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  Chapter IV document manipulation-centos7.5 knowledge

  First, the contents of the file view cat command cat command purpose: display the contents of the file cat [options] file name. Cat-n file name display file content and line number more command purpose: full-screen paging display file content interactive operation method

  2022-06-01 03:13:36 Views: 228
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  View system load command

  What are the commands to view the load? I. uptime command 1.uptime details uptime command is mainly used to obtain host running time and query linux system load and other information. The uptime command used to show only how long the system was running. Now, you can show that the system is running

  2022-06-01 03:13:23 Views: 250
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  CSS Analysis of position:relative/absolute Positioning Mode

  First, the relative positioning of position:relative is divided into two situations: no position:relative and position:relative. The code is shown in the following figure: the display effect is as follows: we give box

  2022-06-01 03:13:14 Views: 274
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  Huawei Firewall USG6330 NAT configuration

  Demand: public network 1.1.1.1 NAT port 80 to the private network 192.168.1.1 NAT 80 preparation: 1.1.1.1 you need to report to ISP before you can do port NAT. Remember: be sure to report. If there is no report, it may be connected at that time, but it will not work after a period of time.

  2022-06-01 03:13:12 Views: 292
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  Key authentication for ssh password-free login

  If the key verification is repeatedly unsuccessful, it is likely that there is no chmod 700.ssh.

  2022-06-01 03:13:11 Views: 210
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  Use of the sudo command

  In the linux system, some ordinary users need to use the root account to perform some operations, but we cannot give the root password to the ordinary user, so sudosudo can temporarily switch to the specified account to operate. How to use: sudo [- u user account]

  2022-06-01 03:13:07 Views: 271
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  Login encrypted with SSH and Telnet password

  Experimental requirements: R1 remote login to R22 with SSH. Enter the famp 0 interface of R1 and R2 respectively, and the ip address of R1 with ip address is 192.168.1.1/24R2, and the ip address of 192.168.1.2 Universe 24 (1) is to establish the account number and secret of the router.

  2022-06-01 03:13:03 Views: 268
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  Haproxy parameter optimization

  Commonly used optimal configuration of global: mode httplog globaloption httplogoption http-server-closeoption http-pretend-keepalive

  2022-06-01 03:13:02 Views: 251
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  Share a website where ip checks the domain name.

  Http://dns.aizhan.com/ enter the ip address of the domain name you want to check, and it will list the access status of each domain name.

  2022-06-01 03:12:51 Views: 218
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  Explanation of DNS working principle

  We usually use the domain name to access the target machine instead of directly using its IP address, so what is the translation relationship between the domain name and the IP address? In order to understand the transformation relationship between them, we have to mention the domain name query service. Domain name query service can be implemented in many ways, such as N

  2022-06-01 03:12:51 Views: 240
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  Learn Python+Selenium and build Web automation framework minute by minute!

  To achieve UI automated testing with python+selenium, there must be some foundation of HTML and xpth, of course, the foundation of python must be able to. The author suggests taking some time to understand the relevant basic knowledge, so as not to be confused later. What is seleniu

  2022-06-01 03:12:50 Views: 247
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  Application for license of Citrix Xendesktop 7.6 part II in Vmware background

  1. To apply for a license, Citrix XenDesktop needs to verify the License Server license. For the purpose of the experiment, let's apply for a 90-day trial license. 1.1.Open the following URL: https://www.citrix.co

  2022-06-01 03:12:43 Views: 207
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  Groovy of Gradle Learning Notes

  Gradle is a project automation build tool based on the concepts of Apache Ant and Apache Maven. It uses a Groovy-based domain-specific language (DSL) to declare project settings, abandoning all kinds of tedious XML-based configurations. Grad

  2022-06-01 03:12:43 Views: 297
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  The problem that win7 cannot access the win server 2003 share

  WIN7 computers in the local area network can access the share before. Recently installed a WIN SERVER 2003 and set up sharing. As a result, WIN7's computer is inaccessible. Tried several methods on the Internet, but none of them worked. Finally, according to the netizens' answers, I synchronized the WIN SERV.

  2022-06-01 03:12:43 Views: 248
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  Deployment of cleaning equipment-experience of DDOS-proof deployment

  10 years to sharpen a sword, give back to the Internet, life does not bring, death does not take away. We don't produce technology, just Internet porters. -Foshan Xiaoxi network DDOS***, is a very headache, with the expansion of network bandwidth (various upgrades of ADSL

  2022-06-01 03:12:37 Views: 210
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  62. BGP of IPv6 configuration experiment

  1. Lab Topology 2, basic configuration R1 configure ipv6 unicast-routinginterface Loopback0ipv6 address 1::1/64ipv6 ospf 110area 0inter

  2022-06-01 03:12:28 Views: 257
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  Performance Optimization of Juniper SSG20 Firewall

  If there is no limit, the number of sessions of the firewall can be close to 2000, and at this time it will begin to switch packets, although it is claimed to be 8064, so it is necessary to optimize the firewall without increasing the cost. Find the command line document and first optimize flowearly ageout

  2022-06-01 03:12:23 Views: 263
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  How to quickly set up remote Virtual Local area Network

  The transmission of data between remote networks has some defects, such as lack of stability and reliability, insecurity, temporary and so on. Many branch companies of many companies urgently need to establish a remote virtual local area network, so how to establish a private, secure and stable virtual local area network? At present, the mainstream solution of virtual networking technology is to create a virtual network based on SD.

  2022-06-01 03:12:23 Views: 276
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  CISCO ASA 5520: the old revolution encountered incredible problems

  The company wants to cooperate with local radio and television companies. To this end, we have pulled a 100Mb fiber optic dedicated line. On our side of this special line, the design is to run a cisco ASA 5520 firewall. This device is quite common. I use it a lot. It's just that there's no hands-on configuration for some time.

  2022-06-01 03:12:21 Views: 271
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  DataTable transforms into entity

  Because the query function of Linq is very powerful, I will convert the data from the database to entity collection List for convenience. At the beginning, it is hard-coded, easy to understand, but very low in generality. the following is the code in the control console: 1 using System

  2022-06-01 03:12:20 Views: 239