Remove Oracle Client

Here's an excerpt of the background, followed by a record of the operations I migrated from MySQL 5.5.31 to mariadb 5.5.31 on CentOS 6.4. 　　Finally, I found a better way to migrate. 1. Background introduction MySQL is the world's most popular open source relational database. 2008, Sun acquired MySQL. Then, in 2010, Oracle bought Sun, and MySQL fell into Oracle's hands. Oracl ...

The storage system is the core infrastructure of the IT environment in the data center, and it is the final carrier of data access. Storage in cloud computing, virtualization, large data and other related technologies have undergone a huge change, block storage, file storage, object storage support for a variety of data types of reading; Centralized storage is no longer the mainstream storage architecture of data center, storage access of massive data, need extensibility, 　　Highly scalable distributed storage architecture. In the new IT development process, data center construction has entered the era of cloud computing, enterprise IT storage environment can not be simple ...

Simply put, a cluster (cluster) is a group of computers that provide users with a set of network resources as a whole. These individual computer systems are the nodes (node) of the cluster. An ideal cluster is that the user never realizes the nodes at the bottom of the cluster system, in their view, the cluster is a system, not multiple computer systems.     And the administrators of the cluster system can add and revise the nodes of the cluster system at will. Below on the server commonly used three cluster software to do a comparative analysis of the introduction: 1 ...

The slogan "Replace PC" is not the slogan that cloud terminals start shouting first, but in recent years, because of the advent of cloud computing, this kind of vendors seem to suddenly see the best hope of replacing PCs, stick become cloud terminal. Early in the cloud terminal has many names, Oracle CEO Ellison called it NC (network computer), Google called it Chromebook, HP called it thin client, also become zero client. In addition, there are many it vendors are very optimistic about the industry, Dell just last month acquired the Wys ...

The scalability of the system is the main reason for promoting the development of NoSQL movement, including distributed system coordination, failover, resource management and many other features. That makes NoSQL sound like a big basket that can be stuffed with anything. Although the NoSQL movement does not bring fundamental technological changes to distributed data processing, it still leads to extensive research and practice on protocols and algorithms. It is through these attempts to gradually summarize some effective database construction methods. In this article, I will focus on the NoSQL database distributed special ...

The scalability of the system is the main reason for promoting the development of NoSQL movement, including distributed system coordination, failover, resource management and many other features. That makes NoSQL sound like a big basket that can be stuffed with anything. Although the NoSQL movement does not bring fundamental technological changes to distributed data processing, it still leads to extensive research and practice on protocols and algorithms. It is through these attempts to gradually summarize some effective database construction methods. In this article, I will focus on the distributed features of the NoSQL database ...

Liang Jianzhang Ctrip for the map IT industry legendary Liang Jianzhang back. April 25 this year, Liang Jianzhang as the CEO of Ctrip back to the public view, a person hold Live 4.4 Spring edition Ctrip Wireless app Conference audience. 　　Let the once-leading online tourism eldest brother Ctrip climb out of the mire of the heavy responsibility finally fell on the shoulders of Liang Jianzhang. May 8, Liang Jianzhang surrendered his return to Ctrip since March after the first "report Card": 2013 quarter, Ctrip total operating income of 1.2 billion yuan, continued to grow, up to 2.

Today, more and more big companies are tempted to apply the temptation of software vendors to start thinking about migrating large applications that run in private data centers to the cloud. and the business value of cloud computing, a variety of cloud service providers will often tell the enterprise: Cloud Computing can help enterprises to save costs, enhance IT systems and business flexibility, accelerate application deployment speed, enhance business innovation capability ... Compared to complex traditional applications, using cloud computing services is as easy as turning on an air-conditioning switch, and even corporate CMO and sales executives can handle it themselves. But in reality, corporate "Cloud Walk" ...

There are already more and more large enterprises can not help but the temptation of the software vendors, began to consider the original large-scale operation of the private data center applications to the cloud migration. As for the commercial value of cloud computing, all kinds of cloud computing service providers usually tell enterprises that cloud computing can help enterprises save costs, increase IT system and business flexibility, accelerate application deployment and enhance business innovation capability. More complicated than traditional applications, using cloud computing services is as easy as turning on the air conditioner switch, and even the corporate CMO and sales supervisor can ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall log is a very broad concept in computer systems, and any program may output logs: Operating system kernel, various application servers, and so on. 　　The content, size and use of the log are different, it is difficult to generalize. The logs in the log processing method discussed in this article refer only to Web logs. There is no precise definition, which may include, but is not limited to, user access logs generated by various front-end Web servers--apache, LIGHTTPD, Tomcat, and ...