Cloud Applications

Nginx (enginex) is a high-performance HTTP and reverse proxy server and an IMAP/POP3/SMTP proxy server. Nginx is developed by the Rambler.ru site, where IgorSysoev is the second highest traffic in Russia. it has run many times on this site... nginx (

1. the larger the worker_processes, the better (the higher the performance after a certain number is not obvious) 2. worker_cpu_affinity all CPUs share worker_processes, which is better than every worker_processes for cross-cpu allocation. If php

Nginx only allows some domain names to access other domain names and cannot access them all. how do I write this? For this problem can refer to the official document Incatch-allserverexamplesthestrangename_canbeseen: server {listen80default _...

Ubuntu10.04 how to install VMwareTool in VMware7 and how to enable full screen first? on the vmware menu bar, choose VM -- & gt; VMwareTools -- & gt; InstallVMwareTools. in the displayed dialog box, select install. In this case, the Ubuntu system

In linux, the sudo configuration uses Sudo, which allows a user to execute certain commands as a super user and other users to execute some commands & mdash; this is especially useful for system management. The prerequisite for using sudo is that

In the Linux driver design, the blocking and non-blocking wait queues can be used to implement process blocking. the waiting queue can be seen as the container for storing the process. when the process is blocked, put the process into the waiting

Ubuntu 64-bit Error: FailedtocreatesdcardintheAVDfolder solution the following problem occurs when you use Ubuntu12.0464-bit to create a simulator: Error: FailedtocreatetheSDcard .... Ubuntu 64-bit Error: Failed to create sdcard in the AVD folder

Ubuntu12.04 install kvm to solve VirtualMachineManager startup error 1. directly install kvm in the new software installation package manager. 2. install virt-manager (VirtualMachineManager) in the same way ). 3. create a libmongod group, and set

Configure pacman in ArchLinux. conf does not upgrade one or more software packages. The pacman configuration file is located in/etc/pacman.confwww.2cto.com in ArchLinux. generally, we always use pacman-Syu to update all software packages when

In Linux iptables, the NAT configuration can be used by one server to access the Internet, and the other server to access the internet. However, if one of them is a Linux system, it will be easy. Configure iptablesNAT. Step: 1. After net. ipv4.ip.

Vncviewer remotely links to desktop linux1 and enables vnc on the server (1) Check whether vnc is installed [root @ localhost ~] # Rpm-qa | grepvncgtk-vnc-0.3.2-3.el5vnc-4.1.2-14.el5vnc-server-4.1.2-14.el5gtk-vnc-python-0.3.2-3.el Vncviewer remote

Linux file attributes. files starting with ls are regarded as hidden files and cannot be seen only by using ls commands. in addition to displaying common file names, ls-a can also display hidden files. Www.2cto. comls-l (this parameter is a small

The cpu usage of the aix system is too high. we found that the cpu usage of oracle is too high today. as long as oracle is used on the machine, it should be caused by SQL statements, it was caused by an SQL statement. The specific operation is as

A Linux command that monitors the number of connections on a port first creates a script file. we will call it count_conn #! /Bin/shnetstat-anp | grep: $1 | awk & amp; #39; {print $5} & amp; #39; | awk-F: & amp; #39; {print $1} & amp; #39; | sort |

Common linux compression commands (I) Principles of compression technology: -- Principle 1: because 1byte8bit, eight memory units are contained in each byte, and each memory unit can be 0, 1. When we record the number 1, seven bits should be empty.

Installation and usage of rz/sz in Linux 1) tool description in ssh login software such as SecureCRT, you can input the rz/sz command on the Linux interface to upload/download files. for RHEL5, rz/sz is not installed by default, so Manual

How to use Lsof to restore accidentally deleted files in Linux: stores the directory and name of the process in the/proc partition of Linux, including fd (file descriptor) and its sub-directories (links to the process to open files), if a file is

To introduce in detail how to use Linux redirection refers to modifying some of the original default items and changing the default execution mode of the original system commands, for example, if I don't want to see the output on the monitor, but

Objective c () cannot be redirected. it has been entangled for two days. Fortunately, google has found a useful article: String [] cmd {sh,-c, tcpdump-vv-l/sdcard/lishuo2.txt}; Runtime. getRun Objective c () cannot be redirected. it has been

1. when the boot starts, you can see the boot directory BootingCentOS (2.6.18-238. el5) in3seconds..., and then press "e ". 2. next, you can see the next screen and select "CentOS (2.6.18-238. el5), and then press "e3. next you can see another