ubuntu 자바 설치

1. 자바 설치 여부를 확인합니다.

$ java -version
The program 'java' can be found in the following packages:
 * default-jre
 * gcj-5-jre-headless
 * openjdk-8-jre-headless
 * gcj-4.8-jre-headless
 * gcj-4.9-jre-headless
 * openjdk-9-jre-headless
Try: sudo apt install <selected package>
 

* java -version 혹은 javac -version 으로 확인합니다.

2. 패키지 인덱스를 업데이트합니다.

$ sudo apt-get update
Hit:1 http://kr.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://kr.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 http://kr.archive.ubuntu.com/ubuntu xenial-backports InRelease
Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:5 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
Hit:6 https://download.docker.com/linux/ubuntu xenial InRelease
Fetched 102 kB in 2s (39.2 kB/s)
Reading package lists... Done
 

3. apt 리포지토리에 개인 패키지 저장소 정보를 추가합니다.

$ sudo add-apt-repository -y ppa:webupd8team/java
gpg: keyring `/tmp/tmpioqd13si/secring.gpg' created
gpg: keyring `/tmp/tmpioqd13si/pubring.gpg' created
gpg: requesting key EEA14886 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmpioqd13si/trustdb.gpg: trustdb created
gpg: key EEA14886: public key "Launchpad VLC" imported
gpg: no ultimately trusted keys found
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
 

4. 패키지 인덱스 정보를 업데이트합니다.

$ sudo apt update
Hit:1 http://kr.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://kr.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:3 https://download.docker.com/linux/ubuntu xenial InRelease
Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Hit:5 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
Hit:6 http://kr.archive.ubuntu.com/ubuntu xenial-backports InRelease
Fetched 102 kB in 2s (48.3 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
100 packages can be upgraded. Run 'apt list --upgradable' to see them.
 

5. java 설치

$ sudo apt install -y oracle-java8-installer
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  binfmt-support visualvm ttf-baekmuk | ttf-unfonts | ttf-unfonts-core ttf-kochi-gothic | ttf-sazanami-gothic
  ttf-kochi-mincho | ttf-sazanami-mincho ttf-arphic-uming
Recommended packages:
  gsfonts-x11 oracle-java8-set-default
The following packages will be upgraded:
  oracle-java8-installer
1 upgraded, 0 newly installed, 0 to remove and 99 not upgraded.
1 not fully installed or removed.
Need to get 32.9 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial/main amd64 oracle-java8-installer all 8u151-1~webupd8~0 [32.9 kB]
Fetched 32.9 kB in 1s (31.9 kB/s)
Preconfiguring packages ...
(Reading database ... 215673 files and directories currently installed.)
Preparing to unpack .../oracle-java8-installer_8u151-1~webupd8~0_all.deb ...
oracle-license-v1-1 license has already been accepted
Unpacking oracle-java8-installer (8u151-1~webupd8~0) over (8u144-1~webupd8~0) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ...
Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160824-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for shared-mime-info (1.5-2ubuntu0.1) ...
Setting up oracle-java8-installer (8u151-1~webupd8~0) ...
Using wget settings from /var/cache/oracle-jdk8-installer/wgetrc
Downloading Oracle Java 8...
--2017-10-24 10:17:08--  http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e                                     758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz
Resolving download.oracle.com (download.oracle.com)... 121.254.136.10, 121.254.1                                     36.18
Connecting to download.oracle.com (download.oracle.com)|121.254.136.10|:80... co                                     nnected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://edelivery.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e246                                     06bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz [following]
--2017-10-24 10:17:08--  https://edelivery.oracle.com/otn-pub/java/jdk/8u151-b12                                     /e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz
Resolving edelivery.oracle.com (edelivery.oracle.com)... 104.74.178.67, 2600:141                                     7:e:28e::2d3e, 2600:1417:e:28b::2d3e
Connecting to edelivery.oracle.com (edelivery.oracle.com)|104.74.178.67|:443...                                      connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz?AuthParam=1508807949_4547063169aa1d1617794b8b2df71b41 [following]
--2017-10-24 10:17:09--  http://download.oracle.com/otn-pub/java/jdk/8u151-b12/e758a0de34e24606bca991d704f6dcbf/jdk-8u151-linux-x64.tar.gz?AuthParam=1508807949_4547063169aa1d1617794b8b2df71b41
Connecting to download.oracle.com (download.oracle.com)|121.254.136.10|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 189736377 (181M) [application/x-gzip]
Saving to: ‘jdk-8u151-linux-x64.tar.gz’
 
