{"id":3394,"date":"2014-08-01T08:45:40","date_gmt":"2014-08-01T00:45:40","guid":{"rendered":"http:\/\/rmohan.com\/?p=3394"},"modified":"2015-08-24T19:44:22","modified_gmt":"2015-08-24T11:44:22","slug":"install-java-on-redhat-7-centos-7","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=3394","title":{"rendered":"Install Java 1.8 and tomcat 8 on Redhat 7 centos 7"},"content":{"rendered":"

mkdir software<\/p>\n

64 BIT
\n# wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u40-b25\/jdk-8u40-linux-x64.tar.gz”<\/p>\n

# tar xzf jdk-8u40-linux-x64.tar.gz
\n32 BIT
\n# wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u40-b25\/jdk-8u40-linux-i586.tar.gz”<\/p>\n

 <\/p>\n

wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u60-b27\/jdk-8u60-linux-x64.tar.gz”<\/p>\n

 <\/p>\n

# tar xzf jdk-8u40-linux-i586.tar.gz
\nmkdir \/usr\/java\/<\/p>\n

cd \/usr\/java\/jdk1.8.0_40\/
\n[root@cluster1 java]# ln -s \/usr\/java\/jdk1.8.0_40\/bin\/java \/usr\/bin\/java
\n[root@cluster1 java]# alternatives –install \/usr\/java\/jdk1.8.0_40\/bin\/java java \/usr\/java\/jdk1.8.0_40\/bin\/java 2<\/p>\n

alternatives –install \/usr\/java\/jdk1.8.0_40\/bin\/java java \/usr\/java\/jdk1.8.0_40\/bin\/java 2
\nalternatives –config java<\/p>\n

[root@cluster1 java]# alternatives –config java<\/p>\n

There is 1 program that provides ‘java’.<\/p>\n

Selection Command
\n———————————————–
\n*+ 1 \/usr\/java\/jdk1.8.0_40\/bin\/java<\/p>\n

Enter to keep the current selection[+], or type selection number: 1
\n[root@cluster1 java]#<\/p>\n

alternatives –install \/usr\/bin\/jar jar \/opt\/jdk1.8.0_40\/bin\/jar 2
\nalternatives –install \/usr\/bin\/javac javac \/opt\/jdk1.8.0_40\/bin\/javac 2
\nalternatives –set jar \/opt\/jdk1.8.0_40\/bin\/jar
\nalternatives –set javac \/opt\/jdk1.8.0_40\/bin\/javac
\nvi \/etc\/profile.d\/java.sh<\/p>\n

export JAVA_HOME=\/usr\/java\/jdk1.8.0_40
\nPATH=$JAVA_HOME\/bin:$PATH
\nexport PATH=$PATH:$JAVA_HOME
\nexport JRE_HOME=\/usr\/java\/jdk1.8.0_40\/jre
\nexport PATH=$PATH:\/usr\/java\/jdk1.8.0_40\/bin:\/usr\/java\/jdk1.8.0_40\/jre\/bin<\/p>\n","protected":false},"excerpt":{"rendered":"

mkdir software<\/p>\n

64 BIT # wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u40-b25\/jdk-8u40-linux-x64.tar.gz”<\/p>\n

# tar xzf jdk-8u40-linux-x64.tar.gz 32 BIT # wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u40-b25\/jdk-8u40-linux-i586.tar.gz”<\/p>\n

 <\/p>\n

wget –no-cookies –no-check-certificate –header “Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie” “http:\/\/download.oracle.com\/otn-pub\/java\/jdk\/8u60-b27\/jdk-8u60-linux-x64.tar.gz”<\/p>\n

 <\/p>\n

# tar xzf jdk-8u40-linux-i586.tar.gz mkdir \/usr\/java\/<\/p>\n

cd \/usr\/java\/jdk1.8.0_40\/ [root@cluster1 java]# ln -s \/usr\/java\/jdk1.8.0_40\/bin\/java \/usr\/bin\/java [root@cluster1 java]# alternatives […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,17,50],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3394"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3394"}],"version-history":[{"count":9,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3394\/revisions"}],"predecessor-version":[{"id":5169,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/3394\/revisions\/5169"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}