Operations and Maintenance Scheduling Scenario Series - Daily statistics of the number of multiple running states for multiple regions and multiple instances

Application scenarios When an account has one or more Regions, and each Region has multiple instances. You need to customize the specified time to view the running status of all instances under all Regions or all instances of a specified part of Regions, count the number of instances, and notify the designated user of the output report in the ...

Posted on Thu, 15 Aug 2019 23:40:27 -0700 by patsman77

Disk Management

Disk management 1. df command Unit introduction: Examples of df main parameters: 2. du command Examples of main parameters of du: 3. Disk partition fdisk command Examples of the main parameters of fdisk: 4. Disk formatting mke2fs command Examples of mke2fs main parameters: mkfs command Examples ...

Posted on Thu, 18 Jul 2019 22:27:42 -0700 by langemarkdesign

Varnish reverse proxy

Varnish reverse proxy Dead work 1. Configure reverse proxy 2. View cache hits 3. Define back-end servers for different sites 4. Load balancing configuration: 5.varnish cdn push platform Dead work Prepare a local machine as a test machine, three virtual machines: server1: 172.25.24.1 server2: 172.25.24.2 server3: 172.25.2 ...

Posted on Sun, 19 May 2019 00:58:08 -0700 by Cal

docker-compose learning: deploying ThinkPHP 5 website

Follow the previous one https://blog.csdn.net/u010953609/article/details/89337660 Once the LNMP is built, you need to actually deploy your own website. Here, you choose the full version of ThinkPHP 5 as a sample for testing. Now that the LNMP architecture is set up, the next step is to fill the "cement" WEB directory corresponding ...

Posted on Wed, 15 May 2019 00:25:29 -0700 by nexgen_x

Aliyun ECS Clearing Hidden Mining Procedure

Problem Description: An Aliyun server has received more than 95% continuous alarm CPU usage. But there is only one MySQL that is not frequently used in the business on this machine. There is no other MySQL. Normally, the CPU can't reach such a high level. Looking at the alarm information, we found that there was an implanted m ...

Posted on Tue, 14 May 2019 23:17:33 -0700 by Yamakazi

Linux Basic Command. 20181021.week1

Internal command help: View internal commands enable -n command Disabling an internal command enable -n View all disabled commands enable command Enable internal commands External command 1. Query command type and command path type command Check whether the command is internal or external which command View the command f ...

Posted on Wed, 08 May 2019 06:06:39 -0700 by msaspence

Two Kubernetes use the same Ceph store to achieve persistent data migration between Kubernetes

[TOC] Currently, the latest stable version of Kubernetes is 1.14.So far, there are no different schemes for persistent storage migration between Kubernetes.However, according to the Kubernetes pv/pvc binding process and principle, as long as the binding relationship of "Storage" --> "PV" --> "PVC" is the sa ...

Posted on Sat, 04 May 2019 10:00:37 -0700 by romeo

Views on argparse module

Looking at the official documents, the opening example shows that I am very confused, as follows import argparse parser = argparse.ArgumentParser(description='Process some integers.') parser.add_argument('integers', metavar='N', type=int, nargs='+', help='an integer for the accumulator') parser.add_argument('--sum', dest ...

Posted on Fri, 03 May 2019 19:00:38 -0700 by ajsuk

docker-compose learning: building LNMP through Dockerfile and build instructions

Pick up another article. docker-compose learning: A simple LNMP is constructed by specifying mirrors through image instructions https://blog.csdn.net/u010953609/article/details/89337660 docker-compose understands: Each service must specify mirrors or build instructions (requiring Docker files) through image instructions to automatically build t ...

Posted on Wed, 01 May 2019 00:40:36 -0700 by jodie

File Transfer in Linux

File transfer in linux scp command Function: File transfer (slower) scp file user@ip: /dir ##Transfer the current host file to the / dir directory of the ip xxx host scp user@ip: /file dir ##Transfer the host ip as xxx / file file to the current host dir directory rsync command Function: File transfer (fas ...

Posted on Mon, 08 Apr 2019 16:51:31 -0700 by AV