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Embedded introductory Learning Series notes index 1, Introduction to Linux 2, deb package management 3, Special characters in shell 4, Linux common commands 5, shell programming catalogue 1, shell and variables 1.shell script Basics 2.shell variables 2.1 user defined variables 2.2} position variables (command line parameters) 2.3 p ...

RH358 accessing block based networked storage – automated configuration of iSCSI initiator This section describes how to use Ansible to connect iSCSI storage and management. 1. Use Ansible to connect iSCSI Targets Use ansible open_ The iSCSI module discovers and logs in to the remote iSCSI target. This module relies on the iSC ...

The same server uses Docker to simulate the master-slave synchronization settings of Mysql settings. 1. Run two Mysql: Master Mysql (master library) and slave Mysql (slave Library), database version 5.7. #Pull image docker pull mysql:5.7 #y run master and slave containers docker run -p 13306:3306 --name slavemysql -e MYSQL_ROOT_PASSWORD=12345 ...

brief introduction Netstat command is used to display various network related information, such as network connection, routing table, interface statistics, masquerade connection, multicast members, etc. Meaning of output information After executing netstat, the output result is [vagrant@centos6 ~]$ netstat|more Active Internet connections (w/ ...

Reverse proxy and load balancing nginx is usually used as the reverse proxy of the back-end server, which can easily realize dynamic and static separation and load balancing, so as to greatly improve the processing capacity of the server. Nginx realizes dynamic and static separation. In fact, when reverse proxy is used, if it is static resour ...

Software management mechanism: The installation of software under Linux can be roughly divided into the following types: 1.Binary installation (simplest installation) 2.rpm Program installation (suffix:*.rpm) 3.yum Source installation (essentially rpm Install, it's just rpm It's just an installation method) 4.Source installation Binary inst ...

Chapter III list introduction What is the list A list consists of a series of elements arranged in a specific order. There is no relationship between multiple elements. A list usually contains multiple elements. Therefore, assign a name representing a plural number to the list (such as letters, digits, or names). In python, the list is repre ...

Thread overview Thread is a lightweight process (LWP). In Linux environment, the essence of thread is still a process. The program running on the computer is a combination of a group of instructions and instruction parameters. The instructions control the computer according to the established logic. The operating system will allocate syste ...

File network disk resources required for problem solving: Link: https://pan.baidu.com/s/1uMrhVmHlvEQ-sEGZtqhqiw Extraction code: kkab File list: libnsl-2.17.so libcrypto.so.1.0.2k libssl.so.1.0.2k libreadline.so.6.2 1. Environmental description    firewall: after it is turned on, various settings are required, which may cause ...

iptables firewall Function: prevent others from entering your own computer and attacking your own computer. You can't kill viruses Attack mode: dos ddos cc syn flooding et al SNMP protocol --- simple network manager protocol Simple network management protocol port 161 tcp/udp Software firewall The firewall function of linux system is ...