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
After the installation of Ubuntu, found that the GUI connection of the graphical interface no matter how, depressed for several days, think about moving 120 hours a month of traffic is not wasted. Just when I wanted to return to the Windows system, I found a good way to manually set up a DSL, thanks to the author of the Notes of frozen kernels (I think it is called frozen benevolence bar), the following is the detailed method.0x00: Install pppoeconfsu
In the previous sections, we introduced some basic knowledge about vs.net DSL with the default project we created, including domain classes, domain relationships, graphical symbols, and graphic ing, these things may seem abstract and have no direct relationship with the requirements described in section 2, but these concepts must be mastered before developing our own DSL. If you are not familiar with the re
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
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-
Currently in the traditional software development domain DSL has been more common, especially Martin Fowler's outstanding contributions. But in the front-end area is still less involved, and if the use of DSL in front-end development can also effectively reduce the number of code, improve readability . A common scenario is the building of a front-end template, which is essentially a micro-language, so you c
OrderLine (3, Product. find ("LGV "));O1.addLine (line3 );Line2.setSkippable (true );O1.setRush (true );}FluentInterface refers to the following style: private void makeFluent (Customer customer){Customer. newOrder (). With (6, "TAL "). With (5, "HPK"). skippable (). With (3, "LGV "). PriorityRush ();}The code in this form is short and clear, and the meaning of the expression is clear. Even domain experts can understand that Martin Fowler classifies this form as an Internal
WiMAX is called World Interoperability for Microwave Access, that is, global Microwave Access Interoperability. As a wireless MAN technology, WMAN is a new air interface standard for microwave and millimeter wave frequencies. It is used to connect 802.11a Wireless Access hotspot to the Internet, or connect the company and the home environment to the wired backbone line. It can be used as a wireless extension technology for cables and DSL, known as "wi
Software factory + DSL: Microsoft's answer to MDA
Stephen swoyer
[2004/12/1]Two years ago, OMG launched MDA and used UML to automate software integration from applications, middleware, or custom components. Thomas Murphy, vice president of the Meta Group, a consultancy, believes that, to some extent, the concept of a software factory and a domain specific language (DSL)
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
By default, even with Java 1.6 version Java script jdk-6u31-linux-i586.bin, when Java is installed, it will automatically upgrade to a 1.7 version state. For some applications that need to be run based on version 1.6, a downgrade of 1.6 is required. There are two specific ways to do this:1. Use the alternatives command to implement.Alternatives is a powerful command under Linux, and can only be executed under root authority. If there are several comma
It was originally considered to be only a well-known attack Method Targeting websites. It can also be found to be applied to consumer-level network devices. NathanHamiel, founder of HexagonSecurityGroup, found that Cross-SiteRequestForgery (CSRF, Cross-Site Request Forgery) is also available on most domestic DSL routers.CSRF is not a new technology. As early as 1988, normhard discovered an application trust problem called confuseddeputy )". Both CSRF
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 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-alternatives can be very convenient to
http://persevere.iteye.com/blog/1479524Update-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-alterna
Since the development of Linux, there have been a lot of available software. In this way, some software functions are basically the same. For example, there are nvi, Vim, emacs, and nano in the editor. What I'm talking about is only part of it. In most cases, software with similar functions is installed in the system at the same time and can be executed using their names. For example, to execute vim, you only need to input Vim in the terminal and press Enter. However, in some cases, we need to u
Update-alternatives is a script for switching between multiple commands of the same type and can be installed in Debian via the Apt-get install dpkg. Before explaining the details of Update-alternatives, let's take a look at the examples already in the system. Open the terminal and execute the following command:LsResults: lrwxrwxrwx 1 root root 2011-03-12 15:20/usr/bin/java-/etc/
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