Linux

1.1 QuestionsThis example requires a simple management operation that is familiar with the MARIADB database and accomplishes the following tasks:将 MariaDB 数据库的管理密码设为 1234567新建一个名为 newdb1 的数据库删除名为 test 的数据库授权数据库用户 zhsan 可从本机访问任何数据库，拥有所有权限，访问密码为 pwd123

2-4 Linux Partitions Partitioning: Dividing a large hard drive into small logical partitions Format: Write to File system Partition device file name: Defines the device file name for each partition Mount: Assign a mount point to

Multi-task multi-usersPer User:User ID, Password:Authentication (authentication mechanism):Authorization (Authorization mechanism):Account/audition (Audit):Group: User groups, user containersUser Category:ManagementNormal UserSystem usersLogged in

(1) file descriptor in Linux the legal range of FD is 0 or a positive positive number, it cannot be a negative number.(2) open to return the FD program must be recorded well, later to this file all operations rely on this FD to correspond to this

ordinary users do not have permission to use the Shutdown command, only the root user has permission . shutdown [ option ]  time  [ warning message " System shutdown¨ -c  Cancel the previous shutdown command. It is worth noting that when

Logical Volume ManangerThe system kernel called by this tool is Dm:device Mapper, which organizes one or more underlying block devices into a logical device module.LVM is like a dough, the underlying disk makes up a huge dough, and then divides the

With mount-t Cgroup-o cpu,memory my_virt_res/cgroups/my_cpu_and_mem mount the Cgroup file system, use theCgcreate-g CPU:/MY_CPU Create a control group under/CGROUPS/MY_CPU_AND_MEM/MY_CPU,Then a mis-operation unloaded the file system on

Steps for the boot processThe typical boot process for a Linux system consists of the following 6 different phases:Loading and initializing the kernelDetecting and configuring devicesCreating Kernel ThreadsOperator interventionExecute the System

#!/bin/bash#将所有的时间同步服务器赋值给time变量Time= (s2c.time.edu.cn s1b.time.edu.cn s1c.time.edu.cn s1d.time.edu.cn s1e.time.edu.cn s2a.time.edu.cn s2b.time.edu.cn s2d.time.edu.cn s2e.time.edu.cn s2f.time.edu.cn s2g.time.edu.cn s2h.time.edu.cn s2j.time.edu.cn

Recently a little busy, or to strengthen self-control and squeeze time.One: Linux systemThe Linux GUI is just an external software, with and without all.Ide:DLL files under windows are dynamic Connection librariesLinux. So is a shared objectII:

day03-01 Amin linux-user and Group management3.1 User profile and password configuration files/etc/passwd 用户信息配置文件/etc/shadow 用户密码配置文件 [[email protected] tmp]# cat /etc/passwd root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:

This article describes how Linux can see how a port is consumed by which process: 1. Lsof-i: Port number2. Netstat-tunlp|grep Port numbercan see which process is consuming the specified port"Step One" lsof-iThe lsof-i is used to display

user profile and password configuration filesUser Profile/etc/passwd divided into 7 fields: ① User name ② account password/etc/shadow file ③ user identification number Uid④ Group identification number Gid⑤ Comment Description ⑥ user home directory ⑦

CentOS deploys the. netcore application using Nginx + Docker, and centosng.pdf Install docker official documentation https://docs.docker.com/engine/installation/linux/docker-ce/centos/ [root@sn ~]# Yum remove docker \ # delete old

Jboss configuration and operation tutorial in linux, Indicates that the object version is Jboss7.1 JDK7. 1. Jboss is free of installation. Download jboss from the Jboss website and upload it to the server. 2. Configure Jboss Parameters Modify

How to configure routes for dual NICs in linux I. Environment: Three directly connected computer hosts PC1 PC2 PC3 Two NICs eth0 and eth1 are available on PC2, which are connected to PC3 and PC1 respectively. ------ Network cable Ii. Requirements:

Linux Storage Management: hard disk, partition and file system, linux partitionStorage Management: 1. Hard disks, partitions, and file systems Ii. Hard Disk Quota RestrictionsI. Hard Disk, partition, and file system Physical Concept of a hard disk:

Llinux commands and llinux commands 1. Shut down and restart1) ShutdownShutdown-h now (shutdown immediately)Shutdown-h 5 (shutdown in 5 minutes)2) RestartShutdown-r now (restart now)Shutdown-r 5 (restart in 5 minutes)Reboot (restart immediately)2.

Linux details, linux detailsLinux1 Linux is not Unix The Linux kernel was originally written by Linus Torvalds, a Finnish student, at the University of Helsinki for personal interests. Linux is a free and free-to-use Unix-like operating system. It

Linux learning,Ifconfig1, Function This command is used to view and configure network devices. When the network environment changes, you can use this command to configure the network.2. Usage Ifconfig [network device] [parameters](1) Parameters