Liunx 涓婂畨瑁卝ava
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鏍囩锛?a href='http://www.mamicode.com/so/1/margin' title='margin'>margin bsp 鐩綍鏉冮檺 绾㈣壊 color
linux绯荤粺鐨勫熀鏈寚浠?/p>
http://www.cnblogs.com/sxdcgaq8080/p/7470796.html
==========================================
鎿嶄綔閾炬帴
https://www.cnblogs.com/sxdcgaq8080/p/7492426.html
Linux涓婁竴鑸細瀹夎Open JDK,鍏充簬OpenJDK鍜孞DK鐨勫尯鍒細http://www.cnblogs.com/sxdcgaq8080/p/7487369.html
涓嬮潰寮€濮嬪畨瑁呮楠わ細
--------------------------------------------------------------------------绗竴姝?----------------------------------------------------------------------
绗竴姝ャ€€銆€鍗歌浇绯荤粺鑷甫鐨凮penJDK浠ュ強鐩稿叧鐨刯ava鏂囦欢
鈶犲湪鍛戒护绐楀彛閿叆锛?/p>
java -version
鍙互鐪嬪埌绯荤粺鑷甫鐨凮penJDK鐗堟湰淇℃伅銆?/p>
鈶″湪鍛戒护绐楀彛閿叆锛?/p>
rpm -qa | grep java
鍛戒护璇存槑锛?/p>
rpm 銆€銆€绠$悊濂椾欢
-qa 銆€銆€浣跨敤璇㈤棶妯″紡锛屾煡璇㈡墍鏈夊浠?/p>
grep銆€銆€鏌ユ壘鏂囦欢閲岀鍚堟潯浠剁殑瀛楃涓?/p>
java 銆€銆€鏌ユ壘鍖呭惈java瀛楃涓茬殑鏂囦欢
浠ヤ笂鏂囦欢涓細
涓嬮潰杩欏嚑涓彲浠ュ垹闄?/p>
java-1.7.0-openjdk-1.7.0.111-2.6.7.8.el7.x86_64
java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64
java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.x86_64
java-1.7.0-openjdk-headless-1.7.0.111-2.6.7.8.el7.x86_64
noarch鏂囦欢鍙互涓嶇敤鍒犻櫎
python-javapackages-3.4.1-11.el7.noarch
tzdata-java-2016g-2.el7.noarch
javapackages-tools-3.4.1-11.el7.noarch
鈶㈠湪鍛戒护绐楀彛閿叆锛?/p>
rpm -e --nodeps java-1.7.0-openjdk-1.7.0.111-2.6.7.8.el7.x86_64
浣嗘槸浼氬嚭閿欙紝鍥犱负鍦ㄦ櫘閫氱敤鎴穝xd鐢ㄦ埛涓嬶紝骞舵病鏈夋搷浣滆繖鍑犱釜鏂囦欢鐨勬潈闄愩€?/p>
瑙e喅锛?/p>
銆€銆€鍦ㄥ懡浠ょ獥鍙i敭鍏ワ細
su root
杩涘叆root鐢ㄦ埛锛屽彲浠ユ湁鏉冮檺鎿嶄綔杩欏嚑涓枃浠躲€?/p>
瀹屾暣鐨勫垹闄ゆ枃浠剁殑鍛戒护锛屽湪鍛戒护绐楀彛閿叆锛?/p>
rpm -e --nodeps java-1.7.0-openjdk-1.7.0.111-2.6.7.8.el7.x86_64
rpm -e --nodeps java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64
rpm -e --nodeps java-1.8.0-openjdk-headless-1.8.0.102-4.b14.el7.x86_64
rpm -e --nodeps java-1.7.0-openjdk-headless-1.7.0.111-2.6.7.8.el7.x86_64
鍛戒护浠嬬粛锛?/p>
rpm 銆€銆€銆€銆€绠$悊濂椾欢
-e銆€銆€銆€銆€銆€鍒犻櫎鎸囧畾鐨勫浠?/p>
