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Questions tagged [bsd]

BSD is a family of Unix-like operating systems, including FreeBSD, NetBSD and OpenBSD.

510 questions
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kqueue watch size change on directory

I'm trying to watch for size change on directory using kqueue, is this possible? The reason for this because I am watching directories and whenever an event triggers, I stat the directory and compare last mod times etc to figure out if…
Noitidart
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kqueue on directory not trigger when file within is modified

I have used kquque to monitor desktop with: flags - EV_ADD | EV_CLEAR fflags - NOTE_DELETE | NOTE_WRITE | NOTE_EXTEND | NOTE_ATTRIB | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE filter - EVFILT_VNODE However when I edit a .js file on desktop with…
Noitidart
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make[1]: exec(f77) failed (No such file or directory) on DragonFly BSD

I get this error when trying to compile html-xml-utils-6.9 on DragonFly BSD. Funny thing is, when doing grep -r f77 in the source directory, the result is empty. So no such option is in the constructed Makefile after ./configure. This is my…
Olle Härstedt
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How to correctly reuse a socket for sending UDP packets?

I have a function that gets called each time I want to send a UDP packet. Things work great if I take these steps: Create the socket Set the socket options Send the packet Close the socket However, I don't want to incur the overhead of constantly…
Runcible
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Is it possible to use distcc in osx for openbsd box?

I found the only one simillar question but that's for linux and xcode only... Is it possible to set up a Linux box with distcc to build my XCode projects? im really interested to use OSX GCC for OPENBSD BOX. because my server is really slow, and all…
holms
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information regarding Binutils for bsd cross compilers in linux machine?

i need some information regarding binutils. 1) what doe this do for a cross compilation for BSD ? 2) why does this package needed ? how it helps in making corss compilers for BSD in Linux Ubuntu system? kindly provide your valuable answers
gkreddy
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BSD checksum and bits operations explanation

I try understand BSD checksum calulcation algorithm, writed in Java language. Wiki writed: byte checksum(byte[] input) { byte checksum = 0; for (byte cur_byte: input) { checksum = (byte) (((checksum & 0xFF) >>> 1) + ((checksum & 0x1) << 7)); //…
wukkie
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Web server statics repository -or- ZFS vs. NTFS

My goal is to maintain a web file server separately from my main ASP.NET application server for better scalability. The web file server will store a lot of files downloaded by users. So the question is: Is it worth to adopt FreeBSD + Apache + ZFS,…
Artem Tikhomirov
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PF, load balanced gateways, and Squid

So I have a FreeBSD router running PF and Squid, and it has three network interfaces: two connected to upstream providers (em0 and em1 respectively), and one for LAN (re0) that we serve. There is some load balancing configured with PF. Basically, it…
Santa
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When to use blocking and non-blocking functions?

I am making a python module to help manage some tasks in Linux (and BSD) - namely managing Linux Containers. I'm aware of a couple of the ways to run terminal commands from python, such as Popen(), call(), and check_call(). When should I use these…
galois
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Rewriting Sysctl output to a file in NetBSD

I am writing a script, while alloting a kernel memory thro' kmem_zalloc() the return address is a pointer and I can't able to capture in any mode. Redirecting to standard output didn't work. how to write this into a file, or to some environment…
paavaanan
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Is it not possible to use the CLI, bash in this case, to find a set, take a set, move it, and not have to write a library to do so

I thought this would be more of a one liner to be honest. Pretty simple in notion: using find on Mac OS X, locate files that meet a criteria, in my case: all file and directories in a directory: find ~/Downloads +time1000s That finds what I need,…
Scott
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Determine what exactly returns parameter

In some OS, like Ubuntu, Debian, etc. cal return current calendar with highlighting of today. And cal -h turns off highlighting of today: But in some OS, like Arch Linux -h param displays the help of a calendar. I'm doing a small script with…
serghei
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can't get to understand the 'n' command of sed

I am trying to understand how the 'n' command of sed operates. I am on Mac OS X, so it is sed from BSD Let's consider this example : $ seq 5 | sed -e 'n;p' 1 2 2 3 4 4 5 According to the Apple manpage here (see the quote below) and my…
hymced
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GNU `ls` has `--quoting-style` option, what's the equivalent in BSD `ls`

I will use ls output for pipe input, so I need to escape the file name. when I use GNU ls, It works well. what's the equivalent in BSD ls? I hoping the output is like this. $ gls --quoting-style escape t*1 text\ 1 text1
lutaoact
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