Linux

1. Make sure Yum is up to date$ yum Update2. Add a yum repositoryTee/etc/yum.repos.d/docker.repo ' EOF ' [Dockerrepo] name=Docker Repository BaseURL=https://yum.dockerproject.org/repo/main/centos/$releasever/ enabled=1 gpgcheck=1 gpgkey=https:

Create a Maven folder and download Maven's tar package into this folderEnter a directory cd/usr/localCreate a folder mkdir MavenDownload Maven's tar package wget

kill process : Ps-ef|grep Tomcat; Kill-9 Toggle Root Permissions : Sudo/usr/local/bin/sudoshvi Edit File : (Command mode): O is a line inserted below the current line q! Do not save exit: Wq Save exitSet Environment : perforce/setenv.sh or source

Linux firewall system as long as the work in the network layer, for TCP/IP packet Implementation filtering restrictions, a typical packet filter firewall (or called Network layer Anti-firewall) Net filter refers to the overall

Related software Installation 1, and environment variable configuration1. View System version command: Uname-a2. Choose to download 32 or 64-bit JDK according to the system version, this time using 64-bit system installation:

Before you begin, verify that the GCC g++ Development class Library is installed, and that the default is set.The UBUBTU platform compilation environment can use the following directivesApt-get Install Build-essentialapt-get Install LibtoolThe

VSFTPDShorthand: VSFTPD is very secure FTP daemon abbreviation, is a completely free, open source code FTP server SoftwareFeatures: VSFTPD is the most respected FTP server program in Linux distribution, small and light, safe and easy to use, support

In the Linux world, following some basic principles, we work with Linux to constantly recognize that Linux related software and its own Linux systems are designed to follow these principles:1, consisting of a small program with a single purpose; a

PrefaceAwk is the most powerful tool in the real world of Linux, and it is a programming language that can be used to process data and generate reports (Excel), and the data can be one or more files. A > shows content within a rangeThe test files

First: mount a local image file (mount: means to place a file in a directory on the system)Mkdir/media/cdrom #新建镜像文件挂载目录CD/USR/LOCAL/SRC #进入系统镜像文件存放目录LS #列出目录文件, you can see the system image file just uploadedMount-t iso9660-o

1. What is an operating system?Operating system is the control and management of computer systems in various hardware and software resources, effective organization of multi-channel system running system software, is the interface between users and

Note: RPM and software-related commands are equivalent to software Assistant management software under WindowsSteps:1) See if the current Linux system has Java installedInput Rpm-qa | grep java2) Uninstall two X OpenJDKEnter RPM-E--nodeps software

1. How does the VI command overwrite the contents of the file and copy the past from Notepad? which commandsThe command line mode GG + DG Delete the original content, and then go into the edit default paste into the new content2.tar Compression and

To configure the Timer task command crontab:Used to increase the timing of the system tasks, you can specify the user, time, and related instructions;To see if the ports are interlinked, scan the port NC:Nc-v IP address port number;Convert Format

Cat: Show or connect files on standard outputCat [parameter] file nameParameter description:-a:--show-all equivalent to-vet-b:--number-nonblank number of non-null output lines, that is, the line number displayed before each line-e: Equivalent

Tap commands in the following order①vim filename②e③i④escDelete command:X (lowercase): Deletes the character at which the cursor is located.DD: Deletes the line where the cursor is located.D: Removes all characters from the beginning of the cursor

Ls-l 显示详细信息-a 显示所有文件-lt 排序-lrt 倒序CdMV Move/Change nameCp-A equals-DPR-v verbose display of actions performed by the command-D point to source files or directories when copying symbolic links-P Reserved Properties-R/R recursion-F Forced replicationRM

chmod 改变文件或目录权限Syntax format: chmod "option" "Mode" "File" chmod [options] [mode] [file or directory]Attention:1.chmod command and subsequent options and files, there must be at least one space between each element2. The pattern has two formats: one

XshellXshell is a secure terminal emulation software that allows remote logins. The main purpose of my use of Xshell is to log into the Linux terminal in a Windows environment and transfer some large files to the Linux environment.1, download

which 显示命令的全路径（查看二进制命令的所在位置，从 PATH 变量所在的路径查找）Syntax format: which "option" "Prcgramname" echo [options] [command name]Attention:The 1.which command and the following options and command names must have at least one space between each elementThe