OpenBSD is a BSD variant with a strong emphasis on security.
11
votes
3answers
4k views
How should one set up full-disk encryption on OpenBSD?
Is there a preferred method to set up full-disk encryption under OpenBSD, similar to dm-crypt under Linux?
I'm looking for full-disk encryption, as if someone were to steal my notebook they could ...
10
votes
3answers
207 views
Unix on a DEC VAX?
I just picked up a DEC VaxStation 4000 model 90 with a built in CDROM and an auxiliary SCSI storage module with tape archive drive. I believe it is functional although I cannot test it yet since I ...
7
votes
6answers
457 views
Can I use Unix to load-balance two Linux servers?
I'm trying to work out a solution in my head where two backend linux-servers run HTTP, SMTP, XMPP mirrored and should load balance connections between them.
My current solution is an OpenBSD box ...
7
votes
1answer
2k views
Dropbox on OpenBSD
Has anyone had any success getting dropbox installed with dropboxd running properly on OpenBSD (FreeBSD would work for me too..)? I have built from source and everything installs just fine but when I ...
7
votes
1answer
120 views
How to use /etc/fbtab in OpenBSD to secure X11?
OpenBSD's man page afterboot(8) suggests: "You might wish to tighten up security more by editing /etc/fbtab as when installing X."
How might one do this? What lines when added to /etc/fbtab would ...
6
votes
2answers
2k views
Why is sudo telling me my password is wrong?
I recently installed OpenBSD 4.9 in my computer, so I could learn a little bit about Unix-like operating systems. I added a new user to the system called bruno. Ok. When I use the 'sudo' command, it ...
6
votes
1answer
2k views
6
votes
3answers
3k views
Prevent a USB external hard drive from sleeping
Does anyone know if there is an elegant way to tell an external usb drive not to spin down after a period of inactivity? I've seen cron based solutions that write a file every minute, but nothing ...
6
votes
0answers
252 views
USB audio only outputs white noise
I am running OpenBSD/i386 5.1 on a 5 year old laptop. The speakers and headphone port work, but the headphone port is a little loose so I am trying to install an external USB sound card (Fiio E17 USB ...
5
votes
2answers
1k views
OpenBSD: 32 bit or 64 bit
I would like to use the 64 bit version of OpenBSD,
but I'm not really sure how good it works.
Are there any known problems? Is the 32 bit version more recommended for productive environment?
5
votes
2answers
87 views
Emacs on OpenBSD for DEC VAX?
I have managed to install OpenBSD 5.2 on my DEC VaxStation 4000 Model 90 but to my surprise have not found a binary for Emacs (any version) for the VAX architecture. As best as I can tell I do not see ...
5
votes
2answers
870 views
Adding Ctrl-L as “clear” hotkey in OpenBSD's ksh
I've been looking for a way to use Ctrl-L to clear the monitor instead of typing clear in each time. I found nothing except a patch which didn't work for me. How do I add hotkeys/shortcuts to my ...
5
votes
3answers
403 views
Why does time/ident/daytime/comsat run after an OpenBSD 5.2 install?
I installed an OpenBSD 5.2 using "-* & +etc* & +base* & +bsd".
After finished with the install, I rebooted, then netstat -at | grep LISTEN, this is what I get for output:
Why does so ...
4
votes
2answers
167 views
What does “Do you expect to run the X Windows System?” do when installing OpenBSD?
When installing OpenBSD 5.1, I got the question:
Do you expect to run the X Windows System?
What change does the installer make to my system if I say "yes"? I know what X Windows is, but I don't ...
4
votes
5answers
941 views
Free/Open Source secure Skype alternative on Fedora & OpenBSD?
Criteria:
Audio/video calls
Encrypt the whole traffic [with a good encryption]
ported to windows 7 too
runs on Fedora, OpenBSD
Does anybody know a good alternative?
4
votes
1answer
387 views
How to edit a .gpg file with vi?
So I created a gpg encrypted file with password:
gpg -c passwords.txt.gpg
how can I open it with vi, edit it, then close it? (So that no passwords.txt file will be created, the decrypted ...
4
votes
1answer
173 views
General questions about OpenBSD source code and release dates
Looking into doing analysis of the lifespan of a line of code, and via another question on stackexchange I was pointed to a research paper on OpenBSD that I've got a few questions about.
That being:
...
