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  • How to create a swap file

    How to create a swap file

    I have been in contact with this swap since I installed the system. As mentioned earlier, it is similar to the virtual memory of windows. The size of the partition is usually 2 times the size of memory. If your memory is more than 4G, then it seems unnecessary for you to divide 8G. 4G is enough for daily exchange. However, there will also be virtual

    Shulou · 2022-06-01 06:23
  • Lintcode33 N-Queens solution problem solution

    Lintcode33 N-Queens solution problem solution

    [topic description] The n-queens puzzle is the problem of placing n queens on an n × n chessboard such that no two q

    Shulou · 2022-06-01 06:23
  • Basic configuration of Huawei Firewall IPSEC Virtual Private Network

    Basic configuration of Huawei Firewall IPSEC Virtual Private Network

    This article introduces the configuration method of IPSEC virtual private network on Huawei firewall. There is no plan for NAT in this model. Configuration steps: first, configure interface 2, configure security zone 3, configure security policy 4, configure static routing 5, configure IPSEC1. Ike p

    Shulou · 2022-06-01 06:23
  • Access to members in objects and access to private members

    Access to members in objects and access to private members

    Method 1: class Person {var $name;var $sex;var $age;function say () {echo "this person is talking"; / / if you don't write echo here, then write return "this"

    Shulou · 2022-06-01 06:23
  • Network layering and Internet Protocol

    Network layering and Internet Protocol

    Sort out the specific layering of the network to facilitate people's understanding of the network structure:

    Shulou · 2022-06-01 06:23
  • Huawei Firewall VRRP&HRP&ipsec

    Huawei Firewall VRRP&HRP&ipsec

    Image above: because there are more devices and configurations, the configuration is not shown. You can download the attachment directly. In addition: the configuration is the document saved by eNSP, which can be opened directly by eNSP simulator. No txt, doc, pdf format (more troublesome) attachment: http

    Shulou · 2022-06-01 06:23
  • KVM (2) KVM applications: expand capacity online, increase the number of CPU cores online, increase memory online, and create restore snapshots of KVM virtual machines

    KVM (2) KVM applications: expand capacity online, increase the number of CPU cores online, increase memory online, and create restore snapshots of KVM virtual machines

    Qemu-img snapshot is commonly used in + + creating and taking snapshots + + KVM snapshots

    Shulou · 2022-06-01 06:23
  • Basic principles of dynamic password

    Basic principles of dynamic password

    Dynamic password, also known as dynamic token, dynamic password. Its main principle is: before the user logs in, according to the user's personal identity information, and introduces the random number to produce the random change password, makes the password information transmitted in each login process is different, in order to improve the security of user identity authentication in the login process. Bank pass

    Shulou · 2022-06-01 06:23
  • Check the local export IP

    Check the local export IP

    At work, you often need to check the ip address of the local machine or server, and then you need to verify the local export IP and so on when adding the whitelist or writing some scripts. Some company APIs need to be whitelisted before they can be called, such as the Wechat official account. The following is the exit ip where I collect and view the server

    Shulou · 2022-06-01 06:23
  • Operation of changing INSM address

    Operation of changing INSM address

    Today, I received a question from the customer about what impact it will have on the customer if you change the server address, and what configuration you need to do if you want to change the server address, so let's talk about what you need to do to change the NSM address today. For method 1 to change the NSM address, first make sure that the address has been defined for NSM: a

    Shulou · 2022-06-01 06:23
  • IP subnetting and vlsm (variable length subnet mask) and route summarization

    IP subnetting and vlsm (variable length subnet mask) and route summarization

    IP subnetting and vlsm (variable length subnet mask) IP subnetting and vlsm (variable length subnet mask) are both structured and hierarchical addressing techniques for large IP networks through manual calculation. IP main class network: the IP network number with the same IP main class address mask as the IP main class address mask, called I

    Shulou · 2022-06-01 06:23
  • Use powershell to search for a character in a web page

    Use powershell to search for a character in a web page

    Continue to sift through the text: filtered: we only need a "97%" character to see that there are so many we only need the first one: the good result has come out, but if we want to push this result to, for example, zabbix, will it be recognized? we still need to deal with this result.

    Shulou · 2022-06-01 06:23
  • Sqlmap command

    Sqlmap command

    SQLMAPGET injection sqlmap.py-u "URL" POST injection sqlmap.py-u "URL"-- data "POST parameter = POST value" COOKIE injection s

    Shulou · 2022-06-01 06:22
  • How to run Kubernetes on AWS with Rancher

    How to run Kubernetes on AWS with Rancher

    As we all know, Amazon has EC2 Container Service, which is the solution Amazon uses to run Docker containers. But I don't think EC2 container service works very well, so now I'm going to test Rancher and Kubernetes on AWS. Kubernetes

    Shulou · 2022-06-01 06:22
  • The Trilogy of illegal Terminal access Control: control, investigation and guidance

    The Trilogy of illegal Terminal access Control: control, investigation and guidance

    Trilogy of illegal terminal access control: control, check, guide Jack zhai 1. Question: * people want to bypass the boundary measures of the network and go directly to the inside of the network. There are generally two ways: one is that the internal host "actively" establishes a new channel and connects to the external network.

    Shulou · 2022-06-01 06:22
  • 10. Modify the metricvalue of offset-list in EIGRP configuration experiment

    10. Modify the metricvalue of offset-list in EIGRP configuration experiment

    1. Experimental topology 2, basic configuration R2interface Loopback0ip address 2.2.2.2 255.255.255.0interface Serial0/1ip address 23.1.

    Shulou · 2022-06-01 06:22
  • How to use Openssl to make CA Certificate

    How to use Openssl to make CA Certificate

    1. SSL Protocol Encyclopedia Business Card SSL is Secure Socket Layer (secure Sockets layer Protocol), which can provide secret transmission on Internet. When Netscape launched the first Web browser, it also proposed the SSL protocol standard.

    Shulou · 2022-06-01 06:22
  • What is the operation mode of SSL certificate

    What is the operation mode of SSL certificate

    This article will explain in detail how the SSL certificate works, and the editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article. How do SSL certificates work? using SSL certificates, you can create secure channels, including using the

    Shulou · 2022-06-01 06:22
  • Where should the competition focus of auxiliary materials be placed?

    Where should the competition focus of auxiliary materials be placed?

    The quality of underwear is a point that people pay close attention to, and the quality of a piece of underwear is a key point. If there is no guarantee in terms of quality, it will have a great impact on people's use and other aspects. In terms of quality, it is necessary to do better in the auxiliary materials.

    Shulou · 2022-06-01 06:22
  • CHECKPOINT releases new features in R80.3

    CHECKPOINT releases new features in R80.3

    IntroductionR80.30, part of the Check Point Infinity architecture, delivers the most innovative and

    Shulou · 2022-06-01 06:22