Linux Command To Get Hostname

Want to know linux command to get hostname? we have a huge selection of linux command to get hostname information on alibabacloud.com

Graphical Linux commands: Obtaining system Information with the uname command

See what information the >name command returns when we enter uhttp://www.aliyun.com/zixun/aggregation/11696.html directly in the terminal. Just output a Linux is not 211.html "> Feel too little." Do we also want to know about the kernel version, network nodes, support hardware, and so on. In fact, the uname command has several parameters that display different information separately. If we are in un ...

Deep analysis of the namespace technology behind Docker

I believe you have seen in many places "Docker based on Mamespace, Cgroups, chroot and other technologies to build containers," but have you ever wondered why the construction of containers requires these technologies?   Why not a simple system call? The reason is that the Linux kernel does not have the concept of "Linux container", the container is a user state concept. Docker software engineer Michael Crosby will write some blog posts and dive into Docke ...

Cloud computing with Linux and Apache Hadoop

Companies such as IBM®, Google, VMWare and Amazon have started offering cloud computing products and strategies. This article explains how to build a MapReduce framework using Apache Hadoop to build a Hadoop cluster and how to create a sample MapReduce application that runs on Hadoop. Also discusses how to set time/disk-consuming ...

Running Hadoop on Ubuntu Linux (multi-node Cluster)

What we want to does in this tutorial, I'll describe the required tournaments for setting up a multi-node Hadoop cluster using the Hadoop Distributed File System (HDFS) on Ubuntu Linux. Are you looking f ...

Common commands for Linux to get system information

Recently read some Linux command line articles, in the system information to learn a lot of commands. Think of a previously written article in fact, Linux so much easier to find these system information to view the command can also be summed up a small thing to come. # CAT/PROC/MTRR View Mtrrs Memory type range Registers # uhttp://www.aliyun.com/zixun/aggregation/11696.html >name-r view current kernel ...

Iredmail Introduction

Iredmail is a set of GPL-released Shell scripts designed to fully install and configure http://www.aliyun.com/zixun/aggregation/12489.html "> Mail Service-Required components, To ease the burden on the system administrator. It provides a basic command-line user interface (implemented using the dialog program) that allows users to simply select the components that they want to use, within minutes (less than 3 ...).

Nutch Hadoop Tutorial

How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

About kernel of Ami on EC2

On the EC2, I used the Rightscale ami as the V1 version of Centos5, which has a kernel version of 2.6.16. You can use the following methods to upgrade to 2.6.18. Because Amazon allows you to select the kernel version at startup, Amazon offers the latest kernel version of 2.6.18 (in fact, Rightscale is using Amazon's 2.6.18 kernel), so you can choose to use 2.6.18 kernel startup and then in ...

The most complete and detailed ha high reliable and simple configuration of Hadoop2.2.0 cluster in China

Introduction to Namenode in Hadoop is like the heart of a human being, and it's important not to stop working. In the HADOOP1 era, there was only one namenode. If the Namenode data is missing or does not work, the entire cluster cannot be recovered. This is a single point in the Hadoop1 and a hadoop1 unreliable performance, as shown in Figure 1.   HADOOP2 solved the problem. The high reliability of HDFs in hadoop2.2.0 means that you can start 2 name ...

How to securely configure and apply MySQL databases?

MySQL has become one of the most widely used databases in the current network, especially in Web applications, which occupy the absolute advantage of small and medium applications. It all stems from its compact, safe, efficient, open licensing and multi-platform, and, more important, the perfect combination of--php with one of the three web languages. Unfortunately, a default installation of MySQL, because the root password is empty and the program vulnerabilities caused by the overflow, so that the installation of MySQL server is a frequent target. What is more serious is that the database is often destroyed after the attack, causing disaster easily ...

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