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  • CentOS7 upgrade CentOS8

    CentOS7 upgrade CentOS8

    Note: the method in this paper has been successfully implemented on Tencent Cloud server. Please back up the important data on the server before specific operation. Step 1: install the epel repository yum install epel-release-y step 2: install the yum-utils tool yum

    Shulou · 2022-06-03 00:44
  • [Zabbix4.2 Learning Notes] 5. Data collection-HTTP agent

    [Zabbix4.2 Learning Notes] 5. Data collection-HTTP agent

    HTTP agent is the request of http/https to obtain monitoring data, which is mainly used to monitor the business of HTTP and the data collection process of interface responsiveness: zabbix server/proxy sends HTTP/HTTPS requests. Be

    Shulou · 2022-06-03 00:44
  • LVS+keepalived High availability Cluster

    LVS+keepalived High availability Cluster

    Keepalived was originally a powerful auxiliary tool designed specifically for LVS, mainly used to provide failover and health check functions-to determine the availability of LVS load dispatchers and node servers, isolate and replace them with new servers in time, and replace them when the failed host replies.

    Shulou · 2022-06-03 00:44
  • The method of downloading files to local in linux

    The method of downloading files to local in linux

    The editor in this issue will bring you the method of downloading files to local in linux, and analyze and describe it from a professional point of view. I hope you can get something after reading this article. Linux downloads the file locally, enter the command sz file name under linux, and then

    Shulou · 2022-06-03 00:44
  • Which vendor is the best among all the public cloud management systems at present?

    Which vendor is the best among all the public cloud management systems at present?

    Public cloud management system is a space to provide data and data storage and operation through the network or the Internet. It is a third-party management platform derived from the development of cloud computing. Making use of the convenient and fast characteristics of the cloud management platform, it helps the staff to realize that they can use themselves in different network environments or in different computers.

    Shulou · 2022-06-03 00:44
  • The

    The "context" of the WannaCry blackmail virus incident

    Background: Jackzhai 12, 2017 is a quiet day, everyone is happy to pack up and go home for the weekend. 1. However, since the afternoon, cyber security companies have been receiving calls for help from users, and more and more

    Shulou · 2022-06-03 00:43
  • What are the functional features of Apache

    What are the functional features of Apache

    What are the functional features of Apache? Perhaps many people do not understand, in order to let you understand better, the editor summed up the following content, I hope you can gain something according to this article. Apache is a Web server software, has a variety of products, can support SSL technology, support

    Shulou · 2022-06-03 00:43
  • Exchange Server OS (operating system) preparation

    Exchange Server OS (operating system) preparation

    * HotFix required to install exchange server 2010 (previous versions of windows server 2008 R2 sp1 require the following five patches, windows server 2008 R2 sp

    Shulou · 2022-06-03 00:43
  • Exchange cross-forest migration Part8 migration user account

    Exchange cross-forest migration Part8 migration user account

    Before using ADMT, enable the "account" policy in the group policy to operate on both the source domain and the target domain. The following is necessary to open the official migration user selection the first "user account Migration Wizard" to fill in the domain name selection "Select users from the domain" controlled by the source domain and the target domain. This operation is a demonstration, and you can select the second option when you have more than one.

    Shulou · 2022-06-03 00:43
  • DELL server installs Server 2008 R2

    DELL server installs Server 2008 R2

    Due to the need to reinstall the DELL R710 machine to the system, but there is no optical drive, so it can only be installed using a U disk. Preparation work: 1, 4G or above USB disk 2, download Server 2008 system (https://msdn.itell)

    Shulou · 2022-06-03 00:42
  • Steps for xshell to connect to linux

    Steps for xshell to connect to linux

    This article will explain in detail the steps of connecting xshell to linux for you. 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. Xshell is a powerful security terminal emulation software that supports SSH1

    Shulou · 2022-06-03 00:42
  • Problems encountered in porting Beego+go-sqlite3 Arm platform

    Problems encountered in porting Beego+go-sqlite3 Arm platform

    Use Beego+go-sqlite3 for simple blog development under windows, but after compilation, insert it into the Arm platform to run an exception: compile parameter setting: SET GOARCH=armSET GOOS=linuxSET GOARM

    Shulou · 2022-06-03 00:42
  • Download, install and basic usage tutorial for putty

    Download, install and basic usage tutorial for putty

    PuTTY is an open source (Open Source Software) connection software, mainly maintained by Simon Tatham, licensed under the MIT license. The components included are: PuTTY, PuTTYgen,PSFTP, PuT

    Shulou · 2022-06-03 00:42
  • The difference between

    The difference between "/" and "~" in Linux system

    This article will explain in detail the difference between "/" and "~" in the Linux system. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article. "/" is the root directory, "~" is the home directory. Linux storage is mounted

    Shulou · 2022-06-03 00:42
  • Environment configuration of OpenGL 4 under Windows7+VS2012

    Environment configuration of OpenGL 4 under Windows7+VS2012

    1) determine the OpenGL version supported by the system and the highest supported OpenGL and GLSL version download source of the GPU Caps Viewer check machine: http://www.geeks3d.com/20161107/gpu-caps-v

    Shulou · 2022-06-03 00:42
  • Tcp/ip and Subnet Classification

    Tcp/ip and Subnet Classification

    1. TCP/IP protocol 1 and TCP/IP communication protocol are the most complete and widely supported communication protocols at present. It allows computers with different network architectures and operating systems to communicate. It is the standard communication protocol 2 of Internet and the three elements of communication between hosts and hosts.

    Shulou · 2022-06-03 00:42
  • VLAN, VLAN, VLAN (this is the only criterion for testing truth)

    VLAN, VLAN, VLAN (this is the only criterion for testing truth)

    Today, I will work with all of you here to carry out the actual operation of vlan and find out the matters needing attention. First, pull out a switch and configure it: then add a two-layer veneer to it, and then configure it with a certain amount of disk space (disk space is used to store the broadcast domain divided by vlan and its

    Shulou · 2022-06-03 00:42
  • SCOM 2016 configuration alarm Mail (part two)

    SCOM 2016 configuration alarm Mail (part two)

    Following on, we introduced the configuration of email alert notifications for SCOM 2016 above, and we have successfully created subscribers. Next, let's talk about how to connect the subscriber to the notification channel, at which point we need to create a subscription. This time

    Shulou · 2022-06-03 00:41
  • The difference between union and union all, excluded by union

    The difference between union and union all, excluded by union

    SQL UNION and UNION ALL operators SQL Full JoinSQL Select IntoSQL UNION operators UNION operators are used to merge the result sets of two or more SELECT statements. Please

    Shulou · 2022-06-03 00:41
  • Renew exchange 2007 certificate with PS

    Renew exchange 2007 certificate with PS

    Update exchange 2007 certificate with PS first step: New-ExchangeCertificate-GenerateRequest-Path c:\ cert.txt-SubjectName "CN=

    Shulou · 2022-06-03 00:41