Use alternatives to convert the java version-general Linux technology-Linux programming and kernel information. The following is a detailed description. After jdk was installed, java and javac were replaced with the java and javac of gij in/usr/bin.
Some people on the Internet said that they could use a tool named alternativs to migrate the software version in linux. They decided to use alternatives to mig
Figure 1
If you do not like to use the Ubuntu Server command line, the following content will surprise you. We can also use a graphical interface to manage the command line system. There are also many remote graphical management software, such as SSH Secure Shell Client,FileZilla.
Using a graphical interface is easy to operate, but it also has to pay the price-you cannot operate files other than the user's permissions, which greatly limits its practic
Many friends may need FTP server software in practical applications. There are many such software, including Serv-U and G6. Here we will introduce filezilla server to you, windows is a good FTP server software, which is free and open-source.Filezilla Server is a software in the filezilla project. This project also includes filezilla's FTP client. The official website is http://filezilla.sourceforge.net/. yo
Tian haili @ csdn
Different Android platforms use different JDK versions during compilation. For example, froyo (2.2) and its earlier versions require JDK; gingerbread and later versions require JDK. If you want to build different platform projects in an environment, you need to install different JDK. It takes time and effort to install JDK repeatedly during project switching. Update-alternatives provides a solution for this situation.
This article
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
This article turns from guihua_wulipcy http://blog.csdn.net/u010376274/article/details/56479707 thanks to the author ~
To do undergraduate teaching assistants, the boss let configuration of an FTP data transfer work, find a Windows Server tinkering, began to follow the online tutorial configuration special trouble, Josesi said with FileZilla more convenient, go to filezilla official website download
From: http://ce.sysu.edu.cn/hope/Item.aspx? Id = 77421
In fact, you can set up FTP in windows and use Microsoft's own tape. There is no need to use other software. However, in order to be universal, you can also use other software.
Preface
This article is only suitable for our technical tips. Please ignore it.
1. Requirement Analysis
To improve efficiency, complete website assignments at the end of the period, set up FTP, and share resources in the group.
2. Required Software
0.Description of resumable data transfer and Garbled textQ: I heard that filezilla cannot be resumed? A: That's the old version. Now the new version is okay.Q: I heard that filezilla has garbled characters in processing Chinese files. A: This is the case, but it is not a bug. For the reason, see solution 3. First, if you respect the standards, you can use filezilla's server and client at the same time. Seco
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I typed:sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/ jdk1.8.0/bin/java" 1It ' s says alternatives--install needs link name path priorityCommand-Line Edubuntu
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Edited Jul 5 ' + at 17:48 Guntbert4,344
Asked Jul 5 ' + at 16:22 Swapnil18
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
View the location of the Java commandFind the soft link location for/etc/alternatives/javaIt allows us to see all the optional commands for a command. Execute code:There are two types of alternative: automatic and manual. The initial state of each alternative is automatic, and if the system discovers that the administrator has manually modified a alternative, its status is automatically changed to manualView the current Java versionMy JDK is in this f
Previously, the jdk of ubuntu was installed with the apt-get install command. The default installation is openjdk, and the path is/usr/lib/jvm /. If you need to switch or upgrade the java version, you can use update-alternatives. Of course, you can uninstall and reinstall it, or you can install it by setting environment variables. This section describes how to install update-alternatives.Since the development of Linux, there have been a lot of availab
Download FileZilla ServerDownload the installation package from the FileZilla website (Chinese. FileZilla download address: https://www.filezilla.cn/download1) for FileZilla clients and servers, click "Download" from the server 」.2) select "FileZilla Server
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
In the past two days, I wanted to develop the android development environment in Linux, But I encountered a big problem when installing Sun's Java 6.
The source cannot be found.
The final installation method is to download the binfile of Java 6 on the official website, modify the/etc/profile file, and specify the location of Java, so that the Java command is available.
Then you need a command to specify which software the Java command is provided, that is, the default software. The reason for th
FileZillaIt is a fast and reliable FTP client and server-side open source code program with a variety of features and intuitive interfaces. FileZilla Server is a software in the FileZilla project.
Many friends may need FTP Server software in practical applications. There are many such software, including Serv-U and G6. Here we will introduce FileZilla Server to y
FileZillaIt is a fast and reliable FTP client and server-side open source code program with a variety of features and intuitive interfaces. This article analyzes the source code of FileZilla.
When creating (), CServer listens to the standard FTP port 21 through CListenSocket and listens to the admin port through CAdminListenSocket (default: 14147). Both classes inherit from CAsyncSocketEx, this class is the base class for all socket processing in
Figure-FileZilla
FileZillaInstall components:
Accept the default options, as shown in.
1st items are equivalent to the main program and must be;
The configuration page (user/directory/permission) is required. Unless you are willing to study and hand-write xml files.
Installation Method
Is
Q install FileZilla Server as a service and start it with Windows
Q install File
Use the update-alternatives command in Linux, updatealternatives
Personal blog address: http://www.cnblogs.com/wdfwolf3/
Update-alternatives is a command used by the ubuntu system to switch the software version. For example, if there are several jdk versions in the system, map the directories where these commands are located to a unified system directory as links, and then manage them through update-
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