Ingabe i-OpenJDK ifakiwe ku-Linux?
I-Red Hat Enterprise Linux ifaka i-OpenJDK 1.6 kukho kokubili /usr/lib/jvm/java-1.6.
Ikuphi i-OpenJDK efakwe i-Linux?
I-OpenJDK 11 itholakala /usr/lib/jvm/java-11-openjdk-amd64/bin/java. I-OpenJDK 8 itholakala ku/usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java.
Ngazi kanjani ukuthi i-JRE ifakiwe ku-Linux?
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.
I-yum iyifaka kuphi i-OpenJDK?
Ngokuvamile bahlala ngaphakathi /usr/lib/jvm . Ungawabhala nge-ll/usr/lib/jvm. Inani odinga ukulifaka kunkambu JAVA_HOME ku-jenkins ngu/usr/lib/jvm/java-1.8. 0-openjdk .
Ikuphi i-java efakwe ku-redhat?
Amaphakheji e-JRE kanye ne-JDK e-Red Hat Enterprise Linux afakwe kuhlu lwemibhalo oluhlukene ngaphansi /usr/lib/jvm . Lokhu kuzivumela ukuthi zifakwe kanyekanye. Nokho, inguqulo eyodwa kuphela engaba endleleni yomyalo wegobolondo njenge-java noma i-javac ngesikhathi.
Ithini i-OpenJDK yakamuva?
Manje ake sihlole izinguqulo ze-OpenJDK:
- Iphrojekthi ye-OpenJDK 8 - 18 Mashi 2014.
- Iphrojekthi ye-OpenJDK 8u - le phrojekthi ithuthukisa izibuyekezo ze-Java Development Kit 8.
- Iphrojekthi ye-OpenJDK 9 - 21 Septhemba 2017.
- Ukukhishwa kwephrojekthi ye-JDK 10 - 20 Mashi 2018.
- Ukukhishwa kwephrojekthi ye-JDK 11 - 25 Septhemba 2018.
- Ukukhishwa kwephrojekthi ye-JDK engu-12 - Isigaba sokuzinzisa.
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.
Ngiyithola kanjani indlela yami ye-java?
Vula iwindi le-Command Prompt (Win⊞ + R, thayipha cmd, hit Enter). Faka i umyalo we-echo %JAVA_HOME% . Lokhu kufanele kukhiphe indlela eya kufolda yakho yokufaka i-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.
Ngazi kanjani ukuthi i-JRE ifakiwe ku-Ubuntu?
Ngiyibheka kanjani inguqulo yami ye-JRE?
- 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.
Ngihlola kanjani ukuthi ngine-java?
Thayipha "java -version" ku-Command Prompt, bese ucindezela u-Enter kukhibhodi yakho. Ngemva kwesikhashana, isikrini sakho kufanele siveze ulwazi ikhompuyutha yakho enalo mayelana ne-Java, okuhlanganisa nenguqulo oyifakile. Uma kungekho okubonisayo, cishe kusho ukuthi awunayo i-Java efakwe kukhompuyutha yakho nhlobo.
Ngazi kanjani ukuthi iphakheji ye-yum ifakiwe?
Ungawabheka kanjani amaphakheji afakiwe ku-CentOS
- Vula uhlelo lokusebenza lwetheminali.
- Ukuze uthole iseva ekude ngena usebenzisa umyalo we-ssh: ssh user@centos-linux-server-IP-here.
- Bonisa ulwazi mayelana nawo wonke amaphakheji afakiwe ku-CentOS, sebenzisa: uhlu lwe-sudo yum lufakiwe.
- Ukubala wonke amaphakheji afakiwe qalisa: uhlu lwe-sudo yum lufakiwe | wc -l.
Ingabe i-Openjdk inayo i-Jstack?
jstack ingeyamathuluzi Okusebenza. Hlela: Ungathola i-jstack kufolda yomgqomo we-openjdk lapho konke okunye okusebenzisekayo kungatholakala njenge-java ne-javac.