linux system administrator tutorial

Although GUI desktops, such as KDE and GNOME, can help users take advantage of Linux features without the functional knowledge of command-line interfaces, they often require more functionality and flexibility. Moreover, familiarity with these commands is still necessary to automate certain functions in the shell script correctly. This article is an "accelerated tutorial" on

L016-linux System file permission system actual combat in-depth explanation section Do not know if I can finish the book today, I could write the issue is this week two times the summary, there is progress, oh, but L015 and L016 two lessons are really not much, into the topicThe previous lesson learned chmod, chown, umask, relative to the comparative basis o

statement. Now, the news data table is created. Since not everyone can add news, Only Administrators can do it, so now let's create a data table users to store administrators. 1: id: tinyint type, auto-increment and primary key. 2: name: indicates the Administrator name. The type is varchar. The length is 8 and the attribute is primarykey. 3: password: indicates a password of the varchar type. The length is 32. 4: mail: Same as the mail address. The

program.6./HomeHome is the home directory for ordinary users.7,/libLibrary software or command to run the required libraries files.8,/lib6464-bit library files required for the library software or command to run.9,/lost+foundDisk or file system corruption, power loss, temporary file locationWhen the disk is checked, place the missing files in this.10,/mediaRemovable media devicesA temporary directory that is used to mount removable devices.11,/mntMou

! From the perspective of actual work! A linux worker who can truly meet the requirements for employment What technologies do you want to learn !!! (Most of them are about servers )! Buy now and send: All LINUX video courses of Zhejiang University! (Song Guanghua) Linux Kernel Analysis video tutorial! (Expert

mounted file system, the size of the remaining space, and so on.3,partedThe parted command is powerful, with the parted command to partition a disk device larger than 2TB, and to create a GPT partition (the FDISK command is not available).If you want to view the file system types for each partition of/DEV/SDA, you can follow these steps to view: (primarily the Print List command)Note Requires

The daily maintenance of Linux servers is relatively more stable and secure than that of Windows servers. However, to do this, you must first sharpen your tools. Stable and secure Linux servers are still inseparable from reasonable and timely maintenance. There are many maintenance skills for Linux server systems. I will give you some tips here. 1. Keep the softw

for an error. Now, the news data sheet is set up. Because the news is not everyone can increase, only the administrator to do, so now we have to build data table users to store administrators. 1:id: Type is tinyint, extra set to auto-increment, primary key. 2:name: Meaning is the administrator name, the type is varchar, the length is 8, the attribute is Primany key. 3:password: Meaning is the password

operating system, enter the www.sysint.no website to download MbrFix.exe, or from (download) from the top down the fourth software is;After the download is complete, unzip the ZIP package and cut the MbrFix.exe to the C drive (System disk);(if 64-bit system, please use MbrFix64.exe)Run as Administrator start –> run –>

username shell to/ Dev/null. Using these accounts will not telnet to the system remotely!The 4th is to modify the default password length: The default password length is 5 bytes when you install Linux. But that's not enough, set it to 8. To modify the minimum password length, you need to edit the Login.defs file (vi/etc/login.defs) and put the following linePass_min_len 5 instead The Login.defs file is a

promptLocation:/Indicates the root directory~ In your home directoryDirName indicates the directory name of the directory in which it residesUser identity prompt: $ ##: Represents an administrator user$: Normal UserUser home directory:Normal User home directory: Directory with the same username and/or user nameRoot User home directory:/rootLinux command structure (format)command [options] parameterCommand: is actually the name of a file in a

We have described the installation of Linux systems as examples of CentOS and the use of common Linux commands, and we will introduce the Linux system boot process in this section. What happens when the power is pressed and the moment we see the user interface? Hurry and find out.To boot the process process diagram for

This article introduces the system security protection policy, allowing the system administrator to block intruders. Some improvement methods are discussed for different Linux systems. Guide Many people have begun to talk about intrusions into network hosts, while Linux and

Article Title: monitors 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

Linux system file permission + scheduled task + log system experiment objective: to master the concepts related to file permission and specific operation experiment environment: RedHatEnterpriseLinuxServer5.3 experiment steps: i. file permission II. task scheduling III. log system I. file permission (I) basis...

Http://www.lxway.com/505469826.htmThere are many references to the above linked articles written belowA Linux File system overviewLinux system architecture is different for WinDOS, he is a tree-like file system, under Linux we call everything file, we will be a directory, ca

Basic tutorial for Embedded Linux (version 2nd) Edit recommendations Authoritative book on Embedded LinuxAmazon five-star ratingComprehensive Analysis of Embedded Linux development, revealing a large number of technical Insiders Basic Information Original Title: Embedded Linux Primer: A Practical real-world approac

Install PHPMSSQL extension tutorial in Linux, linuxmssql. In the PHPMSSQL extension tutorial installed in Linux, linuxmssqlPHP naturally has good support for MySQL, but it takes some time to use PHP to operate SQLServer. Today, the team just installed the php mssql extension tutori