i have done this :
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/java-8-oracle/bin/javac" 1
and this:
sudo update-alternatives --config javac
also this:
cd /var/lib/dpkg/info
sudo sed -i 's|JAVA_VERSION=8u151|JAVA_VERSION=8u162|' oracle-java8-installer.*
sudo sed -i 's|PARTNER_URL=http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e24606bca991d704f6dcbf/|PARTNER_URL=http://download.oracle.com/otn-pub/java/jdk/8u162-b12/0da788060d494f5095bf8624735fa2f1/|' oracle-java8-installer.*
sudo sed -i 's|SHA256SUM_TGZ="c78200ce409367b296ec39be4427f020e2c585470c4eed01021feada576f027f"|SHA256SUM_TGZ="68ec82d47fd9c2b8eb84225b6db398a72008285fafc98631b1ff8d2229680257"|' oracle-java8-installer.*
sudo sed -i 's|J_DIR=jdk1.8.0_151|J_DIR=jdk1.8.0_162|' oracle-java8-installer.*
after i copied the source files to
/usr/lib/jvm/java-8-oracle
but still whenever i use apt-get it tries to download 8u151 version which runs into error. how can i, simply put, make it understand that its already installed?!
Setting up oracle-java8-installer (8u151-1~webupd8~0) ... Using wget settings from /var/cache/oracle-jdk8-installer/wgetrc Downloading Oracle Java 8...
this is what it returns for any apt-get! how to update webupd about my newer version already installed?