     0K ........ ........ ........ ........ ........ ........  1% 10.8M 17s
  3072K ........ ........ ........ ........ ........ ........  3% 11.3M 16s
  6144K ........ ........ ........ ........ ........ ........  4% 11.4M 15s
  9216K ........ ........ ........ ........ ........ ........  6% 11.3M 15s
 12288K ........ ........ ........ ........ ........ ........  8% 11.3M 15s
 15360K ........ ........ ........ ........ ........ ........  9% 11.3M 15s
 18432K ........ ........ ........ ........ ........ ........ 11% 11.3M 14s
 21504K ........ ........ ........ ........ ........ ........ 13% 11.3M 14s
 24576K ........ ........ ........ ........ ........ ........ 14% 11.3M 14s
 27648K ........ ........ ........ ........ ........ ........ 16% 11.3M 13s
 30720K ........ ........ ........ ........ ........ ........ 18% 11.3M 13s
 33792K ........ ........ ........ ........ ........ ........ 19% 11.3M 13s
 36864K ........ ........ ........ ........ ........ ........ 21% 11.3M 13s
 39936K ........ ........ ........ ........ ........ ........ 23% 11.3M 12s
 43008K ........ ........ ........ ........ ........ ........ 24% 11.3M 12s
 46080K ........ ........ ........ ........ ........ ........ 26% 11.2M 12s
 49152K ........ ........ ........ ........ ........ ........ 28% 11.3M 12s
 52224K ........ ........ ........ ........ ........ ........ 29% 11.3M 11s
 55296K ........ ........ ........ ........ ........ ........ 31% 11.3M 11s
 58368K ........ ........ ........ ........ ........ ........ 33% 11.3M 11s
 61440K ........ ........ ........ ........ ........ ........ 34% 11.3M 10s
 64512K ........ ........ ........ ........ ........ ........ 36% 11.3M 10s
 67584K ........ ........ ........ ........ ........ ........ 38% 11.3M 10s
 70656K ........ ........ ........ ........ ........ ........ 39% 11.2M 10s
 73728K ........ ........ ........ ........ ........ ........ 41% 11.3M 9s
 76800K ........ ........ ........ ........ ........ ........ 43% 11.3M 9s..]
 79872K ........ ........ ........ ........ ........ ........ 44% 11.3M 9s
 82944K ........ ........ ........ ........ ........ ........ 46% 11.3M 9s
 86016K ........ ........ ........ ........ ........ ........ 48% 11.3M 8s
 89088K ........ ........ ........ ........ ........ ........ 49% 11.3M 8s
 92160K ........ ........ ........ ........ ........ ........ 51% 11.3M 8s
 95232K ........ ........ ........ ........ ........ ........ 53% 10.5M 8s
 98304K ........ ........ ........ ........ ........ ........ 54% 12.2M 7s
101376K ........ ........ ........ ........ ........ ........ 56% 11.1M 7s
104448K ........ ........ ........ ........ ........ ........ 58% 10.9M 7s
107520K ........ ........ ........ ........ ........ ........ 59% 11.3M 6s
110592K ........ ........ ........ ........ ........ ........ 61% 10.4M 6s
113664K ........ ........ ........ ........ ........ ........ 63% 10.5M 6s
116736K ........ ........ ........ ........ ........ ........ 64% 11.0M 6s
119808K ........ ........ ........ ........ ........ ........ 66% 11.3M 5s
122880K ........ ........ ........ ........ ........ ........ 67% 11.3M 5s
125952K ........ ........ ........ ........ ........ ........ 69% 11.3M 5s
129024K ........ ........ ........ ........ ........ ........ 71% 11.3M 5s
132096K ........ ........ ........ ........ ........ ........ 72% 11.3M 4s
135168K ........ ........ ........ ........ ........ ........ 74% 11.4M 4s
138240K ........ ........ ........ ........ ........ ........ 76% 11.3M 4s
141312K ........ ........ ........ ........ ........ ........ 77% 11.3M 4s
144384K ........ ........ ........ ........ ........ ........ 79% 10.6M 3s
147456K ........ ........ ........ ........ ........ ........ 81% 12.1M 3s
150528K ........ ........ ........ ........ ........ ........ 82% 11.3M 3s
153600K ........ ........ ........ ........ ........ ........ 84% 11.3M 2s
156672K ........ ........ ........ ........ ........ ........ 86% 11.3M 2s
159744K ........ ........ ........ ........ ........ ........ 87% 11.3M 2s
162816K ........ ........ ........ ........ ........ ........ 89% 10.5M 2s
165888K ........ ........ ........ ........ ........ ........ 91% 12.0M 1s
168960K ........ ........ ........ ........ ........ ........ 92% 11.3M 1s
172032K ........ ........ ........ ........ ........ ........ 94% 10.8M 1s
175104K ........ ........ ........ ........ ........ ........ 96% 11.3M 1s
178176K ........ ........ ........ ........ ........ ........ 97% 11.3M 0s
181248K ........ ........ ........ ........ ........ ........ 99% 11.3M 0s
184320K ........ .......                                     100% 11.4M=16s
 
2017-10-24 10:17:25 (11.2 MB/s) - ‘jdk-8u151-linux-x64.tar.gz’ saved [189736377/189736377]
 