4
votes
2answers
370 views
OpenBSD on a SDHC or an microSDHC card - tips
Any ideas for making an OpenBSD usable (how to turn off logs, "put os into memory"?) on a SDHC or an microSDHC card? Since full-disk encryption is not really a solution under OpenBSD so I though I ...
4
votes
2answers
565 views
Getting better resolution using X on OpenBSD w/VMWare Fusion
Just setup an OpenBSD 4.8 VM for VMWare Fusion. Can't seem to force X to any decent resolution. I attempted to try and use the VMWare tools for FreeBSD, but no dice.
Any suggestions to try and get ...
4
votes
1answer
79 views
OpenBSD and limiting login to local only like in FreeBSD's login.access(5)
I am using OpenBSD as my desktop. I don't want to login to my machine remotely, and I don't want anyone else to login remotely. In FreeBSD there is a file called login.access(5) that can be used to ...
4
votes
2answers
276 views
How to mount an IronKey in OpenBSD?
Being that it's proprietary, maybe this isn't possible but I was wondering if anybody was successful at mounting one of these in OpenBSD.
I mounted the two partitions the USB drive creates which are ...
4
votes
2answers
147 views
Does sysctl kern.bufcachepercent not work in OpenBSD 5.2 above 1.7GB?
I run OpenBSD/amd64 5.2 on a system with 12GB of RAM, and I want to use about 6GB to 8GB for filesystem caching.
By default, 5.2 amd64 comes with sysctl kern.bufcachepercent set to 20 (20%); I've ...
3
votes
2answers
656 views
OpenBSD SMP support
The OpenBSD 4.9 release announcement says
"SMP kernels can now boot on machines with up to 64 cores;"
So OpenBSD does support several CPU's/cores?
If i have a Core2Duo cpu in my laptop (t7100) ...
3
votes
2answers
2k views
Are there any virtualization solutions for OpenBSD that aren't from ports?
I'm searching for a virtualization solutions for an OpenBSD host and a CentOS guest. What are my options? I'm searching for one that doesn't use packages from ports. Are there any?
3
votes
3answers
214 views
Is this enough for a working mail server?
I have an internet connection with a public, static IPv4 address (the IP address has a PTR record for foo.org domain, and I own foo.org domain, and have nameservers for it elsewhere, mx record is set ...
3
votes
2answers
1k views
How to permanently connect to WPA2AES wifi with OpenBSD (through cli)
I have an OpenBSD 5.1 i386 installed. I have no GUI/X. I googled for the answer but I can't find authentic one. How can I connect to a WPA2 PSK/AES wifi network using only the terminal? (so I don't ...
3
votes
1answer
270 views
How to check downloaded package on OpenBSD 5.1?
Under linux there is a package called "ubuntu-keyring" - it's for checking that the downloaded packages (from the offical repositories) are the ones that are on the server.
How can I do this under ...
3
votes
1answer
175 views
sandbox tcpdump under OpenBSD?
From FreeBSD 9.0 tcpdump is sandboxed with Capsicum. Are there any solutions for sandboxing tcpdump under OpenBSD? Just want to secure a running:
tcpdump -w output.pcap
because it can be only used ...
3
votes
2answers
1k views
OpenBSD performance tuning (desktop)
What are your ways of tuning a freshly installed OpenBSD operating system specifically for a desktop environment (faster UI interaction etc.)? What are the most important factors here to consider?
3
votes
1answer
220 views
Setting up the firewall for amule on OpenBSD 4.7 gateway
I'm trying to properly setup the firewall on my gateway (OpenBSD 4.7) using pf to allow amule (on 10.0.0.104) to operate properly as discussed here:
Now I know pf has changed a bit from OpenBSD 4.7 ...
3
votes
1answer
1k views
How to change the USB keyboard layout in an OpenBSD console?
I may be abusing the word console but I mean the mode without X i.e. pressing ^+Alt F1 and then log as other user where I want to use my chosen layout with USB keyboard.
X works, it configures the ...
3
votes
1answer
205 views
How to install OpenBSD/vax 4.7 on multiple disks?
I've got an old VAXstation 3100 Model 76, and I'd like to install OpenBSD/vax 4.7 on it.
I've got two drives in it, an RZ23 (104MB) and a another 1.09GB. Now, since the 1.09GB is too large for an ...
3
votes
3answers
395 views
How do I send a shutdown event to a QEMU guest (OpenBSD)?
