Ubuntu delete openjdk install SunJDK1. download the installation package to the official website: jdk-7-linux-i586.tar.gz2. create the installation directory: sudomkdir/usr/lib/jvm3. decompress: tarzxvf. /jdk-7-linux-i586.tar.gz-C/usr/lib/jvm4. set the environment variable :... ubuntu delete openjdk install Sun JDK 1. download the installation package to the official website: jdk-7-linux-i586.tar.gz2. creat
This is an installation record. I have browsed many articles on solr installation and configuration before and when I encountered problems. Thanks to all the authors for sharing them. Solr4.3.0 was installed in Ubuntu12.04 + OpenJDK1.7, which is somewhat different from the existing articles on the Internet. Ubuntu12.04 installation-after basic installation, only install Openjdklinuxidc @ ubsolr :~ $ Sud
This is an installation record. I have browsed many articles on solr installation and configu
If it is the installation of OPENJDK, it is regrettable that it is not libnpjp2.so.At this time according to various strange methods on the Internet are not valid, but you can use the IcedTea plugin to solve the problem.The IcedTea version is related to the OPENJDK version of the native installation, and the general Default-java-plugin is automatically selected:1 sudo Install Default-java-pluginThe followin
! = Nil)
{
// IOS 3.0, call Methods
If ([mailclass cansendmail])
..
}
Else
{
// IOS 2.x
}
For specific code, see: http://developer.apple.com/iphone/library/samplecode/MailComposer/Introduction/Intro.html
****************** The following is my sharing of practical experience after reading the blog ********** *************************
Seeing this blog, the project was resolved on ios4.
First, the iphone ios4 remains relatively large in the private library, and some private librari
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
Tags: lis attr unp exec compress firewall RDA usr resThe first is foreplay, recommend a remote tool Xshell and XFTP use, the following is Xshell's official websiteHttp://www.netsarang.com/products/xsh_overview.html
1.openjdk
How to download and install prebuilt OpenJDK packages
JDK 8
Debian, Ubuntu, etc.
On the command line, type:
$ sudo apt-get install
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
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
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.
Ubuntu will replace sunjdk with the default openjdk1. download the installation package: jdk-7-linux-i586.tar.gz2. create the installation directory: sudomkdir/usr/lib/jvm3. decompress: tarzxvf. /jdk-7-linux-i586.tar.gz-C/usr/lib/jvm4. set the environment... ubuntu replaces sun jdk with the default open jdk 1. download the installation package to the official website: jdk-7-linux-i586.tar.gz2. create the installation directory: sudo mkdir/usr/lib/jvm3. decompress: tar zxvf. /jdk-7-linux-i586.tar
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
OPENJDK is installed by default in Ubuntu 12.04, but this JDK is a lot more problematic because you can't even start eclipse, so you still need to install the JDK yourself.1. Download Jdk6JDK6: http://download.java.net/jdk6/, according to the operating system selection of the corresponding installation package, my is Ubuntu 12.04 32bit, So the downloaded file is Jdk-6u38-ea-bin-b04-linux-i586-31_oct_2012.bin,2. Create a folder under/usr/local:sudo mkd
Some Ubuntu comes with a JDK. But sometimes it's exactly what we want. The following describes how to replace the JDK1. Uninstalling an existing JDKsudo apt-get purge openjdk-\*2. Download the JDK.3. Create a directory under the/usr/local/folder: sudo mkdir -p /usr/local/java 4. Copy the JDK to the third-step folder.sudo cp -r jdk...tar.gz /usr/local/java/5. Extracting filessudo tar xvzf jdk-8u51-linux-x64.tar.gz6. Update the path below/etc/profil
(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.
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
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