Record the process of configuring ubuntu18-server once

Article directory Summary Step 1: Modifying Software Sources Step 2: Solving the Problem of Boot Card Step 3: Set up root account Step 4: configuring network systems (wifi and static ip) Installation driver Configuring Wireless Network Card with netplan Make the configured system an iso image ...

Posted by Niko on Mon, 23 Sep 2019 05:26:32 +0200

Docker - Building Private Warehouses

Articles Catalogue @[TOC] The main purpose of establishing private warehouse is to use it by oneself or company, download it quickly, and do not need to download it abroad. convenient The main purpose of establishing private warehouse is to use i ...

Posted by gigas10 on Sat, 07 Sep 2019 10:25:19 +0200

shell script step one (for, while, continue, break, select, etc.)

Script step one The second way of writing for cycle: As we all know, for has two ways of writing The first is: for I in k8s-node {1.3}; do setenforce 0; The Second Writing Style: C Language Style Write directly how to use: #After for, you must write two parentheses, also known as double parentheses. [root@linux1 ~]# cat for_2.sh #!/bin/bash ...

Posted by neclord81 on Tue, 27 Aug 2019 07:11:27 +0200

Embedded Linux Container Technology

Embedded Linux Container Technology I. Linux Container Technology The Linux Container container is a kernel virtualization technology that provides lightweight virtualization to isolate processes and resources. LXC is short for Linux Container. Lightweight virtualization can be provided to isola ...

Posted by firemankurt on Tue, 13 Aug 2019 09:06:11 +0200

dns parsing tool dig, one of linux's powerful tools

dig command is mainly used to query host address information from dns domain name server. It works the same as NSLOOKUP command, but it outputs more information than nslookup. Install dig redhat Department System yum install -y bind-utils debian Department System apt-get install -y dnsutils Query Sina's dns parsing as follows Di www.sina.com o ...

Posted by 9three on Sun, 11 Aug 2019 17:17:02 +0200

Docker security (container resource control using Cgroups mechanism)

Article Directory Preface Understanding docker security Namespace Isolated Security Security of Control Group Resource Control Kernel Capability Mechanisms Docker Server Protection Other security features Container Resource Control CPU bound Memory Limit Block IO Restrictions https://www.cnblog ...

Posted by sumathi on Sat, 10 Aug 2019 03:07:35 +0200

Shell Operator for Shell Programming

Disadvantages of Shell Variables shell variables are weak types The default is string type declare command Syntax: declare [+/-] [option] variable name - Setting type attributes for variables + Cancel the type attribute of a variable - a: Declare variables as arrays - i: Declare variables as ...

Posted by NickG21 on Tue, 06 Aug 2019 10:28:00 +0200

Ubuntu Installation EMQ X Server Guide

system requirements Bionic 18.04 (LTS) Xenial 16.04 (LTS) Trusty 14.04 (LTS) Precise 12.04(LTS) Installation of EMQ X You can install EMQ X in different ways as needed: Set up and install EMQ X's image library to facilitate installation and upgrade tasks. Manually download and install the package. Installation of EMQ X with Mirror Library ...

Posted by timvw on Fri, 02 Aug 2019 13:17:02 +0200

Containers

[TOC] Containers are one or a group of applications that run independently.Docker containers are created by Docker mirroring.The relationship between containers and mirrors is similar to objects and classes in object-oriented programming. [info] Container names for the following commands can be replaced with container IDS operation # Create a ...

Posted by Hitwalker on Tue, 30 Jul 2019 21:56:03 +0200

Build your own environment with gazebo simulator of ROS

https://blog.csdn.net/qq_36355662/article/details/80030372 Recently, we need to build an indoor simulation environment for exp ...

Posted by magie on Tue, 30 Jul 2019 13:29:02 +0200