Cloud Applications

Kanwi.cn has a web server with a daily traffic of about 0.1 million. There are several virtual hosts on it. recently, Squid2.6 has been installed for WEB acceleration. Squid and Apache are both on the same server. The effect is very obvious, many

& Nbsp; office software No. 1 in Linux. Sun has released the test version OpenOffice3.0 for public testing. This beta package will support the OpenDocumentFormat (ODF) 1.2 standard to be released. you can enable Microsoft toffice2007 and

& Nbsp; (1) when the startup level is 2345, chkconfig closes the ftp service: [root @ RHEL4etc] # chkconfig -- level2345vsftpdoff displays the startup status of each service at different levels: [root @ RHEL4etc] # chkconfig -- list scripts for

The kernel directory kernelmath contains the math coprocessor simulation code file, which contains 9 C language programs. See Table 11-1. This chapter is closely related to the specific hardware structure. The kernel directory kernel/math contains

Cron is used to schedule duplicate tasks. the linuxat command is used to schedule one-time tasks within the specified time. To use the linuxat command, you must install the atRPM package and Cron is used to schedule duplicate tasks. The linux at

This article lists the tail commands in the linux file creation command to teach you how to use the tail command to create a self-decompressed tar file. The Tail command parameter has a parameter-n, -- linesN, which can be directly output by This

Logs are very important for security. they record various events that occur in the system every day. you can use them to check the cause of the error or the traces left by the attacker when the system is attacked. The main functions of logs are

In fact, it is not difficult to compile the kernel. if you can follow the correct method, it will take up to one and a half hours to complete. is it very encouraging. Bytes In fact, it is not difficult to compile the kernel. if you can follow the

To remotely install FB through PXE + NFS, you need A host A with TFTP + DHCP-Server + NFS installed. The NIC of host B must be started in PXE mode. 1. configure TFTP + DHCP-Server + NFS on host A: & nbsp; 1) configure TFTP: & nbsp; & nbsp; & n To

In Ubuntu, use Squid to set a server as a proxy server. first install squidsudoapt-getinstallsquid and then check that squid is installed there and whereissquid is used to modify the squid Configuration file sudogedit/etc/squid. conf and then go to #

Lighttpd is a secure, fast, compliant with standards, flexible, and optimized web service software for complex network environments. This article describes how to install Lighttpd and MySQL support for HPH5 on Centos5.2. 1. install MySQL [root @

Sometimes, we do not want some software to be automatically updated to the latest version. So, how to prevent yum from automatically updating apache, php, mysql, and so on? Method: vi/etc/yum. conf adds the following line in [main]:

& Nbsp; most of the Linux server releases offer better performance than the proprietary system. However, this does not mean you can rest assured that you do not need to optimize the server performance. In fact, there are always some ways to improve

If you are a web administrator, you will find a problem after installing ubuntu11.04. in ubuntu11.04, run the command to install lamp or lnmp host, php. the ini address has changed. her path is/etc/php5/fpm/php. ini, this is easy to do. enter the

The following Installation Manual is what I did in the first version of hadoop, and it is not in line with the current hadoop 1. Preparation: Download hadoop:

If you use YUM to install software, you don't need to look for the dependency RPM everywhere. Very convenient. Step 1: install yum Step 2: Download the createrepo package and install ftp: //

D-RecoveryForLinux features 1. deletion and restoration of Ext3/Ext4 have been hard to implement since ancient times. The only hope is to find the residual inode information from the log (Journal) file. Before the advent of D-RecoveryForLinux, some

Use the following method to set the socket to non-blocking intflagsfcntl (socket, F_GETFL, 0); fcntl (socket, F_SETFL, flags | O_NONBLOCK ); set the socket to non-blocking intflagsfcntl (socket, F_GETFL ,... Use the following method to set the

When the partition space of your system reaches 90% or more, you do not want to search one by one when you need to clean up a disk, you can use the following shell scripts to filter the largest mount point msg 'df-k | awk & amp; #39 ;{ print $6} &

In linux low-level file programming, file locks are an important part of multi-user multi-task operating systems. When updating a file, you expect to use a mechanism to prevent both processes from simultaneously updating the file in the same region,