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, ...

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8
votes
2answers
10k views

Need to replace disk in zpool … confused

I need to replace a bad disk in a zpool on FreeNAS. zpool status shows pool: raid-5x3 state: ONLINE scrub: scrub completed after 15h52m with 0 errors on Sun Mar 30 13:52:46 2014 config: ...
101
votes
4answers
141k views

FreeBSD performance tuning: Sysctl parameter, loader.conf, kernel

I wanted to share knowledge of tuning FreeBSD via sysctl.conf / loader.conf / KENCONF / etc. It was initially based on Igor Sysoev's (author of nginx) presentation about FreeBSD tuning up to ...
13
votes
3answers
1k views

Log every command executed from root

I want to give access to my root server to an external system administrator, but i want to be sure to double check what he is doing to my server, e.g. copying data i don't want them to do and so on. I ...
3
votes
3answers
2k 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?
7
votes
3answers
7k views

Dovecot user lookup fails when using username@domain format

I have Dovecot v2.0.11 installed on a FreeBSD server and the user lookups for incoming email addresses are failing, but lookups for system users is successful. Dovecot is setup to use system users, ...
10
votes
4answers
5k views

Can I trust that ZFS is consistent between Linux and FreeBSD?

I'm planning to build a FreeNAS box sometime soon, but if ZFS on Linux eventually proves to be reliable, I might want to switch, just to have a more familiar OS. So I'm wondering if I can trust that ...
2
votes
1answer
466 views

FreeBSD: usernames longer than 16 chars

Can someone give me the complete process to change FreeBSD from a 16 char max to 64 char max on unsername length? Essentially this is to add some support for Virtualmin/Webmin. Inspired from ...
0
votes
4answers
502 views

How to make proxy on nginx?

How would I set my webservers to work in way described below? Http request: mypublic.com ---> handled normally by nginx as it is set up already (listen 80;) Http request: myprivate.com ---> handled ...
6
votes
1answer
1k views

Does ZFS replace the need for hardware/software RAID?

I want to provide protection against data loss on my servers. Typically, I'd use hardware RAID 1 or 5, but I've been reading up on ZFS. Is it correct that ZFS itself provides RAID 1 or 5 like data ...
2
votes
2answers
1k views

Installing embedded pfsense, stuck at boot loader

I am trying to install pfSense embedded image 1.2.3 RC1 onto a CF card. The box looks like it is ready to boot, but gets stuck at "Loading /boot/defaults/loader.conf" followed by "/". Can anyone ...
2
votes
1answer
438 views

Binary won't execute when run with a path. Eg >./program won't work but >program works fine

I'm getting some weird behaviour for a binary file I'm trying to run. I'm using Mac OSX snow leopard, and the binary itself is part of labkey software .. built from source. If I try to run the file ...
0
votes
3answers
2k views

Postfix: relay access denied

I never got my SMTP service working, now i'm ready to try again. The server is a FreeBSD 8.1-RELEASE-p1, postfix was installed as part of the Webmin/Virtualmin install.sh I have read Postfix Virtual ...
22
votes
10answers
5k views

I just did a chmod -x chmod

So I did a chmod -x chmod. How I can fix this problem? How do I give execute rights back to chmod?
16
votes
4answers
5k views

How do you manage and deploy FreeBSD's ports in a large environment?

I'm curious to how people are deploying FreeBSD's ports in their environment. I assume that most people using FreeBSD are indeed using Ports (and often portupgrade for upgrading with binaries). I am ...
8
votes
5answers
11k views

ZFS Sync over unreliable, slow WAN. ZFS replication, or rsync?

I've been tasked with making an off-site backup work over the WAN. Both storage boxes are FreeBSD based NAS boxes running ZFS. Once or twice a week, 15-60 gigs of photography data gets dumped to the ...
5
votes
2answers
2k views

Easy multi-level authentication for sudo

I have a FreeBSD server with password-based SSH enabled. I would like to enable sudo, but I do not want a potential attacker to be one password away from root access. My current solution is logging ...
6
votes
2answers
3k views

Is there a tool for managing FreeBSD jails that knows about ZFS?

