Where is my jdk located Linux?
Ngenye indlela, ungasebenzisa 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.
Ngazi kanjani ukuthi i-jdk yami ifakwe kuphi?
Qala imenyu > Ikhompyutha > Izakhiwo Zesistimu > Izakhiwo Zesistimu Ethuthukisiwe. Bese uvula ithebhu ethi Okuthuthukisiwe > Okuguquguqukayo kwemvelo kanye nokuguquguquka kwesistimu zama uku thola i-JAVA_HOME. Lokhu kunginika ifolda ye-jdk.
Ikuphi i-jdk efakwe ku-Ubuntu?
Ngokuvamile, i-java ifakwa ku- /usr/lib/jvm . Kulapho i-sun jdk yami ifakwe khona. hlola ukuthi ingabe iyafana ku-open jdk futhi. Ku-Ubuntu 14.04, iku/usr/lib/jvm/default-java .
Ngazi kanjani ukuthi i-Tomcat ifakiwe ku-Linux?
Ukusebenzisa amanothi okukhululwa
- I-Windows: thayipha UKUKHULULWA-AMANOTHI | thola "Inguqulo ye-Apache Tomcat" Okukhiphayo: Inguqulo ye-Apache Tomcat 8.0.22.
- I-Linux: AMANOTHI OKUKHISHWA-KATI | grep “Inguqulo ye-Apache Tomcat” Okukhiphayo: Inguqulo ye-Apache Tomcat 8.0.22.
Ngiyithola kanjani inguqulo ye-Linux OS?
Hlola inguqulo ye-os ku-Linux
- Vula uhlelo lokusebenza lwetheminali (igobolondo le-bash)
- Ukungena ngemvume kweseva usebenzisa i-ssh: ssh user@server-name.
- Thayipha noma yimuphi umyalo olandelayo ukuze uthole igama le-os nenguqulo ku-Linux: ikati /etc/os-release. lsb_khulula -a. i-hostnamectl.
- Thayipha umyalo olandelayo ukuze uthole inguqulo ye-Linux kernel: uname -r.
How do I know if I have java installed from command prompt?
Impendulo
- Vula umyalo womyalo. Landela indlela yemenyu Qala > Izinhlelo > Izesekeli > I-Command Prompt.
- Uhlobo: java -version bese ucindezela u-Enter kukhibhodi yakho. Umphumela: Umlayezo ofana nalokhu okulandelayo ukhombisa ukuthi i-Java ifakiwe futhi usulungele ukusebenzisa i-MITSIS nge-Java Runtime Environment.
Ngazi kanjani ukuthi ngine-JDK noma i-OpenJDK?
Ungabhala umbhalo we-bash olula ukuze uhlole lokhu:
- Vula noma yimuphi umhleli wombhalo (okungcono i-vim noma emacs).
- Dala ifayela elinegama elithi script.sh (noma yiliphi igama eline-. …
- namathisela ikhodi elandelayo kuyo: #!/bin/bash uma [[ $(java -version 2>&1) == *”OpenJDK”* ]]; bese enanela ok; enye i-echo 'akulungile'; fi.
- gcina bese uphuma kumhleli.
Ngiyithola kanjani indlela yami ye-java?
Qinisekisa i-JAVA_HOME
- Vula iwindi le-Command Prompt (Win⊞ + R, thayipha cmd, hit Enter).
- Faka i-echo yomyalo %JAVA_HOME%. Lokhu kufanele kukhiphe indlela eya kufolda yakho yokufaka i-Java. Uma kungenjalo, okuhlukile kwe-JAVA_HOME akusethwanga kahle.
Ngiyilanda kanjani i-JDK ku-Linux?
Ukufaka i-64-bit JDK endaweni ye-Linux:
- Landa ifayela, jdk-9. encane. ezokuphepha. …
- Shintsha uhla lwemibhalo lube indawo ofuna ukufaka kuyo i-JDK, bese uhambisa ifayela le-. itiyela. gz gcina kanambambili kuhla lwemibhalo lwamanje.
- Khipha i-tarball bese ufaka i-JDK: % tar zxvf jdk-9. …
- Susa ifayela le-. itiyela.
Ngiyifaka kanjani i-Java ku-terminal ye-Linux?
Ifaka i-Java ku-Ubuntu
- Vula i-terminal (Ctrl+Alt+T) futhi ubuyekeze inqolobane yephakheji ukuze uqinisekise ukuthi ulanda inguqulo yesofthiwe yakamuva: i-sudo apt update.
- Ngemuva kwalokho, ungafaka ngokuzethemba i-Java Development Kit yakamuva ngomyalo olandelayo: sudo apt install default-jdk.
Iyiphi i-JDK okufanele ngiyilande ye-Ubuntu?
Ngokuzenzakalelayo, Ubuntu 18.04 ihlanganisa i-Open JDK (umthombo ovulekile we-JRE kanye nenguqulo ye-JDK). Le phakheji iyafaka Inguqulo ye-OpenJDK 10 noma 11. Kuze kube uSepthemba 2018, i-OpenJDK 10 ifakiwe. Ngemuva kukaSepthemba 2018, i-OpenJDK 11 ifakiwe.