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  • The naming information cannot be found because the specified domain does not exist or the solution cannot be contacted

    The naming information cannot be found because the specified domain does not exist or the solution cannot be contacted

    Operation steps: 1. First upgrade the domain of the existing WindowsServe2003, the domain functional level to 2003, and the forest functional level to 20032. Extended domain architecture to 2008R2 architecture 3. Add 2008R2 to the additional domain controller check result: 1. Subject control

    Shulou · 2022-06-02 22:10
  • Some tips for vim

    Some tips for vim

    The replacement mode and visual mode of the 1.vim editor enter the replacement mode by pressing r and R on the keyboard in general mode. If you press small r, then you will enter the replace mode, and the next character you enter will replace the character where your current cursor is located, and then automatically exit the replace mode. If you press

    Shulou · 2022-06-02 22:10
  • Sample mysqldump database backup

    Sample mysqldump database backup

    [root@localhost mdata] # cat mysqlcards backup.shallows cards, binapures, bashBACKUPables DIRs, mysqltel backupDATEbacks DIRs = `date +% F` [-

    Shulou · 2022-06-02 22:10
  • A complete Collection of commands in Local area Network

    A complete Collection of commands in Local area Network

    Net view can see all the machines in the local area network, and then you can see it in PING. This method may be stupid, but it is very useful. Lan dos command set net use\ ip\ ipc$ "" / user: "" create an empty IPC

    Shulou · 2022-06-02 22:10
  • Tomcat summary

    Tomcat summary

    Java is paired with tomcat. Tomcat is used to run java programs. At present, the latest version of Tomcat is 9.0Tomcat. The ability to handle static HTML is not as good as that of Nginx/Apache servers. Java containers also include resin and weblo

    Shulou · 2022-06-02 22:10
  • 02. Windows Server 2003 domain account management (03)

    02. Windows Server 2003 domain account management (03)

    03.a. Use csvde to export active Directory objects to b. Use csvde to import the account c. Use ldifde to export active Directory objects to d. Import an account with ldifde

    Shulou · 2022-06-02 22:09
  • TCPWrappers access Control in Centos

    TCPWrappers access Control in Centos

    Blog directory 1, TCP Wrappers overview 2, TCP Wrappers access policy 1, policy configuration format 2, basic principles of access control 3, TCP Wrappers configuration example 1, TCP Wrappers overview TCP Wra

    Shulou · 2022-06-02 22:09
  • Dell NX3200 NAS is unable to enter the system and stays in the raid card configuration interface.

    Dell NX3200 NAS is unable to enter the system and stays in the raid card configuration interface.

    A Dell NX3200 NAS storage (Dell R720), can not enter the system, stay in the raid card configuration interface can not be detected, press F10 F2 F12 F11 will enter the raid configuration failure prompt: There are

    Shulou · 2022-06-02 22:09
  • Troubleshoot chronyc sources time synchronization in CentOS 7

    Troubleshoot chronyc sources time synchronization in CentOS 7

    Chronyc sources results show ^? Controller. This means that the time synchronization server is unreachable. The error is successfully eliminated by the following steps, for reference in the control node 1. Check the time synchronization server of the controller node server

    Shulou · 2022-06-02 22:09
  • Using vertx to build a super large and highly available system with millions of concurrent requests

    Using vertx to build a super large and highly available system with millions of concurrent requests

    Requirements: millions of concurrent connections, highly available technology selection: centos7,jdk8,vertx3.7.0,mysql8 test time: may 20, 2019 again successfully implemented the architecture of millions of concurrent connection access. Due to the limitation of business confidentiality system

    Shulou · 2022-06-02 22:09
  • Zabbix uses jmx to monitor multiple tomcat

    Zabbix uses jmx to monitor multiple tomcat

    Zabbix comes with part of the monitoring of JMX. If you want to use this template to monitor tomcat more easily, you can consider using this template. Unlike other applications that use zabbix-agent, zabbix-jav is required to monitor JMX

    Shulou · 2022-06-02 22:09
  • Best practices for cloud architecture design based on AWS-long text: cloud architecture design principles | attached PDF download

    Best practices for cloud architecture design based on AWS-long text: cloud architecture design principles | attached PDF download

    AWS has a wide range of users and a complex product line. AWS's white paper "Architecting for the Cloud-AWS Best Practices" introduces best practices for cloud architecture in common scenarios, not only for those using AWS

    Shulou · 2022-06-02 22:09
  • A comprehensive example of path search (13)

    A comprehensive example of path search (13)

    We learned about path search in makefile earlier, so let's practice it today. Requirement analysis: 1. There is no need for the source folder to be changed at compile time (read-only folder); 2. A folder (build) is automatically created at compile time to store the compilation results.

    Shulou · 2022-06-02 22:09
  • Note STP

    Note STP

    STP- definition-role-type 1, 802.1d-STP: spanning Tree Protocol PVST/PVST+ (Cisco) 2, 802.1w-RSTP: rapid spanning Tree Protocol PV-RSTP (Cisco) 3, 802.1s-MSTP

    Shulou · 2022-06-02 22:08
  • The Origin and principle of switch

    The Origin and principle of switch

    The origin of the switch starts with Ethernet: Ethernet / LAN (local area network): problems: limited signal transmission distance; solution: repeater-amplifying electrical signals to extend the transmission distance of information; problems caused by repeaters: only 2 ports

    Shulou · 2022-06-02 22:08
  • How to create a relay agent for DHCP

    How to create a relay agent for DHCP

    How to create the DHCP relay agent tag: Zhang Zhaosen DHCP's advantages: 1, reduce the workload of the administrator 2, avoid the possibility of IP conflicts and configuration errors 3, improve the utilization of the IP address experimental steps: (1) the default gateway on the DHCP server points to the IP of the relay agent

    Shulou · 2022-06-02 22:08
  • The function required by the remote Desktop connection server authentication error is not supported

    The function required by the remote Desktop connection server authentication error is not supported

    Problem description: an authentication error occurs when the remote Desktop connects to the server. The required function is not supported and some clients connect to the server without this problem, which is the solution to the problem of this client connection: first, modify the remote desktop client to start running-> g

    Shulou · 2022-06-02 22:08
  • Methods to deal with common minor problems in Server system

    Methods to deal with common minor problems in Server system

    1: close IE Enhancement and open any web page on the Server system will pop up the message of adding a trust site. Although it does not affect anything, it is really annoying. How to solve it? turn off IE Enhancement. 2: accidentally uninstall dotNet4.5 and bound GUI or security.

    Shulou · 2022-06-02 22:08
  • Extended regularity of regular expressions

    Extended regularity of regular expressions

    Extension regular, which means that the expression contains: +? | | {} and other symbols cannot be used directly in grep. You need to add\ topology. If you do not want to add\ topology, you can use egrep or grep-E to extend the regular: sed-r, and "

    Shulou · 2022-06-02 22:08
  • The solution to the high occupation of CPU by SECOH-QAD.exe

    The solution to the high occupation of CPU by SECOH-QAD.exe

    Some zombie files. Delete the entire registry HKEY_LOCAL_MACHINE\ SOFTWARE\ MICROSOFT\ WINDOWS NT\ CURRENTVERSION\ IMAGE FILE EXECUTION

    Shulou · 2022-06-02 22:07