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  • Installation of nghttp2 reported an error error: Libtool library used but & # 39

    Installation of nghttp2 reported an error error: Libtool library used but & # 39

    Nghttp2 error error: Libtool library used but 'LIBTOOL' is undefined will still report an error if you reinstall libtool and autoconf and upgrade to 2.69

    Shulou · 2022-06-01 09:37
  • Considerations for dual active storage configuration across data centers from the perspective of ORACLE RAC

    Considerations for dual active storage configuration across data centers from the perspective of ORACLE RAC

    ORACLE RAC is not designed with dual activity across data centers. It is designed to achieve load balancing and high availability for multiple hosts with shared storage in a data center. But because its architecture does have the potential to achieve load balancing and high availability across data centers

    Shulou · 2022-06-01 09:37
  • Find the maximum and minimum values in $a, $b, $c

    Find the maximum and minimum values in $a, $b, $c

    Method one

    Shulou · 2022-06-01 09:37
  • Enterprise backup scheme

    Enterprise backup scheme

    Although small companies are less likely to face the "backup window" and recovery time goals faced by large companies. But it is limited by the manpower and budget of IT! Maintaining simple and economical data protection is critical for smaller companies. If I ask you what's the difference between a big company and a small company, maybe you'll give it to me.

    Shulou · 2022-06-01 09:37
  • [network knowledge points] basic network architecture

    [network knowledge points] basic network architecture

    Recently, they have been sorting out the relevant knowledge of the system, and the knowledge of the network has not yet begun to be sorted out, but the classification of the network is a little empty. Today, let's share the basic knowledge of the network-- the basic architecture of the network is the most basic knowledge point. For this basic architecture, the name may be different, but roughly.

    Shulou · 2022-06-01 09:37
  • Nmap scan private network hosts

    Nmap scan private network hosts

    Whether it is the private network test, the public network test or the web test, the first step is to step on the spot, that is, scanning (of course, if there is also a social worker at the high endpoint). The scanning tool is nmap, which has been used all over the network. The purpose of the scan

    Shulou · 2022-06-01 09:37
  • A brief Analysis of Controller configuration in combination with actual combat

    A brief Analysis of Controller configuration in combination with actual combat

    1. Xwork.xml master file xwork.xml is the configuration file of WebWork itself, and it is the backbone of the configuration file in actual development. Xwork defines a default package that contains xwo through include

    Shulou · 2022-06-01 09:37
  • Zabbix agent automatic Registration function to realize batch Monitoring of hosts

    Zabbix agent automatic Registration function to realize batch Monitoring of hosts

    Zabbix agent automatic registration function to achieve host batch monitoring Zabbix auto registration function is very powerful, when each new agent, only need to add a trigger in the server, modify a few parameters in the agent,

    Shulou · 2022-06-01 09:37
  • Perl system file monitoring script

    Perl system file monitoring script

    Script description: this script can monitor the specified important files of the system. When the files are viewed or modified, the script will check the users and IP who have recently logged in to the system, and email notifications. #! / usr/bin/perluse strict;use Mail

    Shulou · 2022-06-01 09:37
  • How to download ssl certificate and how to use it after downloading?

    How to download ssl certificate and how to use it after downloading?

    How to download ssl certificate and how to use it after downloading? Many people do not understand, today the editor in order to let you know more about the ssl certificate, so give you a summary of the following content, let's look down together. When we download the ssl certificate, we don't know how to use it, which is a very bad thing.

    Shulou · 2022-06-01 09:37
  • TCP three-way handshake, confused window, sticky bag problem

    TCP three-way handshake, confused window, sticky bag problem

    This is a summary in the study. If there are any mistakes, please do not hesitate to correct (^. ^) the three-way handshake about TCP/IP: when the status of the server is LISTEN and the status of the client is CLOSED, the client initiates the connection and the client sends a SYN field message with the status of SYN_.

    Shulou · 2022-06-01 09:36
  • Visit the IDC computer room in Senhua Yiteng

    Visit the IDC computer room in Senhua Yiteng

    All the members of the operation and maintenance class of our old boy training institution visited the IDC computer room in Senhua Yiteng, which gave us a preliminary and three-dimensional understanding of the computer room. First of all, we would like to thank Senhua Yiteng's two brothers for their company and explanation, and secondly, we would like to thank the old boy training for giving us this opportunity to visit. The following are relevant

    Shulou · 2022-06-01 09:36
  • A complete Collection of Linux commands

    A complete Collection of Linux commands

    1. File management cat chattr chgrp chmodchown cksum cmp diffdiffstat file find gitgitview indent cut lnless loca

    Shulou · 2022-06-01 09:36
  • Development trend of Security Management Software Technology

    Development trend of Security Management Software Technology

    The development trend of security management software technology in the network era, enterprises gradually deepen their dependence on digital information, the value and importance of IT resources to business will change rapidly with the growth of enterprises, the information age will bring great changes to social production and life style, and the problem of network security is becoming more and more serious. Face

    Shulou · 2022-06-01 09:36
  • The method of reading file contents by line by shell script

    The method of reading file contents by line by shell script

    Method 1:exec < filesum=0while read line;docmddone method 2:cat ${FILE_PATH} | while read linedocmddone method 3:while

    Shulou · 2022-06-01 09:36
  • F5 patch repair and several commands

    F5 patch repair and several commands

    Patch update: SSH copies the patch under shared/p_w_picpaths switchboot-l to see that the partition is currently on top of the HD1.1 partition, patch the 1.3system in cd/shared/p_w_picpaths

    Shulou · 2022-06-01 09:36
  • How does HTTPS work? What's the use?

    How does HTTPS work? What's the use?

    What the editor shares with you today is what is the working principle of HTTPS? What is the role, many people do not understand, today, in order to let you know more about HTTPS, so give you a summary of the following content, let's look down together. I'm sure you'll get something. When it comes to HTTPS, I believe it is very big.

    Shulou · 2022-06-01 09:36
  • User check code IpAddr

    User check code IpAddr

    [UserChkCodeIpAddrBegin] 123.206.98.63 [UserChkCodeIpAddrEnd] attachment: http://down.51cto.com/data/2367661

    Shulou · 2022-06-01 09:36
  • Using OpenVAS to quickly build a vulnerability assessment system

    Using OpenVAS to quickly build a vulnerability assessment system

    Since Nessus is no longer open source, many "homegrown" vulnerability scanners have not been updated. Many friends still prefer open source software, so today I will bring you a new, open source vulnerability assessment system: OpenVAS. I noticed OpenV years ago.

    Shulou · 2022-06-01 09:36
  • Typical applications of H3C IRF2

    Typical applications of H3C IRF2

    * * skills demonstration basic concepts and working principles of IRF2 IRF2 configuration method LACP MAD detection working principle LACP MAD configuration method * * IRF 2.0 Overview IRF (Intelligent Elastic Architecture) is a hardware virtualization technology independently developed by H3C, its core

    Shulou · 2022-06-01 09:35