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Environment is ubuntu14.04,jdk1.8.0_73, ActiveMQ-5.13.1 Download JDKHttp://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.htmlMkdir/usr/lib/jvmTar zxvf jdk-8u73-linux-x64.tar.gzMV jdk1.8.0_73/usr/lib/jvm/Mv/usr/lib/jvm/jdk1.8.0_73/usr/lib/jvm/jdk Installing the configuration JDKThe next time the terminal executes the following statementUpdate-alternatives--install/usr/bin/java Java/usr/lib/jvm/jdk/bin/java 1065Update-

Original address: http://www.linuxdiyf.com/linux/1794.htmlThe version of GCC used in Ubuntu is different from the release version, and when compiling the Android system different versions are recommended to compile with different gcc, so can you change the system's GCC to suit the needs of the Android build environment? The answer is yes.Let's see what the GCC and g++ are for our system.Gcc-vThe information you can get is as followsGCC version 4.4.6 (Ubuntu/linaro 4.4.6-11ubuntu2)What if we want

From:http://www.cnblogs.com/plinx/archive/2013/06/01/3113106.html1, to the Sun's official website downloadhttp://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html Select Accept License and select the JDK download that fits your model.2, unzip the file, modify the filenamemkdir/usr/lib/tar zxvf jdk-7u21-linux-i586. Tar.gz-c/usr/lib/jvm$ cd/usr/lib/mv Jdk1. 7.0_21 java 3. Add Environment variablessudo vim ~/.BASHRCAdd the following:Export java_home=/usr/lib/jvm/JAVA

-panelGnome-desktop-item-edit. --create-newsudo desktop-file-install XXXFixed ibus icon missingGconftool--type Boolean-s/desktop/ibus/panel/show_icon_on_systray TrueGconftool--type Boolean-s/desktop/ibus/panel/show TrueGsettings set Com.canonical.Unity.Panel systray-whitelist "[' All ']"Install JRE to run Cgoban Weiqi online gameUnzip: sudo./jre-6u31-linux-x64.binCopy: sudo mv jre1.6.0_31//opt/jre1.6.0Installation: sudo update-alternatives--install/us

1. Download JDK1.8:Http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 2. Unzip: sudo mkdir/usr/lib/jvm$ sudo tar zxvf jdk-8u25-linux-i586.tar.gz-c/usr/lib/jvm$ cd/usr/lib/jvm$ sudo mv jdk1.8.0_25 Java 3. Setting variables sudo vim ~/.bashrcexport java_home=/usr/lib/jvm/java export JRE_HOME=${JAVA_HOME}/JRE export Classpath=.:${java_home} /lib:${jre_home}/lib Export Path=${java_home}/bin: $PATH 4. Configure the default JDK sudo update-

yourself before, re-installed the Ubuntun system, to summarize this, may later useOperating system version: ubtun12.04Skype for installation:sudo add-apt-repository "Deb http://archive.canonical.com $ (LSB_RELEASE-SC) partner"sudo apt-get updatesudo apt-get install SkypeGit install:sudo apt-get install gitsudo apt-get install Git-coreRepo configuration:MkDir binPath=~/bin: $PATHchmod a+x ~/bin/repoSVN installation:sudo apt-get install subversionJDK Installation:Version: Openjdk7sudo apt-get inst

ppa:ubuntu-toolchain-r/test sudo Apt-get Update sudo apt-get install gcc-4.8 g++-4.8 sudo update-alternatives--remove-all gcc sudo Update-alternatives--remove-all g++ sudo update-alternatives--install/usr/bin/gcc gcc/usr/bin/gcc-4.8 sudo update-alternatives--install/usr/bin/g++ g++/usr/bin/g++-4.8 sudo update-

The version of GCC used in Ubuntu is different from the release version, and when compiling the Android system different versions are recommended to compile with different gcc, so can you change the system's GCC to suit the needs of the Android build environment? The answer is yes.Let's see what the GCC and g++ are for our system.Gcc-vThe information you can get is as followsGCC version 4.4.6 (Ubuntu/linaro 4.4.6-11ubuntu2)What if we want to use gcc4.5? First see if there is gcc4.5 installed,ls/

1. First install the custom JDK directory into alternatives[Email PROTECTED]:~/SRCANDROID/SRC4. 4. 4_r1$ sudo update-alternatives--install/usr/bin/java java/home/seven/documents/android/jdk1. 6 700[Email protected]:~/srcandroid/src4.4.4_r1$ sudo update-alternatives--install/usr/bin/javac javac/home/seven/ Documents/android/jdk1.6.0_45/bin/javac 700[Email protecte

The next day of contact with Hadoop, the configuration of Hadoop to the environment also took two days, the process of their own configuration is written here, I hope to help you!I will use the text to share all the resources here, click to download, do not need to find a!Among them is "the Hadoop Technology Insider" This book, the first chapter describes this configuration process, but not detailed ~---------------Installing the JDK-------------------------------1.Download jdk1.6.0_452. Unzip t

