FreeBSD is an advanced operating system for a variety of architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley; and is developed and maintained by a large team of individuals. It is a complete Operating System, including the kernel, drivers, ...

learn more… | top users | synonyms

4
votes
2answers
6k views

Freenas — Choosing the right redundant storage regime (RAID, ZFS, Rsync?)

I've been running a freenas box for a few months as a proof of concept and all seems to be well now reliability wise. So it's time to up the storage capacity and build it into production mode. I was ...
4
votes
3answers
8k views

Failed to enable the 'dataready' Accept Filter

I'm not sure why, but I'm getting this warning when I start my apache... su-3.2# /usr/local/apache2/bin/apachectl start [Wed Sep 23 13:40:42 2009] [warn] (2)No such file or directory: Failed to ...
4
votes
2answers
7k views

Pfsense mbuf full, what to do?

I noticed today that the MBUF usage has hit its limit. Apparently the site I'm running under pfsense is having some troubles too, I'd like to know if it would be safe to just sysctl kern.ipc....
4
votes
4answers
3k views

How do I spamtrap with Postfix?

How do I setup spamtraps with Postfix so clients that send to trapped addresses are prevented from sending me more spam?
4
votes
3answers
6k views

How to install Java JRE on FreeBSD with as few dependencies as possible

I've been trying to get Java working on my FreeBSD 7.1 server. I just want the runtime, since the JDK drags all kinds of unnecessary dependencies with it, and I just need it to run a jar file ...
4
votes
1answer
4k views

where does uname get version number in FreeBSD RELEASE?

I installed FreeBSD 9.1-RELEASE, after binary upgrading to 9.2-RELEASE using freebsd-update, all files I checked are correctly in 9.2-RELEASE-p4. For example: the kernel contains the new version: #...
4
votes
1answer
289 views

routing table vs PF precendence

I am wondering when a packet reaches an interface and I have some PF rules, which gets checked first, the routing table or the ruleset? ext_if = "em0" int_if = "em1" localnet = $int_if:network ...
4
votes
2answers
2k views

Creating you own FreeBSD ami in EC2

I'm running XVM on my laptop. XVM has got FreeBSD installed with all the required ports to run APACHE/PHP. I want this .vdi file to be imported into an EC2 instance. Is it possible to import a ...
4
votes
2answers
982 views

FreeBSD 32bit to 64bit migration

I need to transfer my FreeBSD 7.0 i386 server to another hosting. I would like to also upgrade to the 64bit version (to eliminate 4GB memory limit). The server has common open source software: apache2,...
4
votes
2answers
3k views

Shellshock - “pkg upgrade bash” doesn't update bash to latest 4.3.25

I'm using FreeBSD-9.1-p5. My security run output: Checking for packages with security vulnerabilities: Database fetched: Wed Sep 24 23:01:24 EDT 2014 bash-4.3.24 pkg info bash: # pkg info bash ...
4
votes
1answer
388 views

File is different when read from NFS server

So I have a backup server we've been using for some time, it's a FreeBSD server running zfs and serving it over NFS. The export is simple: /backup/vm -maproot=root -alldirs. If relevant, that was ...
4
votes
1answer
7k views

How often should I defrag ZFS pools?

I ZFS scrub once a month which takes ~24 hours for the 72TB. For what I can find about how often I should scrub is: very busy pools, once per week not so busy pools, once per month or run a scrub, ...
4
votes
1answer
100 views

pfctl in OpenBSD and FreeBSD

I've noticed that both FreeBSD and NetBSD have extra pfctl options: pfctl [-AdeghmNnOPqRrvz] But OpenBSD doesn't, it's missing around five of the extra options: pfctl [-deghnPqrvz] I would have ...
4
votes
1answer
1k views

100% kernel load on FreeBSD 9

I'm having problems with a FreeBSD 9 server. One of the 8 cores (4 w/ HT) is constantly at 100% kernel load. top gives me: CPU: 0.0% user, 0.0% nice, 12.5% system, 0.0% interrupt, 87.5% idle ...
4
votes
2answers
6k views

ZFS: How can I stop a zpool replace that's currently in progress?

A few days ago, I noticed that the ZFS pool on my home server had started reslivering a disk by itself but was no longer making any progress. The disk had some SMART errors (but did not consider ...
4
votes
1answer
1k views

ZFS shows pool state FAULTED, but all devices are ONLINE; how can I recover my data?

