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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FreeBSD Host ZFS on Root Running VirtualBox with Windows Server 2003 Guests Very Slow HD Speeds

Here is my setup: I am running a Dual Quad Core Xeon 2.0Ghz with 16GB of Ram and 2 x 2TB WD Green drives with FreeBSD 7 that has ZFS on root. The Hard Drives are in a ZFS Mirror. I am running ...
7
votes
3answers
892 views

Why is there less latency on loopback than on a carp interface?

Stack Overflow Careers is served up something like so: user -> internet -> our fw -> nginx -> haproxy -> web farm FreeBSD is the operating system in use no firewalling or QoS is in ...
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2answers
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Xen vs KVM: Which will have likely better support (read:bugfixes) in the future?

I don't care about GUI or tools, but I do care about stability and performance. If I'm running a FreeBSD firewall and a Opensolaris file server as guests, will I get better stability or performance (...
7
votes
1answer
182 views

Disk size addressable by the OS

I have a 3ware 9550SXU-12 storage controller and 750G disks connected to it. The disks are configured as single units (not JBOD). I've been running some performance tests, mainly to see the impact of ...
7
votes
2answers
422 views

FreeBSD's ng_nat stopping pass the packets periodically

I have FreeBSD router: #uname 9.1-STABLE FreeBSD 9.1-STABLE #0: Fri Jan 18 16:20:47 YEKT 2013 It's a powerful computer with a lot of memory #top -S last pid: 45076; load averages: 1.54, 1.46, ...
7
votes
3answers
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“zpool replace” hangs and locks up the pool

Given my four disk RAIDZ1, one disk has become physically noisy, not producing errors yet, but not sounding healthy either. So I've chosen to pre-emptively replace it. I have done: zpool offline ...
7
votes
3answers
969 views

Permissions are not taking effect with Kerberised NFSv4 on FreeBSD

I'm currently trying to set up an NFSv4 server on FreeBSD. I have extensive experience with doing this on other Unices (Solaris and Linux), but I'm fairly new to FreeBSD. My goal is to achieve the ...
6
votes
5answers
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Can I change a user password in Linux from the command line with no interactivity?

I have a specific use case where I would really like to be able to change a user's password with a single command with no interactivity. This is being done in a safe fashion (over SSH, and on a system ...
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 ...
6
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4answers
2k views

FreeBSD Hypervisor?

is there any possibility to have FreeBSD running virtual guests (Linux and Windows) apart from VirtualBox? Didn't find any recent information yet.
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2answers
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What does zfs receive -F do?

When I read man zfs for zfs receive I see -F Force a rollback of the file system to the most recent snap- shot before performing the receive operation. If receiving an ...
6
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1answer
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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 ...
6
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2answers
5k views

FreeBSD how to rebuild all p5-* Perl 5 ports

On a FreeBSD system, instructions say to rebuild all p5-* ports - how do I do that? A bit of background... I'm an experienced Linux person, trialling (and liking) the latest PC-BSD (PCBSD9.2-RELEASE-...
6
votes
2answers
442 views

Conflicting information about the running kernel version in FreeBSD

I asked a related question about uname before and now want to ask from another angle, because the following simple yet obvious conflicting outputs may mean there is something many people did not think ...
6
votes
5answers
2k views

Getting ;5D when hitting ctrl + arrow key in a Terminal on FreeBSD

On centos I can skip a word by hitting ctrl + arrow (left or right) in a terminal. When I ssh into a FreeBSD box and I try the same pattern I get: $ tail -f 20120412.log;5D;5D;5D (each try = ;5D) ...
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3answers
2k views

FreeBSD ZFS RAID-Z2 performance issues

I'm trying to build my own network attached storage based on FreeBSD+ZFS+standard components, but there are strange performance issues. The hardware specs are: AMD Athlon II X2 240e processor ASUS ...
6
votes
2answers
5k views

How to log every login (SSH) on FreeBSD

I want to log every SSH login attempts, both successful and not, to my FreeBSD server to a file, and daily mail this log to root. I could accomplish something like this by parsing /var/log/auth.log, ...
6
votes
1answer
484 views

How to start netcat in listening mode from another host?

I have a script where I would like to start nc in listening mode on 10.10.10.11, but I would like to do it from 10.10.10.10, where I have this script ssh -n 10.10.10.11 nc -l 8023 | mbuffer -s 128k -...
6
votes
1answer
7k views

How to NFSv4 share a ZFS file system on FreeBSD?

Using FreeBSD 9, and created a ZFS file system like so zfs create tank/project1 zfs set sharenfs=on tank/project1 There are many howto's on setting up NFSv3 on FreeBSD on the net, but I can't find ...
6
votes
2answers
651 views

Freebsd Secondary Group not allowing folder deletion

TLDR: I have a user that is a member to a group as a secondary group. This user can delete files with 664 perms as a secondary user, but not directories with perms of 775. Details: I have a user. ...
6
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2answers
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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. ...
6
votes
1answer
2k views

FreeBSD IP aliases in different subnets and default outgoing IP address

I have a FreeBSD VPS that until recently had assigned 3 public ip addresses in a /29 subnet. When making outgoing connections, the IP address used was always the non aliased one ".20", however now I ...
6
votes
1answer
170 views

