Setting Up Centos

Developers who have done CMS know that in the LAMP environment for background login and upload files are prone to problems in two places, and mostly because of PHP configuration issues, so make PHP optimization is essential. For PHP optimization, the main parameters of the php.ini reasonable adjustments and settings, the following we take a look at some of the php.ini done CMS developers know in the LAMP environment background Login and upload files, is ...

Virtual set of CentOS 5.3 os. Download Jdk-6u16-linux-i586-rpm.bin [root@hadoop ~]# chmod +x jdk-6u16-linux-i586-rpm.bin [Root@hadoop ~]#./ Jdk-6u16-linux-i586-rpm.bin [root@hadoop ~]# java-version java ver ...

These days at the teacher's request, in three machines to build Hadoop environment and http://www.aliyun.com/zixun/aggregation/13713.html ">hbase environment, which encountered a lot of problems, until today the basic operation of success." 　　Configuration details are not discussed here, but the issues needing attention are listed for reference. Three machine time synchronization, Firewall (iptables) shutdown settings hostname. For Debian, modify/...

By means of PPPoE xDSL access to the network of users, each access to the IP address is changed. We can not let other people use IP address to access our server, and ordinary free http://www.aliyun.com/zixun/aggregation/21602.html "> two domain name and can not cope with the real-time server IP changes." Therefore, the need to apply for a dynamic domain name, through the service to the domain name point of real-time control, regardless of the server IP address how the change, ...

Usermin 1.480 This version contains Address book import support to prevent the message from appearing as an inline picture, setting more sensible automatic reply defaults to prevent mail loops and increasing the German translation update. Usermin is a web interface that can be easily used by any user on UNIX systems to read messages, set up SSH, or configure mail forwarding. It can be seen as a webmin simplified ordinary user rather than http://www.aliyun.com/zixun/aggregati ...

Pidgin is an IM tool that supports several common instant messaging protocols. Linux is the main http://www.aliyun.com/zixun/aggregation/34880.html "> Instant Messaging Tools. Version 2.7.9 (12/26/2010) Update: · Msn:fix cve-2010-4528, a crash when receiving sh ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall Linux system in the domestic and foreign server and the VPS application is very ordinary, including recently more popular cloud host, like Aliyun, Sheng, million net cloud host and so on, the default is the Linux system, its characteristic is the relative Windows system more stable, Execution is more efficient, more appropriate to do cluster server load, the domestic large-scale portal station is almost all this platform, the most important thing is that no authorization for free. Open source System. Foreign and large domestic idcwindows is required royalties ...

Recently MongoDB in hack news is frequently shot. Many people even claim to hate Mongodb,david Mytton on his blog to expose MongoDB many existing problems. But those who hate have a lot in common, as a comeback: Russell Smith brings a summary of years of work experience. Russell Smith has worked as an OPS and a large website scaling advisor and has helped Guardian, Experian and many other companies, MongoDB Lond ...

Unlike Linux distributions such as Redhat, Fedora and CentOS, the RPM package is used, http://www.aliyun.com/zixun/aggregation/33836.html "> Debian and Ubuntu use a Deb-formatted package. This section will cover several of the most important issues in mastering its usage. How to manually install Deb in general, there are two ways to manually install the Deb file. The first is to use the file you downloaded to the hard disk beforehand ...

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. In Java? The programming language writes the complex MapReduce program to be time-consuming, the good resources and the specialized knowledge, this is the most enterprise does not have. 　　This is why building a database with tools such as Hive on Hadoop can be a powerful solution. If a company does not have the resources to build a complex ...