Linux

Often see a tool under a Linux, with a doc end file, but the novice does not know how to view.I found a search, finally know ...For example: Ipython This software, in Ubuntu, there is a package of ipython-doc.After installation, a folder with a

Linux and cloud Computing--the second phase of Linux Server SetupThe first chapter: NTP Server Setup650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M02/84/7C/wKiom1eR3EWj8CJjAAECGMnPQ_I264.jpg-wh_500x0-wm_3 -wmp_4-s_2524553483.jpg "title="

Linux Server operation process may be subject to hacker attacks, common attack methods have Syn,ddos, etc. By replacing the IP, it may be possible to circumvent the attack by locating the attacked site, but the service will be interrupted for a long

First, MonitorixMonitorix is a very powerful free open source lightweight tool designed to monitor system and network resources in Linux. It collects system and network data on a regular basis and uses its own web interface to display relevant

Linux mail Server (Postfix+dovecot) (iii) Post mail with Maildrop16. Configure Postfix to deliver mail using MaildropMaildrop is a filtering-capable mail delivery agent written in C + + that replaces local MDA and is one of the courier messaging

Basic knowledge of Linux file permissions--linux Tutorialone of the most basic tasks in Linux is to set file permissions. Understanding how they are implemented is your first step into the Linux world. As you expected, this basic operation is

In the computer world, time is very important, for example, the rocket launch of this scientific activity, the unity and accuracy of time requirements is very high, is the time of the computer according to a, or the time of this computer B? NTP is

System mirroring and environmental requirements:1) for the Windows Series version and developers of the relevant tutorials, please refer to this Article 1.0 start the installation steps2) for Centos 6 series and Aliyun Linux 6 series, please refer

Many times we need to know the running state of the server, such as an abnormal alarm, database backup status, and so on, if the server automatically report to you that is good, we can set when certain conditions triggered by the server to send mail

Split is not good to use, but it can be used for a while!There are two ways to split, press a fixed number of rows, and press a fixed size. The default is 1000 lines, suffix length is 2, suffix length n is said, the Shard from the minimum value of n

Very good Linux study book, recommend everyone to seeThis book is a high-quality Linux technology self-study book written by a number of Red Hat Architects (RHCA) based on the RHEL7 system, each chapter of knowledge points from a practical and

The latest project uses Hadoop to start experimenting on root users under LinuxNow go to the Hadoop userSo we're going to create a new Hadoop userDirect Entry topic:Linux System is a multi-user multi-tasking time-sharing system, any user who wants

First download the JDK installation package from the official website, upload the JDK installation package to the virtual machine or the server, and create a Java directory under the/usr/local/directory: mkdir Java and so on, specifically look at

CA IntroductionBuild the CA server (data encryption transfer for Web services)CA Server (172.40.55.10)First step: Configure the CA signing environmentStep two: Generate the private key for the CA serverStep three: Create a root certificate for the

The first step installs the JDK1. Download the JDK installation file Download JDK to Oracle websiteI am here to download the jdk1.8.91 versionand copy the downloaded good compressed file jdk-8u91-linux-x64.tar.gz to the root user folder.

Chen Chaojan Original works reproduced please specify the source"Linux kernel Analysis" MOOC course http://mooc.study.163.com/course/USTC-1000029000First, the video contentGeneral execution of Linux systemsThe most common scenario : The running user-

What is Iftop?The iftop is a real-time traffic monitoring tool similar to top.Official website: http://www.ex-parrot.com/~pdw/iftop/Second, what is the use of iftop?Iftop can be used to monitor the real-time traffic of the network card (can specify

My name is Tao Jia, from a remote rural area in Jiangxi province, from a young age to eat as much as possible after graduation has done a lot of hard work at the bottom. Feel a lot of people's sarcasm, today the honor of the old boy's Linux full

Install the KVM Virtual Machine in CentOS 6 I. KVM Introduction KVM is an open-source software. It is short for kernel-based virtual machine (kernel-based virtual machine). It is an open-source system virtualization module that is fully virtualized

Centos remote SSH port 22 is changed to another port by default Modify the default SSH port: 1. The file controlling the SSH access port is/etc/ssh/sshd_config. Therefore, edit the SSH configuration file sshd_config: # Vi/etc/ssh/sshd_config 2.