Linux

Under The/usr/src directory.The 1.arch catalog includes all the core code related to the architecture. Each of the subdirectories below represents a Linux-supported architecture, such as i386, a subdirectory of the Intel CPU and its compatible

In a Linux system, how do you see when the system executes the shutdown command to shut down the server?Method 1: Use Last-x|grep shutdown to view the history of shutdown [[email protected] log] As shown below, you can use the

Linux History Time User IP settingsIn the use of Linux server, some people do not know who is the operation of the problem, Google said the history command can be viewed to historical records, after using the discovery or not enough detail, then

First, Linux common commands1 ls #列出目录下的文件 2 CD.. #返回上一层目录 3 cd ~ #进入Home目录 4 pwd #查看当前路径TAB key #自动补全: Enter the first few characters of the file or directory name, then press the TAB key, such as no phase weight will be automatically

The option to install the image will cause no graphical interface, choose to install later,CD/DVD selection in theCanLog in when the installation is completeSelect Virtual Machine menu Bar--Install VMware ToolsLocate the zip file at the end of GZ

In the Linux system can be cat/proc/cpuinfo to view the relevant information on the CPU, through processor can determine the number of logical CPUs, physical ID can determine the number of physical CPUs, through the CPU Cores to determine the number

The topic of this article is to implement a progress bar, the application of the progress bar in the software everywhere, copy a file requires a progress bar, loading a file also need a progress bar, to mark the completion or not.So, what are the

Let's take a look at some pictures first.650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/83/1B/wKiom1drRSCSAu3sAAC3apvyPBc014.png-wh_500x0-wm_3 -wmp_4-s_3971616018.png "style=" Float:none; "title=" Qq20160623100744.png "alt="

Before learning to tell yourself to write a summary every day, but the first two days have forgotten. Let's start today .... Are their own understanding, some concepts are not very accurate, do not delve into.I. What is an environment variableis the

JdkInspection System Original Version[Email protected] ~]# java-versionJava Version "1.6.0_24"OpenJDK Runtime Environment (IcedTea6 1.11.1) (rhel-1.45.1.11.1.el6-x86_64)OpenJDK 64-bit Server VM (build 20.0-b12, Mixed mode)To view the JDK information

1.IP settingsUsing Lspci | The grep Ethernet command checks if the Ethernet card device on the computer is detected by the kernel.Then use the "ifconfig" command to view the network interfaces that the system has identified and activated. If it is

1.IP settingsUsing Lspci | The grep Ethernet command checks if the Ethernet card device on the computer is detected by the kernel.Then use the "ifconfig" command to view the network interfaces that the system has identified and activated. If it is

1.linux Multi-user, multi-tasking operating systemCAT/ETC/PASSWD// View current system user InformationCat/etc/group// View current system group Information2.rbac: Role-based assignment of permissionsUser ---------- Group ----------- permission

We usually can't go directly through the Linux kernel, but we need to use the gun toolchain on the Linux kernel toFile processingText manipulationProcess Managementand other operations.The Gnu/linux shell provides users with aStart the

Occasionally forget some of the commands or files, the following commands can help us quickly find the command or file1. Search for commandsCommand:whichFunction: Search for commands in the directory under Path configurationUsage: which [-a]

Common directivesLS Display file or directory-l list File details L (list)-a lists all files and directories under the current directory, including Hidden A (all)mkdir Creating a Directory-P Create directory, if no parent directory, create p (parent)

1. Calculate GRUB's MD5 encryption password:#grub-md5-cryptPassword:Retype Password:After you enter the password for two times to confirm, you will calculate the MD5 encryption value of the password you entered, such as:

Parameter interpretation1. default=0# default after adding a number N, indicating n+1 "title" operating system, 0 represents the first "title" of the operating system, and so on. 2. timeout=0# timeout Indicates the default wait time, which is set to

Check_user_createdate.sh, createstackuser. sh In the previous article, how to find the user's creation time in Linux discusses how to view the user's creation time. Later, I tried to get a script to check all User Creation Time scripts, of course,

Install the powerline plug-in vim Powerline is the vim status bar plug-in. It also provides status bar and prompt window functions for other applications, including zsh, bash, tmux, IPython, Awesome, i3, and Qtile. This article only describes how to