Linux

Lsof (list open files) is a tool that lists open files for the current system. In a Linux environment, everything is in the form of files, with files that not only access regular data, but also access to network connectivity and hardware. So, such

# #日志记录系统每天发生的各种各样的事情, such as monitoring the status of the system, troubleshooting the system and so on. You can check the log for the cause of the error or the traces left by the attack. The main functions of the log are audit and monitoring, as

Recently started writing some articles for the subscription number "Geant4 Incomplete learning Guide".The body begins.Four easy steps to install GEANT4 (Linux) | Entry软件版本：Ubuntu16.04，Geant4.10.04预备知识：Linux命令行终端的简单使用GEANT4 official has adapted to

1. What is Linux server load average?Load is used to measure the size of the server workload, that is, the length of the computer's CPU task execution queue, and the larger the value, the greater the number of processes that include running and

In the Linux system device special file directory/dev/, terminal Special equipment files generally have the following:1. Serial port terminal (/DEV/TTYSN)The serial port terminal (Serial Port Terminal) is a terminal device connected using a computer

[Reprint] Reference blog: https://www.cnblogs.com/wangqiguo/p/6464234.htmlecho '--help ' | Cat This command outputs the echo content, which means that Echo's content is treated as a cat-processed file, in effect the output of the Echo command is

A brief introduction to Linux 1.1 Linux overviewLinux is a UNIX-based open source free operating system, because the stability and security of the system almost become the best system environment for program code to run. Linux was originally

1. Turn off SELinux function1.1 Modify the configuration file to disable SELinux for permanent effectSed ' s#selinux=enforcing#selinux=disables#g '/etc/selinux/config ===> reboot system in effect1.2 Temporarily close SELinux[Email protected] xningge]

If you want to know what your server is doing, you need to know some basic commands, and once you've mastered these commands, you're a professional Linux system administrator.Some Linux distributions provide GUI programs to monitor the system, for

01. What are the roles and advantages of virtualizationRole: Integrate one or more sets of physical resources into a platform to virtualize more available computer resources in a software wayAdvantages: To change more, save costs, resource

1. Compress the MyData directory below the/home directory to Mydata.zipZip-r Mydata.zip MyData #压缩mydata目录2. Unzip the mydata.zip under the/home directory into the Mydatabak directoryUnzip mydata.zip-d Mydatabak3, the home/home directory below the

Process CPU resource allocation refers to the priority of the process. High priority processes have priority rights to implementation. Configuring process precedence is useful for Linux in multitasking environments and can improve system performance.

the difference between Su-and Su--Interactive logon and non-interactive login First, Brief introductionInteractive : Enter the account password directly through the terminal login, etc.variables, aliases, etc. won't inherits from the

I2C subsystem framework, i2c Subsystem 1 I2C subsystem framework The Linux I2C subsystem consists of the I2C core layer, I2C bus driver, and I2C device driver.   (1) I2C core layer The I2C core provides the registration and cancellation methods for

Linux Command: scp command, linux Command scp Scp is short for secure copy. It is used to remotely copy files in Linux. Similar Commands include cp, but cp only Copies files on the local machine and cannot be copied across servers, scp transmission

Reset and restart linux redis, and set the password for linuxredis1. Put # Requirepass foobared remove comments and change foobared to its own password. Here I will change it Requrequirepass 123456 2. Start the redis Service ./Redis-server redis.

Linux details, linux details 1. What is GPL, GNU, and free software? GPL (General public license (GNU General public license): General public license. Generally, open-source software pursues license and allows anyone to edit software code, however,

CentOS 7 implements Multi-Tomcat Load Balancing through Nginx reverse proxy, centosnginx System Environment: CentOS 7.3 64-bit + JDK 1.8 Software Version: Nginx 1.8.1, Tomcat 8 I have always been interested in Nginx. I have learned Nginx through

Detailed tutorial on deb package installation in Fedora Linux, fedoradeb Preface: We know that there are two major software package formats in Linux: RPM and deb.RPM is the recursive abbreviation of "RPM Package Manager. RPM is a management tool

Configure static IP addresses and static IP addresses in Liunx At the beginning, Linux uses dynamic retrieval by default, and we need to set static IP addresses (for xshell connection)   1. Execute the dhclient command to automatically obtain an