zirtual alternatives

I. Functional roleUpdate-alternatives is a utility for dpkg that maintains symbolic links to system commands to determine what commands the system uses by default.In the Debian system, we may install a number of similar programs and optional configurations, such as Web browser programs (firefox,konqueror), window managers (Wmaker, metacity), and different themes for the mouse. In this way, users can choose when they are using the system to meet their

Last week when installing the search engine Elasticsearch, asked to install a newer version of Java, I chose Java 1.8.0, the installation of Java after the successful use of java-version found that the version is still 1.6.0,Some information was queried to find that the version of the selected software could be replaced with the Linux Alternatives command.DescriptionAlternatives--install whichInstall indicates installationLink is a symbolic linkName i

update-alternatives--Management soft Connect/Word linked (Symbolic links) Command format update-alternatives [Options] Command Detailed description Update-alternatives can be created, deleted, repaired, soft-connected, and can display information about existing soft links, all of which constitute the Debian alternative system (

Ubuntu update-alternatives (soft connection management), ubuntualternatives Update-alternatives-manage soft connections/character links (symbolic links) Command Format Update-alternatives [options] command Detailed description Update-alternatives can be used to create, delete, repair, and soft connections. It c

Alternatives is a powerful command under Linux. Can only be performed under root permissions. If there are several commands in the system that are very similar, but cannot be deleted at will, then you can use alternatives to specify a global setting. Alternatives is often used to install multiple versions of the same software in the same system. For example, in

SPRINGMVC configuration of alternatives custom Dispatherservlet configurationThe three methods we wrote earlier in Spittrwebappinitializer are simply the abstract methods that must be overloaded. However, there are many more ways to overload, allowing for additional configuration.For example, Customizeregistration (). This method is called after Abstractannotationconfigdispatcherservletinitializer will dispatcherservlet the main lane servlet container

Alternatives is an important version management tool under UNIX, which was first seen in the Debain system, because its powerful usability makes it a large number of porting in various UNIX environments, And we probably most often use the Java OPENJDK Toolkit in the usual version of the conversion, and in the alternatives implementation of multi-version is the replacement system using the command link to im

Update-alternatives is a tool dedicated to maintaining the system command link in the Ubuntu system, which makes it easy to set which command the system uses by default, which software version , for example, we install both open jdk and sun in the system JDK two versions, and we want the system to use the sun JDK by default, what to do? Through the update-alternatives can be very convenient to achieve.sudo

Alternatives is a powerful command under Linux. Can only be performed under root authority. If there are several command functions in the system that are very similar, but can not be arbitrarily deleted, then use alternatives to specify a global setting.Alternatives is commonly used to install multiple versions of the same software on the same system. For example, in order to develop the need, I need to ins

Alternatives command usage Alternatives is a powerful command in Linux. It can only run under the root permission. If the system has several commands with similar functions but cannot be deleted at will, you can use alternatives to specify a global setting.Alternatives is often used to install multiple versions of the same software on the same system. For example

Alternatives command usage Alternatives is a powerful command in Linux. It can only be executed under the root permission. If the system has several command functions that are similar but cannot be deleted at will, you can use alternatives to specify a global setting. Alternatives is often used to install multiple vers

In Java, it is forbidden List to define this list array structure.However, there are some other ways to implement a list array.First, use node to list Wrap it up. public class GenericArray {static class Node { public ArrayListSecond, let node inherit List static class nodenode extends ArrayListThird, the use ListStructure Slightly Several alternatives to implementing list arrays in Java

Tags: blog http file ar 2014 problem div html logHome: http://hddb.xp-zed.com/index.htmlTo put it simply, Hddb is a file search tool for NTFS disks, which initially mimics everything, but solves some of everything's most unpleasant problems: Everything usually rebuilds the index when the program starts (if it feels it needs to be rebuilt), but we open the program to find the file, often just when we need it, it doesn't let us search. HDDB Rebuild index is completely manual trigger, if you

Reprint: http://blog.csdn.net/maixia24/article/details/11707289Update-alternatives is a tool dedicated to maintaining the system command link in the Ubuntu system, which makes it easy to set which command the system uses by default, which software version, for example, we have both open jdk and Sun JDK Two versions installed in the system. And we want the system to use the sun JDK by default, what should we do? Through the update-

Update-alternatives command 1. Functions Update-alternatives is a dpkg utility used to maintain symbolic links of system commands to determine which commands are used by default. In the Debian system, we may install many similar programs and optional configurations at the same time, such as the web browser program (Firefox, Konqueror), Window Manager (wmaker, metacity) different theme from that of the mo