Freebsd jail for an small company - checklist - what shouldn't forget

Looking for an checklist for an "small company freebsd/jail server". Having pretty common starting point: FreeBSD jail (remote/headless) for the company: public web, email, ftp server, and private ...
6
votes
1answer
1k views

Redis connection issue

We are currently experiencing a lot of Redis errors with the message Unable to connect: read error on connection, trying next server We run Redis on FreeBSD using PHP Redis and we have a hard ...
6
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1answer
2k views

FreeBSD Jail with Loopback IP, IPFW, and natd - Outbound connections fail from jail

I've got a FreeBSD 9.0 server. It has several jails, but they all have this same issue. They can not initiate connections to the outside world. They communicate with each other and the host fine. ...
6
votes
1answer
10k views

PAM_LDAP Authentication failure with correct credentials on freebsd

I need to get our freebsd servers to auth via AD, but it is giving me problems. Environment: AD backend (Win 2k8r2). This works with other linux hosts which auth via SSSD FreeBSD 9.1 for client ...
6
votes
1answer
5k views

PXE Boot FreeBSD ISO from a Linux PXE server

I have a working PXE boot server running on CentOS 5.5 that works perfectly for any flavor of Linux. I'm trying to add FreeBSD to the install options as a ISO memdisk, but so far nothing is working ...
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9answers
2k views

Hidden features of FreeBSD?

For completeness, similar to http://serverfault.com/questions/2817/hidden-features-of-linux and http://serverfault.com/questions/17468/hidden-features-of-solaris-opensolaris, what are the hidden ...
5
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13answers
11k 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 ...
5
votes
5answers
3k views

ZFS on OpenSolaris or FreeBSD

I have no real experience with ZFS, and very limited experience with Solaris & FreeBSD. After reading numerous articles about ZFS, I'm pretty convinced ZFS is something I want to use for my home ...
5
votes
1answer
4k views

How to change default shell in FreeBSD?

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 ...
5
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3answers
2k 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 ...
5
votes
3answers
6k views

ZFS volume as ISCSI target

I'm looking into ZFS and using FreeNAS for ZFS management and have the following question: Do the ZFS advantages as deduplication, auto error fixing etc still work when creating an iSCSI target on a ...
5
votes
2answers
401 views

Is there a good guide to using “The DJB Way” with FreeBSD?

I'm rapidly becoming a FreeBSD convert (from Linux). I'm also intrigued by djb's software. Is there a good guide to replacing the standard set of FreeBSD utilities with their djb equivalent? It would ...
5
votes
3answers
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How to install python3.4-pip in FreeBSD 10.1?

I searched in the ports and can't find a pip installation package other than the pip for python27 py27-pip-6.1.1. Which way is the best for installing pip for python 3.x in FreeBSD 10.1? Or is it ...
5
votes
1answer
3k views

How can I start a shell inside a jail on FreeBSD?

I have access to a a previously set up FreeBSD box with a number of jails on it. One of the jails is an SQL server, and does not have ssh enabled on it. How can I gain access to a shell on that jail ...
5
votes
4answers
1k views

RAID-Z Failure Notification

I have a FreeBSD file server with a 10TB array in RAID-Z (so 8TB usable with 2TB redundancy). I am trying to figure out how to get the system to notify me, preferably by email, if one of the drives ...
5
votes
2answers
478 views

Which BSD best suited to run as VMware guest?

I want to deploy a VM to serve DNS and files (via NFS) to other *nix systems in my infrastructure. Due to reasons beyond my control, I need a very light OS, so I naturally choose the *BSD family. ...
5
votes
3answers
699 views

What is the ZFS ACL limit?

Does anyone know how many user ACL's ZFS can handle? With other words: for how many users can I set ACL's like this one for the same directory? setfacl -m user:test1:rwxpDdaARWcCos:fd----:allow /mnt/...
5
votes
4answers
12k views

How to integrate Active Directory with FreeBSD 10.0 using security/sssd?

What are the required steps to authenticate users from an Active Directory running on Windows Server 2012 R2 in FreeBSD 10.0 using sssd with the AD backend with Kerberos TGT working?
5
votes
1answer
1k views

How can I connect to MySQL remotely and still keep it safe?

As you know, keeping the MySQL port 3306 open is unsafe. However, I would like to use a good MySQL administration program instead of phpMyAdmin, which requires 3306 port to be open. Of course I can ...
5
votes
1answer
2k 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] /path/logs/*....
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
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4answers
6k 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 ...
5
votes
1answer
205 views

Check ChangeLog of FreeBSD port before upgrading

Is there an easy way to check a ChangeLog of a FreeBSD port before you upgrade? For instance, I'd like to check what upgrades are mandatory before I do portmaster -ad. It would be nice to have ...
5
votes
3answers
6k views

Why does ifconfig reset the default gateway route?

In FreeBSD, an ifconfig call seems to delete the default gateway route, even when given the same IP-address (e.g. when updating the netmask only). Is it a bug or a feature? As fas as I remember Linux ...
5
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2answers
561 views

(Why) does FreeBSD 'net.inet.tcp.always_keepalive' violate RFC1122?

While working on a server application that runs on FreeBSD and uses TCP, I noticed that TCP keepalive probes get sent even though my application explicitly disables SO_KEEPALIVE on TCP sockets. ...
5
votes
2answers
2k 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
5answers
9k 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
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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 ...