Linux

Linux Cryptographic decryption basics, PKI and SSL, creating private CAs1. Encryption and Decryption Basics:Data in the network transmission process to ensure that three points:(1) Data integrity: To prevent the data in the transmission process by

In daily life, people often know the host domain name without knowing the host IP address, and the socket API is based on IP address, so need to use DNS domain name resolution server to parse.So the first simple introduction of the principle of DNS,

One: unsafe (non-reentrant) inet_xxx () function familySince computer-understood IP is stored in binary form, the conversion of string IP and binary IP is often required in network programming, and the Linux system has a set of functions to be used

The ln command is a synchronous link for a file, and LN has two types of soft connections and one for hard links. A hard link means that a file can have multiple names, whereas a soft link creates a special file with the content of the file pointing

"Linux device Driver development in detail: Based on the latest Linux 4.0 kernel" China-pub today on-line into the pre-sale stage: http://product.china-pub.com/4733972650) this.width=650; "src="

"Linux device Driver development in detail: Based on the latest Linux 4.0 kernel" China-pub today on-line into the pre-sale stage: http://product.china-pub.com/4733972Recommended Order OneTechnology is changing rapidly, industry earthshaking,

Some classic Linux booksOne, the road of Linux, the road long its repair far XI, I will go up and down and quest! Get the classic book first!1. Introductory article"Linux authoritative guide" book is good, write very comprehensive also relatively

This blog is not about writing technology.Speaking of Linux, I am only a small white level. But I do not think that small white can not write a little learning process.Everyone has their own way of learning. Some people like to buy a few books when

System Properties:[Email protected]:~$ uname-alinux huwei 3.16.0-44-generic #59 ~14.04.1-ubuntu SMP Tue Jul 7 15:07:27 UTC x86_64 x86_6 4 x86_64 Gnu/linuxCheck the hard disk information, remember to back up the data on the USB flash drive, or you

Cat/sys/kernel/debug/vgaswitcheroo/switch//view current video card statusIGD: Integrated display, integrated graphics; DIS:D iscrete display, discrete graphics[Email protected] kiosk]# cat/sys/kernel/debug/vgaswitcheroo/switch0:igd:+:P wr:0000:00:02.

In front of a vectorcoredump example, contact with the vector iterator, you can know that the vector iterator only one member _m_current point to a vector element.Let's look at an example:1 #include 2 3 void init (std::vector& vec) 4 { 5 for

In today's world, people's computers are interconnected and interconnected. Small to your Home area network (LAN), the largest one is what we call the Internet. When you manage a networked computer, you are managing one of the most critical

This article, the original connection: http://blog.csdn.net/freewebsys/article/details/46546205, reprint please indicate the source!1, about FreeSWITCHFreeSWITCH is a soft-switching solution for telephony, including a softphone and soft switch to

Bulk scan IP Port, the result of exporting IP-named files based on scanned IP.Assume that the contents of the 1.txt file are127.0.0.1192.168.1.1Then we get the file content IP to scanwindow. bat version : 1.txt for file name, modify

DIY Custom winpe+ various DOS Toolbox USB boot Disk +minilinuxBecause of a 64M old U disk, no use, take to play the waste heat. If the USB drive is large enough, you can use the more powerful mini Linux and WinPE with more tools. This time the

Linux Command uptime, linux Command uptimeThe uptime command is used to query linux system loads.Command FormatUptime [OPTION]-V display versionThe system load is directly output by uptime without parameters.What is system load?The average system

Linux 4-disk and file system management and linux Disk System Management 1. Some basic definitions 1. superblock: record the overall information of this filesystem, including the total inode/block volume, usage, remaining amount, and file system

HowTo: Linux Server Change OR Setup The TimezoneMethod 1 # Tzselect # select timezone e.g. asia/Shanghai # echo 'Asia/Shanghai'>/etc/timezone # set timezone # apt-get install ntpdate # install ntpdate package to synchronize date time # echo "server

Git basic operations Git clone [-B branch name] chenlong @ http: // project/admin. git Default master branch without-B Parameter Git clone http: // project/admin. gitGit clone-progress-v http: // project/admin. git Git.exe clone-progress-v "http: //

Linux dd command to test the read/write speed of the USB flash drive and the dd read/write speed 1. Brief description of the dd command: If = input file, of = output file, ibs = number of bytes read at a time, obs = number of bytes written at a