mkdir command

Third, the command error When the command runs out, make detects the return code for each command, and if the command returns successfully, make executes the next command, which succeeds if all the commands in the rule are successfully returned. If

Never installed (even the client also did not), the project is a disk copy, the result now seems very dazed, or look at, after the opportunity to practice practicing. Server-side installation (11.x)Pre-Installation Preparation work:1. Go to Super

Linux Base command (1) LS command Linux Basics Command (2) CD command Linux Basics Command (3) PWD command Linux Basics Command (4) mkdir command Linux Base Command (5) RM command Linux Basics Command (6) rmdir command Linux Basics Command (7)

Note: This article's mail server is used only to send mail, that is, the STMP server. First, preparatory work 1. Add DNS resolution for mail server Although you can send a message without DNS resolution, it will be treated as spam by most mail

Vsftp+mysql Configuration methodVsftp+mysql Virtual User Configuration process explainedVSFTPD is a very secure and fast FTP server in Unix/linux, which is now used by many large sites. VSFTPD supports saving the user name and password in a database

InnoDB Overview InnoDB provides MySQL with a transaction-safe (acid-compatible) storage engine with Commit, rollback, and crash resiliency. InnoDB locks the row-level and also provides an Oracle-style, non-locking read in the SELECT statement. These

Linux common knowledge and fault handling 1, modify the current system language For example, the current language is en_US. UTF-8, because the environment needs to be modified to ZH_CN. UTF-8, first switch to root, append a line of content.

First, enter the folderFormat: CD [directory name]Common options:CD/Enter current directoryCd.. Returns to the previous level of the directory.Cd.. /.. Moves the current directory up two levels.CD-Returns the most recently accessed directory.Second,

1. ls command: (list) List Directory contentsformat ls [parameter] [file or directory] -A displays all files, including hidden files, special files, and so on. -l Use a list of detailed formats, abbreviated LL-H friendly display

The shell is used to solve the problem of how users communicate with the operating system. 　　 In fact, we all have a misunderstanding of the concept of shell, as if the command line shell is called shell. 　　 The shell, in fact, is the shell. 　　 As

Normal file (-)We use LS-LH to see the properties of a file, we can see similar-rw-r--r--, it is worth noting that the first symbol is-, such a file in Linux is a normal file. These files are typically created with some related applications, like

Common types of Linux files: normal files, directory files, character device files and block device files, Symbolic link files1.1.Normal file(-) LS-LH to see the properties of a file, you can see a similar-rwxrwxrwx, it is worth noting

First, the concept of Linux permissionsThere are two types of users under Linux: normal Users and Superuser ().Ordinary users: do a limited amount of things under Linux;Superuser: You can do anything under the Linux system without restrictions. The

Please follow the Linux basic commands as required on the machine.CD command: Switch directories(1) Switch to directory/usr/localCd/root/usr/local(2) Go to the current upper directoryCd..(3) Go back to your home foldercd~ls command: View files and

File and directory operations (40 commands)1.ls"Command Action" lists the contents of a file or directory"Command Syntax" ls [options] [parameters]"Common Options"-C Multi-column displays the listed files and content (default option)1 single-column

---restore content starts---1. ls"Command Function"List and display files in a directory"Command Syntax"ls [options] [parameters]"Common Options"-L long format display (entry attribute, file type, permissions, number of hard links, owner, genus,

Linux installation process encountered problems 1, the Linux installation process does not have the Ubuntu (64-bit) option (My Computer is 64-bit)?? Workaround:The reason is that there is no open Blos, each computer has a way to enter the Blos, to

1. Receive the user's parameters:In order to give the user more flexibility to complete the work requirement, the shell script can pass parameters when executing the command: (command name parameter 1 parameter 2 ... ）Shell pre-defined variables:$ $

Linux Beginner-File Management ChapterEverything in the Linux system is stored as files in the computer, so the management of the files in the Linux system is very important. The following are some common approaches to file management.1, the

Security for Linux1./ETC/PASSWD file/etc/passwd filefield contains the following information:Login user NameUser passwordUID of user account (in digital form)Group ID (GID) of the user account (in digital form)Text description of user account