Linux

BKJIA exclusive Article] As a Linux/unix system administrator, I often encounter this question: What can shell do? PHP is so powerful, why not use PHP to complete the work? In fact, shell is mainly used for database backup (SVN backup), scheduled

This article describes the cluster system file system, including Coda, Global, xFS, and MOSIX file systems. The development of cluster computing requires the development and upgrade of the file system. This file system not only provides parallel

Boot appears after Linux is started: when prompted, use a special command, such as Linuxsingle or Linux 1, to enter Single-User mode ). This command is very useful, such as forgetting the root password. Restart the system and enter Linux single (or

I. Domain Name and domain name resolution In order to differentiate each host in the network, a unique address must be assigned to each host. This address is called an "ip address ". However, these numbers are hard to remember, so they are replaced

This time we will learn about the Sendmail server configuration in Linux. The email server's IP192.168.1.2 host domain name is mail.ltest.com) Premise: First we install the DNS server OK can resolve, do not understand Look At The

In Red Hat Enterprise Linux 5.0 server, if NFS fails, you can check the problem from the following aspects. 1.1 troubleshooting ideas (1) Whether the NFS client and server load is too high, and whether the network between the server and the client

VsftpdI have been using it for a long time and feel very stable and secure. I would like to recommend it to you. This article will show you another function of read/write permissions. FTP users generally cannot log on to the system, which is also

VsftpdIs the most popular FTP server program in the Linux release. Features: small, light, secure, and easy to use. Configuration is a little troublesome. The vsftpd. conf file configuration is relatively simple. You can set it as follows: VSFTPD

Linux dual-nic bonding technology has two advantages: one is to increase server reliability, and the other is to increase available network bandwidth to provide users with uninterrupted key services. The previous article describes the specific

Run the command in the Linux background. Here we will introduce the at Command, which has a certain relationship with cron. Here we will also detail how to use the at command. We should compare and analyze the running commands in the Linux

The Linux ifconfig command is often used. With this command, we can view the NIC information and perform simple configuration on the NIC, here we first use the Linux ifconfig command to view information, and will introduce how to configure the NIC

The following describes the two Representation Methods of the storage device in Linux. It is okay to send it out. I hope it will be helpful to some users who do not understand it. You can skip this step. 4. Application of different representation

The following describes the 60 required Linux commands that must be mastered by new users. If you have mastered these commands, your technology will be greatly improved, we hope that the technology will be greatly improved after reading this article.

When we use the Linux system, we will find that the system does not respond and crashes. What should I do at this time? Speaking of this, some people will ask, will the Linux system crash? Yes, I'm sure! It is easy to let Linux Crash, but the hard

Previously, we used cacti or mrtg to monitor switch traffic, but seldom used to monitor servers. Today, let's use cacti to monitor linux, today, we will first compile and install the Basic installation snmp and rrdtool 1. The installation of the

PC Desktop OS has been in a subtle stage for a while. Microsoft is gradually fading out the XP operating system from users' desktops, and wants WIN 7 to take over the market. However, the long-standing Linux operating system sniffed the fighters. In

Every time we use Ubuntu and other Linux systems, there will be a lot of commands that require us to focus on. In this article, all the commands are arranged in alphabetical order and only the most common parameters are described, can solve problems

In the production of the Linux release, Linux from Scratch is truly a master. Linux from Scratch is an e-book created in an online community to help those deeply rooted in finding ways to improve computer performance, tweaker) to help them create

At present, Linux fans know how to correctly configure the wireless network card, but how to configure a Linux wireless server? This article mainly introduces the basic methods for building and related configuration solutions. Creating your own

This article will introduce a BDP test in RHCA, which is also a very common simulation of latency and packet loss, you can test the performance of your application under different circumstances, or test whether your TCP/IP is suitable after