libbsd | library provides useful functions commonly found on BSD | TCP library
kandi X-RAY | libbsd Summary
kandi X-RAY | libbsd Summary
libbsd - Utility functions from BSD systems. This library provides useful functions commonly found on BSD systems, and lacking on others like GNU systems, thus making it easier to port projects with strong BSD origins, without needing to embed the same code over and over again on each project. A BSD compatible message-digest library is required, on systems where this is not provided by its libc or libmd libraries, the canonical implementation to use is
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QUESTION
We have a Docker file that worked as late as 22 December 2020, but all of a sudden it crashes in runtime if we build the same Docker file again and the exception is:
...ANSWER
Answered 2021-Feb-17 at 07:11So, I found the problem and document it here if it happens to someone else. It turned out to be how Visual Studio does the building now.
If I right-click and build the Dockerfile in Visual Studio the result will be correct just as my investigations above showed. The problem is that when I wanted to test the image, I run it by F5 (or Ctrl+F5) in VS and in that case Visual Studio does not build my Dockerfile by default. I thought that it used my recently build result (cached), but it actually uses another cached result. For performance reason it builds the project locally and take that result and adds it to the aspnet:3.1-buster-slim image, which means that my custom dependencies are not added.
This behaviour can be controlled by setting in the project file. The default value of if is Fast which does not use my Dockerfile, but setting it to Regular does, on the cost of slower start up. Documentation of this and other settings can be found here: https://docs.microsoft.com/en-us/visualstudio/containers/container-msbuild-properties?view=vs-2019
QUESTION
I'm on the new M1 MacBook Pro. I'm trying to install gtk+3 (which has native apple silicon support) via Homebrew. First it told me
Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)! Please create a new installation in /opt/homebrew using one of the "Alternative Installs" from: https://docs.brew.sh/Installation You can migrate your previously installed formula list with: brew bundle dump
I tried to run the terminal via Rosetta 2, but gtk+3 needs ARM support to install, so that didn't work.
I tried to manually unzip the code line in docs.brew.sh in /opt/
but it told me I don't have permission. I tried to sudo it, but to no avail. Any help?
Edit 1: for full message:
...ANSWER
Answered 2020-Nov-20 at 12:16I solved it running under the Rosetta Terminal
Locate the Terminal application within the Utilities folder (Finder> Go menu > Utilities)
Select Terminal.app and right-click on it, then choose “Duplicate” Rename the duplicated Terminal app something obvious and distinct, like ‘Rosetta Terminal’
Now select the freshly renamed ‘Rosetta Terminal’ app and right-click and choose “Get Info” (or hit Command+i)
Check the box for “Open using Rosetta”, then close the Get Info window Run the “Rosetta Terminal” as usual, which will fully support Homebrew and other x86 command line apps
QUESTION
I am building couple of libs in ubuntu using CMake, and I noticed whenever I try to use the files in the installed directory, I get missing libs error. using ldd
I noticed in these files, the libs are not found while if I go back to the original file built, it has all the references and copying it to the installation directory fixes the issue.
To make all this more clear consider the following CMakeList.txt that I use to build my library:
ANSWER
Answered 2020-Sep-22 at 06:32This is normal behavior in CMake. When compiling you binaries the rpath to the dependencies is set in the binary, but stripped when installing it.
By default if you don't change any RPATH related settings, CMake will link the executables and shared libraries with full RPATH to all used libraries in the build tree. When installing, it will clear the RPATH of these targets so they are installed with an empty RPATH. Source
When looking up runtime dependencies the rpath is preferred over the default directories (see https://stackoverflow.com/a/33520976/4181011). But since the rpath was removed from your library it doesn't know about you "out-of-default-directories"-dependencies.
You can manipulate the lookup with LD_LIBRARY_PATH
, LD_PRELOAD
or by adding the additional path to the lookup directories using ldconfig
.
QUESTION
How can I copy all shared objects from ldd
output of my executable?
