openjdk ubuntu

Check whether JDK is installed in Linux.The installed CentOS comes with OpenJdk and uses the java-version command. The following information is displayed:Java version "1.6.0 Prime;OpenJDK Runtime Environment (build 1.6.0-b09)OpenJDK 64-Bit Server VM (build 1.6.0-b09, mixed mode)It is best to uninstall openjdk fir

CentOS installation configuration Jdk method is more, recommended to install with tar.gz package, install file directory itself controllable.Environmental centos6.31. Download the JDK:Http://download.oracle.com/otn-pub/java/jdk/8u65-b17/jdk-8u65-linux-i586.tar.gz2. Check uninstall the default JDK that is already installed[Email protected] etc]# Rpm-qa | grep JDKjava-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i68[Email protected] etc]# yum-y Remove java-1.6

Compile and install openjdk in CentOS5.5 1. Uninstall the original jdk OF THE SYSTEM Rpm-qa | grep java Yum-y remove XXXX -- XXXX is the jdk information found by the first command. II. The following dependency packages can be installed through yum Yum-y install alsa-lib-develYum-y install cups-develYum-y install libXi-develYum-y install gcc-c ++Yum-y install libX * 3. Install freetype-2.3.12Wgethttp: // response Tar-xvf freetype-2.3.12.tar.gz Cd freet

/ftconfig. h \/Usr/local/include/freetype2/freetype/config/ftconfig. h Run the following command: Mkdir-p/usr/local/include/freetype2/freetype/internal Reinstall ./Configure make install 4. install ant The version used this time is: apache-ant-1.9.4-bin.zip Unzip apache-ant-1.9.4-bin.zip Ln-s decompressed ant directory/bin/ant/usr/bin/ant 5. install JDK and configure environment variables The next compilation is openjdk-7-fcs-src-b147-27_jun_2011.z

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

Export Java_home=/opt/java/jdk1.8.0_172export classpath=.: $JAVA _home/jre/lib/rt.jar: $JAVA _home/lib/dt.jar: $JAVA _ Home/lib/tools.jarexport path= $PATH: $JAVA _home/bin　　Delete OpenJDKThe installed CentOS will bring openjdk, with the command java-version, will have the following information:" 1.6.0 " 1.6. 0-1.6. 0-b09, mixed mode)It is best to uninstall the OPENJDK before installing Sun's JDK.View Firs

Author: fbysssQQ: Wine bar Bar I scatteredBlog:blog.csdn.net/fbysssDisclaimer: This article by fbysss original, reproduced please indicate the source Preface: Under CentOS, Java is already installed, version 1.7, but there are no environment variables such as Java_home. So: Export java_home=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9 Export classpath=.: $JAVA _home/jre/lib/rt.jar: $JAVA _home/lib/dt.jar: $JAVA _home/lib/tools.jar Export path= $PATH: $JA

Release date:Updated on: Affected Systems:OpenJDK 6Description:--------------------------------------------------------------------------------Bugtraq id: 45894Cve id: CVE-2010-4351 OpenJDK is a cooperation Platform for open source implementation of Java Platform, Standard Edition and related projects. OpenJDK's IcedTea plug-in has a security vulnerability. Remote attackers can exploit this vulnerability to execute arbitrary code in applications.

View the current system JDK: rpm-Qa | grep JDK Result: [Root @ dc-01 Java] # rpm-Qa | grep JDK Java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i686 Detach: [Root @ dc-01 Java] # Yum-y remove java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i686 Wait for a while to complete. Download Sun's JDK. I downloaded Jdk-6u37-linux-i586-rpm.bin For a 64-bit system, download: Jdk-6u37-linux-x64-rpm.bin

1. Uninstall openjdkView the current system's JDK: rpm-Qa | grep JDK (I found here: java-1.6.0-openjdk-1.6.0.0-1.43.1.10.6.el6_2.i686), if not found, you can use rpm-Qa | grep gcj Remove the built-in JDK: Yum-y remove java-1.6.0-openjdk-1.6.0.0-1.43.1.10.6.el6_2.i686 ,: 2. Install Sun JDKSince I downloaded jdk-7-linux-i586.tar.gz, You can unzip it directly in the installation directory,Go to/USR and run th

(1)/etc/profileExport java_home=/usr/java/jdk1.7.0_67-cloudera/Export path= $PATH: $JAVA _home/binExport jre_home= "$JAVA _home/jre"Export classpath=.: $JAVA _home/lib/tools.jar: $JAVA _home/lib/rt.jarAfter the change is complete, use the source/etc/profile command to update;(2) The following steps are more important. Because OPENJDK is preinstalled on many Linux systems, the default is not what we want to set up, even if these settings are set above.

[Email protected] root]# Rpm-qa |grepJdkjava-1.7.0-openjdk-headless-1.7.0.75-2.5.4.2. El7_0.x86_64java-1.7.0-openjdk-1.7.0.75-2.5.4.2. El7_0.x86_64[[email protected] root]# rpm-E--nodeps java-1.7.0-openjdk-1.7.0.75-2.5.4.2. El7_0.x86_64[[email protected] root]# rpm-E--nodeps java-1.7.0-openjdk-headless-1.7.0.75-2.5.4.2

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

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

View the current system Jdk:rpm-qa | grep jdk The results obtained: The code is as follows Copy Code [Root@dc-01 java]# Rpm-qa | grep JDKjava-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.i686 Uninstall OPENJDK: The code is as follows Copy Code [Root@wx32 local]# Java-versionJava Version "1.6.0"OpenJDK

First step: See which packages are installed[Email protected] ~]# Rpm-qa | grep javaTzdata-java-2016g-2.el7.noarchPython-javapackages-3.4.1-11.el7.noarchJava-1.7.0-openjdk-headless-1.7.0.111-2.6.7.8.el7.x86_64Java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.x86_64Java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64Java-1.7.0-openjdk