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chattr setting file properties Syntax options Chatr is used to modify the hidden permission attribute of the file system; For files and directories, in addition to setting normal and special permissions, you can also use some hidden attributes of files and directories. [root@zaishu ~]# Chatr [+ - =] [properties] file or directory name ...

1, What is docker Containers in docker: lxc --> libcontainer --> runC 2, OCI & OCF OCI Open Container-initiative Led by the Linux foundation, it was founded in June 2015It aims to develop an open industrial standard around container format and runtimecontains two specifications the Runtime Specification(runtime-spec)the ...

shell script deployment springboot (Revised) explain The shell deployment springboot was sorted out before website: https://blog.csdn.net/shaoming314/article/details/120145215 However, the shell script does not have the option to stop, view and restart the service. It is not very good. This revision supports the options of stopping, restart ...

This article is an original article of Joshua 317. Please note: reprinted from Joshua 317 blog https://www.joshua317.com/article/203 One Linux command a day (43): netstat command 1, Introduction The netstat command under Linux is used to display various network related information, such as network connection, routing table, interface statistic ...

1, Importance of data backup In a production environment, data security is critical Any loss of data can have serious consequences Causes of data loss Program error Human operation error Operation error disk failure Disasters (e.g. fire, earthquake) and theft 2, From a physical and logical point of view, backup can be divided into Physic ...

Build an instance based on memcache: web(php) host: 192.168.181.6 redis host: 192.168.181.5 mysql host: 192.168.181.4 First, close the firewall of the three hosts systemctl stop firewalld systemctl disable firewalld sed -i 's/enforcing/disabled/'/etc/selinux/config setenforce 0 Synchronization time yum -y install ntp ntpdate ntpdat ...

About Redis Redis (Remote Dictionary Service) is an in memory database, also known as KV database and data structure database. Redis is often used as data cache to cache hot data and reduce the pressure on the database. View the complete Redis command: Redis command center. Key value basic data structure Redis's external interface alw ...

0. Architecture diagram 1. Network and system settings 1.1 /etc/profile agent sudo vi /etc/profile Comment out the following agent configuration source /etc/profile 1.2 wget agent sudo vi /etc/wgetrc 1.3 clearing environment variables env | grep -i proxy unset HTTPS_PROXY unset HTTP_PROXY unset FTP_PROXY unset https_prox ...

catalogue 1, Linux file system 1. inode and block overview 1.1 block 1.2 inode (index node) 1.3 inode contains the meta information of the file 1.4 three main time attributes of Linux system files 1.5 when the user opens a file through the file name, the internal process of the system 1.6 method of viewing inode number   1.7 str ...

1. Introduction Elasticsearch introduces the Cross Cluster Search (CCS Cross Cluster Search) function in version 5.3 to replace the cube node to be discarded. Similar to triple node, Cross Cluster Search is used to realize cross cluster data search. Cross Cluster Search enables you to run a single search request against one or more remote clus ...