Linux

1. Change the password#修改当前用户的密码$ passwd deploy #修改用户deploy的密码2. New users$ adduser deploy$ useradd -d /home/bill -s /bin/bash -m bill#将bill加入admin组Set Password after new user$ passwd deploy3. Add root privileges to the user$ visudo #打开设置文件 /etc/

Locate all the files in the root directory that begin with test and pass the lookup results as parameters to the RM-RF command for deletion:1, Find/-name "test*" |xargs RM-RF2, Find/-name "test*"-exec rm-rf {} \;3, RM-RF $ (Find/-name "test")If you

This article uses the CENTOS7, the other system also is similar.Install the httpd (Apache) package first.Some systems are installed by default, while others are not. Start the service and you'll know.After starting the service, open the browser to

grep commandFunction: Filters matching rows and data from a text file or pipeline data stream, and works with regular expressions to make them more powerful.Format:grep [options] [pattern] [file]1, match the line containing "GHOSTWU"[Email protected]

One:The following five is a separate command, compression decompression to use one, can be used with other commands but only one of them:Tar-C: Create compressed archives-X: Unzip-T: View content-r: Append files to the end of a compressed archive

Basic use of common Linux commandsOperating systemFunction: Manage hardware devices so that software can interact with hardware.TypeDesktop operating systemWindowsMacOSLinuxServer operating SystemLinuxWindows ServerEmbedded operating

User groupsEach user in Linux must belong to a group and cannot be independent of the group. Each file in Linux has the concept of owner, group, other group Owner Your group Other groups Change the group where the user resides

Linux kernel architecture and boot process(The following content is from the teaching courseware)First, the Linux kernel structureArchArchitecture-related code. corresponding to each supported architecture, there is a corresponding sub-directory

CAs and certificates1. KPI: Public Key SystemVisa agency: CARegistration Authority: RACertificate Revocation list: CRLCertificate Access Library509: Defines the structure of the certificate and the standard version number of the authentication

DirectoryFirst, Advanced commandSecond, the system commandIii. Compression and archiving3.1. Archive3.2. Compression3.3. Archive and Compress Archive, Access: TAR-CF, TAR-TVF Compression, decompression: gzip, gunzip Archive and

Sentence notation: Find corresponds to the directory -mtime + days-name "file name"-exec rm-rf {} \;Example 1: Place all 10 days before the/usr/local/backups directory with "." The file deletion　　Find/usr/local/backups-mtime +10-name "* *"-exec

Summary of commands: 100 or soMkdir方法一 [[email protected] ~]# mkdir /test && ls -ld /test方法二 [[email protected] ~]# cd / && mkdir date && ls -ld /testLs-l (long) d (directory) displays directories or files&&Instead, the difference is that the first

Disk Management Command LS command: Train directory contents-A or-all will list all files and directories, note hidden files, special directories-l Query verbose format list-t sort by the change time of the file or directory-R Reverse SortLs-l

File Permissions ls Command result introductionThe contents shown in-L are as follows:-rwxrw-r‐-1 root root 1213 Feb 2 09:39 ABC-the first character represents the file (-), directory (d), Link (l)-10 characters determine what different users can do

All we mentioned just now is to show the appearance of the file, or to move and copy a file or directory, so what if we want to inspect the contents of an archive?! There are quite a few interesting instructions to share: the most commonly used

Unzip the linux.zip Linux load machine Link: Https://pan.baidu.com/s/1yrmsT3PYfuL9Wlh4FEYxaA Password: s72nUnzip Linux.zipchmod 777-r linux/CD LinuxSH installer.shFollow the prompts to enter the following:Enter ' n 'Enter ' a 'Enter ' n 'Input ' I

First, demand analysisWith the growing Internet technology, the number of servers is also increasing, from the initial several servers to a large data center, alone can not meet in the technology, business, management and other aspects of the

First, online inquiry and help command1.man: View command Help2.help: View Help for Linux built-in commandsSecond, file and directory Operation command:1.pwd: View current directory2.CD: Switch Directories3.tree: Display the contents of the

First: Check your Google browser versionDownload the corresponding Linux version according to Chromedriver and the Chrome version mapping table ChromedriverSecond: Unzip the fileUse the command to copy the extracted files

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