Ubuntu Rules

The easiest way to install the JDK under Ubuntu is to use the APT install command, but the JDK installed is often not the latest version, and to install the latest JDK you need to go to Sun's http://www.aliyun.com/zixun/ aggregation/11307.html "> Download the official website. But the Sun's website has only rpm and bin two formats, and there is no Deb format used by Ubuntu, which requires us to use the Ubuntu conversion ...

In Linux (and normal Unix), the name of the superuser is called Root. Windows corresponding to the root account is the Administrator. Super users can do anything, so the superuser becomes dangerous in their daily work. You can enter a wrong command to destroy the entire system. Theoretically, the user you run should have just the right to the task at hand. In some cases, it requires root, but most of the events are normal users. Ubunt ...

In 2006, Taiwan's http://www.aliyun.com/zixun/aggregation/7155.html "> Developers" (pseudonym PCMan) launched the first set of open source components (called the PCMan File Manager), began the so-called " Lightweight X11 Desktop Environment "(ie LXDE, based on the gtk++ 2, comply with the GPL V3 rules) of the global development boom, the move out of hand. In fact, since society has such practical needs, such as laptops, MI ...

Psensor is a graphical hardware http://www.aliyun.com/zixun/aggregation/18442.html "> Temperature sensor monitoring Tool, based on Linux Lm-sensors and GTK libraries." Psensor is a small tool for monitoring hardware temperatures under Linux. You can set thresholds and issue alarms when thresholds are reached. Add a specific icon for the Ubuntu application indicator, change Ubuntu ...

C + + Library source code is located in: &http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; Hadoop-2.4.0-src/hadoop-hdfs-project/hadoop-hdfs/src/main/native/libhdfs here provides a direct compilation of these source files makefile, compiled will be packaged ...

In the work life, some problems are very simple, but often search for half a day can not find the required answers, in the learning and use of Hadoop is the same.  Here are some common problems with the Hadoop cluster settings: 3 models that 1.Hadoop clusters can run?  Single-machine (local) mode pseudo-distributed mode 2. Attention points in stand-alone (local) mode? There is no daemon in stand-alone mode (standalone), ...

In the work life, some problems are very simple, but often search for half a day can not find the required answers, in the learning and use of Hadoop is the same. 　　Here are some common problems with the Hadoop cluster settings: 3 models that 1.Hadoop clusters can run?  Single-machine (local) mode pseudo-distributed mode 2. 　　Attention points in stand-alone (local) mode? In stand-alone mode (standalone) ...

When it consulting firm Opencredo plans to deliver three new applications to a major insurer in seven months, it has set itself three goals: shortening development time, allowing frequent customer changes, and architecting a system that can handle unpredictable traffic spikes. CEO Russel Miles believes that with the help of cloud foundry open source framework and other Open-source software, Opencredo has done "some heavy work", such as configuring virtual machines and adjusting storage volumes ...

Microsoft's early open source software compared to the "stingy" this matter is not less than the external criticism of its reputation has a certain impact. But corporate restructuring may give it a more positive open source attitude. 　　CNET reports on Microsoft's cognitive and behavioral changes, especially when it comes to open source software. CNet: The bumps between Microsoft and open source are not going to be solved overnight. Rome Rome, but the scene of the senior manager leading the anti-source organization is no longer. Open source, is now commonly used by companies around the world, Microsoft has previously been a self-proclaimed not ...

Today, open source firewalls are numerous. 　　This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The function is to filter packets from the network stack in the kernel, including: listing the contents of the packet filtering rule set, and executing fast because it only checks the header of the packet, and the administrator can ...