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What is a mail server? E-mail is an information transmission behavior that uses the network to transmit information to remote servers. We can send files or information to any place on the earth where there is a network, and we can also connect to the internet to receive mail anywhere there is a network. However, there are some problems: 1. Ema ...

When running the model on the server, you often encounter two problems: The model is too large and needs a long running time, and the computer can not be kept in the boot state all the time. Even if it is kept in the boot state, it is not sure which one will turn off and cause re runningDuring continuous training on the server, you find that y ...

1, LVS   LVS (Linux Virtual Server), namely Linux virtual server, is a virtual server system, which realizes the load balancing Cluster function on unix/Linux platform. LVS is a Cluster technology, which adopts IP load balancing technology and content-based request distribution technology. The scheduler has good throughput, transfers ...

Common commands Enter directory cd /usr #Enter the usr directory View catalog file ls #View all files in the current directory ll #View the details, permissions, size, time, etc. of all files in the current directory #ll command = = ls -l command ls Directory name #ls + directory name, you can view all files in the specified directory ...

View network configuration Maximum mtu packet transfer rate View network interface information ifconfig View all active network interface information Execute ifconfig command View specified network interface information ifconfig network interface [root@localhost ~]# ifconfig ens33 ens33 flags=4163<UP,BROADCAST,RUNNING,MULTICAST& ...

ls (list files) command is used to display the list of file directories, which is similar to the DOS command dir under Windows system. When executing ls command, only the file name of non hidden file, sorting by file name and the color represented by file name are displayed by default. When no parameters are added, the list information of the c ...

2.5 HTTP method to inform the server of intention In this chapter, we will learn a lot about the methods used in HTTP. First, take a look at the chart methodexplainSupported HTTP versionsGETGet resources1.0,1.1POSTTransport entity principal1.0,1.1PUTtransfer files1.0,1.1HEADGet message header1.0,1.1DELETEDelete file1.0,1.1OPTIONSAsk for suppo ...

1, Understanding software racks 1.C/S 1) C client / S server 2) Features: a:C/S software usually needs a specific client to use b: It can communicate through any protocol c: The client of C / s software has the ability of data processing and storage, and can distribute the calculation and data of application software in customer service a ...

Qt Network (I) tcp server Introduction TCP TCP protocol, transmission control protocol, is an underlying network protocol for data transmission. Many Internet protocols, including FTP and HTTP, are based on TCP protocol. TCP is a reliable transmission protocol for data flow and connection. QTcpSocket class provides an interface for TCP, which ...

1. Distributed file system Distributed file system refers to the physical storage resources managed by the file system. It is not necessarily on the local node, but connected to the node through the network. It is to gather some scattered (distributed on various computers in the LAN) shared folders into one folder (virtual shared folder). When ...