ARP-why do we need it?
In any environment, be it the physical data-center, your home, or a rolling alization cloud, machines need to know the Mac, or physical network address, of the next hop. for example, let there be two machines connected
1. The computer reads the BIOS to load hardware information and complete the hardware self-check. Then, it reads the first device that can be started with BIOS settings.
2. read and execute the Boot Loader (grub, Lilo, spfdisk, and other boot
In a company's existing windowspdc environment, add a Linux File Server and use the username account in windowspdc to access the file server. each user has its own home directory.
In this project, the Samba server can be run on the server level
The following article contains some content on the Internet, as well as my own summary during the learning process. I used to post this article on a certain website. I will also post it here to help you.Linux boot is not a simple Power Supply1. The
Directory
1. vsftpd, commonly used FTP server suite;2. FTP user management explanation;
2.1 anonymous ftp users and user groups;
2.2 can anonymous ftp users and FTP user groups be deleted;
3. Install vsftpd;4. Start and Stop vsftpd servers;
4
Recently, there are always problems with IIS, so I can't stand it anymore. I changed the environment of the fire main site and the download topic to Apache. After the change, many problems will arise, such as the speed limit in IIS and anti-Leech,
Many enterprises and organizations on the Internet use Linux as the server platform. When these servers are connected to the Internet to provide application services, they will inevitably become the targets of attacks. This article discusses some
Implement Virtual Domain Name
Complete virtual domain name implementation requires three conditions:1. DNS server wildcard domain name resolution settings; 2. Web
Webmail is a software that allows you to browse emails anywhere on any computer through a web browser. OpenWebMail is a simple, fast, and popular Webmail software package. This guide will enable you to install webmail on your server so that you can
PHP Tutorial. Introduction to installing PHP: this is a PHP Tutorial. a detailed page for installing PHP, which describes the related knowledge, skills, experience, and some php source code.
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Foreword If you lack confidence in using Apache. Or you're already using Apache 2 but you can't let him work with PHP (Apache can't parse your. php script). Don't be afraid, after reading this article, all the problems will be toughened and solved.
Ubuntu upgrade php7.0 to configure fpmsocket
-- (I know so much) -- nginx uses fpm (to manage fastcgi) to process requests and responses.
Nginx and php-fpm can be implemented by listening to Port 9000 (default) or socket.
The 9000 format is 127.0.0
Http://hi.baidu.com/zhengshaohua1987/blog/item/c99262eefe1e04ebb2fb95ee.html
I. IntroductionGenerally, the link to the function library is completed during the compilation period (compile time. All related object files and libraries are linked to
1. Compilation and Connection
In general, if the header file of the library is not in the/usr/include directory, you need to use-IThe parameter specifies its path. Because the same library may be located in different directories on different systems,
Library files are connected (static library and shared
Library) and run (only for programs that use shared libraries). The search path is set in the system. Average
In Linux,/lib and/usr/lib
The two directories are used as the default library search
1. modify the number of files that can be opened by a user process
On the Linux platform, whether it is a client program or a server program, during high-concurrency TCP connection processing, the maximum number of concurrent connections is limited
Document directory
Nfdump
IntroductionNetFlow provides nearly real time traffic monitoring, smart Flow Filtration, aggregation and statistic evaluation, using source/destination IP addresses, protocols, etc. Web interface provides easy
Restrictions on the maximum number of concurrent socket connections in Linux 1. modify the number of files that can be opened by a user process on the Linux platform, regardless of the client program or the server program, when processing highly
Rotten mud: ubuntu 14.04 OpenVPN server, 14.04 openvpn
This article is written by Xiuyi Lin FengProviding friendship sponsorship, first launched in the dark world
The company branch needs to connect to the company's internal server, but the server
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