Installing JDK SE1.8 with CentOS
The Yum are usually installed through the OpenJDK
Typically used when developing on a Windows platform is SUNJDK
To avoid possible problems, uninstall your own OPENJDK installation SUNJDK
View the OPENJDK version first
Yum List installed |grep Java
Yum-y Remove java-1.6.0-openjdk.x86_64 Delete
Spent three days on Windows OPENJDK, not familiar with bash, plus a variety of inexplicable dependencies and script bugs, physically and mentally exhausted. Finally make all the time produced a inexplicable error said what has warning and-werror to true, dead or alive no Google to-werror is what ghost, had to forget.Today's rookie suddenly remembered, I also have Ubuntu virtual machine, right vote a try, did not expect easy success.Platform: Ubuntu Ve
View the JDK version installed by the system
[email protected]: ~# java-versionJava Version "1.7.0_79"OpenJDK Runtime Environment (IcedTea 2.5.5) (7U79-2.5.5-0UBUNTU1)OpenJDK 64-bit Server VM (build 24.79-b02, Mixed mode)2. Upload the JDK to the/OPT directory[email protected]: ~# cd/opt[email protected]:/opt# lsJdk-6u45-linux-x64.bin3. Modify the permissions of the JDK[email protected]:/opt# chmod +x J
1. Place your tar version of the JDK 2. Run the command: sudo gedit ~/.BASHRC To set the environment variable with gedit edit ~/.BASHRC: Export Java_home=/your/path/to/jdkexport jre_home= $JAVA _home/jreexport classpath=.: $JAVA _home/lib: $JRE _home/ Libexport Path=${java_home}/bin: $PATH 3. Run the command: sudo update-alternatives--install/usr/bin/java java/your/path/to/jdk/bin/java 300sudo update-alternatives--install /usr/bin/javac Javac/your/path/to/jdk/bin/javac 300 4. Run the command to
Debian (Wheezy) install Java environment/replace OpenJDK with SUN JDK
Debian (Wheezy) install Java environment/replace OpenJDK with SUN JDK
Because the project needs to install the Java environment on the machine.
1, go to the http://www.Oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html download, select the Accept License Agreement
Linux x64jdk-7u71-linux-x64.tar.gz
2, # Find a direct
path=Execute the following command to make the configuration effectiveSource/etc/profileNote: path= "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games" must be retained, Doing so will cause the system not to log in. You can also use another two configurations instead of the line configuration:5. How to unload your own OPENJDK:
sudo apt-get remove openjdk*
Because compiling Android source code requires openjdk1.7.x version. Ubuntu 16.04 comes with a 1.8.X version of OPENJDK.sudo apt-get install openjdk-7-jre or sudo apt-get install OPENJDK-7-JDKIf it appearsThere is no available package openjdk-7-jdk, but it is referenced by other packages.This may mean that the missing package may have been discarded, or it could
CENTOS6.4 installation configuration OPENJDK-7
Test Machine installation and configurationInstall centos6.4 mini
1000 words are omitted here ......
Disable selinux
Setenforce 0
Vi/etc/sysconfig/selinux --> diabledDisable iptables
Service iptables off
Chkconfig iptables off
NetworkingConfigure sohu yum SourceModify the system architecture and version number.
Sohu images are stable.
Not connectedConfigure local sourceAttach a Local CD to/mnt[Centos6.
