Linux (CentOS7) uses RPM to install mysql 8.0.11

1, Installation preparation 1. View Linux related information (Linux command line operation) (1) Check the Linux version to download the corresponding mysql. [See Linux Message: uname -a     (2) check whether mysql has been installed. [check whether mysql is installed] rpm -qa | grep -i mysql, if installed, will output the relevant ...

Posted on Thu, 26 Mar 2020 08:57:43 -0400 by planetsim

pv/pvc storage of kubernetes

Labels (space separated): kubernetes series 1: PV/PVC storage of kubernetes 1: PV/PVC storage of kubernetes 1.1 pv PersistentVolume (PV) Is the storage set up by the administrator as part of the cluster. Just as a node is a resource in a cluster, PV is also a resource in a cluster. PV is Volume plug-ins, such as volume, but have a l ...

Posted on Wed, 25 Mar 2020 23:41:07 -0400 by Nabster

In the middle of the night, I used python to crawl the whole doutu website, but I didn't agree to fight

QQ, wechat doodles are always difficult to fight. It's easy to climb doodles directly. I have a map of the whole website. If I don't accept it, I will fight. There's not much nonsense. The selected website is a map. Let's take a brief look at the structure of the website document info From the above picture, we can see that there are multiple ...

Posted on Wed, 25 Mar 2020 10:22:31 -0400 by activeradio

njmon: the next generation tool of nmon

This article refers to the original- http://bjbsair.com/2020-03-22/tech-info/2813/ njmon njmon = nmon + JSON format + real-time push to a stats database + instant graphing of "all the stats you can eat" (AIX and Linux) This njmon is a major overhaul of nmon for the next 10 years: Load more stats JSON format is self documenting, flexible a ...

Posted on Tue, 24 Mar 2020 11:59:30 -0400 by Alex007152

KubeSphere troubleshooting practice

Pick up another article. KubeSphere practical elimination Recently, some usage problems have been recorded in the use of kubesphere, hoping to be helpful to others Eight kubesphere application upload problems 8.1 file upload 413 The application is deployed into the kubesphere. The function of uploading files is set in the application. When t ...

Posted on Tue, 24 Mar 2020 06:12:27 -0400 by Kalland

Enable or disable SSH for a specific user or user group

What is SSH? The full name of openssh is OpenBSD Secure Shell. Secure Shell (SSH) is a free and open-source network tool, which enables us to access remote hosts in an insecure network by using Secure Shell (SSH) protocol. It adopts client server architecture (C/S), which has the functions of user identity authentication, encryption, file tra ...

Posted on Tue, 24 Mar 2020 03:22:07 -0400 by sxiix

volume configuration of kubernetes

Labels (space separated): kubernetes series 1: volume configuration of kuberentes 1: volume configuration of kuberentes 1.1 background Explain: The life cycle of files on the container disk is short, which causes some problems when running important applications in the container. First, when the container crashes kubelet will restar ...

Posted on Tue, 24 Mar 2020 00:38:58 -0400 by Niruth

zookeeper failed to start because the database could not be read

Recently, our cluster is in an abnormal state. It was found that it failed all the time when starting zk. After reading the log, it was really sad. If it was in black, it was reported in minutes. At first, I didn't really want to understand why it was so difficult to start zk, and it failed stably in about 5s. After a while, it can be judged t ...

Posted on Mon, 23 Mar 2020 22:27:12 -0400 by brianlange

Creating and discovering hidden processes based on centos 7 Linux

1, Hide process 1. The tools used in this paper are https://github.com/gianlucaborello/libprocesshider Can be downloaded 2. The idea is to realize the hijacking of system functions by using LD ˊ preload Ld_preload, an environment variable, is used to load dynamic libraries. The priority of dynamic library loading is the highest. Generally, t ...

Posted on Mon, 23 Mar 2020 10:13:26 -0400 by dickey

Solve the time-out problem of "ERROR: Timeout after 10 minutes" when git on Jenkins

Environment: using jenkins to pull github code through pipeline When a new Job is created on Jenkins recently, the Pipeline pipeline method is used to automatically publish project error reports as follows: ERROR: Timeout after 10 minutes" ERROR: Error fetching remote repo 'origin' Started by user liucx Building in workspace /opt/jenkins/works ...

Posted on Mon, 23 Mar 2020 10:07:07 -0400 by Fife Club