Download done.
Removing outdated cached downloads...
update-alternatives: error: no alternatives for java
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/ControlPanel to provide /usr/bin/ControlPanel (ControlPanel) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/java to provide /usr/bin/java (java) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/javaws to provide /usr/bin/javaws (javaws) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/jcontrol to provide /usr/bin/jcontrol (jcontrol) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/jjs to provide /usr/bin/jjs (jjs) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/keytool to provide /usr/bin/keytool (keytool) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/orbd to provide /usr/bin/orbd (orbd) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/pack200 to provide /usr/bin/pack200 (pack200) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/policytool to provide /usr/bin/policytool (policytool) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/rmid to provide /usr/bin/rmid (rmid) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/rmiregistry to provide /usr/bin/rmiregistry (rmiregistry) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/servertool to provide /usr/bin/servertool (servertool) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/tnameserv to provide /usr/bin/tnameserv (tnameserv) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/bin/unpack200 to provide /usr/bin/unpack200 (unpack200) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/lib/jexec to provide /usr/bin/jexec (jexec) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/appletviewer to provide /usr/bin/appletviewer (appletviewer) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/extcheck to provide /usr/bin/extcheck (extcheck) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/idlj to provide /usr/bin/idlj (idlj) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jar to provide /usr/bin/jar (jar) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jarsigner to provide /usr/bin/jarsigner (jarsigner) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javac to provide /usr/bin/javac (javac) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javadoc to provide /usr/bin/javadoc (javadoc) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javafxpackager to provide /usr/bin/javafxpackager (javafxpackager) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javah to provide /usr/bin/javah (javah) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javap to provide /usr/bin/javap (javap) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/javapackager to provide /usr/bin/javapackager (javapackager) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jcmd to provide /usr/bin/jcmd (jcmd) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jconsole to provide /usr/bin/jconsole (jconsole) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jdb to provide /usr/bin/jdb (jdb) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jdeps to provide /usr/bin/jdeps (jdeps) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jhat to provide /usr/bin/jhat (jhat) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jinfo to provide /usr/bin/jinfo (jinfo) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jmap to provide /usr/bin/jmap (jmap) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jmc to provide /usr/bin/jmc (jmc) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jps to provide /usr/bin/jps (jps) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jrunscript to provide /usr/bin/jrunscript (jrunscript) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jsadebugd to provide /usr/bin/jsadebugd (jsadebugd) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jstack to provide /usr/bin/jstack (jstack) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jstat to provide /usr/bin/jstat (jstat) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jstatd to provide /usr/bin/jstatd (jstatd) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/jvisualvm to provide /usr/bin/jvisualvm (jvisualvm) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/native2ascii to provide /usr/bin/native2ascii (native2ascii) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/rmic to provide /usr/bin/rmic (rmic) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/schemagen to provide /usr/bin/schemagen (schemagen) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/serialver to provide /usr/bin/serialver (serialver) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/wsgen to provide /usr/bin/wsgen (wsgen) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/wsimport to provide /usr/bin/wsimport (wsimport) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/bin/xjc to provide /usr/bin/xjc (xjc) in auto mode
update-alternatives: using /usr/lib/jvm/java-8-oracle/jre/lib/amd64/libnpjp2.so to provide /usr/lib/mozilla/plugins/libjavaplugin.so (mozilla-javaplugin.so) in auto mode
Oracle JDK 8 installed
 
#####Important########
To set Oracle JDK8 as default, install the "oracle-java8-set-default" package.
E.g.: sudo apt install oracle-java8-set-default
On Ubuntu systems, oracle-java8-set-default is most probably installed
automatically with this package.
######################
 

* -y 옵션은 설치 여부를 묻지 않고 자동으로 y 처리할 경우 사용합니다.

6. 아래 화면은 -y 옵션을 주었을 경우 출력되지 않습니다.

6-1. license 동의서

6-2. license 동의서

* 위와 같이 Yes 를 선택하고 다음으로 넘어갑니다.

7. 설치 후 java 버전 출력 여부 확인

$ java -version
java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)
 

8. java 설치 및 확인 작업이 끝나면 환경 변수를 설정합니다.

8-1. /etc/environment 파일을 편집합니다.

$ sudo vi /etc/environment
 

8-2. 하단에 아래와 같이 추가 후 저장합니다.

JAVA_HOME="/usr/lib/jvm/java-8-oracle"
 

8-3. 해당 부분을 반영합니다.

$ source /etc/environment
 

8-4. /etc/profile 파일을 편집합니다.

$ sudo vi /etc/profile
 

8-5. 하단에 아래와 같이 추가 후 저장합니다.

export JAVA_HOME=/usr/lib/jvm/java-8-oracle
export CLASSPATH=.:$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar
PATH=$PATH:$JAVA_HOME/bin
 

8-6. 해당 부분을 반영합니다.

$ source /etc/profile
 

8-7. ~/.bashrc 파일을 편집합니다.

$ vi ~/.bashrc
 

8-8. 하단에 아래와 같이 추가 후 저장합니다.

export PATH=$PATH:$JAVA_HOME/bin
 

8-9. 해당 부분을 반영합니다.

$ source ~/.bashrc