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

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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: ...
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Read files owned by another user as non-root

I'm backing up servers on a backup server. Each server which is backed up has it's own account on the backup server, and the files are rsynced. It is important that the permissions remain intact (...
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Why root's default shell is configured differently with other normal user account's default shell?

As I know, root's default shell is configured csh and normal user's default shell is sh in FreeBSD. And in Ubuntu, root is dash, normal user is bash. (refer: What's the Ubuntu's default shell?) Why ...
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2answers
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FreeBSD 10 trace disk activity

Is there any way to find some process which is periodically writing to disk (according to hdd led) on FreeBSD 10 with ZFS (maybe turn ZFS into verbose logging mode)? lsof and other instantly ...
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5answers
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Add FreeBSD to GRUB2 boot menu

I have Gentoo x64 installed with Grub2 on my MBR drive. Today I installed FreeBSD x64 9.2. Now I'm in Gentoo and trying to add FreeBSD to grub2 menu list. grub2-install /dev/sda os-prober grub2-...
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1answer
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How to boot FreeBSD system with broken bootcode?

I have an HDD (or SSD, or flash drive) with FreeBSD installed on it, and somehow I broke the bootcode (first 446 bytes of MBR). How could I boot into this FreeBSD?
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1answer
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FreeBSD or PC-BSD?

After years of Linux I would like to give *BSD a try, but I'm uncertain if I should use FreeBSD or PC-BSD. With KDE out-of-the-box and graphical package-manager and such, PC-BSD strikes me as ...
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3answers
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FreeNAS versus a regular (CentOS/Ubuntu) linux server?

I'm looking to build a medium sized (6TB, mini ITX board) server for personal use. Most importantly, it will serve as a seedbox and will store a whole lot of data. I will be accessing the data over my ...
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4answers
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How to debug SSH port forwarding

This is an extension to ssh port forward to access my home machine from anywhere I tried things mentioned there but I am not able to ssh to my machine. Netgear router settings for port forwarding: ...
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3answers
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FreeBSD 10 does not boot after clean install

Latest FREEBSD 10 does not boot after clean installation. Installed using this image: FreeBSD-10.0-RELEASE-amd64-memstick.img Used Guided Partitioning, where I selected my only hard drive, chose ...
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2answers
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Find out what /dev/cuaU maps to?

I have an USB 3G modem (Huawei E353-u2) on pfSense 2.0.2 (which is based on FreeBSD 8.1-RELEASE-p13), it seems to create 2 /dev/cuaU devices: /dev/cuaU0.0 /dev/cuaU0.3 1) Why are there 2 devices? ...
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Korn Shell: End, pgup, pgdown, and delete key not working

So basically my End, Pageup/Pagedown, and Delete key are not working in ksh93. I'm running FreeBSD by the way. My arrow keys are working, and so is my home key. Those keys work when I put this in my ...
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2answers
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mount freebsd slice partition under linux

I have under linux: Device Boot Start End Blocks Id System /filename.img * 63 1007999 503968+ a5 FreeBsd Under above partition i have two ...
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4answers
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How to set up two-factor authentication with OTP on FreeBSD?

I have a FreeBSD hosted 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 ...
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2answers
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How do I add PC BSD / FreeBSD to Grub 2 boot loader?

I have Ubuntu 10.04 installed as my primary operating system, and I installed PC BSD in a different partition: /dev/sda4 without installing it's boot loader. I figured out that I need to edit /etc/...
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2answers
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Multiple instances of Postfix throwing error fatal: unknown service: smtp/tcp

I am trying to configure multiple postfix-2.12 instances on FreeBSD 10.0-RELEASE following the README. postmulti -e init postmulti -I postfix-out -G mta -e create ... This all works I can start and ...
7
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1answer
285 views

FreeBSD systat doesn't calculate upload speed/total on wlan0

When I call systat -if shows that wlan0 out traffic/peak/total are 0 kb(/s). I'm using wlan0 for networking, internet down/upload are working. The in traffic/peak/total are OK. The wifi chip is ...
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2answers
440 views

Is it possible to keep a FreeBSD system up to date (base system + packages) using only binaries?

