Linux

1. Install the database:Yum Install Mariadb.serverSystemctl Staus mariadbSystemctl Start mariadbSystemctl Enable MARIADB//Set boot to start automatically and open database serviceNetstat-antlupe | grep MySQL View interfaceVIM/ETC/MY.CNF 6

Linux system All Files:1 The Linux file system maps everything to a file, and everything is accessed as a file, with the nature of the file open read write close2 Linux device files have two types of block devices: block (Access unit block) disk

If your Linux system does not have PIP3, then you can install to the official website to download PIP3 tools, of course, the latest version is not called PIP3, on the official website can find such a package,

Operating Environment: CENTOS7One, disk quotas(1) IntroductionDisk quotas are the limits that administrators set to use disks for normal users, and each user can only use limited disk space and the administrator sets the disk quota. You can clearly

1th. Scheduled Tasks 1.1 What is a scheduled taskThe equivalent of an alarm clock wakes you up every daySet a time to do sth.1.2 System timing Tasks[[Email protected] ~]#ll-d/etc/cron*drwxr-xr-x. 2 root root 4096 Jul 18:24/etc/CRON.D drwxr-xr-x. 2

Open the virtual machine, connect with Xshell, first we want to get the IP address first enter the command to get the IPIP addr Get IPIfup (NIC name) #网卡启动Ifdown (NIC name) #网卡关闭Without getting the wordsWe will begin to troubleshoot the

Because Linux is a multi-user managed operating system, Linux by default does not limit the size of disk space per user, if a user inadvertently or maliciously occupied disk space, will cause the system disk can not write or even crash, in order to

First, partition to do swapCreate a new partition, Fdisk/dev/sdb, choose N, for example, to set up a 2G swap partition, first a 2G partition, I set up here is/DEV/SDB2, then the T command, Hexcode 82After the first Partprobe synchronization, and

Mainstream distribution1. Red Hat LinuxRed Hat has always been a leader in Linux and even the open source world. It has two different distributions, a commercial edition, called Red Hat Enterprise Linux, focuses on enterprise applications and offers

The module code is as follows//main.c#include #include #include #include #include static int my_hello(void){ struct task_struct *task = NULL; printk("Hello\n"); for_each_process(task){//打印系统中的所有进程信息 printk("PID:%d \t NAME:%s \

1. Create a temporary working directory for USmkdir Deb2, new directory of our programmkdir Hello3, the preparation of our programWe start with the HelloWorld program we know best,The HELLO.C code is as follows#include stdio.h> int main (){printf

System Status View command:W View UsersTop System process MonitoringUptime See how long a server has been runningHtop more advanced interactive monitoring tools (installation required)Iotop monitoring and real-time display of disk IO input and

Recently in the video learning Linux, found that their original study of Linux are some fur, can not be used in the actual work, to this end, special records of their own learning process. ???????? The old three-grep of the Three Musketeers of Linux

Linux 22nd Day self-study Linux task planTime: 20180809Linux Task SchedulerPerform a task at once, that is, to execute a command at a specified time in the futurePerform a task periodically, after which a task is executed at a certain time every at

-C: Create compressed archives-X: Unzip-T: View content-r: Append files to the end of a compressed archive file-U: Update files in original compressed packageThese five are stand-alone commands, which use one of the compression decompression, and

Linux Primary Knowledge:Basic command:IncreaseInstall software: Yum install Lrzsz (easy to drag and drop Linux and Windows files)Unzip file: TAR-ZXVF python-3.6.5_\ (1\). tgzInstall the underlying compilation tool (for compiling and installing

Brief introductionThis article mainly describes how to use the vagrant coordination to virtualbox quickly build an experimental environment.virtualboxis an open source cross-platform virtual machine management software that features similar charges

Because of the company's business needs, may involve the change of SSH remote port number, with the following method easy to solve, nonsense not much to say!1. Open the SSH Port profile: vim/etc/ssh/sshd_config, locate the port as shown, change the

Moving Windows files to a Linux system adds a newline character to the end of the file line ^mUse the command cat-v tmp.c to see ^m characters behind each lineTo solve this problem, we use the following command: Touch love_tmp.c (first create a

1. Install package group containing RZ,SZ commandCan be selected when installing the System Package, package group name: dial-up nerworking support. If you do not have a choice when installing the system, you can install it using the Yum command