know about differences between Linux and BSD?

I want to install FreeBSD today on a spare HDD I have lying around. I'd like to give it a trial run, learn a few things, and if it suits me I'll replace my current Ubuntu 10.10 'server/NAS/encoding ...
12
votes
2answers
2k views

Is there a way to create cow-copies in ZFS?

I am trying to make cow-copies of some files/directories, but of the several ways I know of, all seem sub-optimal. For example, btrfs can, with the use of cp --reflink=auto quickly generate cow-...
12
votes
2answers
4k views

FreeBSD: “Too many open files” but should be able to open another 160,000 files

I have a FreeBSD 8 system running ZFS, with a MySQL 5.5 server which is about 355GB and projected to grow to be a couple of Terabytes. MySQL is triggering errors about "Too many open files" on /etc/...
11
votes
3answers
13k views

ssh port forward to access my home machine from anywhere

http://serverfault.com/questions/303937/how-to-make-freebsd-box-accessible-from-internet I want to understand this whole process of port forwarding. I read so many things but failing to understand ...
11
votes
2answers
2k views

Why does FreeBSD use the GPL-licensed GCC?

Why does FreeBSD use GCC as its default compiler? I am under the impression that a core pillar of the FreeBSD philosophy is not to use any GNU software and in particular, GPL code. Yet GCC which is ...
11
votes
1answer
7k views

What do the different memory counters in FreeBSD mean?

top tells me: last pid: 64807; load averages: 0.99, 0.97, 0.92 up 189+04:47:22 09:16:17 45 processes: 1 running, 44 sleeping CPU: 0.4% user, 0.0% nice, ...
11
votes
1answer
14k views

How To create a FreeBSD 10 bootable USB?

Currently I am Using Linux Mint 17 and I want to dual boot FreeBSD and Linux Mint 17. How can I create Bootable USB for FreeBSD 10? I tried Unetbootin, Image writer and powerISO but it's not working....
11
votes
1answer
7k views

ZFS Snapshot to file as Backup with rotation

I have a local FreeNAS system and want to use ZFS snapshots for backups. FreeNAS has the built-in Replication Tasks which use zfs send snapshot_name to send a snapshot to a remote system. But this ...
10
votes
3answers
709 views

Unix on a DEC VAX?

I just picked up a DEC VaxStation 4000 model 90 with a built in CDROM and an auxiliary SCSI storage module with tape archive drive. I believe it is functional although I cannot test it yet since I ...
10
votes
1answer
621 views

Linux: Is there handy way to exec a program binding it to IP-address of choice?

In FreeBSD 4.9 it was very easy to accomplish with just a single command like jail [-u username] path hostname ip-number command if path was / you had running just the same program as usual but ...
9
votes
4answers
5k views

Where in “/” should extra disks be mounted?

According to Wikipedia http://en.wikipedia.org/wiki/Unix_directory_structure http://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard extra disks should not be mounted in /mnt/ according to the ...
9
votes
7answers
123k views

How can I change the default gateway?

Currently I'm running a FreeBSD 9.1 and the default gateway is already configured in the rc.conf. rc.conf: defaultrouter = "10.0.0.1" But now I want to change the default gateway without rebooting ...
9
votes
2answers
3k views

How to disable daily run output email?

How to disable daily run output email from "Charlie &"? Googled couple of pages, but there is no clear answer. I use ssmtp instead of sendmail
9
votes
4answers
2k views

“no such user” but user is in passwd file

Looking at the files in /etc/: /etc/group:lbutler:*:1005: /etc/master.passwd:lbutler:$6$s..../:1005:1005::0:0:L Butler:/home/lbutler:/bin/bash /etc/passwd:lbutler:*:1005:1005:L Butler:/home/lbutler:/...
9
votes
1answer
2k views

How do I setup Alpine to connect my Gmail account using IMAP?

I am using FreeBSD 8.1 and just installed Alpine email client. I wonder if anybody knows how to setup Alpine to get mail from a Gmail account using IMAP.
9
votes
4answers
11k views

How do I connect a serial terminal to a KVM instance?

