Linux

First, Samba and NFS, FTP Before you know about the Samba service, you need to know about the CIFS protocol (Common Internet File System), which was the first of a Microsoft deal. The CIFS protocol is the first to implement file sharing and print

This knowledge point incredibly did not record, sure enough time later will forget, hence record. Under normal circumstances, we mount NTFS under Linux, is installed after the ntfs-3g, namely: # mount-t Ntfs-3g/dev/sdb1/mnt/dataThis can be done

Description Operating system: CentOS 5.X Source server: 192.168.21.129 Target server: 192.168.21.127,192.168.21.128 Objective: To synchronize the/home/www.111cn.net directory on the source server to the/home/www.111cn.net of the target server in

Introduction to the Kernel Kernel, is the core of an operating system. It is responsible for managing the system's process, memory, device driver, file and network system, which determines the performance and stability of the system.linux is an

The main advantage of computer network is that it can realize the sharing of resources and information, and users can access information remotely. Linux provides a powerful set of network commands to serve users, which can help users log on to

Each operating system is made up of thousands of different kinds of files. The system itself includes files, users ' own files, shared files, and so on. Sometimes we often forget where a file is on the hard drive. Looking up a file in Microsoft's

This paper briefly introduces how to extend the console of Linux server through the common COM port, which is practical and simple, not limited by the server network, and can easily manage the Linux server in the actual production environment. When

Preface Before seeing a very humorous way to explain the windows of the socket IO model, to borrow this story to explain the Linux socket IO model; Lao Chen has a daughter who works in the field and can't often come back, Lao Chen and her through

Using it for remote management of Linux VPS is very useful, its main advantages are as follows: Completely free; Running in Windows is very good; Fully support SSH1 and SSH2; Green software, no need to install, download the desktop to build a

I. Introduction to the LINUX/PROC catalogueThe Linux kernel provides a mechanism for accessing kernel internal data structures and changing kernel settings through the/proc file system at run time. Proc File system is a pseudo file system, it only

All TCP/IP tuning parameters are located in the/proc/sys/net/directory. For example, here are some of the most important tuning parameters, followed by their meanings: 1,/proc/sys/net/core/rmem_max-the largest TCP data receive buffer

################################################################This article extracts from the old boy Linux practical operation and maintenance Training Center before the exam question (answer part)If reproduced, please be sure to keep the link and

Description of the phenomenonLet's start with the reason for garbled characters.ExampleTo give a practical example, we generally use SSH remote to the server to operate. When you perform some output tasks on the terminal, you will encounter garbled

1. PrefaceRecently, a test tool has been written that requires fast and efficient scanning of which ports are open to each server. At that time, Ping can only detect IP, determine the server network is connected, but not to determine whether the

The content originates from the people's post and Telecommunications press "Linux command Application big dictionary"tell 729 commands, 1935 examplesLearn about the Linux system's reference books, desk book, encountered the command or command not

The implementation of the code is simple and the thoughts behind it are complex.If the pure implementation of the Linux TCP pacing send logic-ordinary timer version of the timer_list replaced Hrtimer, will inevitably incur failure. Because in

Nginx implements detailed configuration of Cluster load balancing, nginx Load Balancing In fact, the Nginx Server Load balancer function is the same as the nginx proxy function. Instead, you only need to change one proxy machine to multiple servers.

How to enable the debugging mode of Shell scripts in LinuxGuideScripts are a series of commands stored in a file. Input commands on the terminal. The method of sequential execution is too weak. using scripts, users in the system can store all

The NIC device name of ifconfig is different from the NIC configuration file, which causes service network restart to fail to start the service, ifconfigrestart When the ifconfig and nic configuration files are named differently Ifconfig

Network File System NFS and Network File System What is NFS? NFS is short for Network File System, that is, Network File System. Its main function is to allow different host systems to share files or directories through a network (generally a LAN.