--nodeps銆€銆€涓嶉獙璇佸浠舵。鐨勭浉浜掑叧鑱旀€?/p>
鈶f鏌ユ槸鍚﹀凡缁忓垹闄ゆ垚鍔?/p>
鍦ㄥ懡浠ょ獥鍙i敭鍏ワ細
java -version
浠h〃宸茬粡鍒犻櫎鎴愬姛浜嗐€?/p>
鈶ゅ鏋滆繕娌℃湁鍒犻櫎锛屽垯鐢▂um -y remove鍘诲垹闄や粬浠?/p>
------------------------------------------------------------------------------绗簩姝?----------------------------------------------------------------------------
绗簩姝ャ€€銆€涓嬭浇鏈€鏂扮ǔ瀹欽DK
銆愭敞鎰忋€?JDK瀹夎鍦ㄥ摢涓敤鎴蜂笅锛屽氨鏄粰鍝釜鐢ㄦ埛浣跨敤
鈶犱笅杞藉湴鍧€涓?/p>
銆€銆€褰撳墠鏈€鏂扮増鏈笅杞藉湴鍧€锛歨ttp://www.oracle.com/technetwork/java/javase/downloads/index.html
銆€銆€鍘嗗彶鐗堟湰涓嬭浇鍦板潃锛氥€€銆€http://www.oracle.com/technetwork/java/javase/archive-139210.html
鈶$矘璐村湴鍧€鍒版祻瑙堝櫒鍦板潃鏍?/p>
銆€銆€
閫氳繃娴忚鍣ㄤ笅杞戒細榛樿涓嬭浇鍒板綋鍓嶇櫥闄嗙敤鎴风殑涓嬭浇鐩綍锛?br /> 渚嬪褰撳墠鐧婚檰鐢ㄦ埛鏄痳oot,閭d箞涓嬭浇浣嶇疆涓?/root/涓嬭浇/jdk-8u144-linux-x64.tar.gz".
涓嬭浇閫熷害杈冩參
褰撳墠鐢ㄦ埛鏄痵xd鐢ㄦ埛锛屾墍浠ュ彲浠ョ湅鍒颁笅杞界殑JDK鏂囦欢浣嶄簬/home/sxd/涓嬭浇/jdk-8u144-linux-x64.tar.gz
鈶笅杞藉畬鎴愬悗锛屽皢JDK鍘嬬缉鍖? 澶嶅埗涓€浠藉埌/usr/local/src/浣滃浠?/p>
閿叆鍛戒护锛?/p>
cp jdk-8u144-linux-x64.tar.gz /usr/local/src/
鍛戒护璇存槑锛?/p>
cp銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€ 澶嶅埗鏂囦欢鎴栫洰褰?/p>
jdk-8u144-linux-x64.tar.gz銆€銆€銆€銆€鏂囦欢鍚?/p>
/user/local/src銆€銆€銆€銆€銆€銆€銆€銆€銆€ 瑕佸鍒剁殑鐩爣鐩綍
鍑轰簡鐐瑰皬闂锛?/p>
cp鎷疯礉鏂囦欢鐨勬椂鍊欙紝鍑虹幇浜嗘潈闄愪笉澶熺殑闂锛屼篃灏辫В閲婁簡涓轰粈涔堝垰鍒氫笂闈㈡煡鐪婮DK鍘嬬缉鏂囦欢鐨勬椂鍊欙紝鏂囦欢鍚嶆槸绾㈣壊鐨勩€?/p>
淇敼鏂囦欢鎴栬€呯洰褰曟潈闄愮殑鍏堝叧鎿嶄綔璇存槑锛歨ttp://www.cnblogs.com/sxdcgaq8080/p/7498906.html
鈶d慨鏀笿DK鍘嬬缉鏂囦欢鐨勬潈闄愶紝鐒跺悗鍐嶈繘琛屽鍒舵搷浣?/p>
鍦ㄥ懡浠よ閿叆锛?/p>
chmod 755 jdk-8u144-linux-x64.tar.gz
涔嬪悗鍦ㄩ敭鍏ワ細
ls -al
鍙互鐪嬪埌鏁堟灉锛?/p>
鏂囦欢鍚嶅凡缁忔樉绀轰负缁胯壊锛岃棣栦篃鍙互瀹為檯鐨勭湅鍒版潈闄?鏇存敼涓猴細-rwxr-xr-x
鎺ヤ笅鏉ワ紝閿叆锛?/p>
鎶婃潈闄愪慨鏀逛负777渚濇棫鏃犳硶cp鎿嶄綔
鈶ゆ渶缁堣繘鍏oot鐢ㄦ埛涓嬶紝杩涜澶嶅埗鎿嶄綔
閿叆锛?/p>
杩欐墠澶嶅埗鎴愬姛銆?/p>
-----------------------------------------------------------------------绗笁姝?----------------------------------------------------------------------------
绗笁姝ャ€€銆€瑙e帇JDK
鈶犲皢/home/sxd/涓嬭浇/jdk-8u144-linux-x64.tar.gz鏂囦欢鎷疯礉涓€浠藉埌/usr/java
鍛戒护琛岄敭鍏ワ細
cp jdk-8u144-linux-x64.tar.gz /usr/java
鈶″湪java鐩綍涓嬶紝瑙e帇JDK鍘嬬缉鏂囦欢
