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Questions tagged [bsd]

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

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BSD Virtual Guest

So I am a big fan of VMs, actually got experience enough to switch my development box to a linux distro. At this point I would like to get more experience with BSD and hope to do this with a VM. So the question I have is what configuration is…
Mike
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What is the purpose of a macro argument that seems useless (see code below)

In the head file queue.h of BSD system, there is the following macro #define TAILQ_ENTRY(type, qual)\ struct {\ qual type *tqe_next; /* next element */\ qual type *qual *tqe_prev; /* address of previous next element */\ } With above…
John Z. Li
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Socket fails: Address family not supported by protocol family

I'm trying to create a BSD socket with RTEMS 5 in order to implement an UDP communication. I have the following function: #include void Network_Initialization(void) { int fd; fd = socket(AF_INET, SOCK_DGRAM, 0); …
ferdepe
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multiple MySQL instance on FreeBSD

Dear all Professionals We have a serious problem to create Mysql Instance on FreeBSD os. Here is my progress to make an instance: 1- Create new database instance on new destination mkdir /mysql2/mysql mkdir /mysql2/mysql/data mkdir…
Manisa
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BSD socket connect + select (client)

There must be something wrong in the below code but I don't seem to be able to use a client connect, non blocking in combination with a select statement. Please ignore the below lack of error handling. I seem to have two issues 1. select blocks…
Ger Teunis
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How to get range of dates that are representable/accepted by date(1)/mktime(3)?

On my modern 64bit Mac, the date 1901-12-14 is the earliest accepted by the following command: date -ju -f "%F" "1901-12-14" "+%s" I checked the source for the macOS date command here (Apple Open Source) and it is a failed mktime call that gives…
novelistparty
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share directory with different users on a workstation on linux/bsd

I'm setting up a development workstation that used to have only one shared account to have an account for each developer that may be using it. We commonly switch workstations. I would like to have certain directories "shared" by all users in a…
Brian Takita
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Remove spaces/tabs from end of line?

I am trying to remove any black spaces from the end of lines. I am doing this and I am wondering why it is not working. sed -i '' 's/\s*$/ endOfLine/g' myFile I get this MyLine endOfLine MyLine endOfLine I expect this MyLine endOfLine MyLine…
Chris
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OpenBSD 6.1 termio.h: No such file or directory

I try to build my code with OpenBSD 6.1 but I get this error message. sh.h:98:20: error: termio.h: No such file or directory In file included from edit.c:1: sh.h:235: error: conflicting types for 'rlim_t' /usr/include/sys/types.h:145: error:…
Niklas Rosencrantz
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Command with options in GNU env shebang line throws error

It turns out that a tool for evaluating json that has been humming along nicely on my Mac wasn't as cross platform as I thought. Once I installed it on Ubuntu I got this error: npm install -g pick_json echo '{ "foo" : { "bar" : 2 } }' | pick_json…
oligofren
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Dynamic patching of executable on BSD/Unix

I'm facing quite a big problem. I need to patch an executable to modify its behaviour. The program is written in C and until now I've been using IDA to edit it, but that way I couldn't for example replace whole functions etc. It seems for me that…
kjagiello
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Is egrep able to output the results of parenthesized subexpressions?

Is egrep able to output the results of parenthesized subexpressions? I’m using macOS, and when I checked the man page for grep, it mentioned re_format(7). Checking man 7 re_format, I see that it does have support for parenthesized subexpressions and…
Edward Ocampo-Gooding
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How to overwrite struct kinfo_proc?

I am trying to overwrite kinfo_proc structure but it does not allow me to overwrite it. However, according to this page, I can overwrite this struct. http://man.openbsd.org/kvm_getprocs.3 I got struct kinfo_proc and then, write a value inside then I…
NoSleep
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Choose BSD or sys5 style when creating file in linux

When I create file in linux default group owner becomes gid of process which creates file. If I add SGID to parent directory file will inherit parent directory owner group. Also I can change fs mount options to behave either like sys5 or like…
Rasul Osmanov
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Unable to deal with a seems unnecessary pointer to pointer when i was reading the core code of bsd 4.4

I was reading the tcp/ip illustrated v2 and confused with a series of codes on the book. struct ifnet{ struct ifnet * if_next; …… } here is the background information of the structure which may help you learn more about the problem void…
WaldenShen
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