Berkeley Software Distribution is a UNIX-derived operating system developed at the University of California from 1977 through 1995.

learn more… | top users | synonyms

1
vote
2answers
2k views

Using Free/Open BSD + pf as a DDoS filter [duplicate]

Is using Free/Open BSD + pf a workable option for filtering DDoS? Which of the two would perform better under heavy load? (SYN flood maxing a 1 gbit pipe) Is this even an option to consider, or is a ...
0
votes
1answer
73 views

Where could I source the hardware components to create a (commercially viable) embedded Linux / BSD appliance? [closed]

I'm looking to pilot an Enterprise Linux / BSD appliance in the field and would like to have a 'few' options when it comes to hardware, I haven't had much luck finding hardware solutions (but I'm ...
2
votes
1answer
243 views

How do I make Dragonfly BSD boot immediately, without waiting for user input?

I have installed Dragonfly BSD, and currently I need to press F1 and 1 to get it to boot. It's in a KVM VM so I'd like it to boot automatically when I boot my real machine. I know how to get KVM to ...
4
votes
1answer
327 views

BSD 50% interrupt utilization in irq0/clock

On OpenBSD on an Atom 450, with HPET configured in the BIOS and not, also with Hyperthreading/ACPI on-off, nothing seems to make a difference. Here's my vmstat -iz # vmstat 2 procs memory ...
4
votes
1answer
141 views

How do I securly update a *BSD system?

Security is a major concern. Every major Linux distribution uses signed packages. But the FreeBSD systems in the office downloading unsigned packages/ports via FTP. Is there a solution that would ...
1
vote
2answers
5k views

Block IP addresses with ipfw

I'm a total noob to ipfw so my apologies in advance if my questions are basic, but I've not found any resources for it that help with the gap between using the GUI and knowing the commandline ipfw ...
0
votes
1answer
328 views

OS Distro benchmarks website?

Im looking for website which contains OS distro benchmarks (comparing in 32 & 64 bit, comparing PHP execution on the distro, etc.)
3
votes
8answers
584 views

Critical (Unixlike) Distros for Sysadmin Hopefuls to Have Experience With [closed]

I'm trying to learn to be a Unix/Linux Sysadmin, and am hoping to get some hands-on experience by setting up a few installs (VMs, old comps, and the like) at home and practicing administering them. I ...
9
votes
5answers
3k views

Limiting network throughput of an already launched process ? (Linux/FreeBSD)

Is there any utility to limit the network throughput of a process after it has been launched? Simple example: you note that a user takes all your upload bandwidth using scp and you'd like to limit the ...
2
votes
3answers
942 views

FreeBSD crash course for a Debian administrator?

Can someone please post a quick FreeBSD administration crash course, targeted at a Debian administrator? The environment is a production web server. Some things I'd like to know: package ...
1
vote
3answers
864 views

What's the shortest command to find a volume's BSD device name ( /dev/disk*s* )?

What's the easiest way to find out that, for example, /Volumes/Foo lives in /dev/disk0s2 ? EDIT: mount is probably a more semantically satisfying answer, but it doesn't get much shorter than df
0
votes
2answers
1k views

NGINX, Rails & MySQL on Debian or FreeBSD - what's better security & performance-wise?

I'm about to set up a web-server which runs NGINX and MySQL. In FreeBSD I can totally separate the Webserver and the Database Server and run them in separate jails. In Debian I could run them in ...
12
votes
14answers
1k views

Why pay for UNIX?

I'm fairly new to Unicies. With the advent of GNU/Linux and BSDs, what are the reasons for companies to prefer AIX, Solaris and other commercial systems?
3
votes
2answers
1k views

How to tell if a freebsd jail is up to date?

