Linux

We also need to install a cross-compilation tool before we can formally begin to write the bare-metal program. What is a cross-compilation tool? It is actually compiling the program on the x86 Ubuntu host and can run the build tool in the ARM

Ext.: http://blog.csdn.net/turkeyzhou/article/details/16971225Configure NIC IP aliases under Linux what is an IP alias?In the words of Windows, you configure multiple IPs for a network card.What is the occasion to add IP aliases?Web needs, multi-IP

Official website JDK7 http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlThere are various system JDK in it, I downloaded the Linux x64 rpm format.Command Wget-c-p/root/downloads

is a set of cabinets and methods for handling strings, which are handled in the unit of behaviorWith the aid of special symbols, you can quickly filter and replace certain specific strings.awk sed grep^word has word startwrod$ has word end# grep "^i"

Source:How to use your own library functions under Linux-riverok-chinaunix blog http://blog.chinaunix.net/uid-21393885-id-88128.htmlBuild a function library compilation scheme under Linux-Observer log-NetEase blog http://blog.163.com/[email

Think of studying Java, may learn openjdk is a better way, so go to find OPENJDK. The installation guide for the Debian based system is:sudo Install openjdk-8-jdkHowever, my Linux Mint 17 was unable to install. The following questions were found

"Option Parameters"- Q Displays the number of currently logged on users- M equivalent to who am I"Practice Actions":[email protected] ~]# whoRoottty1 2014-02-27 20:21rootpts/0 2014-02-27 20:21 (192.168.124.1)Oldboy pts/1 2014-02-27 20:22 (192.168.1

Transferred from: http://www.cnblogs.com/huangxingkezhan/archive/2013/01/23/2874031.htmlBy using TR, you can easily implement many of the most basic features of SED. You can see TR as a (extremely) simplified variant of sed: it can replace another

A Quick Introduction to Linux Policy Routing2013In this post, I-m going to introduce-to-policy routing as implemented in recent versions of Ubuntu Linux (and possibly Other Linux distributions as well, but I'll be using Ubuntu 12.04 LTS). Policy

Transferred from: http://www.cnblogs.com/xiaochaohuashengmi/archive/2011/11/11/2245341.html"Sudo" is a very useful tool on the Unix/linux platform that allows system administrators to assign some reasonable "rights" to ordinary users to perform

Ubuntu also ushered in its new generation of long-term support version 14.04 LTS, which brought a lot of new and exciting, so decided to upgrade.Installed the 64-bit version and install the Linux cross-compilation toolchainRun

Sometimes it is necessary to perform some system maintenance work that is time-consuming and resource-intensive, or some repetitive operations such as daily backups. The best way to do this is to schedule these tasks at a time of minimal system load

Transferred from: http://www.cnblogs.com/peida/archive/2012/12/12/2814048.htmlThe diff command is a very important tool on Linux to compare the contents of a file, especially to compare two different versions of files to find the changes. Diff

In some distributions of Linux systems, the use of RPM tools for software management, but in the process of RPM, the processing of dependencies between programs is cumbersome. As a result, some publishers have improved the RPM tool by using the Yum

---io redirection:The typical von Neumann computer consists of 5 major components: an operator, a controller, a memory, an input device, and an output device. And a computer may have many input devices and output devices, keyboards, microphones are

Transferred from: http://blog.csdn.net/kmesg/article/details/6570800Today, some classmates asked me to look at the directory size under Linux command, now also will be the former learning to DU/DF two command summary of it.In the pre-test work, we

From:http://bbs.chinaunix.net/thread-3613556-1-1.htmlTest environment: Under VMware, centos6,64-bit version, the original system default partition,/dev/sda3 is LOGVOL01, mount to/on. Add a new 30G HDD SDB, expand the new HDD capacity to the original/

QT Creator in Ubuntu 15.04 supports Chinese Input After QT5.4 (32-bit) is installed in the Ubuntu 15.04 system, when writing code and comments, I find that Chinese characters cannot be written. The following is my solution: 1. Install fcitx-frontend-

Hadoop + Hbase cluster data migration Data migration or backup is a possible issue for any company. The official website also provides several solutions for hbase data migration. We recommend using Hadoop distcp for migration. It is suitable for

Build an NTP server in Linux BackgroundWhen there are too many servers, it is a big problem whether the time is accurate or not. Although this problem is always ignored, it is necessary to unify the time. The following describes how to configure the