Our 100TB NAS based on FreeNAS 8 was unexpectedly powered off due to power failure. After turning it on back, 100TB zpool "projects" was unmounted with state "FAULTED". I've tried zpool import -fFX, ...
4
votes
1answer
255 views

How to install CMake on FreeBSD without Sphinx

CMake recently (September 2014 I guess) started to depend on py27-Sphinx port for its documentation. I actually don't use python on my server, but CMake builds and installs it and its 9 other ...
4
votes
1answer
7k views

ZFS import unable to find any pools

I had a ZFS pool -- a mirror containing 2 vdevs -- running on a FreeBSD server. I now have only one of the disks from the mirror, and I am trying to recover files from it. The ZFS data sits in a GPT ...
4
votes
1answer
282 views

Supress FreeBSD “link down: cable prοblem?” messages

I have a FreeBSD lab machine that is regularly connected and disconnected from the network, sometimes to borrow the port temporarily for another machine and other times to test the ability of certain ...
4
votes
3answers
203 views

Moving files off volume and then back on while preserving all attributes?

I have a situation where I'm testing a new filesystem that has an issue with some metadata. All of the files are intact, however I ultimately have to effectively move every single file off to another ...
4
votes
1answer
684 views

Adding the IP Failover on FreeBSD

I've just bought a dedicated server in OVH.com and they are sending me some warnings in email that I haven't configured my IP Failover address correctly and they're going to block this failover within ...
4
votes
4answers
13k views

SATA Drive and RAID Controller Recommendation for FreeNAS [closed]

I'm looking to build a RAID Array for storage of media (Audio, Video), file server for both CIFS/NFS and as a repository for backups. Performance isn't a huge concern but reliability is as this is ...
4
votes
1answer
2k views

Checking whether disk is in sleep state (FreeNAS)

How to check whether disk is in sleep? I am doing some reports in background and, if disk is already sleeping, I would like to avoid waking it up. Which command can I use to check its status without ...
4
votes
1answer
10k views

MySQL high CPU usage on small website

I have a small website hosted on a dedicated server (FreeBSD 9.2, MySQL 5.6.1 and php 5.5.5). The problem is that MySQL eats a lot of cpu resources even if the website have a few visitors. The ...
4
votes
1answer
355 views

How does broadcasting work on a server with multiple IPs?

Say you have two dhcp servers, A and B. Server A has two IP addresses, 10.0.0.1 and 10.0.0.2. Server B has one IP address, 10.0.0.3. Server A has two instances of isc-dhcp running, one specifying a ...
4
votes
2answers
1k views

Migrate FreeBSD jail

I need to create a freebsd jail for web hosting, that will be frequently migrated between hosts. How feasible is it? Can I use domains instead of IPs? can I use wildcard IPs? I need this to ...
4
votes
1answer
1k views

Import Active Directory users into Unix/Linux/FreeBSD group

I need to have FreeBSD 8.2 RELEASE p9 (running FreeNAS) import or associate Active Directory users (or Security Group) with a Unix/FreeBSD group. This way I can use FreeBSD group(s) security on a ...
4
votes
1answer
7k views

How to use nginx PAM module?

I would like to use nginx PAM module to authenticate a site with existing users on a FreeBSD system. I tried to use pam_unix.so, but no luck. It's just not let me in with my usr/psw pair. :( nginx ...
4
votes
1answer
1k views

Building NanoBSD inside a jail

I'm trying to setup a jail to enable building a NanoBSD image. It's actually a jail on top of a NanoBSD install. The problem I have is that I'm unable to mount the md device in order to do the 'build ...
4
votes
1answer
1k views

Reducing ZFS stream size for offsite backup

NOTE: My understanding of this question has changed significantly since I first asked it (see Edit 2 below) but I've left the original version intact. We've put together an offsite backup system (...
4
votes
1answer
659 views

How to install newer port (PHP >5.1) on older release/world?

On my FreeBSD (home) server I have installed 6.2-RELEASE-p8. This "includes" PHP 5.1. I need to install PHP 5.2 now (because of a dependency, 5.3 would probably also work). Now my (newbie) question ...
4
votes
1answer
2k views

how to troubleshoot using rsyslog to output to a mysql database

Using FreeBSD 8.0 32 bit. I have installed rsyslogd 5.5.5 with ommysql. (installed ports /usr/ports/sysutils/rsyslog55 and /usr/ports/sysutils/rsyslog55-mysql) My rsyslog.conf file looks like: $...
4
votes
1answer
3k views

TCP/IP & throughput between FreeNAS (BSD) server & other LAN machines

I have got a question for someone that knows BSD a bit better than me that are in regards to my LAN setup at home/work here outside Chicago. I can't seem to fully optimize my network's (LAN) ...
4
votes
1answer
59 views

what exactly does fsck do under the covers (for UFS)?

