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  Computer network reference model

  ISO five layers: application layer, transport layer, network layer, data link layer, physical layer application layer: HTTP,FTP,TFTP,SMIP,SNMP,DNS and other (data) computer transport layer: tcp transmission control protocol, udp user data protocol (transport protocol, port) data

  2022-06-01 06:40:58 Views: 210
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  Add route error

  RTNETLINK answers: Network is unreachableRTNETLINK answers: No such processroute: SIOCADDRT: Network

  2022-06-01 06:40:58 Views: 280
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  The problem that routeros cannot access the gateway by ping in ESX environment

  Routeros has been built in the esx environment, has been running normally, due to changes in the environment, made a host and storage migration, and then routeros can not be connected, through the console login can not ping the gateway, ping's own IP is not available, delete the network card and add a new network

  2022-06-01 06:40:55 Views: 231
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  What is the better certificate among the free ssl certificates?

  Editor to share with you what the better certificate is in the free ssl certificate. I hope you will gain a lot after reading this article. Let's explore the methods together. Ssl certificate is an excellent security certificate, which plays a good role in protecting the information security of the website.

  2022-06-01 06:40:55 Views: 239
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  Monitoring and zabbix monitoring base 1

  One: monitoring components. Sensor: collect data and detect data. Data acquisition: CPU utilization disk space, memory bandwidth user online rate = =. Data storage (time series data) data display (graphics) alarm (collected data exceeds threshold) IT system monitoring mechanism: we

  2022-06-01 06:40:51 Views: 280
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  The use of Network Monitoring tool tcptrack

  1. Download address http://download.chinaunix.net/download.php?id=32248&ResourceID=10197tar zxvf tcptrack-1.4.2.t

  2022-06-01 06:40:47 Views: 242
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  The Chinese method of Zabbix and the solution of garbled code

  Zabbix defaults to the English interface, and many friends who are not good at English may not be used to it. The following is a simple introduction to the method of Chinese localization: # click Chinese (zh_CN) here; after the completion of Chinese transformation, there may be two kinds of garbled codes: 1.

  2022-06-01 06:40:42 Views: 283
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  H3C V7 ispec most basic configuration

  Objective: to establish ipsec tunnel between 100.1.1.1 and 200.1.1.2. Two: configure basic command 1 configure acl: [MSR_1] acl advanced 3000 [MSR_1-acl-ipv4-adv-3000]

  2022-06-01 06:40:37 Views: 251
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  Basic instructions and installation of Ansible

  1. Ansible states that ansible is an automation tool that can complete configuration system, software release, high-level task orchestration, and more advanced tasks, such as continuous deployment or zero downtime rolling updates. II. Anisble installation 2.1. here you want to use yu

  2022-06-01 06:40:32 Views: 239
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  Intranet version of peanut shell to solve the problem of non-public network ip, combined with the use of Sixin DTU

  Four-letter DTU and peanut shell configuration are used in industrial or industrial control monitoring and management, mainly wireless remote monitoring, while people usually use wireless data transmission equipment such as DTU or industrial routers. Especially in the use of DTU fixed IP, here we apply through the configuration of DTU and peanut shell

  2022-06-01 06:40:28 Views: 261
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  Why is it difficult to save the hijacked website?

  Many "browser home page hijacking" are done through malware or plug-ins. Many solutions have been checked on the Internet, such as changing browser settings, deleting registry, etc. Even if some software is uninstalled, the browser home page will still be changed after the computer is restarted. "" No security tool can be used to repair or kill.

  2022-06-01 06:40:28 Views: 299
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  Cryptography and identity Authentication Technology-- principles and practical applications of PKI & lt;2>

  Understand and deploy symmetric encryption 1. Prepare symmetrical encryption mini software FatCryptoTool,office Password Recovery to crack the office password. two。 Symmetrical encryption system: special encryption, high speed and high efficiency. 3. data

  2022-06-01 06:40:27 Views: 236
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  Cryptography and identity Authentication Technology-- principles and practical applications of PKI & lt;3>

  To implement encryption protection word for office building application program as an example: a. The default word uses the rc4 encryption algorithm. b. Understand the risk of the password. 1. Set the office password. two。 Crack the office password. Use Accent Of

  2022-06-01 06:40:27 Views: 280
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  Centos7 forgot root password, reset

  1. Restart the system; press the up and down keys to select the operating system to be modified, usually the first, then press e to enter the editing state, delete rhgb and quiet, add init=/bin/bash; and then ctrl+x;2. Enter the command on mount: mount

  2022-06-01 06:40:26 Views: 299
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  Unity3D code encryption prevents decompilation and resource encryption

  Unity3D project encryption prevents decompilation by using the Virbox LM encryption scheme. Virbox LM has a perfect solution to protect the code and resources in the Unity3D game project, which can effectively prevent the code from being decompiled and the resource files stolen. It can be directly to a.

  2022-06-01 06:40:26 Views: 244
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  Password reset steps for Cisco switch

  Cisco switch password reset step 1. PC has break key method 1.1 interrupt device start ctrl+break key step: shut down the device, restart: Self decompressing the p_w_picpath: boot

  2022-06-01 06:40:24 Views: 227
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  Detailed description of LAN Security

  Local area network security 1. Review the common methods [vulnerability scanning and exploitation]: take advantage of the vulnerabilities in the existing operating system and application software through specific operation procedures or using special vulnerability * * programs to * the system or obtain special permissions. For example, the web page * * takes advantage of the omissions of browsers such as IE.

  2022-06-01 06:40:20 Views: 209
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  With regard to a network outage today, ask the expert to point out where the problem is.

  Today, the company's network was all of a sudden cut off, hurried to the computer room, first look at the router, no problem, no problem with the switch, because the network of this store is not laid by me, so I don't know the path of the network cable, so I slowly find it. The first thing is to do the basic topology map, extranet-- switch 1murk-- intranet router--

  2022-06-01 06:40:19 Views: 243
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  Channel component of Flume-ng source code parsing

  If you have not seen the startup process of Flume-ng source code parsing, you can click on the startup process of Flume-ng source code parsing to view the 1 API introduction. The analysis order of the components is analyzed according to the starting order in the previous article, first Channel, then Sink, and finally S

  2022-06-01 06:40:19 Views: 259
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  Kingdee Kis Business Edition 6.0Registration Machine

  Kingdee Kis business version 6.0registration machine, need to contact QQ:1315374453; without replacing Kingdee and any system files, can customize the number of user modules, for professionals in the implementation to provide convenience, registration machine is only for technical exchanges, strictly prohibit commercial use, commercial please buy genuine!

  2022-06-01 06:40:10 Views: 281