I have been using Debian and NetBSD systems for a long time, and I have got used to do binaries upgrades for the base system and for packages (using pkgin with NetBSD) Now the NetBSD kernel does not ...
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2answers
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NAT and source IP filtering in PF, using OpenBSD >= 4.7

I just read a book about PF (The Book Of PF, No Starch), but there's one question not answered by it. If I have a gateway machine using two interfaces, $int_if and $ext_if, and I NAT the packages ...
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2answers
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How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?

Via the loopback command, GRUB2 allows to directly boot an ISO file. Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
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1answer
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Which shell should I learn for FreeBSD and Debian?

I have read many articles that say the official shell in FreeBSD is tcsh, and in Debian, its dash. However, when I either echo $shell (FreeBSD) or env in Debian, it says that the shell is csh in the ...
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2answers
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Is there an easy way to create a FreeBSD rc script?

I have a FreeBSD jail in which I run a server using the command: /usr/sbin/daemon /path/to/script.py At the moment I have to run this command every time I restart the machine and the jail starts. I'...
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2answers
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How to deal with FreeBSD's move to pkgconf?

It seems that the FreeBSD ports tree is busy transitioning from pkg-config to pkgconf. http://www.mail-archive.com/freebsd-ports-announce@freebsd.org/msg00018.html I first thought as an end user this ...
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881 views

Is it possible (and a good idea) to do `pw lock root` on FreeBSD?

I have set up sudo on my FreeBSD server. As I now never want to log in as root anymore, I was wondering whether I should do sudo pw lock root. My questions are: Is this possible, without forever ...
6
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1answer
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How can I tell which of my ports I compiled myself and which I installed from pre-compiled binary packages?

I have two FreeBSD 10.2-RELEASE systems and I'm trying to set up the second to be almost identical to the first. I don't wish to use ZFS snapshots for this task; I would just like to select, install, ...
6
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1answer
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FreeBSD 10 root certificate store

Is on a default FreeBSD 10 no root certificate store? When I install one by hand it is in /usr/local/share/certs/ca-root-nss.crt, which I symlink to /etc/ssl/cert.pem and thats the main places I ...
6
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1answer
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Bash: `-su: $*: unbound variable` with `set -u`

This is a FreeBSD 7.x system running GNU bash version 4.0. In Bash, the set -u option can force a shell to print an error if it encounters an unset variable, like this: $ set -u $ echo $THISISUNSET -...
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1answer
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Calculate the date from 1125 days ago on non-GNU systems?

On the Unix Bash commandline, I want to calculate the date from 1125 days ago using the base operating system (e.g. No Perl or Python). On systems running GNU Date, I can do something like this: ...
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2answers
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How do I set dhclient debug info on?

On a FreeBSD computer Is there a DHCP client log that I could use to debug a DHCP issue? Can I set a debug param to get more information from the dhclient? UPDATE #1 I found a lead on this ...
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`kill -s TERM` works, `kill -s ABRT` gets “Operation not permitted”

There is a process that I own whose documentation claims I can send SIGABRT to in order to get some debugging information. However, when I try to send SIGABRT, I get back "Operation not permitted". I ...
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1answer
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Installing FreeBSD from USB-Stick boots but later can't find the USB-Stick

When trying to install FreeBSD 8.2 from USB memory stick the kernel boots from the USB-Stick and the installer menus work and let me partition and everything. However when it comes to actually ...
6
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2answers
327 views

What to do when “nice” isn't good enough (FreeBSD)

I've been using x265 to encode some video on my workstation lately, but I have a problem: even though I launch it using nice -n 20 x265 to deprioritize it, it still slows the computer to a crawl while ...
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2answers
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FHS differences between OS X, Linux and FreeBSD

I've read that there is a different behavior between FreeBSD and Linux with the /usr/local, in FBSD ports are installed there, in Linux not, can someone explain more on this? I'd like to know where ...
6
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1answer
384 views

Any random password results in successful login on tty

I can login to my machine (FreeBSD 9.1-RELEASE) for any user (for example: root or operator or any that exists in /etc/passwd) with any random password that I type... I tried to reset password for ...
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2answers
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How can I alter my Xorg config file to fix the screen distortion I am experiencing?

