CentOS 7 uses Ngrok to build intranet penetration service
CentOS 7 uses Ngrok to build intranet penetration service Dependent installation Install go locale sudo yum install...
saltstack - Automated Operations and Maintenance Layout Tool
brief introduction
Salt is an underlying plat...
50 Linux Basic Operations Commands Must Be Mastered
Explain:
Based on the author's usage in peacetime and som...
Docker and docker compose deployment
1. Docker deployment 1.1 mode 1: Download software source wget -O /etc/yum.repos.d/docker-ce.repo https://mirrors.ustc.e...
Experience the actual battle of iptables enterprise firewall
iptables optimization case
[root@ghzz ~]# vi /root/shell/...
COW (Copy On Write) in GCC
Article directory What is COW? Copy Elision Realization Possible implementation The implementation of libstdc + + What's the problem? What is th...
Python Learning Notes Day02
Article Directory variable Declare Variables Variable Naming Specification data type Six Types Number Type===Number Type Int Type===Integer Mode 1: D...
Mysql multi instance configuration
Multi instance configuration of MySQL In a physical machine, multiple test environments are needed, so multiple instances of building database are nee...
centos7 installation process and host configuration
This article records the whole process of CentOS 7 64 bit installation on the virtual machine, which I downloaded for my future installation and use ...
Quick start to kubernetes series tutorial
Write before Kubernetes involves a lot of concepts, including all kinds of technologies in the cloud eco-community. The cost of learning is relativel...
Teach Application Module 3 of Fishing-Operations and Maintenance Platform (Vmware Customization Specification Paper)
###A K8S-like orchestration function enables Vmware to be automatically scaled up and resilient (by triggering resilient expansion through monitoring...
Dockerfile theory + practice!!!
Dockerfile overview Dockerfile is the description file of the image file in docker. The straight white point is exactly what the image file is compos...
Manage hierarchical data using MySql
Summary We know that relational database tables are better suited for flat lists than for hierarchical data with parent-child relationships that can b...
ASH production practice I of Oracle10G
ASH practice 1 of Oracle10G ASH is a new feature of Oracle 10g, which is very valuable for DBA. It is based on V $sssion and samples once a second, R...
Practice of fdisk and parted partition under centos
Requirement: add a 100M hard disk and permanently mount it to / data01, write out the detailed operation steps Method 1: [root@localhost ~]# fdisk -l...
3 Python file operation
Python file operations open The file can be opened in whatever encoding mode the file is stored in f = open('d:\Model housewife nurse head teach...
Full text collection of vimrc file configuration (most complete in history, with Chinese explanation)
I. differences between vi and vimVI is similar to the notepad of windows, which is more suitable for editing ordinary text, but it is not suitable fo...
Blocking test of go channel
go version go version go1.11.2 linux/amd64 Unbuffered channel Test example package main import "fmt" func main(){ naturals:=make(chan int,0)...
[operating system job lab1] linux shell script traverses the target folder and all files, including the processing of special character file names
Requirement: write a linux bash script to view all file s and directories in the target folder, and print out their absolute path. Run command:. / myD...
CentOS 7.5 deploy the latest stable version of jenkins and configure ldap authentication
Reference document https://wiki.jenkins.io/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions https://wiki.jenkins.io/display/JENKINS/LDAP+P...
Complete set of installation documents and small skills of Docker related environment
The following environments are Ubuntu 16.04, which mainly install docker, docker compose, docker warehouse, etc. Docker installation Reference resourc...
fdisk and parted partition
There are two types of linux partitions I contact: one is using fdisk partition, and the other is parted partition. The former is for MBR mode partiti...
mac[linux] uses lsyncd to synchronize multiple files of two machines in real time
What is Lsyncd? Lsyncd is a lightweight real-time file backup solution, which is very easy to install and use. It can be used to synchronize files bet...
shell training camp Day29
Exercise 86In CentOS 6 system, we can use ntsysv to shut down the services that do not need to be started, of course, we can also use chkconfig tool ...
tcp Congestion Analysis VI (HSTCP)
This paper analyzes the hstcp congestion algorithm of linux-4.19.12 The hstcp relative reno algorithm changes the window Growth Logic in congestion a...
[uvvccamera / novice] Android Studio Compiling & stepping on the pit
In the front Android Studio version: 3.2 Operating system (AS): Windows10 Android version: 5.0.2 Camera: USB camera (640 * 480 spicy chicken) Open so...
Character set scrambling in mysql
#View the character set of mysql database mysql> show variables like "%character%"; +--------------------------+------------------------...
Linux -- directory basic operation
cp copy files or directories Usage: cp [OPTION] SOURCE source file DIRECTORY target file. For details, see man cp Take common parameters for example [...
Causes and consequences of inode occupation
0. Problem description phenomenon After receiving the pin alarm, online Solr server / var partition inode is full. Influence /The var partition can no...