I’m new to sound programming and ALSA. I’d like to create a little application, that for example prints out to the console when a frame of data is written to ALSA with snd_pcm_writei(…). Is that possible and if so, how? Currently I’m thinking of registering a callback to ALSA so when a…
Ubuntu compiling kernel module first time
I’m trying to compile a simple kernel module for the first time: I’ve used obj-m += hello-1.o (that’s the name of the module) but i’m getting an error: obj−m: command not found Why is this happening? I tried looking online for a solution, but nothing I found helped.. EDIT: After modify…
Compile Readline for x86 system (static mode)
I am writing a program in QT Creator, for the x86 architecture, using Debian 9 x86. The program will use GNU Readline library [8.0]. Also, my program must be statically built (QT is already statically built). For this I downloaded Readline from here. Then performed the configuration for the static assembly: t…
SSHpass : to access local variable on remote host
Unable to access local variable on remote host using sshpass. Can you please help me to pass local variable to pass on remote host using ssh pass for the below code snippet expected result: Answer Try this: You need to double quote your command line and right escaping.
How to log the live output of a running process
I want to run a game server inside my Ubuntu machine. I want to run it in the background and write the live output of that process inside a log file. I tried using nohup and running the game server using “&” at the end but I couldn’t make it work the way I wanted. Then I started reading …
How to solve the handshake failure using ssl in python?
I try connect to specific https server: But the python says: I try using TLS1: But says: Have a upgraded ssl in python and operative system: From netcat can connect without problems: What is the problem and how to solve this? Answer From the documentation: Since Python 3.2 and 2.7.9, it is recommended to use …
Is there a way to delete zip archive comments in python?
I have multiple zip archives all with a similar comment. Is there a way to delete the comment from the archives with python and use it over multiple archives with similar comment? What I have tried with single archive This is not working. Comment is not getting deleted in the archive, plus I want this to work…
What’s the best alias for not having to remember the branch I’m in to pull and push?
Extremely lazy here, don’t like to type too much and specially don’t like to remember on which branch I’m in to pull from and push to. Far too often I make the mistake of doing git pull from a non-master branch, or worse do a push and the target branch is incorrect and I’m left with un…
Linux/Shell slicing a large text file
Given File1 File2 I wish to make a method that basically does this So given a uniquename from file1 it will use its key from file2 to get what it’s link to. If it doesn’t find uniquename do nothing. MY ATTEMPT Answer The cut utility was designed for this type of data:
Using Multiple Operating Systems with Ruby and Shell in a Matrix with Travis CI
I’m attempting to create a CI test that executes a test using multiple Ruby versions using rvm on Linux, but I want to execute another test on Windows using the bash shell. I’ve tried a few configurations, but they do not allow me to create or use multiple ruby versions if I have an additional OS …