oracle linux commands

Summary of common Linux commands (5) disk management and common linux commands Disk Management Command Option Annotation Example Df [Option] Display disk space usage Displays the disk space as an employee, in MB: df-M -I Display Results Using i

View the summary of system load-related commands in Linux, and view load commands in linux How to check whether the system is loaded W: View the overall load command of the system. It mainly focuses on the load average value, indicating the average load value of the system within 1 minute, 5, and 15 respectively. Gener

Linux Security Basics: network configuration commands and linux basic configuration commands 1. ifconfig view and configure network interface information(1) set an IP addressIfconfig eth0 192.168.0.1(2) temporarily disable or enable the NICIfconfig eth0 downIfconfig eth0 up(3) set the subnet maskIfconfig eth0 netmask 2

Linux MySql commands and Linux MySql commands 1. Install the MySql server command:Yum install mysql-server Yum install mysql-devel 2. Install the MySql client Yum install mysql 3. Start the service Service mysqld start or/etc/init. d/mysqld start Stop:Service mysqld stop Restart:Service mysqld restart 4. Creat

Common commands in linux: 1. Common commands in linux Man help document Usage method: man command name, such as man; simple view method: command name -- help Or help command name Ls list folder content Tree View directory structure Cd switch directory Pwd View Current Directory Cp Replication Move music videos

Common Linux commands (30) and common linux commands The cal command can be used to display calendars in the Gregorian calendar. The Gregorian calendar is an international calendar, also known as the Gregorian calendar. The "Gregorian Calendar", also known as the "solar calendar", is a year when the earth is traveling

Common Linux commands (24) and common linux commands Chown changes the owner of a specified file to a specified user or group. The user can be the user name or user ID, and the group can be the group name or group ID; files are separated by spaces to change the permission list. Wildcards are supported. The system admin

Common Linux commands (13) and common linux commands The head and tail are just as easy to understand as their names. They are used to display a certain number of text blocks at the beginning or end, and the head is used to display the beginning of the file to the standard output, and tail takes it for granted that it

Tcpdump for linux commands and tcpdump for linux commands Tcpdump can completely intercept the "Header" of the packets transmitted in the network for analysis. It supports filtering at the network layer, protocol, host, network, or port. And provides logical statements such as and, or, and not to delete and select usel

Network communication commands1. Send a message to a user: write Command name: Write English Original: command path:/usr/bin/write Execute permissions: All user syntax: Wirte 2. Send broadcast message to all users: Wall Command name: Wall English Original: Write all command path:/usr/bin/wall Execute permissions: All user syntax: Wirte 3. Test network connectivity: Ping Command name: Ping English Original: Write all command path:/usr/sbin/ping Execute permissions: Root syntax: Ping option IP a

Linux Backup and compression commands TarCommand Tar can create files and directories. Using tar, you can create a file (backup file) for a specific file, change the file in the file, or add a new file to the file. Tar was originally used to create files on tape. Now, you can create files, such as floppy disks, on any device. Using the tar command, you can package a large number of files and directories in

Common linux shutdown and restart commands and linux restart commands1. shutdown Shut down after all services are closed -C: cancel the previous shutdown command. -H: Shutdown -R: restart -K: sends a shutdown reminder to all users, but does not shut down # Cancel shutdown command shutdown-c # immediately shut down (now) shutdown-h now # shutdown at # shutdo

Linux vi Common commands and linux vi commandsI. move the cursorJ. Move a row down;K. Move a row up;H: move one character to the left;L move one character to the right;Ctrl + B Move the screen up;Ctrl + f move one screen down;$ Move to the end of the row;Move gg to the beginning of the document;Move GG to the end of the document;0 is moved to the beginning of the

Linux commands-system management commands I. Installation and logon commands Login1. RoleLogin is used to log on to the system and has the permission to all users.2. Format Login [name] [-p] [-h host name]3. Main Parameters -P: notifies login to retain the current environment parameters. -H: used to transmit user name

In the previous sections, we have divided Linux commands into several parts based on their functions in the system. However, there are still some commands that are difficult to classify, but learning them is the same In the previous sections, we have divided Linux commands i

Oracle starts listening, views listening, and stops listening commands, and oracle listens Start listening: lsnrctl start View listener: lsnrctl status Stop listening: lsnrctl stop 1. oracle data servers include instance processes and databases; Instance processes include: memory structure (sga), background process (p

] ~]# which --skip-alias ls/bin/lsThe whatis:whatis command displays the header line of the manual section. You can then issue the man command to get additional information[[email protected] ~]# Whatis CDCD (1p)-Change the working directoryCD [Builtins] (1)-bash built-in commands, see Bash (1)[Email protected] ~]# Whatis mkdirmkdir (1)-Make directoriesmkdir (1p)-Make directoriesmkdir (2)-Create a directorymkdir (3p)-Make a directory[Email protected] ~

The previous blog we explained the Linux file and directory processing commands, or Laosheng Changtan, for beginners, we do not need to fully remember the command of the detailed syntax, remember what the command can be done, and then need to check the good, with the more we will naturally remember. In this blog we go on to the Linux

Tags: character dev large database information Management DBA needs to run develop fromI. Classification of databases I. Classification of databases1. Small database: Access, Foxbase2. Medium database: Informix, SQL Server, MySQL3. Large database: Sybase, DB2, Oracle Second, how to reasonably use the database in the project, can be based on the following three aspects to start1, the size of the projectA, how much load, that is, the number of usersB,

Php executes External commands in linux and phplinux External commands Directory:1. Introduction to calling external commands in PHPIi. Security IssuesIii. TimeoutIv. Problems with running commands in the linux environment in PHP1