I've set up a "Service Jail" in FreeBSD 8.0 according to the FreeBSD Handbook (http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails-application.html). After upgrading the host to the latest ...
0
votes
2answers
256 views

How will BSD fair in the future for servers? [closed]

How do you think the BSD's like FreeBSD will fair in the future for servers against various distributions of Linux? Considering many servers will be moved to a cloud like environment, how will this ...
0
votes
1answer
440 views

What are the alternatives to using allow.sysvipc in a jail running PostgreSQL in FreeBSD

This question is prompted by this one. I've set up a jail to run PostgreSQL but without allow.sysvipc when creating the jail (or setting the relevant rc.conf entries), the system call to shmget are ...
0
votes
1answer
773 views

Running PostgreSQL Inside a Jail Using FreeBSD

I'm using FreeBSD 8.0 and I've setup a jail, pgsql, to act as a database server. After installing, I've tried to run initdb but get the following error: $ /usr/local/pgsql/bin/initdb -D ...
14
votes
7answers
4k views

Good low power server/pc for firewall? [closed]

Does anyone know of a low power server/pc that have 2 NIC's, so it can be used for a (OpenBSD) firewall? Sandra
2
votes
3answers
174 views

Operating system for optimal performance on x86 (virtualized)

What operating system would achieve the best performance on x86 from within Qemu or Virtualbox? I only need to use a handful of programs regularly: tmux, vi(m), curl, a package manager (mainly to ...
0
votes
3answers
1k views

Does PF support divert like IPFW?

I'm currently using IPFW on 3 dedicated firewall servers, and I would like to convert them to PF for some of its functionalities, but I need divert to work. Specifically I am teeing packets to a ...
0
votes
2answers
651 views

Setting up a NFS Server on FreeBSD

I need to setup an NFS Server on FreeBSD, I have gone through a couple guides to try and get it running but can't quite get it going. I have the server running, but I seem to be having trouble ...
2
votes
4answers
5k views

Installing and setting up SVN on FreeBSD Server

Firstly thank you to everyone who responded to my earlier question - http://stackoverflow.com/questions/1393827/setting-up-svn-web-based-services-vs-your-own-svn-server As much as I would prefer to ...
2
votes
4answers
230 views

Looking for FTP server recommendations for BSD [closed]

I'm currently deciding on what ftp server we should use for an internal system that we have running FreeBSD 6.2. The requirements that we'll need are the following: must be able to handle SSL, as ...
2
votes
1answer
451 views

Safe to run firewall off single ethernet port?

This is for either Linux/BSD. I was just wondering if it was safe to run a firewall off a single ethernet port. The firewall machine would have a single ethernet port that is connected to a switch. ...
0
votes
5answers
1k views

How can I lauch a GNU screen from jailshell (no pty) [closed]

I have my personal stuff hosted with a company that uses cpanel. It seems that a "feature" of cpanel is that the hosting company can use their "jailshell" when granting (terminal, not goofy AJAX ...
3
votes
2answers
5k views

How to get windows xp to authenticate against kerberos or heimdal

How do you get windows XP as a client to authenticate against kerberos or heimdal (where the OS is either Ubuntu, FreeBSD or OpenBSD)
0
votes
1answer
172 views

How to check who is logged in on jail?

Is there an easy way to check who is logged in on any jail?
0
votes
3answers
965 views

Gateway status checking methods on linux/bsd

I'd like to know if there's any reliable tools I could use (integrate with my network config) to monitor the status of the gateway and switch the default gw when it detects that the main gateway is ...
4
votes
3answers
245 views

Data recovery options for unix file systems

What popular and tried data recovery options are there? I know of these (none of which have GUIs afaik): foremost - Forensics application to recover data scalpel - A Frugal, High Performance File ...
6
votes
3answers
3k views

Fast way of knowing real directory size on linux/bsd

What is the fastest way of computing real directory size? I somehow catch myself needing that a lot. Simply doing: # du -hs /dir Is too slow. Is there any service I could run which would ...
9
votes
5answers
3k views

Why do you have to create a directory before you can mount a share?

Why do you have to create a directory before you can mount a share to it? Eg: I've never understood why mkdir is needed here: mkdir /Volumes/foo mount -t afp afp://username:pass@pretendco.com/foo ...