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  • Prometheus AlertManager Wechat alarm configuration

    Prometheus AlertManager Wechat alarm configuration

    Preparation work: obtain the external interface of the enterprise × × secret_api enterprise information ID corp_idwechat_api_url: wechat external interface https://qyapi.weixin.qq.com

    Shulou · 2022-06-02 17:35
  • Centos7 builds virtual user ftp service

    Centos7 builds virtual user ftp service

    1. Create a virtual account file, odd behavior user name, even behavior password 2. Convert the user name and password file of the storage virtual account to the database, and the database file is vuser.db3. Configure pam to verify and load the account name password database 4. Create a system account to specify the ftp root location

    Shulou · 2022-06-02 17:35
  • PfSense creates a simple bridging network

    PfSense creates a simple bridging network

    In pfsense, two or more network ports can be bridged into a network by setting to achieve functions similar to ordinary switches to meet the special needs of users. This textbook is demonstrated based on the pfsense2.4 beta version, and other versions can be referenced. 1. Basic network topology

    Shulou · 2022-06-02 17:35
  • Exchange 2016 restricts access to domain names or network segments of OWA through IIS

    Exchange 2016 restricts access to domain names or network segments of OWA through IIS

    On the Exchange 2016 Mailbox server, add the IIS IP and Domain restrictions feature. After the addition is completed, you can see that there is an additional "IP address and domain restriction" in the IIS option of OWA, as shown in the figure. Then we put the IP address segments or domains that need to be restricted or allowed

    Shulou · 2022-06-02 17:35
  • Oracle can not start listening, connection is very slow solution

    Oracle can not start listening, connection is very slow solution

    Oracle business system can not connect, check the network, check interception, no problem, tnsping is no problem, but can not connect, do not think about it. Look at the alert log, the following error report, Fatal NI connect error 12537, c

    Shulou · 2022-06-02 17:35
  • How to set up DHCP server and obtain IP address and related operations automatically

    How to set up DHCP server and obtain IP address and related operations automatically

    DHCP service related theoretical knowledge DHCP service is divided into the following three points, IP address (example: 192.168.1.0) subnet mask (example: 255.255.255.0) benefits of gateway DHCP service: reduce the workload of administrators to avoid typing errors may avoid IP rush

    Shulou · 2022-06-02 17:34
  • Windows 10 fall Creator update official version open for download

    Windows 10 fall Creator update official version open for download

    The official version of Windows 10 fall Creator update was officially available for download on 2017-10-18, the development code is Redstone 3 (abbreviated as RS3), and the system version is Version 1709 Magi OS internal version 16299.15. one

    Shulou · 2022-06-02 17:34
  • Windows Server 2008 R2 file server upgrade to

    Windows Server 2008 R2 file server upgrade to

    Windows Server 2008 R2 File Server upgrade to Windows Server 2016 user Unit has 2 Windows Server 2008 R2 File servers that have been joined to the domain. There are two more domain servers

    Shulou · 2022-06-02 17:34
  • PowerShell recursive query group members

    PowerShell recursive query group members

    Douzi encountered a small problem today when he found that there was no email configured in the member group of an Office365 mail group, which led to individual users not receiving email. To prevent this from happening again, all mail groups need to be checked. The problem is that the mail group may have multiple nested

    Shulou · 2022-06-02 17:34
  • Command tab completion in python interactive mode

    Command tab completion in python interactive mode

    Python can complete the command line with tab by default. In interactive mode, you only need to write a small tab.py module. The implementation code is as follows: #! / bin/env python #-*-coding: utf-8-*-# p

    Shulou · 2022-06-02 17:34
  • File directory command, a novice at the beginning of linux foundation

    File directory command, a novice at the beginning of linux foundation

    This article focuses on directory-related basic commands, all of which are demonstrated using screenshots of redhat server 8.0 and centos 7. Let's talk about a few concepts and basic commands before we talk about orders. 1. After logging in to the system and booting, the system looks like this, and then press

    Shulou · 2022-06-02 17:34
  • DCDiag error after upgrading to DFS-R

    DCDiag error after upgrading to DFS-R

    After switching a domain to use DFS-R rather than FRS for SYSVOL replication you may experience the

    Shulou · 2022-06-02 17:34
  • Handling failures with insufficient disk space and adding swap to the system (continue to share practical experience)

    Handling failures with insufficient disk space and adding swap to the system (continue to share practical experience)

    1. Learn how to use the du command du. The disk block is full. Use this command to find out the difference among which files or directories take up a lot of space: du du-Hmuri-the way that humans can read the du-sh display directory 2. The combination of du and sort makes

    Shulou · 2022-06-02 17:34
  • Achieve port trunking

    Achieve port trunking

    H3C port trunking two H3C S5120 configuration process SW_A configuration process sysvlan 10port g1/0/4quitvlan 20port g1/0/5quitinterface Bridge-Ag in this experiment

    Shulou · 2022-06-02 17:33
  • Each operating system is configured with NTP

    Each operating system is configured with NTP

    1. AIX server-side? Edit the / etc/ntp.conf file as follows:-- # broadcastclientserver 210.72.145.

    Shulou · 2022-06-02 17:33
  • 03 the client obtains the IP address

    03 the client obtains the IP address

    The client gets the IP address 1. Modify the network segment and change it to VMnet 22. Set the client's IP address to automatically obtain ip address mode 3. View the ip address information obtained by the client 4. Check the computer's lease 5. 5 on the DHCP server. Expansion

    Shulou · 2022-06-02 17:33
  • Thinkpad T480 Win7 installs INTEL HD620 graphics card driver

    Thinkpad T480 Win7 installs INTEL HD620 graphics card driver

    Problem description Thinkpad T480 installs the Win7 operating system, uses the driver wizard to install the driver, and the video card driver cannot be installed properly. Solution: go to Intel official website to download the graphics card driver: file: win64_154519.4678.zipht

    Shulou · 2022-06-02 17:33
  • The 21:00 showdown between Python:CPU and the man

    The 21:00 showdown between Python:CPU and the man

    # coding:utf-8# _ _ author__: immortal examination # _ _ author time__: 2017/8/8import randomprint "requirements: 1. Initial CPU and people follow each other.

    Shulou · 2022-06-02 17:33
  • Nginx limits the number of visits and concurrency

    Nginx limits the number of visits and concurrency

    Nginx limit access rate and maximum number of concurrent connections module-limit (prevent DDOS) http:##zone=one or allips means to set a storage named "one" or "allips" with a size of 10 megabytes # # rate=

    Shulou · 2022-06-02 17:32
  • Centos7.6 installs docker using binary

    Centos7.6 installs docker using binary

    Create a Docker secondary file storage directory mkdir / opt/kube/bin/-pv# lltotal 155108-rwxr-xr-x 1 root root 37598450 Sep 19 11:1

    Shulou · 2022-06-02 17:32