Utility Commands

Hdparm is a Linux shell utility for viewing and manipulating various IDE drives and drive parameters. Most drives can benefit from performance by using similar commands such as Hdparm-qm8-qu1-qc1-qd1/dev/hda. Hdparm 9.38 This version of the wipe script wiper.sh was updated to support all Scsi_disk main device numbers. Supports a long security-erase time for updates. The "J" tag is added to the wdi ...

Start Hadoop start-all.sh Turn off Hadoop stop-all.sh View the file list to view the files in the/user/admin/aaron directory in HDFs. 　　Hadoop Fs-ls/user/admin/aaron Lists all the files (including the files under subdirectories) in the/user/admin/aaron directory in HDFs. Hadoop fs-lsr/user ...

Secedit.exe > Starts security Editor Help automatic safety configuration Management Services.exe > Controls all services sethc.exe > Set High contrast-changes colours and display mode Logoff to set it back ...

Accwiz.exe > Accessibility Wizard for walking you through setting the up your the for machine your. Accessibility Wizard Acsetups.exe > ACS setup DCOM server executable actmovie.exe > Direct Sh ...

4.1 Using the system terminal in the desktop environment, you can use the Terminal program to enter the traditional command line operation interface, in the main menu of the system select "Start" → "utility" → "terminal program" or on the panel click the "Terminal Program" icon to open the terminal. Konsole is a Terminal program window. by typing the shell command here, you can quickly complete the appropriate task. Use terminal work to exit the terminal program, click the "Close" button in the upper-right corner of the window, or type exit at the shell prompt, or press the shortcut key.

2.2.1 Run command If you want to run only one command, you can open the command Line Input window as shown in the following illustration by using the shortcut key <Alt+F2> or by selecting "Run command ..." in the System main menu. Chapter Graphics Desktop Environment Run a command dialog it remembers the command name that the user entered previously, and can either enter the URL address to open the specified page or type the man manual page for the Man:command display system. 2.2.2 Use the terminal in the desktop environment, you can use the terminal program into the transmission ...

Hadoop Basic Operations Command in this article, we assume that the Hadoop environment has been configured for direct use by the operations personnel. Suppose the installation directory for Hadoop is hadoop_home to/home/admin/hadoop.         Start Hadoop 1 with shutdown. Enter the Hadoop_home directory. 2.

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Microsoft provides a toolkit with more than 100 small programs outside of the Windows Server 2003 system. 　　But it seems very few people use them, the author of the server management process in the sense of some things in the toolkit is very practical, the following to recommend some good tools. 1, dir ...

ubuntu16.04server install dockerCE. Docker is an application that makes it simple and easy to run applications in containers, just like virtual machines, which are only more portable, more resource-friendly, and more dependent on the host operating system. To learn more about the different components of a Docker container, see Docker Ecosystem: An Introduction to Common Components. There are two ways to install Docker on Ubuntu 16.04. One way is to install it on an existing operating system installation. Another way is to use one ...

Database security Policy Database security issues have been around the database administrator's nightmare, the loss of database data and the database by illegal user intrusion makes the database administrator physically and mentally exhausted. This paper puts forward some security policies around the security of the database, hoping to help the database administrator, no longer nightmares every night. Database security issues should include two parts: first, the security of database data it should be able to ensure that when the database system downtime, when the database data storage media is corrupted and when the database user misoperation, database data ...