How do I set environment variables permanently in Linux?
Ukwenza utshintsho olusisigxina kwizinto eziguquguqukayo zokusingqongileyo kuzo zonke iiakhawunti ezintsha, yiya kweyakho /etc/skel iifayile, ezinje nge. I-bashrc , kwaye utshintshe esele zikhona okanye ufake ezintsha. Xa udala abasebenzisi abatsha, ezi /etc/skel iifayile ziya kukhutshelwa kulawulo lwasekhaya lomsebenzisi omtsha.
Ndiyicwangcisa njani ngokusisigxina indlela yam yeJava kwiLinux?
amanyathelo
- Guqula kuluhlu lwakho lwasekhaya. cd $IKHAYA.
- Vula ifayile . bashrc ifayile.
- Yongeza umgca olandelayo kwifayile. Buyisela uvimba weefayili we-JDK ngegama lolawulo lwakho lofakelo lwe-java. thumela ngaphandle UMENDO=/usr/java/ /umgqomo:$UMENDO.
- Gcina ifayile kwaye uphume. Sebenzisa imvelaphi yomyalelo ukunyanzela iLinux ukuba ilayishe kwakhona ifayile.
How do I change Java environment variables in Linux?
Procedure
- Khuphela okanye ugcine inguqulelo ye-JDK efanelekileyo yeLinux. …
- Khipha ifayile ecinezelweyo kwindawo efunekayo.
- Cwangcisa i-JAVA_HOME usebenzisa i-syntax yokuthumela ngaphandle JAVA_HOME= indlela eya kwi-JDK. …
- Cwangcisa UMENDO usebenzisa i-syntax export PATH=${PATH}: indlela eya kumgqomo we-JDK. …
- Qinisekisa useto usebenzisa le miyalelo ilandelayo:
Uluseta njani utshintsho kwiLinux?
d, apho uya kufumana uluhlu lweefayile ezisetyenziselwa ukuseta iinguqu zemeko-bume yenkqubo iyonke.
- Yenza ifayile entsha phantsi kwe /etc/profile. d ukugcina ukuguquguquka kwemekobume yelizwe jikelele. …
- Vula iprofayile ehlala ikho kumhleli wokubhaliweyo. sudo vi /etc/profile.d/http_proxy.sh.
- Gcina utshintsho lwakho kwaye uphume kumhleli wokubhaliweyo.
Ndizicwangcisa njani iinguqu zemekobume kwiLinux?
Imiyalelo yeeGuquguquko zeNdalo
- env – Umyalelo udwelisa zonke iimeko eziguquguqukayo kwiqokobhe.
- printenv – Umyalelo uprinta konke (ukuba akukho kuguquguquka kwemeko-bume okuxeliweyo) kwezinto eziguquguqukayo zemekobume kunye neenkcazo zemeko-bume yangoku.
- seta – Umyalelo unika okanye uchaza umahluko wemo engqongileyo.
Ndiyicwangcisa njani iJava_home kwiLinux?
Linux
- Jonga ukuba i-JAVA_HOME sele isetiwe na, Vula iConsole. …
- Qinisekisa ukuba sele uyifakile iJava.
- Phumeza: vi ~/.bashrc OKANYE vi ~/.bash_profile.
- yongeza umgca : thumela ngaphandle JAVA_HOME=/usr/java/jre1.8.0_04.
- gcina ifayile.
- umthombo ~/.bashrc OKANYE umthombo ~/.bash_profile.
- Phumeza : echo $JAVA_HOME.
- Imveliso kufuneka iprinte indlela.
Ndiyifumana njani indlela yam kwiLinux?
Bonisa umahluko wemekobume yemendo yakho.
Xa uchwetheza umyalelo, iqokobhe lijonge kuyo kubalawuli abaxelwe ngumendo wakho. Ungasebenzisa echo $UMENDO ukufumana ukuba ngabaphi abalawuli iqokobhe lakho elimiselwe ukujonga iifayile eziphunyeziweyo. Ukwenza njalo: Chwetheza i-echo $PATH kwi-prompt yomyalelo kwaye ucinezele ↵ Ngena.
Ndiyifumana njani indlela yam yeJava kwiLinux?
Oku kuxhomekeke kancinane kwindlela yakho yokupakisha ... ukuba umyalelo we-java uyasebenza, ungachwetheza i-readlink -f $(eyiphi i-java) ukufumana indawo yomyalelo we-java. Kwinkqubo ye-OpenSUSE endikuyo ngoku iyabuya /usr/lib64/jvm/java-1.6. 0-openjdk-1.6. 0/jre/bin/java (kodwa le ayisiyonkqubo esebenzisa apt-get ).
Ndizibona njani izinto eziguquguqukayo zokusingqongileyo kwiLinux?
Uluhlu lweLinux Zonke iinguquko zemo engqongileyo Umyalelo
- printenv umyalelo – Shicilela yonke okanye inxalenye yendawo engqongileyo.
- env umyalelo-Bonisa yonke imeko-bume ethunyelwe ngaphandle okanye qhuba inkqubo kwindawo elungisiweyo.
- seta umyalelo – Dwelisa igama kunye nexabiso loguqulo lweqokobhe ngalinye.
Ndilukhetha njani uguqulelo lweJava kwiLinux?
Khetha inguqulelo yakho yeJava engagqibekanga. uhlaziyo lwe-sudo-i-java-ezinye -s $(sudo update-java-alternatives -l | grep 8 | cut -d ” ” -f1) || echo'. ' Izakulanda ngokuzenzekelayo naluphi na uhlobo lwe-java 8 olukhoyo kwaye luyisete ngokusebenzisa umyalelo wohlaziyo - iindlela ezizezinye zejava .
What is Java Home variable in Linux?
2) JAVA_HOME variable is short and concise instead of full path to JDK installation directory. 3) JAVA_HOME variable is platform independence i.e. if your startup script uses JAVA_HOME then it can run on Windows and UNIX without any modification, you just need to set JAVA_HOME on respective operating system.