I'm using virtualisation solely to install OpenBSD onto the bare hardware, and during the installation, the redirection to the serial port didn't get configured, so, I ended up with the system ...
3
votes
1answer
256 views
Converting a line from a firewall on OpenBSD 4.9 to OpenBSD 4.7
What is the OpenBSD 4.7 equivalent of this line from OpenBSD 4.9 for use with pf?
no nat on egress proto udp from 192.168.1.10 port 4672 to any
3
votes
1answer
77 views
How can I peek at the output of a running crontab task on OpenBSD?
I have an hourly hour-long crontab task running with some mtr (traceroute) output every 10 minutes (that is going to go for over an hour prior to it being emailed back to me), and I want to see the ...
3
votes
1answer
131 views
Realtek audio issues on OpenBSD 5.2
I am running OpenBSD/amd64 5.2 stable on a new machine, using a gigabyte motherboard with a realtek alc898 audio chipset. When I try to play any audio (sources include mpd, aucat, and cat > ...
2
votes
3answers
248 views
Why does a default Linux installation run more processes than a default OpenBSD installation?
If I ps -aux on Ubuntu (or any GNU/Linux distribution) without GUI I see ~100 processes running. If I ps -aux on OpenBSD without GUI, then I get ~10 processes.
What is the explanation/reason for ...
2
votes
2answers
400 views
Virtualization solutions under OpenBSD
I use "OpenBSD as my Desktop OS". What are my choices to run a Linux Distribution, or a Windows (XP/7) in a Virtual Machine?
I know that the following apps are not available for OBSD:
VirtualBox
...
2
votes
5answers
797 views
Starting A Bind/DHCP server
I am looking for some reading material on starting my own BIND/DHCP server. I mainly want the bind server to just be a caching server and for my home computers but it may also need to be authoritative ...
2
votes
1answer
589 views
Does OpenBSD use bcrypt by default?
http://codahale.com/how-to-safely-store-a-password/
with what does OpenBSD store the password by default?
They say bcrypt is way more secure then hashing. I googled' it and obsd supports bcrypt, but ...
2
votes
1answer
119 views
How to configure OpenBSD pf to only allow inbound from given countries?
I have an OpenBSD 5.2 box what's running a webserver on port 80 and an SSHD server on port 2222.
How can I configure OpenBSD's pf to only allow connections from given countries to port 80 and 2222?
2
votes
1answer
107 views
rc control user
I am playing around with rc scripts. I am starting a daemon from rc.local. I would like to know how I start the process under a specific user instead of root?
2
votes
3answers
517 views
How can I secure an OpenBSD-based Apache webserver?
I have an OpenBSD server that has a running webserver (the built-in apache web srv).
How can I harden this setup? I want to only server static html files, no php, no sql.
2
votes
2answers
506 views
Flash drive in OpenBSD: “specified device does not match mounted device”
I'm a relative BSD newb. I have a small server running OpenBSD 4.4. I'm trying to plug in a 16GB USB flash drive to move some files. I followed the guidance of the Disk Setup documentation, and found ...
2
votes
2answers
165 views
Security support time for OpenBSD?
If I install OpenBSD 4.9, when will I have to upgrade to 5.0? When will the 4.9 release no longer be supported by the OBSD teams?
2
votes
2answers
56 views
How to su to www on OpenBSD?
I have a PHP script that I wish to run under the www account.
The account has nologin as shell and is used by Apache.
When I run "su -l www -s /bin/ksh" as root, I get the following message:
This ...
2
votes
1answer
111 views
How to partition an OpenBSD if it's used as a static HTTPD server?
So mount options can be useful because it can afaik increase the security of a webserver that is only serving static html files.
What are the best mount options/partition schemes for az OpenBSD 5.2 ...
2
votes
1answer
660 views
Automatic internet connection on startup in OpenBSD?
I just installed the OpenBSD in my computer. I am completely new to Unix-like operating systems. I've learned how to connect to my wireless network using the following commands (even though I don't ...
2
votes
1answer
385 views
How can I press key of “keycode 53” every minute in X?
I want to automate my typing. I can use window managers such as gnome and fvwm.
I can access to ubuntu and obsd.
2
votes
1answer
125 views
Install OpenBSD on running Linux machine
I just found my old IBM ThinkPad 240 where I installed ArchLinux some years ago. The machine still works as intended but the package manager (pacman) does not work anymore at all. I tried to fix it ...
