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Two methods of source change for Ubuntu 20.04.3 desktop version

Article background On different linux distribu...
17:09 11 November 2021

5K Star, an open source Python static type checking Library

Mypy is Python's static type checking library. You can add type annotations to Python programs and use mypy to check the...
21:24 28 October 2021

Chapter V VIM, the God of Linux text editing tools

1. VIM, the God of text editing tools ...
20:02 12 October 2021

P1540 [NOIP2010 improvement group] machine translation & & P1160 queue arrangement

Topic background Xiao Chen has installed a ma...
5:17 20 September 2021

Implementation of Prometheus alarm through Alertmanager

Prometheus does not support the alarm function, mainly through the plug-in alertmanager to achieve alarm. Alertmanager i...
22:35 28 June 2020

Redis series - bloon filter

When we use Redis as cache, one of the problems we need to consider is cache penetration. There are many types of cache ...
2:42 27 June 2020

[linux] learn operation and maintenance step by step - Basic chapter - file permission management

Write before: Blogger is a rebel who pursues freedom after 80's standard of devoting himself to education and training. ...
3:37 23 June 2020

ELK log analysis platform -- elastic search

1, elasticsearch practice Open source distributed search ...
6:22 21 June 2020

Simple Distributed Cluster Cluster Setup for HDFS

Simple Distributed Cluster Cluster Setup for HDFS Preface ...
21:56 20 June 2020

MFS -- detailed explanation and deployment of MFS

mfs explanation and deployment 1, MFS details Distributed principle: MFS principle: Composition of MFS file system MFS...
2:16 14 June 2020

k8s deployment elasticsearch cluster

Environmental preparation The k8s and ceph environments we use are as follows:https://blog.51cto.com/leejia/2495558https...
13:00 10 June 2020

Painless setting up hadoop cluster and running Wordcount program

catalog Pre preparation View local network information View network connection status Change network information Chang...
6:55 7 June 2020

Share sicsi by device

iSCSI technology is a kind of SCSI instruction set developed by IBM company, which can run on the upper layer of IP prot...
11:54 31 May 2020

Chronyd synchronization time (Server/Client) configuration

The chronyd time server, like the previous NTP function, provides time. ...
3:53 29 May 2020

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...
7:15 28 May 2020

Centos7 MySQL installation master-slave replication configuration

Installation Dependency yum search libaio # Retrieving related information yum install libaio # Install Dependent Packag...
12:13 27 May 2020

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. ...
11:20 26 May 2020

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...
21:10 11 May 2020

Mysql dual host hot standby and implementation of Mysql dual host and high availability with preserved

There are two ways of mysql hot standby: Hot standby of m...
5:17 11 May 2020

Install Oracle 11.2 silently under Centos7

Dependent packages (including 64 bit and 32-bit packages) ...
11:06 10 May 2020

Class dump installation method

Rootless, a new feature added in Mac system 10.11, limits the permission of root user (/ usr/bin, no change allowed). Ch...
9:51 5 May 2020

Linux sets the permanent and effective way of "the maximum number of files that can be opened by the process"

0. Before setting [root@localhost ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited sched...
8:45 4 May 2020

Configuring Apache(httpd) with php

The main Apache configuration file is: / usr/local/apache2/conf/httpd.conf ...
20:33 3 May 2020

One of the shell scripts: Introduction to shell scripts

1. Introduction to shell scripts (1) Script cases and introduction: #!/bin/bash LOG_DIR=/var/log ROOT_UID=0 if ["$UID -n...
14:02 27 April 2020

Linux Kernel Firewall Selinux

Status view and modification of selinux getenforce ###View Status setenforce 0|1 ###0:permissive warning mode 1:enforci...
13:06 21 April 2020

Linux server implements Redis cluster

1, About Redis Redis is a large-scale cache middleware, which is widely used because of its powerful, efficient and conv...
3:35 13 February 2020

Adore ng trojan in Rootkit

Rootkit is a kind of special malicious software. Its function is to hide the information of itself and specified files, ...
0:15 13 February 2020

Kubernetes StatefulSet for stateful service data persistence (automatic creation of PVC)

1. Kubernetes Stateless Service VS Stateful Service 1) Kubernetes Stateless Service Kubernetes stateless service charac...
12:35 12 February 2020

Stateful set (stateful service) implementation of k8s

Statefullset introduction Problems encountered: ...
7:21 12 February 2020