Experiment 2 of Linux operating system: process communication
Further improve the ability of C programming in Linux environment, understand and be familiar with a variety of IPC mechanisms supported by Linux. As a multi task and multi process operating system, information interaction between processes is inevitable. Inter pr ...
Posted by hobeau on Fri, 24 Sep 2021 12:17:51 +0200
1, Create workspace
1. Create a new folder Create a new catkin_ws folder and create src subdirectory in it.
mkdir -p ~/dev/catkin_ws/src
2. Initialize workspace In the src subdirectory just created, use the following command to create a workspace, but there is no function package in the workspace at this time, onl ...
Posted by youqing on Fri, 17 Sep 2021 02:30:54 +0200
When nginx is first compiled and installed, http_ ssl_ The module module is not compiled into the nginx binary file by default. If you need to add SSL certificate. That is to say, use the https protocol. Then you need to add http_ssl_module module. Suppose your nginx installation pa ...
Posted by biopv on Tue, 30 Jun 2020 03:42:35 +0200
How to install MySQL on Ubuntu 20.04
MySQL is the most popular open source relational database management system. It's fast, easy to use, easy to expand, and part of the popular LAMP and LEMP.
This guide explains how to install and protect MySQL on Ubuntu 20.04.
Make sure you are logged in as sudo user
Install MySQL on Ubuntu
At th ...
Posted by dorgon on Tue, 16 Jun 2020 08:57:06 +0200
Introduction:Docker is an open source application container engine based on the Go language and compliant with the Apache 2.0 protocol.Docker s can allow developers to package their applications and dependencies into a lightweight, portable container that can then be published to any popular Linux machine, or they can be virtualized.Containers ...
Posted by fabrice on Sat, 13 Jun 2020 19:22:01 +0200
This is a basic article about image and container, although some of it is related to the article written in 18 years Enter the door of Docker and Kubernetes container world There are overlaps, but with my familiarity with containers in recent years, I would like to share some of my knowledge and serve as a technical foreshadowing for my ...
Posted by jchemie on Sat, 13 Jun 2020 09:16:31 +0200
ROS environment preparation (take 16.04 ROS Kinetic as an example)
Create your own workspace:
Compiling ORBSLAM2 ROS
Common errors and Solutions
Run build-ros.sh Problem 1:
Run build-ros.sh Problem 2: the core of this problem is the problem with the ...
Posted by GeXus on Tue, 09 Jun 2020 09:10:33 +0200
Docker is an open-source application container engine based on Go language. Based on cgroup, namespace of Linux kernel and Union FS of OverlayFS class, it encapsulates and isolates processes, which belongs to virtualization technology at the operating system level.
Posted by PickledOnion on Tue, 09 Jun 2020 05:58:05 +0200