ZFS under FreeBSD lets one assign filesystems to a jail, such that an account in the jail with the appropriate privileges can access the filesystem, create new subordinate filesystems, and so forth. ...
2
votes
8answers
6k views

What next after Ubuntu? Arch Linux / FreeBSD / Gentoo

I have been using Ubuntu, mainly as a production system for a very long time. Fedora Core and Mandrake before that. I am a developer, mostly working over networking core - L3/L4. I wish to graduate to ...
7
votes
1answer
1k views

Why change net.inet.tcp.tcbhashsize in FreeBSD?

In virtually every FreeBSD network tuning document I can find: # /boot/loader.conf net.inet.tcp.tcbhashsize=4096 This is usually paired with some unhelpful statement like "TCP control-block hash ...
6
votes
1answer
2k views

FreeBSD: periodic(8) is too noisy. How can I control the noise level?

FreeBSD & MacOSX ship with the the periodic(8) utility, which is a neatly organized set of utilities to periodically run system functions like ZFS filesystem checks, security checks, checking for ...
6
votes
4answers
2k views

ZFS on top of Hardware Mirroring, or just mirror in ZFS?

I have an IBM x346 with dual 3.2Ghz Xeons and 2x36GB 15k SCSI disks. I'm running an entirely ZFS-based install of FreeBSD 8.1. I can configure the bios to mirror the two disks, and then put ZFS on ...
4
votes
13answers
944 views

Source based distros vs Prebuilt package based distros

I wonder what is the general preference and where does it come from. Having used FreeBSD actively for a couple of years I'm leaning towards Gentoo, but I've had an unpleasant experience of wasting ...
2
votes
1answer
3k views

Freebsd: How to change default shell?

The default shell in freebsd is SH and I really can't stand it: autocomplete is very limited, and rehash commands kill me. I feel like a one armed and one legged man... How can I change the shell ...
2
votes
1answer
795 views

Find the source of malware?

I have a server that was running an older version of lighttpd (1.4.19 on a freebsd 6.2-RELEASE (yea, old) machine) and google alerted me that it had found malware embedded on one of my server's pages. ...
7
votes
4answers
1k views

ZFS and non Sun OS's

Is there any other Unix like distros that can read and write to ZFS filesystems. I know its currently unstable in FreeBSD :( The reason I am asking is I love ZFS but don't get on so well with Solaris. ...
5
votes
2answers
1k views

ZFS Reporting (on FreeBSD and Linux via ZoL)

As a longtime mdadm user is was just experiencing a disk error and remembered that I configured a Auto Mail reporting for mdadm on disk errors. Therefore i just had to insert my Mail address inside ...
5
votes
1answer
2k views

Does kern.hz still have any relevance in FreeBSD if “dynamic tick mode” is enabled?

I'm running a FreeBSD 9.0 setup as a virtual machine in a KVM setup. In previous versions of FreeBSD it was common to force the kern.hz setting to a lower value so that the virtual machine does not ...
5
votes
2answers
1k views

How can I make bash to log shell commands to syslog?

Bash 4.1 is able to log the history to syslog. However I can't seem to make it work under FreeBSD 8. I've tried re-compiling bash from ports with -DWITH_SYSLOG= but to no avail. Has anyone managed to ...
5
votes
5answers
7k views

Is Apache stalled? /server-status shows over 240 requests like “OPTIONS * HTTP/1.0” 200 - “-” “Apache (internal dummy connection)”

Some details: Webserver: Apache/2.2.13 (FreeBSD) mod_ssl/2.2.13 OpenSSL/0.9.8e OS: FreeBSD 7.2-RELEASE This is a FreeBSD Jail. I believe I use the Apache 'prefork' MPM (I run the default for ...
5
votes
2answers
5k views

How can I adjust subversion repository file permissions automatically for use w. Apache/DAV?

I've set-up a subversion server accessible with Apache/DAV and after screwing up the repositories file permissions a couple of days ago I started wondering if there's a better way to do this than the ...
4
votes
5answers
3k views

Identify Disks on SuperMicro server running FreeBSD

I am running on a SuperMicro 2U server with 6 disks in a ZPool. I want to identify each drive bay using the Drive Carrier LED from running a command from a tool in FreeBSD. Is there a way to do this? ...
3
votes
1answer
600 views

Need help grepping postfix log

I'm trying to search for an unknown string (Message ID) in a log based on a known string (recipient address), and then grep the unknown string to output the entire relevant log information. I'm able ...
2
votes
1answer
1k views

