Cloud Applications

I. Overview Linux provides multiple features to implement file locking. The simplest method is to create a lock file through atomic operations. The so-called atomic operation is I. Overview Linux provides multiple features for file locking. The

Function libraries can be divided into static libraries and dynamic libraries. Create a Linux static library and a Linux dynamic library and use them here. The static library will be connected to the target code during program compilation. this

1 Overview before analyzing the implementation of LINUX24x network security, we will briefly introduce several important concepts in LINUX24x: netfilter, iptables, match, target, nf_sockopt_ops 1. Overview Before analyzing the implementation of

In this article, we compile the echo server sample program. when the client data is received, the server sends the data to the customer without processing, and uses TCP connection and port 8080 for design. This article is a sample echo server

1. configure the JAVA operating system version for Ubuntu: Ubuntu710GutsyJAVA version: it is very easy to install JAVA virtual machine and SDK (SDK) in Ubuntu. 1. configure the JAVA environment for Ubuntu Operating system version: Ubuntu 7.10

Recently, I found that many colleagues, especially our PHP developers, basically do not use shortcuts in Linux/unix, which seriously affects work efficiency, after each usage, I will describe it in detail. All of the following commands are valid in

& Nbsp; log on as an administrator. open the terminal and enter & nbsp; 1, # arp-a & gt; /etc/ethers & nbsp; import the ip address and mac address to ethers & nbsp; 2. # vi/etc/ethers & nbsp; & nbsp; Log on as an administrator and enter 1. #

Xampp (linux) comes with proftpd, but as a test environment, this service is not required. The official instructions provide a simple way to close the service. After xampp is started and xampp is started again after./lamppstopftp is executed, there

Change to ubntu9.1064-bit. as web workers, apache, php, and mysql must be installed. in win, xampp is used to. why not install xampp one by one on servers, of course, xampp also has the linux version, xamppforlinux or lampp. The installation is

As mentioned above, it is still complicated to configure the Apache + PHP5 environment or Nginx + PHP5 environment in the production environment, that is, the familiar LAMP or NAMP architecture, even if you follow the detailed deployment

1. description:/etc/security/limits. conf is the configuration file of/lib/security/pam_limits.so in LinuxPAM (plug-in Authentication Module, pluggableauthenticationmodumodules. 2. for example, the maximum number of users allowed to log on to

Nginx is a high-performance, high-performance Web and reverse proxy server with many excellent features: Nginx is a good alternative to Apache server in the case of high connection concurrency: nginx is one of the software platforms that bosses

Software Environment: RedHatLinux9 on the Squid homepage www.squid-cache.org download the latest Squid2.5-STABLE5 for compilation. Step: 1.download the latest source file squid-2.5.stable5.src.tar.gz and place it in the/usr/local directory. 2. log

First, the source code packages such as php5.3, apache2.3, apr, curl, apr-util, and pcre are provided. The installation process in Linux is as follows: 1. installation preparation. First install the toolkit: apr :. /configure --

The following is reverse resolution based on RedHat5 or CentOS system (IP192.168.1.2 domain name is www.linuxidc.com). to ensure successful construction, please do not miss any steps. The following is a detailed step-by-step command can also ensure

Create script/root/script/backup. sh # This script has been applied to more than 10 common Linux application servers and has never experienced any errors over the years. # Database Backup is special. database backup is not included here. # Because

I. Preface & nbsp; Haproxy is a stable, high-performance, and high-availability load balancing solution, it supports HTTP and TCP proxy backend server pools. it is widely used as an HTTP reverse proxy because it supports powerful and flexible layer-7

The function of compressing CSS and JS into gzip has been tried before. it is good. But the following one. the htaccess static and manual compression method is troublesome but super efficient, and has good compatibility and better performance. it

1. linux: you must enter your account. during system installation, you can create the following two types of accounts: 1. root-super user account (System Administrator), which can be used to do anything in the system. 2. common users-this account is

Environment: centos5.4 & nbsp; cacti Server Address: 192.168.1.1001. use yum source to automatically install rrdtool (for plotting) # vi/etc/yum. repos. d/dag. repo [dag] nameDagRPMRepositoryforRedHatEnterpriseLinuxbaseurlhttp: // apt Environment: