Linux

New account requires root account or sudo permissions, sudo configuration saved in/etc/sudoers file.Create an account using the/usr/sbin/useradd command, it is best to use absolute path, because different creation account command parameter format

This book is a high-quality Linux technology self-study book written by a number of Red Hat Architects (RHCA) based on RHEL7 system, each chapter knowledge points from the practice and has the strong coherence, is extremely suitable for the Linux

History cmd are for list Bash ' s log of the historical cmd you typed1. List last n commandsHistory n2. Execute cmd NO.N!n3. Execute last cmd!!Or-14. Execute command n times before? -05. Execute the last cmd, which starts with "string"! string6.

Guide A benchmark is a test or a series of tests to determine how well a computer's hardware is running. In many cases, a "benchmark" is actually equivalent to a "stress test." By testing the limits of the hardware, you can then compare the

Linux OS Timer task system Cron get startedCron is a timed execution tool under Linux that can run a job without human intervention. Since Cron is a built-in service for Linux, it does not automatically get up, and you can start and shut down this

Back in the 90 's, Mandrake Linux was the only Linux distribution, and today, the number of Linux distributions has become numerous. This article has compiled the ten widely used Linux distributions, hoping to help you to choose the right Linux

Tools/MaterialsLinux Virtual Host. htaccess fileFor Windows hosts, you need to configure the Httpd.ini file to bind subdirectories, and for Linux hosts, you need to configure the. htaccess file.It may be easier to understand this by example, such as

Morning colleague reflects that the database is not available. Unable to log on to the host properly. After several attempts to finally board the host, check the system log found the following error:Bug:soft lockup-cpu#5 stuck for 17163091988s!It

Kali Linux After installing VirtualBox, open the virtual opportunity to appear: Kernel driver not installed (rc=1908) error prompts, according to the hint, it can be seen that due to the lack of kernel modules caused by Because VirtualBox is running

2016.8.17 16:50-17:30Some important questions to ask isIs this distribution going to being around in five years?Is this distribution going to stay on top of the latest security patches?Is this distribution going to release updated software

Samba is an implementation of SMB that is used primarily to implement file and print services for Linux systems. Linux users can share resources with Windows users by configuring them to use the Samba server.1. What we need to do first is to install

An error occurred while loading Linux Dynamic Link LibraryAfter the pacemakerrpm package is installed, startup failure occurs because the dynamic link library is loaded. The following is a detailed description.Problem Compile and generate an rpm

GIT basic operations. git usage tutorialGitThe job is to create and save the snapshots of your project and compare them with the subsequent snapshots. In short, Git is the source code management tool. The following are simple Git commands that are

Liunx System Service View and management commands, liunx System ServiceDaemon and service)Main daemon categories Stand_alone: This daemon can independently start the service. Super daemon: A special daemon for unified management There are two

Password-free logon in Linux and password-free logon in Linux1. Generate a key in Linux For the command manual of ssh-keygen, run the "man ssh-keygen" command: 　　 Run "ssh-keygen-t rsa" 　　 A ". ssh" folder is generated in the root directory of the

Bash concise tutorial -- variables, bash concise tutorial Variables 1. Preface Bash is a popular scripting language in * nix systems. As a scripting language, variables are the basic elements of a language. In this tutorial, we will learn how

Install Chef workstation on LinuxGuideChef is an IT infrastructure automation software that manages all servers and network devices in your organization. When we want to interact with the infrastructure of Chef servers and any physical nodes

Detailed explanation of iostat commands for real-time IO monitoring in CentOSIntroduction Iostat is mainly used to monitor the IO load of system devices. iostat displays the statistics from the start of the system when it is run for the first time.

Open-source Linux embraces the on-board entertainment system Pple CarPlay and Android Auto have begun to compete for the on-board entertainment system market, and now open-source Linux has begun to work in this field.AutoMotive Grade Linux (AGL)

Operating System: management process understanding, operating system management process understanding I recently started to read the operating system book (which is not in this direction). I still cannot fully understand it when I read the book, so