Linux

GitHub Official Development homepage: Https://github.com/coyove/goflywayThe use of Goflyway will not say, you can search this article to explain already know.It is worth noting that the best use of the Ubuntu system to install, I used to use CentOS

I. INTRODUCTION of commandsThe uptime command in a Linux system is primarily used to obtain information such as the host runtime and query Linux system load.The uptime command can show how long the system has been running, showing the current time,

Monitoring IO PerformanceUse the Iostat command to view disk usage [Email protected] ~]# iostat-x Here we focus on util This column,util is a percentage of the display, if the larger the value of your hard disk is more busy, this will

10.6 Monitoring IO Performance[[email protected] ~]# iostat -xLinux 3.10.0-514.el7.x86_64 (aminglinux-001) 2018年01月22日 _x86_64_ (2 CPU)avg-cpu: %user %nice %system %iowait %steal %idle 4.87 0.00 8.42 14.51 0.00 72.2

Detect and confirm a new hard driveExecute the "fdisk-l" command to view and confirm the device name and location of the new drive.The purpose of the FDISK-L command is to list information about all hard disk devices and their partitions in the

Objective:The processing of logs in the server is a very common work, so operation and maintenance for a variety of text tools to view, analyze, statistics, is a necessary basic work. It is necessary to learn common file handling commands such as

FG, BG, Jobs, &, CTRL + Z are all related to system tasks, although these commands are largely not needed now, but they are also usefulA .& is most often usedThis is used at the end of a command, you can put this command in the background to

First, configure YumSecond, what is SSH The administrator can manage the multiple hosts scattered across the network by remote login. Administrators can do the following for remote hosts: Remote Login remote command

The Android system will have a front-facing camera and a rear camera definition, the camera is divided into the SOC type of camera and USB camera, and then to analyze is the USB camera this category.Generally in the Android or Linux system analysis

Detailed descriptions of Linux directories and each directory, including common directories such as/BIN,/ETC,/HOME,/USR,/ROOT,/DEV,/VAR,/PROC, which are common in Linux, are detailed and explained.Linux Common Directory Description/binStoring binary

Linux Mint Qiana CinnamonLinux Mint 17 has been released, named Qiana. Mint is one of the best Linux distributions, targeting desktop users, focusing on usability and simplicity. It carries a very different desktop environment, such as mate and

1. View Traffic Graph Discovery problemLook at the time the page is very card, sometimes not even respond2. Top Dynamic Viewing processI immediately telnet to the problem of the server, remote operation is very card, network card out of the traffic

Time () provides a second level of accuracy 1. header File 2. Function prototype time_t Time (time_t * timer) The function returns the number of seconds starting from Tc1970-1-1 0:0:0 to now Use the time () function with other

Data exchange between linux kernel and user layer and linux Kernel 1. There are basically System Call interfaces file_operation interfaces: read write ioctl? Module param of module driver (module parameters of module driver ). 2. kernel startup

Debian enable SSH boot implementation method, debian enable sshDebian has disabled SSH by default since 8.0. Run the following command to open the sshd_config file: nano/etc/ssh/sshd_config?2. Remove the comment of # PasswordAuthentication no and

Linux Command Line input summary, linux Command Line SummaryLinux basic command input New User: useradd [user name]; Change User name: usermod-l (Note: lowercase letter L) [user name you want] [Existing user name] After modifying the user name, you

Install Kernel 4.15 RC5 on Ubuntu, Linux Mint, and other derivative versions This section describes how to install Kernel 4.15 RC5 on Ubuntu, Linux Mint, Elementary OS, and other Ubuntu derivative versions. Installation instructions: Due to the

Install centos 7 and centos 7Operating System Image File: CentOS-7-x86_64-DVD-1708Step 1: Download the operating system image file at the following address: Images. Step 3: click "enable this VM ".Step 4: Start to install the system. The specific

Install Docker in CentOS 6.9 Because Docker requires that the Linux kernel version be 3.8 or later, check the kernel version of the host machine operating system before installation. Otherwise, if the kernel is lower than 3.8, Docker can be

Google Kubernetes Engine upgrade: regional cluster, new control panel, and security recommendations Google has updated its Kubernetes Engine (GKE) service several times. You can now use GKE on a large scale. In addition to the kubectl command for