If a computer crashes then the filesystem is an inconsistent state. What exactly is fsck(8) doing to restore to a usable filesystem? Is there a backup table? Is it cross-checking metadata? ...
4
votes
1answer
318 views

Multi homed firewall with ipnat

i am trying (without success) to configure a ipnat/ipf box under FreeBSD 8.2, here is the scenario: outside inside +----+ ADSL 1.2.3.0/...
4
votes
2answers
1k views

How to set up two-factor authentication with OTP on FreeBSD?

I have a FreeBSD server that I like to be able to get to from anywhere. Normally I use SSH publickey to log in, or if I don't have my SSH private key available then I might use regular password over ...
3
votes
7answers
1k views

Changed root's shell to non-existing path

I just made a bit of a mistake: Fresh install of FreeBSD 8.2 logged in as root installed bash from ports created users, setting bash as shell vipw (edit passwd file) changed root's shell from /bin/...
3
votes
3answers
3k views

running freebsd on linode

How do I setup a linode to run FreeBSD? There is an example for NetBSD and references to successful attempts at getting FreeBSD to run but no actual document I can find.
3
votes
2answers
335 views

Join multiple filesystems (on multiple computers) into one big volume

Scenario: Have 10 computers, each have 12x2TB HDDs (currently) in raidZ2 (10+2) configuration, so, in the each computer i have one approx. 20TB volume. Now, need those 10 separate computers (...
3
votes
4answers
2k views

How do I non-interactively update FreeBSD system (and ports)?

Essentially, I am looking for a fully silent, non-interactive version of freebsd-update fetch freebsd-update install and portsnap fetch update
3
votes
1answer
1k views

What are main differences between Linux and FreeBSD system from sysadmin point of view? [closed]

What are main differences between Linux and FreeBSD system from sysadmin point of view ? What specifically and significantly differs Linux from BSD (memory/resources/users management, other ...
3
votes
2answers
6k views

ZFS over iSCSI high-availability solution

I am considering a ZFS/iSCSI based architecture for a HA/scale-out/shared-nothing database platform running on wimpy nodes of plain PC hardware and running FreeBSD 9. Will it work? What are possible ...
3
votes
2answers
6k views

What is the easiest way to upgrade my existing Perl 5.14 to Perl 5.16 on FreeBSD 9 using the ports system?

I use the ports system on FreeBSD. What is the easiest way to upgrade Perl using ports? I currently uninstall all of perl and it's dependencies. I'd think there would be a cool way to upgrade Perl and ...
3
votes
2answers
5k views

Determine the motherboard/chipset type on FreeBSD box

I need to know what chipset / motherboard type for a FreeBSD box. Is there a quick way to do that without ports ? Thanks
3
votes
5answers
3k views

ZFS + FreeBSD + virtualbox

I'm configuring a FreeBSD server hosting virtualbox serving half dozen mission critical busy mail servers. I just learned ZFS, I'm quite attracted, but have a few questions: what is the CPU ...
3
votes
4answers
237 views

Moving live files on a unix like system

On a recent job posting for a general Unix admin at a datacenter, a listed requirement was to move live files in a data center setting. What does this mean and how can one move live files?
3
votes
2answers
610 views

Installing FreeBSD remotely using Ubuntu LiveCD

I realised this is a very specific question, but I am wondering if there is a way to install FreeBSD on a machine using only SSH access to a Ubuntu LiveCD on the server?
3
votes
4answers
4k views

booting FreeBSD 9 from USB stick: boot error

I am trying to boot FreeBSD 9 from a USB stick that I created following the official guidelines: dd if=FreeBSD-9.0-RELEASE-i386-memstick.img of=/dev/da0 bs=64k Booting fails with a simple 'boot ...
3
votes
5answers
3k views

Apache DDoS Protection in router (pFsense) [duplicate]

I'm soon going to change my infrastructure when I buy a new server. I'm going to replace my D-Link DIR-655 router with an pFsense router (and probably use the 655 as an AP) using my old server ...
3
votes
2answers
4k views

“No space left on device” with FreeBSD

When I login with root, and run "mkdir test", the system says "No space left on device". But if I login with other user, it goes well. [/root]df -h Filesystem Size Used Avail Capacity ...