how to use telnet

CentOS 7 Network settings in VMware because of the need to use Linux in the work, in the virtual machine loaded with CentOS7 for the experiment, the installation after the use of a lot of problems, mainly network problems, after the

Some basic concepts involved in mail development 1.1, mail server and e-mail To provide e-mail functionality on the Internet, you must have a dedicated e-mail server. For example, the Internet is now a lot of providers of mail services: Sina, Sohu,

Redis is a high-performance key-value database. The emergence of Redis, to a large extent, compensates for the shortage of such keyvalue storage in memcached, and in some cases can complement the relational database well. It provides a

It's the mail function in PHP that triggers the murders. I accidentally saw an article with a manual practical SMTP protocol, and then I tried, and a lot of the problems were finally solved. Now, start. The SMTP protocol is the routing protocol

The history of email is longer than the web, until now, email is also a very broad application of the Internet services. Almost all programming languages support sending and receiving e-mail, but wait, before we start coding, it's important to

A description of the environment Installation of the two CentOS in VMware Three NAT network settings Four Set fixed IP 1 Modifying NIC configuration instructions 2 modifying etcresolvconf to implement domain

You can easily learn about the vro configuration of Huawei 3COM. Let's take a look at the password configuration. When talking about the three major features of Huawei's IOS upgrade, we mentioned that the new version of Huawei's 3COM IOS uses users

First, we will discuss the Huawei 3COM router configuration Environment and the Environment for Huawei 3COM router configuration. Today, we will introduce the basic status, password settings, and IP address settings of the Huawei 3COM vro. For vro

For details about how to set the default mode of layer-3 Switch gateway, recently, many friends have been paying attention to the setting of switch gateway. Today, let's have a deep understanding of the techniques for setting the switch gateway! The

What is TCP/IP? TCP and IP protocols refer to two network protocols or data transmission methods used on the Internet ). They are transmission control protocol and Internet connection protocol. These two protocols are part of many TCP/IP protocol

Postfix cannot use outlook to receive emails-Linux Enterprise Application-Linux server application information. For details, refer to the following. Environment: Domain Name: The domain name has been registered with the public network, and no DNS

The contact with the vswitch has been around for a while, and you may find that some content is getting confused. For example, if the vswitch configures the default gateway, the specific configuration commands are quite familiar, but now I don't

The running status monitoring of Memcached servers can generally be monitored using a dedicated operating system. However, developers can use the statistical commands (stats) supported by memcached protocol in linux. 1. Use telnet to connect to the

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Linux and Unix2012-12-06 17: 40 19 people read comments (0) collect reports 1. First, you must configure the network.There are a lot of interesting introductions on the Internet. Most of them need to remove the NetworkManager.This is mainly because

The Oracle Database Administrator should perform regular monitoring on the Oracle database system as follows: (1) daily running status, log files, backups, and data of Oracle databases 　　 Library space usage, system resource usage check, find and

Trojan programming DIY 8th Service Startup Technology Text/graphic cold air You can open the service generator end of a Trojan at will, and you can find that there is a startup method called "Service Startup", which means this technology is popular,

Every time foxmail receives emails, it is too sad to receive an email that will never be received. Today, this problem is finally solved. Ps: solution: Search from Network The general solution is to use telnet to log on to the pop service of mailbox

In general, CentOS has installed the libevent binary library by default, but no header file for development is installed.Therefore, you can use the following command to install: Yum install libevent-devel Next, you can download the latest memcached

I. Target locking Each host on the Internet has its own name, just as everyone has an appropriate name, called a domain name. However, a person may have several names, the definition of a domain name can also be the same. on the Internet, the