Linux

Regular Expressions (Regular expression) are a standard for string processing, and for system administrators, regular is a compulsory skill. For example: The system generates too much data, as a system administrator to see so much information every

Tar-zcvf/home/xahot.tar.gz/xahotTAR-ZCVF the directory to be packaged when the file name full path is generated after packagingExample: Package the/xahot folder into a/home/xahot.tar.gz file. Zip compression method: Compresses the current folder

The SCP command is for users to copy files from one Linux server to another Linux server over the network, as follows:One: Copy from local to remoteTo copy a file:Command format: SCP local_file [Email

Today is the first time since the debut of the installation of JDK1.3, the University of contact has been JDK1.4, but also in red Hat Enterprise Linux Server release 6.6, The installation of JDK1.3 is due to the fact that a software group project is

ssh:secure Shell. is a security protocol. A common application scenario is a remote console login.SSH1Free,SSH2Charges.ActuallySSHnot just used under Linux and Unix, they are alsowidely used under Windows NT. Relative toTelnet,ssh encrypts and

Linux HistoryWe all know that the development of PC can be said to be from the electron tube era to the transistor era, after the integrated circuit, and then to the VLSI, that is, the current PC, or from a minicomputer to a compatible machine to

1, DHCP Introduction:Dynamic Host configuration Protocol. config protocol. is a LAN network protocol, using UDP protocol work, mainly has two purposes: to the internal network or network service providers automatically assigned IP address, to the

Linux typically uses the Du and DF commands to see disk space usage, with the following basic syntax:Df-report file system disk space USAGEDF [OPTION] ... [File]...-h,--human-readable print sizes in human readable format (e.g., 1K 234M 2

Recently the company hand-tour of a test area service end old hanging, so the whole script monitoring, hang up to send mail and then automatically restart the service.StartFirst mail A look, the results prompt command not found (company system are

Http://www.cnblogs.com/zhaoyl/p/3620204.htmlFirst, three threads are clarified from the OS design principle : Kernel thread, lightweight process, user threadKernel threadsA kernel thread is a clone of the kernel, and a single clone can handle a

Recently bought a solid-state drive, first installed a win 7 system, now installed system and the only difference between the previous system is that the boot is not the previous MBR, but the latest seems to be a trend of the gpt+uefi way.Win 7

Xin Xing sorts out common query commands in Linux, and Xin Xing sorts out linux commands. View version, operating system, or cpu Information File:/etc/issue view OS version/proc/cpuinfo view cpu Information Command: hostname to view the computer

Basic Linux Tutorial: Install software from source codeWhy install software from source code? Under what circumstances do we need to install software from the source code? I think it is similar to these situations: one case is that the software

Compile and install the new kernel on Ubuntu 14.04.1 LTS 1. kernel configurationI don't want to configure it one by one here, so I will directly copy the current kernel configuration of Ubuntu 14.04.1 LTS. First cd to the root directory linux-3.15.8

How to install Mate 1.10.0 on Ubuntu 14.04/14.10 Mate is one of the most popular Linux desktops. It has become an important default desktop environment for Linux releases, such as Linux Mint, Ubuntu Mata, Arch Linux, and Fedora. Developers of this

Customer-Server programming method and Client Server programmingCustomer-Server programming method The Client Server programming method is thoroughly described in the first volume of unix network programming. This article omitted the coding details

Use of command alias in CentOSIn Linux, mis-typing the rm command is an easy task. Therefore, it is very important to avoid the harm caused by the rm command. In Linux, it is actually very easy to implement rm command interaction. You only need to

LinuxShell script introduction Reading Notes Chapter 1 TestI. Introduction 1. Bash (Bourne Again Shell), which is currently the default shell environment for most GNU/Linux systems. All commands are input and executed in the shell terminal. After

How to limit network bandwidth in Linux If you often run multiple network applications on the Linux desktop or share bandwidth with multiple computers at home, you may want to better control the bandwidth usage. Otherwise, when you download a large

Ubuntu mobile APP development and learning (1) # Related URLs Http://developer.Ubuntu.com/zh-cn/apps/sdk/ 0. Set up the environment A Ubuntu 14.04 operating system is preferred. You have installed a virtual machine. Do not update the operating