Error: ISO C + + does not allow the initialization of a very static member within a classstarting today to learn C + + primer, when involved in the sales_item.h header file, there are some problems (and c++11 new features related), the current compiler version is gcc/g++ 4.6.3, so need to upgrade. You can use the PPA to upgrade to 4.8.1, as follows:sudo add-apt-repository ppa:ubuntu-toolchain-r/testsudo apt-get update; sudo apt-get install gcc-4.8 g++-4.8sudo update-

Source/etc/profile Configure Default JDK version: sudo update-alternatives--install/usr/bin/java Java/usr/local/java8/jdk1.8.0_73/bin/java 300sudo update-alternatives--install/usr/bin/javac Javac/usr/local/java8/jdk1.8.0_73/bin/javac 300sudo update-alternatives--install/usr/bin/jar Jar/usr/local/java8/jdk1.8.0_73/bin/jar 300sudo update-

Install the JDK with CentOS today and find that when the installation is complete, enter the Java command to verify if the installation is successful.Usage:gij [OPTION] ... CLASS [ARGS] ...To invoke Class.main, orGij-jar [OPTION] ... Jarfile [ARGS] ...To execute a JAR fileTry ' gij--help ' for more information.Feel very strange, how to appear gij, in the online search error occurred because the Linux system is not the default point to the JDK version of the installation, so, to view the next[ema

Permissions: $chmod777 Jdk-6u45-linux-x64.bin Perform installation: $sudo./jdk-6u33-linux-x64.bin $sudo ./jdk-6u33-linux-x64.bin3.3 Configuring the JDK Open environment variable file $sudo gedit/etc/enviroment Add the following environment variables to save and exit: 1 path=$PATH: $JAVA _home/bin2 classpath= ".: $JAVA _home/bin"3 java_home= "/usr/ Lib/jvm/jdk1.6.0_45 " Association JDK6 $sudoUpdate-

Install the JDK with CentOS today and find that when the installation is complete, enter the Java command to verify if the installation is successful.Usage:gij [OPTION] ... CLASS [ARGS] ...To invoke Class.main, orGij-jar [OPTION] ... Jarfile [ARGS] ...To execute a JAR fileTry ' gij--help ' for more information.Feel very strange, how to appear gij, in the online search error occurred because the Linux system is not the default point to the JDK version of the installation, so, to view the next[ema

-alternatives -- install/usr/bin/Java/usr/lib/JVM/jdk1.6.0 _ 38/bin/Java 300Sudo Update-alternatives -- install/usr/bin/javac/usr/lib/JVM/jdk1.6.0 _ 38/bin/javac 300Sudo Update-alternatives -- install/usr/bin/Jar/usr/lib/JVM/jdk1.6.0 _ 38/bin/jar 300 After the three commands are executed, resources on the Internet can be automatically switched to jdk1.6.0 _ 38, b

Step 1: Download jdk-7-linux-i586.tar.gz [Plain] View plaincopy Http://download.oracle.com/otn-pub/java/jdk/7/jdk-7-linux-i586.tar.gz wget-C (Note: If the download fails, we recommend that you use thunder to download it and copy it to the Linux system .)Step 2: unzip and install [Plain] View plaincopy Sudo tar zxvf./jdk-7-linux-i586.tar.gz-C/usr/lib/JVM CD/usr/lib/JVM Sudo MV jdk1.7.0/Java-7-sun Step 3: Modify Environment Variables [Plain] View plaincopy Vim ~ /. Bashrc Add:[Plain]

=/usr/local/java/jdk1.7.0 _ 09PATH = $ PATH: $ HOME/bin: $ JAVA_HOME/binJRE_HOME =/usr/local/java/jre1.7.0 _ 09PATH = $ PATH: $ HOME/bin: $ JRE_HOME/binExport JAVA_HOMEExport JRE_HOMEExport PATH Save and close gedit, and then enter the following command: Sudo update-alternatives -- install "/usr/bin/java" "java" "/usr/local/java/jre1.7.0 _ 09/bin/java" 1Sudo update-alternatives -- install "/usr/bin/java

Configure JDK 1.8.0 _ 25 in Ubuntu 14.04 and switch the version. Configure jdk 1.8.0 _ 25 in Ubuntu 14.04. You can switch the version to jdk. Decompress: Sudo mkdir/usr/lib/jvm Sudo tar zxvf/home/user name/Downloads/jdk-8u25-linux-i586.tar.gz-C/usr/lib/jvm Modify the environment variable: // The environment variable is not configured after the test. After the configuration, the following command cannot be used to switch the version. Test method: Hadoop-2.6.0 with jdk1.8.25 compilation will be wr

the Alternatives command to install JAVA After the installation package is decompressed, you can use the alternatives command for installation. The alternatives command encapsulates chkconfig. cd /opt/jdk1.8.0_72/alternatives --install /usr/bin/java java /opt/jdk1.8.0_72/bin/java 2alternatives --config javaThere are 3