I have a system running FreeBSD 8.2-RELEASE-p2 with an LCD display attached capable of running at a native resolution of 1600 x 900. I have configured Xorg the way I think it should work, however the ...
6
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1answer
608 views

Enabling support for AddressSanitizer in FreeBSD

The question essentially is how to compile a program that uses AddressSanitizer in FreeBSD. I use FreeBSD 10.0 (64-bit). I am trying to compile the following code with -fsanitize=address flag: int ...
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2answers
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What is causing a pause during the system device probe?

I am running FreeBSD 10.0-RELEASE. During the boot device probe there is a two-times 30 second pause. The output relevant to this is # dmesg ... (aprobe0:ata0:0:1:0): ATAPI_IDENTIFY. ACB: a1 00 00 ...
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2answers
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How to allow direct root access via SSH on certain IP range?

I would like to login to root via ssh directly while at home (192.168.1.0/24). But while outside (e.g. at work), I can still login via ssh by using one of the custom accounts I created. I jus tried: ...
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3answers
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How to add a user to a group in FreeBSD

How can I add an existing user to a group in FreeBSD? The command usermod does not work.
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1answer
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Replace FreeBSD base clang with ports clang

FreeBSD 10 was the first release that officially released with Clang as the default, base compiler. Most ports, unless specially marked, now compile using the base ("pre-installed") clang. However,...
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2answers
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How to install GNU make on FreeBSD 10?

I have this error configure: error: GNU make is required! and I can't change into /usr/ports/devel/gmake/ $ cd /usr/ports/devel/gmake/ cd: /usr/ports/devel/gmake/: No such file or directory How ...
5
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2answers
198 views

Degraded areas of some user interfaces, including pixellated or jagged fonts

For me the symptoms were first observed with PC-BSD 11.0-CURRENT. The first of my 2016 screenshots (below) is similar to the 2012 shot in Debian-related Fonts of some applications get confused so, ...
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1answer
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how to reboot a frozen FreeBSD server from the serial console?

Linux has the "magic sysrq key" to reboot frozen machines remotely, and it works over the serial console, but what about FreeBSD? Is there a way to send a "control-alt-delete" to FreeBSD servers on ...
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2answers
647 views

Why do entrepreneurial companies choose Linux rather than FreeBSD?

FreeBSD is an operating system. Linux, strictly speaking, is just a kernel, but the two systems are not too much different and in performance, at least, we can say they are comparable. Open source ...
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3answers
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FreeBSD 10 with Root-on-ZFS using only a part of the disk

I'm having a bit of trouble here. I'll try and be as concise as possible in describing my objective: I'm setting up a storage server for my employer, using two Intel DC S3500 series 120GB solid state ...
5
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1answer
60 views

How can I use terminfo entries on FreeBSD?

On my local Linux machine, I'm using termite (VTE-based). It it comes with its own terminfo file (xterm-termite), which is not distributed with ncurses by default. I try to connect to a remote ...
5
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1answer
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Is there an easy way to rebuild all ports?

In the upgrade process for 10.1-RELEASE, I'm prompted with this: Installing updates... Completing this upgrade requires removing old shared object files. Please rebuild all installed 3rd party ...
5
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1answer
549 views

How To Download All FreeBSD distfiles

How can I download all FreeBSD distfiles into /usr/ports/distfiles so that I have them for offline use? I realize it will be a huge download. I remember reading how to do this (possibly in the ...
5
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1answer
1k views

Get CPU usage for single process

I've got a problem getting a real-time CPU usage of a single process (by its PID). I'd like to setup a watchdog for the CPU usage of a process because it's suddenly reaching 100% of the CPU usage ...
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3answers
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FreeNAS 9.2: install FreeBSD packages

I have installed FreeNAS 9.2amd64 (based on the same FreeBSD version) on a VirtualBox VM. I created users and pool/volume for my data. In anticipation of installing apache/mysql-server/php5/php-...