1) Telnet (Telecommunication Network Protocol)
Telnet enables communication between the client and the server through option negotiation.
As shown in, the Telnet client process interacts with the Terminal Driver and TCP/IP module to transmit
The learning progress is a little slow. I finally succeeded in installing the Oracle 11g R2 database on the Red Hat Enterprise Linux 5.5 system on the Virtual Machine. Here I will share my installation experience with you! Of course, the level is
When learning about linux servers, you may encounter setup problems. Here we will introduce how to build linux servers. After careful sorting, I will share with you here.
Linux Server Build EnvironmentLinux AS4 2.6.9
Linux Server build 1:Install
Introduction to SSH1, SSH2, and ssh1ssh2 in Linux
SSH: Secure Shell. Is a security protocol.A common application scenario is remote console login.SSH1 is free of charge and SSH2 is charged.In fact, SSH is not only used in Linux and Unix, but also
Using an SSH client to remotely log on to a Linux host (which can replace samba and ftp services) is initially generated by multiple users. Multiple users can log on to the Linux host to perform operations at the same time, 1:Figure 1 SSH (Secure
1. Nslookup (name server lookup): a tool used to query Internet domain name information or diagnose DNS server problems. Nslookup can specify the query type. You can check the DNS record survival time and specify the DNS server to be used for
Basic configuration of newly installed ubuntu and basic configuration of ubuntu
1. Enable the root account
1. Set a password for the root user.
Sudo passwd root
2. Switch to root Login
Su root
3. Enable login and edit Configuration
Sudo vi/usr/share/
Fix tomcat garbled characters on linux servers.
1 Ensure that the linux server uses UTF-8
Local-a: view supported Fonts
Change vi/etc/sysconfig/i18n to zh_CN.UTF-8
2. Change the Client code such as Xshell, putty, and SSH Secure Shell Client to
Basic network knowledge (I)
VPS: (Virtual Private Server) Virtual Private Server that virtualizes one Server into multiple servers. Container technology and virtualization technology. Each VPS can be assigned an independent public IP address and
The Remote Operation server has multiple connection methods, such as ftp and telnet, but it is plain text transmission, which poses a great risk to the server. My favorite is SSH connection.
SSH Secure Shell, encrypted transmission, and compressed
Basic SSH tutorial
In Linux, OpenSSH is the most popular remote system logon and file transmission application, and is also a new product for traditional network applications such as Telenet, FTP, and R series. Among them, ssh (Secure Shell) can
What is SSH? Secure Shell (SSH) is developed by the Network Working Group of IETF. SSH is a security protocol created on the application layer and transport layer, provides a secure transmission and use environment for the Shell layer on the
Download from linux and linux[Connect to the server through the terminal software secureCRT]
Connection Service: ssh (secure shell) Security Kernel
Connect to the service protocol and use port 22
Set secureCRT:
[Optical drive mounting]
SSH password-less Logon
SSH (Secure Shell) is a security protocol designed for remote login sessions and other network services.With SSH, You can remotely log on to other Linux Hosts, but you need to enter a password. If you log on to 10.3.93.213,
Remote logon to Linux
Linux is mostly used on servers, and servers cannot be stored in the office like PCs. They are stored in IDCs, so a Ming usually logs on to the Linux system remotely. In Linux, the remote logon function is implemented through
OpenSSH is a free open-source implementation of the SSH Secure SHell protocol. It uses secure and encrypted network connection tools instead of telnet, ftp, rlogin, rsh, and rcp tools. OpenSSH supports SSH protocol versions 1.3, 1.5, and 2. Since
CentOS restore the deleted boot Partition
In CentOS 6, the boot partition is deleted due to carelessness or operation errors,
In this case, can I restore the deleted boot partition?
1. Use the centos6 image to enter the linux rescue mode.
2.
Reading directory
I. Environment Configuration
Ii. Operation Process
Introduction to Kafka
Installation and deployment Back to Top 1. Environment Configuration
Operating System: cent OS7
Kafka version: 0.9.0.0
Download Kafka Official Website:
1. Network Transmission: physical layer, data link layer, network layer, transmission layer, Session Layer, presentation layer, and Application Layer
2. Transmission Unit: transmission unit of the physical layer: Data bit stream (BITs) and data link
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