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  • Hyperledger Fabric registration and CA certificate issuance

    Hyperledger Fabric registration and CA certificate issuance

    Computer nodes and users who join the Fabric federation chain must register and obtain certificates issued by CA before they can operate in the federation chain. Certification authorities can provide the following functions: registration of identity or connection to LDAP (Lightweight Director

    Shulou · 2022-06-03 05:03
  • Summary of HDS F900 installation

    Summary of HDS F900 installation

    Summary of HDS F900 installation 1. Equipment preparation before installation: a) site and customer confirm equipment list information (F900 head * 1, HDI*1) b) confirm that the customer's computer room environment meets the installation requirements, including power supply, air conditioning temperature, humidity, and floor load bearing and floor opening.

    Shulou · 2022-06-03 05:03
  • Centos7 yum install LAMP

    Centos7 yum install LAMP

    Centos7 yum installation LAMP operating environment: the virtual machine must be able to access the Internet and can be tested using the ping command. Ping Baidu to see if it can be accessed. The successful result is as follows: yum install wget-y (wget is a slave from the network.

    Shulou · 2022-06-03 05:03
  • Several performance Best practices for AWS Redshift ETL

    Several performance Best practices for AWS Redshift ETL

    Amazon Redshift is a fast and scalable column storage database that supports SQL query. It supports PB-level quantity query and is suitable for enterprise-level data warehouse. At the same time, Redshift supports large-scale concurrent queries, result set caching, and response to queries.

    Shulou · 2022-06-03 05:03
  • Nginx source code installation

    Nginx source code installation

    2. Nginx init script https://www.nginx.com/resources/wiki/start/topics/examples/redhatnginxinit/ pay attention to modification

    Shulou · 2022-06-03 05:03
  • Rancher2.3 installs k8s cluster

    Rancher2.3 installs k8s cluster

    Directory 1, rancher introduction 2, installation requirements 2.1 operating system and Docker requirements 2.2 hardware requirements 2.3Rancher communication with the user cluster port requirements 3, single node installation 4, rancher web interface 4.1 login rancher is

    Shulou · 2022-06-03 05:03
  • 1.3.1bat script commands RENAME REN to rename the file

    1.3.1bat script commands RENAME REN to rename the file

    Clerk, network management skills: Windows command line bat/cmd batch script writing application file management application 1.3.1bat script command RENAMEREN rename file command: RENAMEREN = RENAMEREN [disk

    Shulou · 2022-06-03 05:03
  • Ultra-detailed configuration and parsing of varnish4.0 cache proxy

    Ultra-detailed configuration and parsing of varnish4.0 cache proxy

    Blogger QQ:819594300 blog address: http://zpf666.blog.51cto.com/ friends who have any questions can contact the blogger, the blogger will help you answer, thank you for your support! 1. Principle of varnish: 1) introduction to Varnish

    Shulou · 2022-06-03 05:02
  • NFS shared storage service

    NFS shared storage service

    NFS (Network File System), the network file system, is one of the file systems supported by FreeBSD, which allows computers in the network to share resources. In the application of NFS, the client application of the local NFS can transparently read and write to the

    Shulou · 2022-06-03 05:02
  • The solution to the problem of error report on server side after zabbix agent for windows installation

    The solution to the problem of error report on server side after zabbix agent for windows installation

    Error report: Get value from agent failed: ZBX_TCP_READ () failed: [104] Connection reset by peer solution: install on windows

    Shulou · 2022-06-03 05:02
  • Deployment of distributed framework development environment

    Deployment of distributed framework development environment

    1. Environmental preparation 1. Development tools: Eclipse IDE (a higher version is recommended) 2. JDK version: JDK1.73. Project management: Maven3.1.12. Installation step 1. Install jdk1.7 and configure environment variables (phase

    Shulou · 2022-06-03 05:02
  • [Linux] user groups, user actions

    [Linux] user groups, user actions

    ​ /: root directory ​ root: home of Super Admin (root) ​ home: home of other users (ordinary users) ​ etc: configuration file ​ usr: ​ lib: dependent library Linux user group and user overview

    Shulou · 2022-06-03 05:02
  • AD account is frequently locked-enable log audit policy

    AD account is frequently locked-enable log audit policy

    Problem description: the AD account is locked frequently, and the relevant locking logging process cannot be found in the system: verify that logging is turned on by: running cmd as an administrator on the AD server, entering the command, netdom query fsmo, and viewing PD

    Shulou · 2022-06-03 05:02
  • Why is it necessary to open https for the website?

    Why is it necessary to open https for the website?

    In the era of Internet HTTPS, it is urgent to open HTTPS! -in 2014, Google marked sites that did not enable HTTPS transport as untrusted! In 2015, Baidu, the largest search engine in China, took the lead in realizing HTTPS encryption! 2016 Taobao Tmall

    Shulou · 2022-06-03 05:02
  • PowerShell disables IEESC_UAC_Firewall

    PowerShell disables IEESC_UAC_Firewall

    I believe that the first thing most Windows administrators do when they get the deployment application of the operating system is to turn off the firewall, turn off the IE enhanced security settings, and so on, as for why they do so, because there are too many holes out of it, but it is easy to leave it out again and again, and it is troublesome to organize a special one.

    Shulou · 2022-06-03 05:02
  • Weak password detection and port scanning in Linux operating system

    Weak password detection and port scanning in Linux operating system

    Blog directory 1, weak password detection-John the Ripper1, download and install John the Ripper2, detect weak password account 3, use password dictionary file 2, network scan-NMAP1, install NMAP package 2, scan syntax and classes

    Shulou · 2022-06-03 05:02
  • About 2012 installation Exchange2013 failed to grant network service access containing fingerprint error due to an encryption exception thrown

    About 2012 installation Exchange2013 failed to grant network service access containing fingerprint error due to an encryption exception thrown

    Recently, the installation of Exchange2013 on 2012 has been in error, and the installation has not been completed, which has been bothering me for several days. Exchange2013 cu10 was installed at the beginning, but the management center could not log in after installation, and no solution was found on the Internet. Later, there was a download.

    Shulou · 2022-06-03 05:02
  • After upgrading the mac system, brew reported an error and reinstalled homebrew

    After upgrading the mac system, brew reported an error and reinstalled homebrew

    After upgrading the mac system, brew reported an error brew updateError: Running Homebrew as root is extremely dangerous and no longer suppo

    Shulou · 2022-06-03 05:02
  • K8s gets the corresponding available resources under apiversion

    K8s gets the corresponding available resources under apiversion

    Get the api command [Note: the url address of the following command http://127.0.0.1/ is the address of k8s master] the kubectl api-versions output is as follows: apps/v1beta1authenticat

    Shulou · 2022-06-03 05:02
  • Kubernetes binary installation and configuration (1.11.6)

    Kubernetes binary installation and configuration (1.11.6)

    An environment preparation 1 brief introduction 1 master node mainly consists of three major components: 1 apiserver provides a unique entry for resource operation, and provides mechanisms such as authentication, authorization, access control, API registration and discovery. 2 scheduler is responsible for resource scheduling.

    Shulou · 2022-06-03 05:02