FreeNAS: “swap_pager: I/O error - pagein failed”

Our FreeNAS server log is constantly filling up with Apr 5 15:13:49 Wheelhouse NAS kernel: swap_pager: I/O error - pagein failed; blkno 524312,size 4096, error 6 Apr 5 15:13:49 Wheelhouse NAS ...
2
votes
1answer
1k views

HP MDS 600 compatibility questions

I've bought a used HP MDS 600 to use as JBOD to a ZFS filesystem. Originally I just assumed that it was a pretty 'dumb' box and I'd be able to use a SAS card like the 16-port LSI one, and most any ...
2
votes
1answer
596 views

What are the security implications of using allow.sysvipc in a FreeBSD jail

The man page for jail says that allow.sysvipc enables "System V primitives [to] share a single namespace across the host and jail environments..." thus "... processes within a jail would be able to ...
2
votes
2answers
827 views

Hosting provider that allows you to host your own VM image? [closed]

I've already looked at the 'Best Hosted VM Provider' question and checked the recommendations there, but I seem to have slightly odd requirements. Basically, I am looking for a host that allows me to ...
1
vote
2answers
2k views

FreeBSD Listen Queue Overflows - can't increase max queue size

I have a decently high trafficked FreeBSD Nginx server, and I'm starting to get a large number of listen queue overflows: [root@svr ~]# netstat -sp tcp | fgrep listen 80361931 listen queue overflows ...
5
votes
3answers
4k views

PAM: Execute a command before pam_mkhomedir?

When a user logs into a system and there is no home directory, we would like to to create the user's home directory using pam_mkhomedir. This is a common practice. Here's a quick description of ...
5
votes
3answers
3k views

httpready problem on Apache httpd restart on FreeBSD?

I run Apache HTTPD 2.2 on my FreeBSD 7.2 webserver. I have enabled the httpready and dataready in my /boot/loader.conf, like this: accf_http_load="YES" accf_data_load="YES" That works great when ...
5
votes
13answers
9k views

Network monitoring tool for FreeBSD [closed]

I am using FreeBSD 6.1 as router. Now I looking for Network Traffic Monitoring software to see what's happening with internet link. I have two installed LAN cards in my system, one for lan and other ...
4
votes
1answer
269 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 ...
4
votes
1answer
1k views

Newsyslog wildcards - rotate all logs in a directory

I am running FreeBSD 8.1. I am trying to make newsyslog rotate logs defined by a dynamic path: # logfilename [owner:group] mode count size when flags [/pid_file] [sig_num] ...
4
votes
2answers
1k views

FreeBSD server - certified compatible hardware?

I am looking for recommendations for hardware that is "certified" with FreeBSD (8+) I suspect I am looking for a small server manufacturer that will build me a server that "just works". I have read ...
4
votes
4answers
5k views

PXE boot FreeBSD iso from pxelinux server

I'm using FOG as a TFTP / PXE server and would like to be able to boot a FreeBSD LiveCD (specifically pfSense, but it could be any LiveCD, really); I've found HOWTOs for booting a "netboot" BSD but ...
4
votes
3answers
7k 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
3answers
5k 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 ...
3
votes
2answers
4k views

Need to identify disk in zpool … how?

I need to replace a bad disk in a zpool on FreeNAS. zpool status shows gptid/5fe33556-3ff2-11e2-9437-f46d049aaeca UNAVAIL 0 0 0 cannot open How do I find the serial # of that disk? ...
3
votes
2answers
305 views

HighPoint RocketRAID 2680SGL and FreeBSD

I'm trying to get my RAID controller working with FreeBSD. But it seems it's not being recognized by FreeBSD: module_register_init: MOD_LOAD (pci/rr2680, 0xc0a45b90, 0xc61f0430) error 22 ...
3
votes
2answers
3k views

ZFS RaidZ Import Failure when migrating

So my the USB drive attached to my FreeNas 7 system, went bad so I used the situation as an opportunity to upgrade to FreeNas 8. The problem is now I'm having trouble getting my ZFS to spin up: ...
3
votes
1answer
845 views

Automated installation of FreeBSD

I would like to automate the installation of FreeBSD 8.2 for a project I'm working on. I know the answer to every question in the standard installation, so even a script that just pushes keystrokes ...