duties of linux administrator

The sections below summarize some of the main tasks that administrators is expected to perform.1. Account ProvisioningThe system administrator adds accounts for new users, removes the accounts of users, is no longer active, and handles All the account-related issues this come up in between (e.g., forgotten passwords).2. Adding and removing hardware3. Performing BackupsPerforming backups is perhaps the most important job of the system

Statement again: You can reprint the statement, but please indicate the source: http://blog.csdn.net/battle_cry; Author: Cui bingzheng Unlike the configuration management engineer, the clearcase Administrator is responsible for the establishment and maintenance of the clearcase system, while the configuration management engineer is responsible for the specific configuration management, for example, for baseline establishment and configuration item tr

, and orderly advance.8, research advanced operation and maintenance concept, mode, to ensure that the business continues to be stable and orderly.Linux is now popular with internet companies and wants to stand out from the many IT workers, requiring advanced technology and learning to add value is essential. The way of learning is your insistence. Old boy Education Linux cloud Computing Operations course, 10 years of technical precipitation, put an e

Article Title: How to Become a qualified Linux system administrator. 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. On many free LINUX

This chapter describes an important part of the standard Linux directory tree, based on FSSTND file system standards. Outlines a general approach to dividing a directory tree into several separate file systems for different purposes and given requirements. Some other methods are also explained. Background Loosely based on the Linux file system standard FSSTND version 1.2 (see bibliography [Qui95]), this cha

One of the most important tasks for Linux system administrators is to be responsible for system kernel upgrades. It is very important for the stability of Linux system to do well to upgrade the kernel of the system. But few dared to escalate the kernel of a Linux system, fearing that it would affect application services on existing

If you have become a linux administrator or want to become a linux administrator, you need to understand one thing: Lazy System Administrators are the best system administrators-Anonymous The work of the system administrator is invisible to other IT groups or end users. In m

The interface-friendliness, graphics performance, and attachment tools of the Linux desktop environment have evolved dramatically, but the Linux server has yet to reach this step. As a system administrator, you must be proficient in Linux commands. There are many Linux comma

ordinary users (with chmod), for example in an 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 T

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 n

Users and system administrators often need to run commands regularly. For example, a system administrator might want to run a program that clears the directory of staging files (/tmp and/var/tmp) from old files to avoid full disk because not all programs clean up their staging files correctly. Cron service is doing this. Each user has a crontab that lists the commands he wants to perform and the time he wants to execute. The cron daemon is responsibl

Linux administrator Manual (1)-Linux System OverviewThis chapter provides an overview of Linux. First, describe the main services provided by the operating system. Then describe the program implementing these services with a considerable lack of detail. This chapter aims to understand the system as a whole and further

Article Title: How does a Linux system administrator know what a user is doing. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic classification Linux

This chapter describes the important part of the standard Linux directory tree, which is based on the FSSTND File System Standard. This section describes how to divide a directory tree into several separated file systems based on different purposes and given requirements. Other methods are also described. Background This chapter is loosely based on the Linux File System Standard FSSTND version 1.2 (see [Qui

This chapter describes an important part of the standard Linux directory tree, based on FSSTND file system standards. Outlines a general approach to dividing a directory tree into several separate file systems for different purposes and given requirements. Some other methods are also explained. 　　Background Loosely based on the Linux file system standard FSSTND version 1.2 (see bibliography [Qui95]), this c

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

Journald is a new system log method created for Linux servers. it marks the end of text log files. Now the log information is written to the binary file and read using journalctl. to obtain this information, the Linux administrator will need some practices. RedHatEnterpriseLin label: Linux server Journald is a new syst

Today, a system engineer may need to manage and maintain multiple servers. Setting the key passwords of all servers as unified passwords will inevitably cause security risks, if each server has its own set of passwords, the number of passwords may be too large and confusing. It is common to forget the passwords. The younger brother will introduce new people with an opportunity to correct their mistakes.. Thoughts on changing the Administrator Password

Changing Linux System Administrator skills How long ago did you compile the kernel? The answer to the new generation of Linux administrators is simple: I have not compiled the kernel. I have never compiled the kernel. Of course I am not sure about it. I really can't think of why I need a custom kernel, so I just used my "out-of-the-box" kernel.

To become a qualified LINUX administrator rule-general Linux technology-Linux technology and application information, read the following for details. Rule 1: Understand everything about LINUX. First, before learning about the following rules, I must explain to you that, eve