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    ROS 2 Foxy Fitzroy (hereinafter referred to as Foxy) was officially released on June 5, 2020. It is an LTS version and is supported until May 2023. This article is mainly based on the official compilation and installation tutorial [1] Complete and document any problems encountered during compilation. ...

Document description: This article is based on [ Official Documents In light of its own practice, there has been a slight reduction in the common installation steps (mainly due to the official consideration of various installation environments, this article is mainly limited to Ubuntu 16.04). system r ...

Recently, you need to install the dokcer environment on CentOS 7, recording how to implement it based on Alibaba cloud agent. 1. Replace CentOS image (1) Back up the original image mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup (2) Download new CentOS-Base.repo #CentOS7 only wget -O /etc/yum.repos.d/CentOS-Base.r ...

1, Preparation The system requires CentOS 7.X and above, with a kernel of at least 3.10 and 64 bit 1.1. Use uname -r to check the kernel version [root@localhost ~]# uname -r 3.10.0-693.5.2.el7.x86_64 1.2. Set up Alibaba CentOS warehouse to update plug-ins / software packages more smoothly Step 1: execute the fo ...

Install with paa source 1. Install paa sudo add-apt-repository ppa:webupd8team/java sudo apt-get update 2. Install Oracle Java installer jdk7 sudo apt-get install oracle-java7-installer jdk8 sudo apt-get install oracle-java8-installer The installer will prompt you to agree to oracle's terms of service and ...

Homebrew It is a package management tool under Mac OS platform, with many practical functions such as installation, uninstallation, update, view, search, etc. A simple instruction can realize package management, which is very convenient and fast without you caring about all kinds of dependencies and file paths. Installation method /bin/bash - ...

This scheme realizes RTMP streaming after single frame image processing Reference resources Nginx and nginx RTMP module building RTMP video live and on demand servers,<jkuri /opencv-ffmpeg-rtmp-stream>,Compiling and installing ffmpeg under Linux (modification - simple and complex final version) Setting up nginx server download ngin ...

rise Fedora's kernel is frequently upgraded.But I found that restarting doesn't use the new kernel.I need to check the GRUB configuration file. ydx@ydx-mf:~ $ cat /etc/default/grub #GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" ...

cmake reported an error: 　　 CMake 3.8 or higher is required.  You are running version 3.5.1 It indicates that the current version of cmake is too low. Installation steps: 1. View the current cmake version: cmake -version 2. Uninstall the current cmake: (skip this step if ROS is installed) sudo apt remove cmake 3. Download c ...

Updated ubuntu20.04, the interface was good and the feeling was fine, so I started my Alchemy environmental configuration journey. 1. Driver Remember that BIOS shuts down Secure Boot. [Important] Disable nouveau sudo gedit /etc/modprobe.d/blacklist.conf Add on last line blacklist nouneau implement sudo update-initramfs -u restart lsmod ...