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  • Installation and authorization of DHCP

    Installation and authorization of DHCP

    Job description recently, with the continuous growth of the company's business, the size of the company is also expanding step by step, and the increase in the number of computers is very obvious. Administrators are busy doing manual systems for new employees almost every day, dividing IP, and connecting their hosts to the network, but over time, they find that the company's IP site

    Shulou · 2022-06-01 06:56
  • Using VM virtual machine to connect the network

    Using VM virtual machine to connect the network

    Today we will do an experiment to configure routing. The experiment will involve the following knowledge points: (1) in the process of building the environment, we will clone the virtual machine and modify the network card. These are two very important operations. (2) configuring the router, let me explain this experiment step by step. One: the purpose of the experiment is to use 6 virtual machines.

    Shulou · 2022-06-01 06:56
  • Wireshark Series 5 display filter

    Wireshark Series 5 display filter

    For us individual users, display filters are more common than capture filters. It shows that the filter is mainly suitable for the case of low flow in the stand-alone environment. For those who do not know what kind of packet is needed, it can only be determined after the packet capture audit, so the display filter is usually selected. When

    Shulou · 2022-06-01 06:56
  • Instructions on configuring weblogic KeyStore information, SSL, enabling HTTPS and disabling HTTP

    Instructions on configuring weblogic KeyStore information, SSL, enabling HTTPS and disabling HTTP

    Last time with the headquarters security inspection, collated the configuration weblogic key library information, SSL, enable HTTPS, disable HTTP configuration documents. Example host 192.168.18.1661, enter the jdk installation directory under the bin file, through keytool

    Shulou · 2022-06-01 06:56
  • Node crawler

    Node crawler

    Node is a server-side language, so you can crawl the website like python, so let's use node to crawl the blog park to get all the chapter information. Step 1: create the crawl file, and then npm init. Step 2: establish cra

    Shulou · 2022-06-01 06:56
  • UPS password recovery

    UPS password recovery

    UPS password recovery setting 1, connect serial port line, one end is connected to UPS serial port, one end is connected to computer serial port 2, open super terminal, serial port parameters are set as follows: baud rate 2400 (9600), 8 data bits, 1 stop bit, no parity check, no flow control 3, press enter, system

    Shulou · 2022-06-01 06:56
  • JUNOS common commands

    JUNOS common commands

    Save the current configuration as rescue configuration, eliminate alarm alarm > run request system configuration rescue save upgrade system and back up the system: request system snaps

    Shulou · 2022-06-01 06:56
  • Cisco IP SLA and EEM: multi-exit Optimization Design of data Center

    Cisco IP SLA and EEM: multi-exit Optimization Design of data Center

    This article will demonstrate the multi-egress optimization design scheme of the medium-sized data center through Cisco IP SLA and EEM. The background of data center construction: 1. The data center has applied for multiple egress links from ISP. This article demonstrates with three, of which the first two are enabled by default, any one of them.

    Shulou · 2022-06-01 06:56
  • Openssl https certificate

    Openssl https certificate

    The minimalist certificate openssl genrsa-des3-out server.key 1024 # generates the private key (key) and sets the password openssl req-new-key server.key-out

    Shulou · 2022-06-01 06:56
  • Oenssl Command and Building Private CA under Linux

    Oenssl Command and Building Private CA under Linux

    1. Openssl common commands: # openssl? # View openssl commands and subcommands # man enc # you can directly view subcommands to help encrypt: # openssl enc-des3

    Shulou · 2022-06-01 06:56
  • Microsoft Virsual gets the list of devices

    Microsoft Virsual gets the list of devices

    Experiment process: 1. Open Microsoft Visual Studio 2010, click "File"-- "New"-- "Project", select "MFC Application" and set the project name. 2. Set the prompt message on the interface-- open the "toolbox" to select "c"

    Shulou · 2022-06-01 06:56
  • Shell script: log in using SSH and change your password

    Shell script: log in using SSH and change your password

    Usually operation and maintenance sometimes encounter the need to change the server administrator password, if there are more servers, we can write a script to achieve, saving time and effort. When linux logs in using SSH, you need to manually enter yes to confirm the connection, so first of all, you need to solve this problem and let the script

    Shulou · 2022-06-01 06:56
  • Advertising effect monitoring

    Advertising effect monitoring

    Advertising effect monitoring means that through paid advertising, customers click to enter the website to monitor and evaluate the effects of a series of activities before, during and after advertising. It is not an isolated process. It is necessary to sort out the monitored data and establish a systematic database.

    Shulou · 2022-06-01 06:56
  • Realization of Virtual Host based on httpd

    Realization of Virtual Host based on httpd

    As we all know, a physical server can only run one site, but if you want to implement a server to run multiple sites, you have to use a virtual host. A virtual host, as its name implies, is a virtual host. When the service order is configured, the client accesses as if it had visited several

    Shulou · 2022-06-01 06:56
  • Construction and Development of Enterprise situation Awareness system

    Construction and Development of Enterprise situation Awareness system

    One working principle two based on NIDS * detection three security alarms through NIDS based * detection and WAF intercept data four log analysis five data big screen

    Shulou · 2022-06-01 06:56
  • 5-Office network cabling

    5-Office network cabling

    1. Building neutralization cabling system (PDS) is a standard structural cabling system for transmitting voice data, images and other information. 2. Six subsystems of integrated cabling: information panel to computer level subsystem: from the information panel of the work area to the management subsystem.

    Shulou · 2022-06-01 06:56
  • Note-taking Baidu search

    Note-taking Baidu search

    1. "site" means that the search results are limited to a specific website or website channel, such as "sina.com.cn", "edu.sina.com.cn", or a domain name, such as "com.cn", "com" and so on. If you want to exclude a website or

    Shulou · 2022-06-01 06:56
  • Internet attacks are raging-get a bulletproof vest for your network equipment!

    Internet attacks are raging-get a bulletproof vest for your network equipment!

    Cyber attackers are everywhere in January 2018, and everyone is as busy as usual, the rumbling fans in the IT equipment room are noisy and loud, and everything seems so normal. However, if you look at the digital world in the device from a different perspective, the landscape is completely different. Packet undercurrent surging

    Shulou · 2022-06-01 06:55
  • Desktop Virtualization makes the monitoring room of data center computer room is no longer full of computers.

    Desktop Virtualization makes the monitoring room of data center computer room is no longer full of computers.

    Our reporter interviewed the director of a data center and learned that the data center realized server consolidation through virtualization technology, which greatly alleviated the shortage of space in the main computer room. But the surveillance room separated by the wall also began to have a "machine shortage". The original monitoring room uses PC to manage back-end servers and applications one-to-one. But as soon as

    Shulou · 2022-06-01 06:55
  • Variable coverage vulnerability-parse_str () function

    Variable coverage vulnerability-parse_str () function

    The variable coverage vulnerability caused by the Parse_str () function is used to parse the query string into a variable. If there is no array parameter, the variable set by this function will overwrite the existing variable with the same name. Extremely discouraged in the absence of arr

    Shulou · 2022-06-01 06:55