server host local system network restricted

Conventions: 1. This post operating environment is Redhat 9.0,VSFTPD version is Redhat 9.0 with vsftpd-1.1.3-8.i386.rpm, in the installation of the third Zhang Zhong of the disk 2. VSFTPD realization of the most basic purpose: the system exists in the real user can log into the FTP, can use anonymous access. 3. The VSFTPD run mode in this post is run in standalone mode, that is to say, vsftpd all functions in this post are run in the standalone mod

Network troubleshooting: Consider the Server Load balancer System It may be difficult to eliminate network problems. If a Server Load balancer system is added to the network, it will po

Conventions: 1. This post operating environment is Redhat 9.0,VSFTPD version is Redhat 9.0 with vsftpd-1.1.3-8.i386.rpm, in the installation of the third Zhang Zhong of the disk 2. VSFTPD realization of the most basic purpose: the system exists in the real user can log into the FTP, can use anonymous access. 3. The VSFTPD run mode in this post is run in standalone mode, that is to say, vsftpd all functions in this post are run in the standalone mode.

Prerequisites for successful VOD systems and servers: 1. The network system should be designed so as to avoid network traffic congestion. 2. High-performance switches are tightly integrated with servers, storage systems, backup systems, software, system settings, and client settings. 3. There is a need to continuous

There are two types of network server models in Linux: Concurrent Server and cyclic server.A concurrent server can process requests from multiple clients at the same time. A cyclic server can respond to requests from a client at the same time. For TCP and UDP sockets, the tw

Cloud computing is the most popular technology concept this year. sdchina 2008 pays special attention to this topic and invites experts from well-known enterprises to analyze the importance of cloud computing from different perspectives. Although some people (such as Oracle's Accenture) disagree with the concept of cloud computing, more people still think that this is a milestone important technology in computer history. I briefly expressed my views on the importance of cloud computing in an Er

This article describes how to remotely reload a Linux operating system on a Linux standalone server without a console connection, no physical contact, and only a TCP/IP network connection.We call the pre-reload Linux system for the old Linux system, after reloading the Linux

NFS is the abbreviation for the network file system, the Web filesystem, which is no longer explained in detail in the Configuration of NFS, which is configured to look at the CentOS 6 NFS Shared storage configuration for this blog post. The point here is to share multiple folders on the server side. 1. Configuring the/etc/exports FileAssume that the directory t

Three virtual machines are installed on a 2G memory desktop and run well, that is, swap is used more often. See the previous article. Now the platform is basically ready, with its own laptop as the general control, and four machines running on the lab desktop (one solid and three virtual machines), coupled with one server, can do a lot of things, because KVM is a bridge network, the three virtual networks a

Many users want a credible proof of whether the speed of the Win7 system is affected by the DNS server. Many times when users have DNS servers, they are concerned that DNS servers can have a detrimental effect on the speed of windows7 system surfing. When the user opens a local connection in the

Encounter a situation, that is, the time between multiple servers is not synchronous, and some are fast slow, this time will need to use the network,Log on to the server, enter the command date can query the server time, need to synchronize the time need to install ntpdate;1. Installing the Ntpdate toolYum-y Install NTP ntpdate2. Set the