Cloud Applications

Introduction netperf is a powerful tool for testing network bandwidth and latency. it can test the performance of TCP and UDP. Installation environment Operating system: CentOS5.6 kernel: 2.6.18 network: Gigabit Ethernet compilation, installation

All Machine hardware information: dmesg | moreCPU information: cat/proc/cpuinfo view how many cores MEM memory: cat/proc/meminfofree-mtop disk information: df-Th view the size of each directory on the disk fdisk-h Hardware information of all

Because the network configuration of Centos7 is significantly different from that of previous versions, we will discuss it separately. Centos7 has the automatic detection function for Nic devices: (1) Nic naming mechanism systemd: Because the

Install 1)download apache-tomcat-6.0.20.tar.gz // Unzip 3) cp-Rapache-tomcat-6.0.20/usr/local/tomcat // Copy apache-tomcat-6.0.20 to/usr/local/and rename it to t Install1)download apache-tomcat-6.0.20.tar.gz // different versions 2) tar-zxvf

1. go to the official website to download jdk. I downloaded the jdk-6u31-linux-i586.bin (the original did not give the address sorry, now add http://www.oracle.com/technetwork/java/javase/downloads/jdk-6u32-downloads-1594644.html) 2. suroot & n 1.

Preface CentOS? Current enterprises? The RedHatEnterpriseLinux commonly used in the I field is the same source? What is the purpose of the exhibition? Why? ?? Free? Enterprises? I? For Linux? I series? Platform, both high performance ?? Excellent

After the user logs in, the system's default primary prompt is & ldquo ;$ & rdquo;, and the super user root is & ldquo ;#& rdquo ;. There are two ways for the user to exit the system: 1) type the command: exit or logout2) press Ctrl + D at the

Article title: ARM and VIALinux mobile platforms seek more opportunities. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

Article title: Kernel comparison: improved memory management in the 2.6 kernel. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems,

Article title: decompress and compile the system kernel on redhatas3.0. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

After the boot is successful with a CD or USB flash drive, press the ESC key on the disk. boot: enter linuxtext to enter the text installation mode. press enter to enter the image installation mode. if you do not press the ESC key, by default, the

Install the necessary dependent Library yuminstall-yautomakeautoconflibtoolgccgcc-c ++ 1. download the required decoder wgethttp: // KeyStore to install the necessary dependent Library Yum install-y automake autoconf libtool gcc-c ++ 1. download the

Article title: this is a detailed explanation of kernel compilation. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open

CentOS6 and later versions generally provide a DVD1 and a DVD2 Image. you can use DVD1 to install and use CentOS. DVD2 stores some additional software packages, this article describes how to create and use a local yum repository to merge two DVD

Sometimes, as needed (such as preventing attacks), the Linux server administrator can restrict the server from being pinged by other users. At the same time, the Linux server can be pinged to other servers. This article provides two methods to

Article Title: Microsoft is still maintaining its contribution to the Linux driver. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded

Environment virtual machine: VMWare10.0.1build-1379776 Operating system: CentOS764 bit introduction when CentOS7 is installed (Minimal), it does not contain the ifconfig command, which is included in the net-tools package, yum can be installed, but

Article title: kernel compilation process (kernel2.6.7 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. It

The XEN architecture VPS generally provides a capacity of no less than 10 GB, but most VPS based on the Xensystem panel are mounted with 10 Gb hard disks by default (the first disk), and the remaining capacity (the second disk) you need to manually

Use xshell or securecrt to remotely set the network option of the system virtual machine installed in the virtual machine, and select Host-onlyAdapter to set the ip address of the virtualbox virtual network card. Remote Installation to the system