ccna commands

This disk describes some of the most commonly used commands for Linux environments, including commands for SVN version control and vim editing commands. This article is original, if need reprint, please famous source: http://blog.csdn.net/qq_223274551. Directory Jump: CD2. View: LL ls3. Connect server: SSH user name @id address such as SSH [email protected]4. Vie

File Management CommandsNot recommended: Follow the book like the Command encyclopedia to learn!The usual commands are about Ten. File naming rules:A) all characters except '/' are legal! b) These characters are best not1, Spacecharacter, tab, BACKSPACE2. Connector3. Special symbol:@#￥$ ()- etC) Avoid use . as a start, use . start with file hidingD) Note: Case sensitive, similar to C language, while Windows is not strictly differentiatede)Linux may n

The command format for Linux is generally: command [-options] [parameters], such as ls-la/etc, you need to note:1) Individual commands are not used in this format, 2) when there are multiple options, can be written together; 3) There are simplified options (-) and full options, such as-a equals-all.(1) LSThe function of the LS command is to display the directory file , the original is a list, where the path is/bin/ls, all users can execute. The releva

Shutdown 1 Runlevel1.target, Rescue.target Single-User mode 2 Runlevel2.target, Multi-user.target Equivalent to Level 3 3 Runlevel3.target, Multi-user.target Multi-User Text interface 4 Runlevel4.target, Multi-user.target Equivalent to Level 3 5 Runlevel5.target, Graphical.target Multi-User graphical interface 6 Runlevel6.target, Reboot.target Rest

C ++ pre-processing commands and pre-processing commands A pre-processing statement is composed of a series of pre-processing-related command operators. the pre-processing statement starts with #, followed by the keyword of the pre-processing command, followed by space, and followed by the content of the pre-processing command. C ++ provides a variety of preprocessing functions, such as macro definition, fi

Use python to execute linux commands and pythonlinux commands Python version 2.7.12 1. Obtain the execution result of a linux Command. For example, obtain the process tree structure of a PID. the linux Command is pstree-p pid, which can be easily obtained by a module in python. As for the case where the obtained results are garbled sometimes, please refer to the previous article: some commonly used

Redis introduction and Common commands, redis introduction Common commandsRedis introduction and Common commands Redis is an open-source, BSD-based, advanced key-value cache and storage (store) system. Redis keys include string, hash, list, set, sorted set, bitmap, and hyperloglog, which are often called Data Structure servers. You can run atomic operations on these types, such as appending strings, adding

About the Oracle rman command, I found the rman command set on a certain network a few days ago. The rman command set in the Oracle rman command has always been what I want to know and finally got a good introduction, so we will share it with you today. I. Summary of list Common commands THE list command lists the backup information in the control file and RMAN recovery directory, which is one of the most intuitive ways to understand all visible datab

PHP executes external commands with an anti-code marker and php executes external commands. PHP executes external commands with the marker, and php executes external commands such as echo 'whoam'. to export a database, the folder to be imported must have the write permission, the content after-u-p must be followed by a

Common Linux commands (6) -- Network Communication commands 1. command name: writewww.2cto.com execution permission: all users function description: send information to another user, with CTRL + D as the concluding remarks: write lt; user name gt; root sends information to the luxh user [root @ l... Common Linux commands (6) -- Network Communication

PHP database Operations common commands, PHP database common commands Php//Set character setsHeader("Content-type:text/html;charset=utf8");//connect to the database and determine success or not$link=mysql_connect(' localhost ', ' root ', ' root ') or die(' Connection failed ');//Select Databasemysql_select_db(' Database name ');//Set character setsMysql_set_charset (' UTF8 ');//Preparing SQL statements$s

PHP executes external commands with anti-apostrophe, PHP executes external commands For example: Echo ' WhoAmI '; Export the database, the folder to be imported must have writable permission, the content after-u-p must be written next to each other Copy the code as follows: Echo ' mysqldump-h localhost-u$dbuser-p$dbpwd--default-character-set=utf8 $DbName >/var/$ Dumpfilename '; Other uses of anti-apostroph