linux system administrator tutorial

Article Title: How to monitor the usage of Linux system resources. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Although the

networks) are not monitored by illegal personnel. 　　 (3) Key or credit card identification equipment, User Password Key Distribution, file protection, backup or recovery solutions, and other key documents should be stored in a safe place. 　　 2. General user security management 　　 One of the responsibilities of the Linux system administrator is to ensure the secu

Winter vacation idle come to Nothing, a program ape buddies to send a Linux shell Programming Guide, read a few feel good. So put a try.Did not think of a pretend to know the problem.Start here:Step 1:Software Preparation: Ubuntu system image, which is used in Ubuntu 14.04.1 LTS 64bit version. LTS indicates long term support.---to be continuedTwo-system practice

In the Linux File Command Master Guide, we discussed the basic information needed to leverage the most basic and most common Linux file commands. In this article, I will discuss the Linux system commands in the same way.As we learned in the previous article, in the Linux/uni

system is the way to organize files stored on disks and other storage devices. Linux supports a variety of popular file systems, such as EXT2, EXT3, FAT, VFAT, ISO9660, NFS, and SMB. Here I want to talk about file systems, first, the linux File System is a directory structure and a tree structure. The following descri

"Linux system root sub-directory functions"/root directoryThe corresponding files for the/bin System Execution command are in this directory/sbin System Super Administrator execute command files are in this directory/dev device CPU, memory RAM, disk drive,All the things in t

/id Class Job Files Size timeActive bluher@linux+928 A 928 grep2.out 779 21:24:14Done Bluher A 877 (STDIN) 117258 13:09:53$ LPRM 928Printer Lp@linux:Checking perms ' cfa928linux.local 'dequeued ' cfa928linux.local ' Here, when we send the job to the printer, we query its status. LPQ showed us that the job with number 877 was completed, and the job number we just sent was 928. We use the command LPRM 928 to remove the active job from the queue. Disk in

directories in Linux? File structure in Linux to see how each folder is used/Bin binary executable command/Dev special file/ETC system management and configuration fileConfiguration files and scripts started by/etc/rc. dThe base point of the/home user's home directory. For example, if the user's home directory is/home/user, you can use ~ User/Lib standard progra

corresponding windows console commands. For example: Ls. BAT: @ DIR/A/W CP. BAT: @ Xcopy % 1% 2 Sometimes you need to use the administrator privilege, and you do not have to knock on the lengthy RunAs command to directly create a su: Su. BAT: @ RunAs/User: Administrator "cmd" For the storage location of these batch processing commands, the Windows Syste