Perhaps I'm misunderstanding what KVM is capable of, but the ability to add/remove hardware on the VM seems to imply I can add a serial port that then acts as a terminal. So, my questions are: ...
9
votes
1answer
416 views

How can Solaris sub-partitions be accessed in FreeBSD?

First of all, Linux detects the partitions: sdg1: <solaris: [s0] sdg5 [s1] sdg6 [s2] sdg7 [s8] sdg8 > However, FreeBSD 9.0 shows only the main partition. Is it possible that only Solaris ...
8
votes
3answers
444 views

Trap: can't su as root, can't change group to wheel, ssh as root prohibited

Is this a trap? I made these steps in FreeBSD 10: 1) ssh as root prohibited 2) logged as user 3) su as root 4) as root chsh changed name of user "user" to "luser" 5) exit from ...
8
votes
5answers
4k views

vim on FreeBSD does not react on arrow keys correctly and other vi-like behaviours

I tried to use vim on FreeBSD (via ssh on Linux xterm-compatible terminal). However vim behaves similar to vi out-of-box. For example it does not react on delete key, insert F character instead of ...
8
votes
2answers
7k views

Conceptual difference between Linux and (Free)BSD Kernel

(I've already noticed that this question was asked before but I think it has not been answered in a way I'd like to understand the topic.) What are the conceptual and structural differences between a ...
8
votes
4answers
3k views

sed behaves different on FreeBSD and on Linux?

I use both Linux and FreeBSD (specifically, I use Debian Linux and PC-BSD), and I found something weird about sed. I frequently need to convert "tab separated values" files to "comma separated values"...
8
votes
3answers
8k views

Sharing folder from Windows Host to Freebsd Guest

First of all, let me say that though I use Linux (Red Hat, at work) regularly, I am a complete beginner when it comes to actually administrating it. What I am trying to accomplish: I have (at home) ...
8
votes
2answers
3k views

Is it too early to try LibreSSL? [closed]

I've been somewhat following the development and recent release of LibreSSL and coincidentally I have a new FreeBSD web server that I've been configuring for my personal/hobbyist projects recently. I'...
8
votes
1answer
4k views

Use or convert .ttf font for console use in FreeBSD

I have a monospace .ttf font I really like (UbuntuBeta Mono). Is there any way I can use it (or convert first and then use, if needed) for the console in freeBSD? I know there is usr/share/syscons/...
8
votes
4answers
6k views

FreeBSD + ZFS + Encryption? Alternatives? Suggestions?

I would like to create a dedicated physical server which will work as a NAS & fileserver inside my LAN (as well as through VPN). However I need to fully encrypt the drives (both the system ones ...
8
votes
1answer
313 views

How to Pass High Resolution from GRUB2 to FreeBSD?

I boot FreeBSD-10-RELEASE from GRUB2. I have set up the GRUB2 boot menu to display very nicely at my laptop's max resolution of 1024x768x32. I know it's possible to pass this resolution to the boot ...
8
votes
1answer
848 views

Which virtual terminal is a given X process running on?

When X starts, it searches for the lowest unused VT, and attaches to it. My problem is that when there are several running X processes, I need to be able to identify which one is the currently active ...
8
votes
0answers
180 views

State of ZFS xattr support in FreeBSD

I'm trying to work out whether or not, or rather to what extend, xattrs are supported in FreeBSD using ZFS. I've read some conflicting information. zfs get xattr lists it as on (default) for /, /usr ...
7
votes
3answers
6k views

Host CPU does not scale frequency when KVM guest needs it

I have asked this question on serverfault, but it could also have been posted here. I will synchronise the answers if one is found. Observation: I have an HP server with an AMD dual core CPU (Turion ...
7
votes
1answer
231 views

How does FreeBSD allocate memory?

I am aware that this is simplified/generalized explanation, but top(1) utility divides memory in FreeBSD into six pools- Active, Inactive, Wired, Cache, Buffers and Free. Example from top(1) output: ...