鍦ㄥ懡浠ょ獥鍙i敭鍏ワ細
tar -zxvf jdk-8u144-linux-x64.tar.gz
鍛戒护浠嬬粛锛?/p>
tar銆€銆€銆€銆€銆€銆€澶囦唤鏂囦欢
-zxvf銆€銆€銆€銆€銆€
-z銆€銆€銆€銆€銆€銆€ 銆€銆€銆€銆€銆€銆€銆€銆€ 閫氳繃gzip鎸囦护澶勭悊澶囦唤鏂囦欢
-x銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€ 浠庡浠芥枃浠朵腑杩樺師鏂囦欢
-v銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€銆€ 鏄剧ず鎸囦护鎵ц杩囩▼
-f銆€銆€銆€銆€銆€銆€ 銆€銆€銆€銆€銆€銆€銆€銆€ 鎸囧畾澶囦唤鏂囦欢
jdk-8u144-linux-x64.tar.gz銆€銆€銆€銆€鏂囦欢鍚?/p>
鏂囦欢瑙e帇瀹屾垚銆?/p>
鈶㈠垹闄DK鍘嬬缉鍖?/p>
鍦ㄥ懡浠よ閿叆锛?/p>
rm -f jdk-8u144-linux-x64.tar.gz
鍛戒护瑙i噴锛?/p>
rm銆€銆€銆€銆€鍒犻櫎鏂囦欢鎴栫洰褰?/p>
-f銆€銆€銆€銆€ 寮哄埗鍒犻櫎鏂囦欢鎴栫洰褰?/p>
-------------------------------------------------------------------------------------绗洓姝?---------------------------------------------------------------------------------------
绗洓姝ャ€€銆€閰嶇疆JDK鐜鍙橀噺
鈶犵紪杈戝叏灞€鍙橀噺
鍦ㄥ懡浠よ閿叆锛?/p>
vim /etc/profile
鍛戒护璇存槑锛?/p>
vim銆€銆€銆€銆€銆€銆€鏂囨湰缂栬緫
/etc/profile銆€銆€銆€鍏ㄥ眬鍙橀噺鏂囦欢
杩涘叆鏂囨湰缂栬緫鐘舵€佷笅锛屽厜鏍囪蛋鍒版枃浠舵渶鍚庝竴琛岋紝閿洏鎸変笅锛?/p>
i
杩涘叆鎻掑叆鐘舵€侊細
鍦ㄦ枃鏈殑鏈€鍚庝竴琛岀矘璐村涓嬶細
娉ㄦ剰JAVA_HOME=/usr/java/jdk1.8.0_144 灏辨槸浣犺嚜宸辩殑鐩綍
#java environment
export JAVA_HOME=/usr/java/jdk1.8.0_144
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin
銆愭敞銆戯細CentOS6涓婇潰鐨勬槸JAVAHOME锛孋entOS7鏄瘂JAVA_HOME}
JAVA_HOME=/usr/java/jdk1.8.0_152
JRE_HOME=$JAVA_HOME/jre
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export JAVA_HOME JRE_HOME PATH CLASSPATH
閿洏锛?/p>
ESC
shift+q
閿洏锛?/p>
qw!
鍐欏叆骞跺己鍒堕€€鍑恒€?/p>
濡傛灉涓嶇鐢ㄥ彲浠ラ敭鐩橈細
x
涓€涓剰鎬濓紝閮芥槸淇濆瓨骞堕€€鍑虹殑鎰忔€濄€?/p>
-------------------------------------------------------------------------绗簲姝?--------------------------------------------------------------------------
绗簲姝ャ€€銆€璁╁垰鍒氳缃殑鐜鍙橀噺鐢熸晥骞舵鏌ユ槸鍚﹀畨瑁呮垚鍔?/strong>
鈶犺鍒氬垰璁剧疆鐨勭幆澧冨彉閲忕敓鏁?/p>
閿叆锛?/p>
source /etc/profile
source /etc/profile鎴?. /etc/profile
鈶℃鏌ユ槸鍚﹂厤缃垚鍔?/p>
閿叆锛?/p>
java -version
================================================瀹屾垚
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