duties of linux administrator

Article Title: Linux administrator Manual (6)-Logon and logout. 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. Sales 　　 Description of what happens when a user logs on and logs off

Article Title: Linux Network Administrator experience: Nic needs to be matched (figure ). Linux is a technology channel of the IT lab in China. Includes desktop applications, Linux system management, kernel research, embedded systems and open source, and other basic categories. I am a

environment with many novices. Other tasks need to be done manually. For example, to change the user name, you need to edit/etc/passwd (remember: with VIPW). Similarly, to add or remove users to the more groups, you need to edit/etc/group (with Vigr). This task is less and needs to be handled with care: for example, by changing the username, an e-mail message cannot reach the user unless you create a message alias at the same time. Delete User To remove a user, you must first delete all of his

Article title: Linux Network Administrator Manual (5 ). 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. Chapter 5 TCP/IP network configuration In this chapter, we will discuss all t

Restore the MySQL administrator password in Linux. 1. Send the kill command to mysqldserver to disable mysqldserver (not kill-9). The files that store the process ID are usually stored in MYSQL. Restore the MySQL administrator password in Linux. 1. Send the kill command to mysqld server to turn off mysqld server (not

Ideally, the system administrator will grow in LinuxGuideThe first time I saw that the Linux operating system was running in my first job, it was around 2001. At that time, I was a customer manager in an Australian automotive supplier and shared an office with the company's IT engineers. He made a CD burning workstation (a huge thing that can burn several CDs at the same time), and then we could burn the ca

This chapter describes the memory management features of Linux, namely virtual memory and disk caching. Describe what the system administrator should consider, work, and purpose. What is virtual memory? Linux supports virtual memory by using disk as an extension of RAM, allowing available memory to expand effectively. The core saves the memory blocks that are not

30 Linux practical commands required by the system administrator In this article, we will introduce some practical and commonly used Linux or Unix commands, which are commonly used by Linux system administrators. This article is not a complete list, but a brief list of commands that can be used as needed. The followin

application. The persistence layer (data access layer), the business logic layer, the presentation layer and the expression layer adopt the MVC architecture pattern, differentiate into the model, the view, the control three parts Outlines how you can import Internet traffic into a subnet. Nat principle Do you know anything about virtualization? Does it use? Virtualization refers to virtualizing a computer into multiple logical computers through virtualization technology. What is the

Change the administrator password in single-user mode in Linux Use CentOS 6.6 in Linux 1. Press e or enter to enter the GRUB Startup Menu after starting the instance, as shown in figure; 2. Press e to enter the editing mode, and move the up/down key to switch to the 2nd line of kernel; 3. Press e to enter the kernel to edit the command line. For example,

Article Source: http://blog.csdn.net/sunrier/article/details/7572299Installation of MySQL administrator and MySQL Query browser under LinuxThe following is my first installation process (Red Hat Enterprise Linux 5)Download Http://dev.mysql.com/get/Downloads/MySQLGUITools/mysql-gui-tools-5.0r12-rhel4-i386.tar.gz/from/pick on the website firstThe first login needs to be registered and then downloaded mysql-gu

August 11, 2008 After learning these 10 skills, you will become the world's most powerful Linux system administrator. The whole world is a bit exaggerated, but you have to work in a large team, these skills are essential. Learn about Shh channels, VNC, password recovery, console reconnaissance, and so on. Examples are attached to each technique. You can copy these examples to your system. Good system adm

ourselves permission to access sudo, so just add it at the bottom: Username all= (All) all//grants sudo access to the user "username" %wheel all= (All) all//grants sudo access to all users belonging to the wheel user group The user name you specify now will be able to use all of the root permissions. You can also allow a user or group of users to have sudo access to a particular service or server instead of the all parameter, but that's another topic.Several optionsAs with any