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Preface: inode (file node) and block (data block) Hard and Soft Links Recovery of mistakenly deleted files (i.e. rm-rf operations, backup operations can be performed first, then ext4 and xfs file systems can be restored) Classification of log files User and program logs One: An overview of inode and block 1.1 Overview File data includes met ...

Preface About Jenkins jenkins is just a platform, and the real operation is plug-ins. This is the reason why jenkins is popular, because any plug-in of jenkins has hudson, the predecessor of jenkins, which is a continuous integration tool developed based on Java and used to monitor the repeated work of programs. hudson was later acquired as a ...

Bowen catalogueI. YUM software warehouseII. Type of YUM sourceIII. precautions for configuration of PXE automatic bulk chemical installation machineIV. deploy PXE remote installation service I. YUM software warehouse With the help of YUM software warehouse, the tasks of installing, uninstalling and upgrading rpm software packages can be comp ...

Nginx adds echo module to print logs according to request rules in nginx Tip: all operations are completed under the root user. Premise: Nginx is already installed. If not, please install nginx first, yum install nginx -y Dependencies required to install compiled modules yum install gcc -y yum install pcre-devel openssl-devel -y Installi ...

After installing RedHat 6.5, log in to the system and update the system using yum update. Tips: This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Unable to update. The default Yum source of redhat needs to be registered before it can be updated. We want to update ...

Install mysql # Download and install mysql official Yum Repository wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm yum -y install mysql57-community-release-el7-10.noarch.rpm #Install mysql directly yum -y install mysql-community-server mysql start service mysqld start View mysql status service mysqld status ● my ...

Apache Web page optimization Apache Web page optimization overview In an enterprise, only the default configuration parameters are used after Apache deployment, which will cause many problems in the website. In other words, the default configuration is for the previous lower server configuration. The previous configuration is no longer applic ...

Linux system version: CentOS 7.4MySQL version: 5.7.28In Linux platform, there are RPM package, binary package and source package. This article mainly takes RPM package as an example to introduce how to install MySQL on Linux platform.Download address:https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.28-linux-glibc2.12-x86_64.tar.gz The spec ...

The yum source provided by RedHat can only be used after the current system has registered RHN. If there is no registration, when using yum, you will be prompted to register RHN If RHN is not registered, it means that we cannot use the yum source of RedHat. At this time, we can use the yum source of CentOS system. Here, take configuring Neteas ...

MySQL installation Download MySQL server from the official website (yum installation) wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm If wget is not available, download and install wget: yum -y install wget decompression rpm -ivh mysql-community-release-el7-5.noarch.rpm install yum install m ...