37th issue - interruption of ARM Linux kernel
Author: Luo Yuzhe, intelligent software research center, Institute of software, Chinese Academy of Sciences
...
[Linux] haproxy quickly builds simple load balancing
Install haproxy yum install haproxy haproxy profile configuration Here I attach a written configuration file, and I will explain the points that need...
Three methods of generating high strength passwords
Now information disclosure is more and more serious, and a strong password is the first step to prevent the disclosure o...
Continuous integration and deployment based on Jenkins and Gitlab
CI/CD Continuous Integration (CI) is a kind of software development practice. In Continuous Integration, developers inte...
The modified character set code of MySQL 5.6 under Linux is UTF8 (to solve the problem of Chinese code scrambling, it can be used for personal test!)
The modified character set code of MySQL 5.6 under Linux is UTF8 (to solve the problem of Chinese scrambling) 1, Log in ...
Docker Builds Harbor Public Warehouse
Bowen catalog
Differences between Registry and Harbor Adv...
Chronyd synchronization time (Server/Client) configuration
The chronyd time server, like the previous NTP function, provides time.
...
Elastic search uses snapshot data migration and disaster recovery
In the face of multi cluster enterprise level complex architecture, it is very important to prepare a set of backup clus...
corosync v1 + pacemaker high availability cluster deployment resource configuration (VIP+httpd+NFS)
Experimental purpose: to deploy httpd high availability service (+ NFS) using corosync v1 + pacemaker.
...
On the difference between SCPClient class of ganymed-ssh2 version 262 and build210
ganymed-ssh2 is a tool library that uses SSH to connect to the server through java. The previous two versions of pom fil...
Deep understanding of system calls
Experiment content:
Find a system call whose system call...
HeartBeat (NFS file mount for Web service hot standby)
The two hosts are backup to each other, and the Web service displays the resources on the NFS file system.
...
Deployment learning of Nginx + Docker multi-stage construction
A website was deployed a few days ago. It turns out that I have been uploading files through ftp after publishing. Sever...
RT-Thread Chain List Heap Manager for a Series of Practical Algorithms
The previous section describes the basic concept of stack. This article will talk about how stack works.RT-Thread is so ...
Quick Start for kubernetes - Getting Started with kubernetes to Practice [Getting Started + Advanced]
1. Basic concepts
1.1 Clusters an...
fio storage performance manometry
1. Environmental Instructions: This demo is a dellr620 physical server with centos7.6 x86_64-bitThe hardware-related inf...
Docker network of container technology
In the previous blog, we mainly talked about the description of docker image and how to make image based on existing ima...
A Node online service migration
The original Node service needs to be migrated to a new host, so a new environment and corresponding migration scheme ne...
Ceph distributed storage dual active service configuration
Ceph is born with the concept of two places and three centers. The so-called double activity is two multi-site. Ceph two...
OLAP query engine, ClickHouse cluster management
1, Introduction to column Library
ClickHouse ...
CentOS7/Red Hat7 NTP service fails to start automatically
Original address: http://blog.csdn.net/babyfish13/article/details/52502522 CentOS 7 is different from the previous linu...
k8s+jenkins for Automated Deployment and application to k8s cluster
1. The jenkins environment prepares and starts the jenkins service 1) jdk environment configuration [root@centos7 ~]# ll...
12:pnp4nagios Custom Template Drawing for Nagios Monitoring
The article is summarized from the instructions on the official website: http://docs.pnp4nagios.org/pnp-0.6/tpl In daily...
Build / dev/kmem to enumerate all Linux kernel modules (including hidden ones)
Can Linux system have lsmod to enumerate all kernel modules? Isn't procfs fragrant? Why bother enumerating from / dev/km...
Docker data management and network communication, port mapping
Bibliography:
1. Data management of docker 1. Data Volume...
Detailed explanation of basic data types of python Foundation
Basic data type
1, Number (number...
fudge parameter not found in centos linux ntp.conf configuration
Recently, the server was forced to shut down once and suddenly wanted to get the time synchronization service all togeth...