Linux

Hardware BasicsHard disk It starts with a portion of the sector as the primary boot partition, including the MBR (Master boot Record) and DPT (partition table) (two management modes), and a portion of each partition starting from the sector, which

Command format:Find [Find Range] [options] [parameters] Command function:Find a file or directory Command options:-name Search by name, allow wildcard "*" and "?" to be used-size Search by size, generally with "+" and "-" set more than or less

Memory Directory/dev/shmView memory, CPU usageTopView disk usageDf-lDf-hDirectory JumpGo to CDGo back to the previous layer of CD ...Return to root CD/Clear ScreenClearCommon directories/root directory./bootDirectories such as boot programs, kernels,

1, the creation of a 10G file system, the type of EXT4, requires the boot can be automatically mounted to a separate data/data directory;(1) Create a 10G partition650) this.width=650; "src="

Acacia plume Source: Http://www.cnblogs.com/xiang-siyu Welcome reprint, Please also keep this statement. Thank you!Deepin Linux is developed by the deep operating system, based on Debian, built-in Sogou input method, WPS, Google Browser, QQ, Youdao

Yunduan CUIGraphical user interfaces make easy tasks, while command line interfaces make difficult tasks possiblePart 1 Learn Shell1. What is a Shell?A shell is a program that the user communicates with the operating system, reading the user's

Graphical use of the top command in LinuxLine four: Memory status8306544k Total Physical Memory (8GB)7775876k used total memory in use (7.7GB)530668k free Memory Total (530M)79236k Buffers Cache Memory (79M)Line five: Swap swap partition2031608k

One, switch from user to root userWhether you're logging in to Ubuntu in graphical mode or in command-line mode, we'll find that the default is user, but when we need to do something with root privileges (such as a system file), we often need to use

650) this.width=650; "Src=" https://mmbiz.qlogo.cn/mmbiz/ Iahl5mqlicpym9iakkxib1guyqaq1tsnwr8q2zks5hzl0jzsbtzpffnelnhozo7e1iaqqnafjt1zybs5wzk5icj2gx8a/0?wx_fmt=jpeg "alt = "0?wx_fmt=jpeg"/> Content Introduction1, Part IV Lesson five:

When learning Swoole, there is a max_conn parameter,Max_connDescription: The maximum number of TCP connections that the server allows to maintainDescription: When this parameter is set, the new connection is rejected when the number of connections

How to determine if a dual system is installed in a Linux environment1, you can view the boot situation(1) Enter the Linux terminal and enter the/boot directory.Cd/boot(2) LS view/boot directory, if there is grub2 into the GRUB2 directory (generally

Command format:Groups user NameID User NameWho or W Command function:Groups Query the group to which the user account belongsID Query the identity of the user account who view current host's user logon status Common examples:Example one: Query

[Switch] How to forget the root password of mysql in Linux? mysqlroot 1. First confirm that the server is in a secure state, that is, no one can connect to the MySQL database at will.Because, during the resetting of the MySQL root Password, the

Linux Command Line notes (1), commandlineYunduan CUI Graphical user interfaces make easy tasks easy, while command line interfaces make difficult tasks possiblePart 1 learning Shell1. what is Shell? Shell is a program for users to communicate with

Linux uses fdisk partition resizing and linuxfdisk partition resizing Overview The servers we manage may cause insufficient disk space as the business volume increases. At this time, we need to increase disk space, this chapter describes how to use

Samba server and remote logon ssh, samba Remote logon ssh Author: Xiang Si Yu Source: http://www.cnblogs.com/xiang-siyu welcome reprint, please also keep this statement. Thank you!   Deepin installation and configuration of samba ServerInstall

Linux nohup command usage, linuxnohup command In Unix/Linux applications, we generally want to run a program in the background, so we usually use & at the end of the program to make the program run automatically. For example, we want to run mysql in

Batch create 10 user stu01-stu10, create 10stu01-stu10 1. Create 10 user stu01-stu10 in batches, and set a random 8-bit password, requires that you cannot use shell loop (such as: for, while, etc.), can only be achieved with commands and pipelines.  

Application of proxy_pass and rewrite in location in Nginx1. Problem Description upstream datacollectbackend{ #ip_hash; server 10.234.1.211:6100 max_fails=5 fail_timeout=30s; server 10.234.1.26:7100 max_fails=5 fail_timeout=30s; }

Spark On YARN cluster installation and deployment Spark cluster is required for the latest setup, so the deployment process is recorded. We know that Spark officially provides three cluster deployment solutions: Standalone, Mesos, and YARN.