Label:Reference article: Blog Park-three-dimensional antsLinux Commune1, first need to download the corresponding Platform Jdk:oracle official website2. Install the JDK using the Yum or RPM command:Yum install ./jdk-8u40-linux-x64.rpm3. After configuring the environment variable Vi/etc/profile, enter the following at the penultimate line:Export JAVA_HOME=/USR/JAVA/JDK1. 8 . 0_40export PATH= $JAVA _home/bin: $PATHexport CLASSPATH=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/ Tools.jarIf you need to
System V initial script), removing most of the environment variables, preserving only the Lang and term environment variables, and setting the current path to/, that is, running the service script in a very clean environment that can be predicted.So when the script is running, the environment variable cannot be found, so it is modified to the following script Catalina_home_data=/usr/local/tomcat/tomcat7.0start_tomcat=$CATALINA _home_data/bin/startup.sh stop_tomcat=$CATALINA _home_data/bin/shutd
Fedora 20 comes with openjdk, so if you install the official JDK, remove OPENJDK first, as follows:1:rpm-qa|grep jdk to view the current JDK situation.2:yum-y Remove Java java-1.7.0-openjdk* Uninstall OPENJDK, a process in which some additional software may be uninstalled for reasons of dependency.3: Go to Oracle websi
1. View Fedora's existing Java environment version
OPENJDK version "1.8.0_25" OPENJDK Runtime Environment (build 1.8.0_25-b18) openjdk 64-bit Server VM (build 25.25-b02, mixed Mode
2. Download Sun's latest jdk RPM versionA.: http://www.oracle.com/technetwork/java/javase/downloads/index.htmlThe latest version I downloaded here is jdk-8u25-linux-x64.r
First, download the source code, is through mercurial download the specific download command can see http://openjdk.java.net/projects/jdk7u/hereDownload by HG cloneI downloaded the version is openjdk-7u75-src-b13, this version may not be a stable version but as long as it can be compiled, the test can be used without error, of course, there are some code modifications, and business-relatedAnd then the environmental preparation.FreeType more than versi
Original address: Https://marcin-chwedczuk.github.io/debugging-openjdk8-with-netbeans-on-ubuntuThe overview is as follows:1 is of course download openjdk. I chose jdk8u, which is the mainstream version of the current major companies, in addition Jdk9 and JDK10 directory structure compared with the traditional directory structure has changed, from the existing data to find the relevant code will increase the difficulty. Two ways to download:1) HG clone
Tags: style blog color java div log SP workThe usual working machine is openSUSE 13.1. After replacing it with Oracle JDK, the INTELLJ interface became invisible, did not want to debug and then uninstalled the Oracle JDK and reinstalled the OPENJDK.[Uninstallation of Oracle JDK]1. Query Package NameRpm-qa | grep JavaThe name of the query to the Oracle JDK RPM installation package is Java-xxx-fcs.2. UninstallRpm-e Java-xxx-fcs3. Delete Related environm
Release date:Updated on:
Affected Systems:OpenJDKDescription:--------------------------------------------------------------------------------Bugtraq id: 67508CVE (CAN) ID: CVE-2014-0462OpenJDK is a cooperation Platform for open source implementation of Java Platform, Standard Edition and related projects.On Debian GNU/Linux and Ubuntu 12.04 LTS and 10.04 LTS platforms, OpenJDK 6 6b31 and earlier versions have security vulnerabilities. The details are
I installed sudoapt-getinstallnetbeans directly in Ubuntu10.04. It automatically downloads OpenJDK instead of Sun's JDK, while OpenJDK's fontconfig. the properties file has a problem with Chinese characters, which leads to abnormal display of Chinese characters. Fontconfig. properties location (default)/usr/lib/jvm/java-1.6.0-openjd I installed sudo apt-get install netbeans directly under Ubuntu 10.04, which automatically downloads
The Linux Server oraclejdk and openjdk coexist and configure the JavaEE development environment, oraclejdkjavaee
Due to my academic needs, I need to build a JavaEE development environment in linux and work with windows students for development.
JDK
Since fedora uses openjdk by default, some problems may occur when it is removed. Because many open-source software uses it by default, even if oracaljdk is ins
1. Uninstall the previous JDK and mark all options that contain openjdk in the new version to completely delete it. Or execute sudo apt-Get autoremove openjdk-6-jre 2, download JDK Software
Follow these steps to install Sun JDK:
Slave.
Then configure the Java environment variable:
Set environment variables: Vim/etc/profile or Vim ~ /. Bashrc, add:
Export java_home =/share/software/jdk1.7.0 _ 17Export Pat
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