Where is my jdk located Linux?
Tabi, o le lo the whereis command and follow the symbolic links to find the Java path. The output tells you that Java is located in /usr/bin/java. Inspecting the directory shows that /usr/bin/java is only a symbolic link for /etc/alternatives/java.
Bawo ni MO ṣe mọ ibiti a ti fi jdk mi sori ẹrọ?
Bẹrẹ akojọ aṣayan> Kọmputa> Awọn ohun-ini eto> Awọn ohun-ini eto ilọsiwaju. Lẹhinna ṣii To ti ni ilọsiwaju taabu> Awọn oniyipada Ayika ati ni oniyipada eto gbiyanju lati ri JAVA_HOME. Eyi fun mi ni folda jdk.
Where is jdk installed on Ubuntu?
Ni gbogbogbo, Java ti fi sori ẹrọ ni /usr/lib/jvm . That is where my sun jdk is installed. check if it is same for open jdk also. On Ubuntu 14.04, it is in /usr/lib/jvm/default-java .
Bawo ni MO ṣe mọ boya Tomcat ti fi sori ẹrọ Linux?
Lilo awọn akọsilẹ idasilẹ
- Windows: tẹ Tu-AKIYESI | ri "Apache Tomcat Version" o wu: Apache Tomcat Version 8.0.22.
- Linux: ologbo Tu-NOTES | grep “Apache Tomcat Version” Ijade: Apache Tomcat Version 8.0.22.
Bawo ni MO ṣe rii ẹya Linux OS?
Ṣayẹwo ẹya OS ni Linux
- Ṣii ohun elo ebute (bash shell)
- Fun iwọle olupin latọna jijin nipa lilo ssh: ssh olumulo @ orukọ olupin.
- Tẹ eyikeyi ninu aṣẹ wọnyi lati wa orukọ OS ati ẹya ni Linux: cat /etc/os-release. lsb_tusilẹ -a. hostnamectl.
- Tẹ aṣẹ atẹle naa lati wa ẹya kernel Linux: uname -r.
How do I know if I have java installed from command prompt?
idahun
- Ṣii aṣẹ aṣẹ naa. Tẹle ọna akojọ aṣayan Bẹrẹ> Awọn eto> Awọn ẹya ẹrọ> Aṣẹ Tọ.
- Iru: Java -version ki o si tẹ Tẹ lori bọtini itẹwe rẹ. Esi: Ifiranṣẹ ti o jọra si atẹle naa tọkasi pe Java ti fi sii ati pe o ti ṣetan lati lo MITSIS nipasẹ Ayika asiko asiko Java.
Bawo ni MO ṣe mọ boya Mo ni JDK tabi OpenJDK?
O le kọ iwe afọwọkọ bash ti o rọrun lati ṣayẹwo eyi:
- Ṣii eyikeyi olootu ọrọ (daradara vim tabi emacs).
- ṣẹda faili ti a npè ni script.sh (tabi eyikeyi orukọ pẹlu . …
- lẹẹmọ koodu wọnyi ninu rẹ: #!/bin/bash ti [[ $ (java -version 2>&1) == *”OpenJDK”*]]; ki o si iwoyi ok; miiran iwoyi 'ko dara'; fi.
- fipamọ ati jade ni olootu.
Bawo ni MO ṣe rii ọna Java mi?
Ṣe idaniloju JAVA_HOME
- Ṣii ferese Aṣẹ Tọ (Win⊞ R, tẹ cmd, tẹ Tẹ).
- Tẹ aṣẹ iwoyi% JAVA_HOME% sii. Eyi yẹ ki o jade ọna si folda fifi sori Java rẹ. Ti ko ba ṣe bẹ, oniyipada JAVA_HOME rẹ ko ṣeto bi o ti tọ.
Bawo ni MO ṣe ṣe igbasilẹ JDK lori Lainos?
Lati fi sori ẹrọ 64-bit JDK lori pẹpẹ Linux kan:
- Ṣe igbasilẹ faili jdk-9. kekere. aabo. …
- Yi itọsọna pada si ipo ti o fẹ fi sori ẹrọ JDK, lẹhinna gbe. oda. alakomeji gz archive si itọsọna lọwọlọwọ.
- Yọ bọọlu tarbo ki o fi JDK sori ẹrọ: % tar zxvf jdk-9. …
- Paarẹ awọn. oda.
Bawo ni MO ṣe fi Java sori ebute Linux?
Fifi Java sori Ubuntu
- Ṣii ebute naa (Ctrl + Alt + T) ki o ṣe imudojuiwọn ibi ipamọ package lati rii daju pe o ṣe igbasilẹ ẹya sọfitiwia tuntun: imudojuiwọn sudo apt.
- Lẹhinna, o le fi igboya fi sori ẹrọ Apo Idagbasoke Java tuntun pẹlu aṣẹ atẹle: sudo apt fi sori ẹrọ aiyipada-jdk.
JDK wo ni MO yẹ lati ṣe igbasilẹ fun Ubuntu?
Nipa aiyipada, Ubuntu 18.04 pẹlu Ṣii JDK (orisun orisun JRE ati ẹya JDK). Apo yii nfi sori ẹrọ Ṣii ẹya JDK 10 tabi 11. Titi di Oṣu Kẹsan ọdun 2018, OpenJDK 10 ti fi sori ẹrọ. Lẹhin Oṣu Kẹsan 2018, OpenJDK 11 ti fi sii.