Openjdk is usually installed in Linux. However, in development, sunjdk is required in some cases. In this case, you can only uninstall openjdk and install sunjdk.1. query existing installation versionsRpm-Qa | grep JDK2. Uninstall openjdkSudo Yum-y
From http://blog.csdn.net/ghj1976/article/details/5543428
First, we should have a certain understanding of JDK, JRE, and JVM. The following figure can clearly express their relationship: Relationship between JDK, JRE, and JVM
A more
1. Show row number in Aptana: Right-click the left column and select the row number.
Ii. Install Ubuntu software in/usr/local or/OPT because the/home directory space is not very large.
The downloaded large files are saved under the Windows drive
Windows and Linux have their own advantages. They can be installed on the same computer, but they need to be restarted. At the same time, we have two computers, one with win and one with Linux, which is naturally very good, but there are not many of
First, build the android compiling environment.
(1) install and configure Java 5
1. install Java 6 First (Java 5 is required for Android compilation. This is recommended here)
Open the terminal, run the following command, or use adept/new software
First download jdk-7-linux-i586.tar.gz on the official website
Enter the command tar-zxvf./jdk-7-linux-i586.tar.gz in the terminal
Then sudo mkdir/usr/lib/JVM
Then sudo mV./jdk1.7.0.03/usr/lib/JVM/
Then set the environment variable
Sudo VI ~ /.
1. Download jdk1.6linux from the official Oracle website.
Is:
Http://download.oracle.com/otn-pub/java/jdk/6u32-b05/jdk-6u32-linux-i586.bin
2. The downloaded file is a jdk-6u32-linux-i586.bin file, which can be directly executed with the suffix
Source: http://hi.baidu.com/lianwei64/item/5e006fe783232107570f1df6
For more information, see the following section ~
We will follow suit in step 5 ....
If you do not use the root user to log on, you do not have the permission to mount the file.
(1) download JDK Based on Linux. This is also required for the development of the. APK application in eclipse. Run the: APT-Get install sun-java5-jdk in the terminal and run javac-version after installation to verify that the installation is
Make full use of subjective initiative when resources are insufficient.
You do not have the root permission for the test machine. To use a Python script to perform a stress test on the database, you can only install it in your own directory.
During CP overwriting in RedHat, No matter what parameter-F is added or whether the request is overwritten or not, this is intolerable when writing scripts or a large number of CP overwriting operations...
Try to explain this problemCreate an
Update Linux GCC to GCC 4.4.2
First need to prepare required materials: gcc4.4.2 version need to install gmp4.2.0 + and mpfr2.3.0 +, to the site of GMP (http://gmplib.org/fuse download gmp-4.3.1.tar.gz and MPRF sites (http://www.mpfr.org/fuse
The examples in this paper describe the methods of Python's implementation of tab completion and Historical command management. Share to everyone for your reference. The specific analysis is as follows:
Python's startup file, which is the
BASH: * *: Command not found, the system many commands are not used, are prompted not to this command. All of a sudden, Linux has many commands that are not used, prompting for no such command.This should be caused by a problem with the system
1. GDB: The Flash builder simulates the program running on the client. When the server is suspended in the memory, debugging is required if a request is sent and a module in the program is not running properly, GDB is a good tool. Common commands
Reprinted: http://www.zzzyb.com/html/fuwuqijishu/Linux/20090822/13345.html
Thanks to the original author!
Bytes -----------------------------------------------------------------------------------------------------------------
1. First install some
Solve the Problem of invalid installing Zsh in Bash On Ubuntu On Window. Attachment installation instructionsPreface
Zsh is a great Shell. People who use Linux and Mac systems basically know the existence of zsh.Problem
After Zsh is installed, zsh
Ubuntu environment configuration Summary: (7) Configure AndroidStudio and androidstudio
1. The gradle download fails when a new project is built.
When creating a new project, you are prompted to keep downloading gradle, but the download is not
Today, I copied a folder on my VPS, but there is a folder with the same name and there are files in it. If I copied it directly, there are N prompts to confirm the replacement, press CTRL + C and search for it on the Internet. Several solutions are
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