Linux

Let's start with a simple version.1 /* given a pointer @ptr to the field @member embedded into type (usually2*/3 #define 4 ((Type *) (( char *) (PTR)-( Char *) (& ((type *) 0)- >member))) Function: Mainly used for the

When we use the virtual machine to learn Linux, in many cases will forget the password. Let's introduce how to hack the password of the system when we forget the password. Restart Linux SystemsPress ESC Key650) this.width=650; "src=" http://s3.51cto.

1. TypeSYSTEMD opening and overseeing the entire system is based on the concept of unit. The unit is made up of a name and type with the same name as the configuration file name (for example: Avahi.service unit has a configuration file with the same

LVMPV:          pvcreate, Pvremove, Pvscan, Pvdisplay, pvmove Span style= "font-size:18px" >                  pvcreate/dev/sda{10,11}                  PVS View the current system's PV                  Pvdisplay View more

First, download the JDK: http://www.oracle.com/technetwork/java/javase/downloads/index.htmlView Linxu number of system bits:getconf long_bitAccording to the number of bits of the system, download the corresponding version, mine is 64-bit:Second,

650) this.width=650; "src=" Http://blog.chinaunix.net/attachment/201303/23/23069658_1364022276448d.gif "alt=" 23069658_1364022276448d.gif "/>Start the first step-load the BIOSWhen you turn on the computer, the computer loads the BIOS information

Linux system after networking I use Ubuntu10.10, first encountered is how to install Linux QQOn the official website to find the download QQ, on the download, download and install after the run, unexpectedly said version obsolete, need to

Excerpt from data (Linux differs from Windows)There is no special means of communication between threads, because the data structure can be shared between threads, that is, a global variable can be used by two threads at the same time. Just be aware

http://blog.csdn.net/horstlinux/article/details/7911457http://blog.csdn.net/eroswang/article/details/2932630Category: Linux dev/C + +2008-09-15 13:05 1788 people read reviews (0) favorite reports LinuxnullstructIn Linux the downgrade with sleep

Linux remote access to Windows desktopRemote access to Windows is no stranger. One of them is mstsc Remote Desktop Connection: If you find that access is not up or inaccessible when you remotely access windows, I want to be sure that your Windows

Linux unzip and linuxunzip Installation command: yum install-y unzip1. I want to compress a file abc.txt and a directory dir1into yasuo.zip: # zip-r yasuo.zip abc.txt dir12. I downloaded a file named yasuo.zip and want to decompress it:Unzip yasuo.

Linux RAID introduction and linuxraid IntroductionRaidRAID Level: it only indicates that the disk organization mode is different and there is no context:0: StripAdvantage: Performance Improvement: Read and WriteInsufficient: no redundancy (fault

Zabbix Chinese and garbled Solutions Zabbix uses the English interface by default. Many friends who are not familiar with English may not use it. The following describes the Chinese-based method, which is actually very simple: ### Click Chinese

File encryption and decryption in Linux Security Mechanism [What is encryption and decryption]Encryption: it refers to the process of converting plaintext into a ciphertext. It is to use a special algorithm to change the original information data so

Linux redirection and PipelinesStandard output redirection ">" OPERATOR: overwrite the content of the target file bkjia@bkjia:~/bkjia/linux/cmdline$ date > foobkjia@bkjia:~/bkjia/linux/cmdline$ cat fooFri May 8 09:55:42 CST 2015 ">" OPERATOR: append

Debian 7.0.0 installation illustration tutorial Debian 7.0.0 installation instructions: The installation image file of Debian7.0.0 has three DVDs. The basic system is installed only on the first image file, that is, DVD1.Other image files are

Compile and install OpenJDK7 source code on CentOS 6.5 The open-source OpenJDK version can be used to obtain the source code in two ways: Get the source code directly from Repository through the Mercurial code version management tool, but the

Linux File compression and Archiving Linux File compression and ArchivingFile compression Common compression Commands include gzip and bzip2.Gzip Command Format Gzip [-acdfhlLnNrtvV19] [-S suffix] [name...]Command Parameters -C -- stdout --

Configure the local YUM source in RHEL6.5 1. Create a rhel-debuginfo.repo. If yes, back up and delete it. cd /etc/yum.repos.d rm rhel-debuginfo.repo vi rhel-debuginfo.repo Insert the following content: [Server] name = Red Hat Enterprise Linux

Linux disk Management 1Linux disk management:MBR: Master Boot Record (512 bytes)Master Boot RecordMain Boot Record446 bytes: BootLoader, system boot program64 bytes:16 bytes: indicates a partition for each 16 bytes.2 bytes: Magic Number55AALn [-s-v]