I'm looking for something like this, but this is for find
and I need for ldd
:
ANSWER
Answered 2020-Aug-31 at 01:19The example ldd
output above was saved to "infile". Description: run awk
to select lines with 4 fields and echo
a command that would copy the lib from the third field to a destination directory:
QUESTION
ANSWER
Answered 2020-Mar-30 at 21:47Use gcc
to link and use -Wl,-Bstatic
to tell the linker to prefer linking against static libraries rather than shared ones. Example:
QUESTION
I'm trying to run RF-TrulyMagical
, but it says:
ANSWER
Answered 2020-Feb-22 at 20:14Might be a simple case of:
QUESTION
I'm trying to run a custom node command from within an Alpine linux docker container.
Installed packages:
...ANSWER
Answered 2018-Jan-17 at 07:08If you want to get puppeteer to work on alpine, try using an older version of puppeteer that works with an older version of Chrome. The newest version of Chrome supported on Alpine is 63, which was the version of Chrome used during the development of puppeteer version 0.11.0.
QUESTION
I'm trying to build a simple Swift project on NixOS. Here are the steps to reproduce:
...ANSWER
Answered 2019-Oct-11 at 23:58Since your using the --pure
option, nothing from your previous environment will be imported into the shell. This includes the swift
binary itself. So first I would add swift
to the buildInputs
.
The error your getting indicates that gcc
doesn't even understand the command line options being passed. I don't know anything about Swift, but after seeing that I assumed that it needs a different compiler. Sure enough, after a quick search it looks like it is llvm based. You will thus need to also add clang
to your build inputs. In addition, you'll need to use mkShell
instead of mkDerivation
to setup the proper environment.
The former is a wrapper to the latter that is specifically designed to set up a nix-shell, and ensures the environment is handled correctly. You'll need to pass in the shellHook
attribute to override the default c compiler to clang
using the CC
envvar. The shellHook
is a way of running arbitrary commands at the start of the shell.
As a final note, the nix-shell
command searches for shell.nix
by default so you don't have to pass it as an argument. If shell.nix
does not exist, then it will try default.nix
. If neither exist, then you'll have to explicitly specify the nix expressions location.
TLDR
to put it all together:
QUESTION
I want to silently test whether X11 is working, from a script.
I keep getting "connect /tmp/.X11-unix/X1: No such file or directory", even if I redirect stdout and stderr to /dev/null with (for example) xset q > /dev/null 2>&1
I strace'd, and it doesn't appear to be getting written by xset. I also strace'd the relevant sshd and it doesn't seem to be writing it either.
xset, xdpyinfo and the test program at How to check if X server is running? all output this useless error message. In fact, so does vim. But "ls" does not.
I also tried: script -e -c 'xset q' /dev/null > /dev/null 2>&1
...but even that outputs the error message.
What do I need to do to silence this overaggressive error message?
Thanks!
PS: Here's an strace of xset q:
...ANSWER
Answered 2019-Jul-04 at 12:10This is pretty easy to understand and replicate, but there is a number of moving parts.
We ssh to a remote machine with X forwarding. This ssh process must have access to a working X server locally. Here we'll start it up with a joke $DISPLAY
:
QUESTION
Docker Version: 17.09.1-ce I am beginner in docker and I am trying to build docker image on centos. The below is the snippet of docker file i am having
...ANSWER
Answered 2018-Dec-30 at 15:45You need to use WORKDIR
as a Dockerfile instruction, instead of using it together with run
instruction.
RUN has 2 forms:
RUN (shell form, the command is run in a shell, which by default is /bin/sh -c on Linux or cmd /S /C on Windows) RUN
["executable", "param1", "param2"] (exec form)
WORKDIR
WORKDIR /path/to/workdir The WORKDIR instruction sets the working directory for any RUN, CMD, ENTRYPOINT, COPY and ADD instructions that follow it in the Dockerfile
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