usr lib jvm
/usr/lib/jvm/java7-oracle should be a symbolic link pointing to /usr/lib/jvm/java-7-oracle-[version number here] . The reason it's a symbolic link is that in case there's a new version of the JVM, you don't need to update your .bashrc file, it, It should be. JAVA_HOME=etc... by doing $JAVA_HOME=... you're expanding the CURRENT value of the JAVA_HOME env var, and end up doing oldvalue=newvalue. instead of "assign new value to var" that the $ -less version does., You can search for this information using apt-file. You may need to setup apt-file before you can use it. sudo apt-get install apt-file #Installs sudo apt-file update #Updates local file list apt-file search <path to file/directory> #Does the searc, First let's see which package(s) provided the files in that directory: $ dpkg -S /usr/lib/jvm openjdk-8-jre-headless:amd64, default-jre-headless: /usr/lib/jvm. (please check on your own system - the exact packages may be different). Then reinstall th, I've installed (and tried to remove) some openjdk oracle installer set-default package and since then every time I open a new terminal I need to export my JAVA_HOME. Even though it is set properly in my /etc/environment: JAVA_HOME="/usr/lib/jvm/, ... cat /etc/environment PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games" JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64" thufir@doge:~$ thufir@doge:~$ echo $JAVA_HOME /usr/lib/jvm/java-8-o,JAVA_HOME should be set to the name of the directory that contains the bin directory that contains the Java executables (in particular, java itself). Assuming you do have a /usr/lib/jvm/jdk1.7.0 directory, it probably contains a jre subdirectory that cont, How did you install java 8? Perhaps you installed only JRE? sudo apt-get install openjdk-8-jre. This will install java run time environment, typically in: /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java. When you should have done: sudo apt-get install ope, If you run ls -l /usr/lib/jvm. you'll see that java-1.8.0-openjdk-i386 is a symlink to java-8-openjdk-i386 , so there's nothing to get rid of. In such cases dpkg -S only finds the symlinks, it doesn't dereference them: dpkg -S /usr/lib/jvm/ja, If you run ls -l /usr/lib/jvm. you'll see that java-1.8.0-openjdk-i386 is a symlink to java-8-openjdk-i386 , so there's nothing to get rid of. In such cases dpkg -S only finds the symlinks, it doesn't dereference them: dpkg -S /usr/lib/jvm/ja
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 usr lib jvm 相關參考資料
How to set Oracle's Java as the default Java in Ubuntu? - Stack ...
/usr/lib/jvm/java7-oracle should be a symbolic link pointing to /usr/lib/jvm/java-7-oracle-[version number here] . The reason it's a symbolic link is that in case there's a new version of the ... https://stackoverflow.com showing bash: usrlibjvmjava-7-oracle=usrlibjvmjava-8 ...
It should be. JAVA_HOME=etc... by doing $JAVA_HOME=... you're expanding the CURRENT value of the JAVA_HOME env var, and end up doing oldvalue=newvalue. instead of "assign new value to var&qu... https://stackoverflow.com 11.10 - What package creates usrlibjvmdefault-java? - Ask Ubuntu
You can search for this information using apt-file. You may need to setup apt-file before you can use it. sudo apt-get install apt-file #Installs sudo apt-file update #Updates local file list apt-fil... https://askubuntu.com package management - How to recover `usrlibjvm` in Ubuntu ...
First let's see which package(s) provided the files in that directory: $ dpkg -S /usr/lib/jvm openjdk-8-jre-headless:amd64, default-jre-headless: /usr/lib/jvm. (please check on your own system - ... https://askubuntu.com Why is my java always set to: usrlibjvmjava-8-oracle - Ask Ubuntu
I've installed (and tried to remove) some openjdk oracle installer set-default package and since then every time I open a new terminal I need to export my JAVA_HOME. Even though it is set properl... https://askubuntu.com java - what is the value for JAVA_HOME? - Ask Ubuntu
... cat /etc/environment PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games" JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64" thufir@doge:... https://askubuntu.com java - JAVA_HOME is not defined correctly - Ask Ubuntu
JAVA_HOME should be set to the name of the directory that contains the bin directory that contains the Java executables (in particular, java itself). Assuming you do have a /usr/lib/jvm/jdk1.7.0 direc... https://askubuntu.com JAVAC and JPS are not present in usrlibjvmjava-8-openjdk-amd64 ...
How did you install java 8? Perhaps you installed only JRE? sudo apt-get install openjdk-8-jre. This will install java run time environment, typically in: /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/ja... https://askubuntu.com debian - Find the package that installed usrlibjvmjava-1.8.0 ...
If you run ls -l /usr/lib/jvm. you'll see that java-1.8.0-openjdk-i386 is a symlink to java-8-openjdk-i386 , so there's nothing to get rid of. In such cases dpkg -S only finds the symlinks, i... https://unix.stackexchange.com debian - Find the package that installed usrlibjvmjava-1.8.0-openjdk ...
If you run ls -l /usr/lib/jvm. you'll see that java-1.8.0-openjdk-i386 is a symlink to java-8-openjdk-i386 , so there's nothing to get rid of. In such cases dpkg -S only finds the symlinks, i... https://unix.stackexchange.com |