Linux

Think this article to write sections and paging mechanism is quite clear, reproduced here.A while ago read the "deep understanding of the Linux kernel" on the memory management of the part of the time spent a lot, but there are many problems are not

In the field of Internet site development, there is a noun, we must be unfamiliar, that is lamp, the classic Web server environment, composed of linux+apache+mysql+php, later, a name Nginx Web server open source, because of its higher concurrency,

SSH login under Linux system is slow how to do? Many Linux users find the connection on the Linux server after entering the user name and then wait to enter the password, the time is too long, now small to share with you how to solve the problem of

To install a dependency package:Yum install libpng libjpeg freetype libpng-devel libjpeg-develDownload GraphicsMagick PackageWebsite address: http://www.graphicsmagick.org/Unzip the build installation:Tar XF

Linux is divided into RPM package and binary package installation, Yum installation is also part of the RPM package installation.RPM Package Name principle650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/89/C4/wKioL1gcIibTWVW7AAAm57TlvB4924

About SWT SWT first to add an SWT installation package in Eclipse: Windowsbuilder Pro. Download path: http://www.eclipse.org/windowbuilder/download.php via help, Install New software ... To install them. Here's the Add

Find command, archive compression tool, Xargs, exec, tar, XZ, CpioFind commandFile Finder tools in Linux are commonly found in locate and find as well as whereis. They are suitable for different occasions, such as Whereis can only be used to search

1. First find a directory to download the JDK package/home/java2, run in this directory (directly run wget http://download.oracle.com/otn-pub/java/jdk/8u111-b14/jdk-8u111-linux-i586.tar.gz will report a unable To establish SSL connection. Error, I

Looking at the end of the Linux kernel in-depth understanding of the introduction of the Linux startup process, let me understand the following to write it: BIOS (Hardware power-on self-test post, looking for the first boot device) The boot

#!/bin/bashfunction fdisk_fun () {    fdisk $1 >/dev/null 2>&1 }a= ' V ' echo -ne  "\033[32m please confirm machine ,if is not ali,enter  n|n.otherwise:\033[0m "read choiceif [  $CHOICE  ==  ' N '  -o  $CHOICE   ==  ' n '  ]then    a= ' s '

The Linux runlevel is the current functional level of the system, with different levels and different functions.1. View the current RunLevelRunLevel2. Introduction of various levelsVI/etc/inittab# Default RunLevel. The runlevels used are:#0-Halt (do

Linux instruction: Work trip information and management--reniceName:reniceusage rights: All usersHow to use:renice Priority [[-P] pid ...] [[-G] pgrp ...] [[-u] user ...]Description: Reassign one or more trips (Process) Precedence (one or more will

First, Introduction The meaning of GCC is only GNU C Compiler. After so many years of development, GCC has not only supported the C language; it now also supports the ADA, C + +, Java, Objective C, Pascal, COBOL, and Mercury languages that support

First, Introductionand 工欲善其事, its prerequisite, the world of Linux is quite large, in addition to the most famous Ubuntu also has a lot of release. However, literati light, since ancient times, to understand the advantages of different releases not

Linux eats my memory.In the case of Windows Explorer to see memory usage, if the usage reaches more than 80%, then run the large program can feel the system is not smooth, because in the case of memory shortage using swap partition, frequently

Set umask in Linux and umask in linux In linux, you often need to prompt settings:Umask 022 Its functions are as follows: Function Description: Specifies the default permission mask when creating a file.Syntax: umask [-S] [permission mask]Note:

Ubuntu/linux Command for permission modification, ubuntulinux Chmod command for changing File Permissions The most common basic command chmod Chmod 777 directory name (path name) 777 the three digits represent the permissions of the user, group,

Practice: rsync + inotify achieves real-time data synchronization and rsyncinotify The Linux kernel has provided inotify notification interfaces starting from version 2.6.13 to monitor various changes in the file system, such as file access,

How to use the open-source software ownCloud to set up private cloud network disks on ubuntu Server   With the crash of 360 Network disks, it can be seen that the time is not far from the shutdown of all network disks. In order to avoid further

Centos7.2 yum install lamp environment, centos7.2lamp I. Preparations 1. Download and install centos7.2,Configure the network environment to ensure that centos can access the Internet and obtain the yum source.. Centos7.2: