\u4e0b\u8f09<\/a><\/p>\n <\/p>\n
powen@ubuntu:~$ java -version<\/b><\/p>\n
The program ‘java’ can be found in the following packages:<\/p>\n
* default-jre<\/p>\n
* gcj-4.9-jre-headless<\/p>\n
* gcj-5-jre-headless<\/p>\n
* openjdk-8-jre-headless<\/p>\n
* gcj-4.8-jre-headless<\/p>\n
* openjdk-9-jre-headless<\/p>\n
Try: sudo apt install <selected package><\/p>\n
powen@ubuntu:~$ sudo apt-get update <\/b><\/p>\n
Hit:1 httpss:\/\/us.archive.ubuntu.com\/ubuntu xenial InRelease<\/p>\n
Get:2 httpss:\/\/security.ubuntu.com\/ubuntu xenial-security InRelease [94.5 kB]<\/p>\n
Get:3 httpss:\/\/us.archive.ubuntu.com\/ubuntu xenial-updates InRelease [94.5 kB]<\/p>\n
Get:4 httpss:\/\/security.ubuntu.com\/ubuntu xenial-security\/main i386 Packages [73.7 kB]<\/p>\n
powen@ubuntu:~$ sudo apt-get install default-jdk<\/p>\n
powen@ubuntu:~$ update-alternatives –display java<\/p>\n
java – auto mode<\/p>\n
link best version is \/usr\/lib\/jvm\/java-8-openjdk-i386\/jre\/bin\/java<\/p>\n
link currently points to \/usr\/lib\/jvm\/java-8-openjdk-i386\/jre\/bin\/java<\/p>\n
link java is \/usr\/bin\/java<\/p>\n
slave java.1.gz is \/usr\/share\/man\/man1\/java.1.gz<\/p>\n
\/usr\/lib\/jvm\/java-8-openjdk-i386\/jre\/bin\/java – priority 1081<\/p>\n
slave java.1.gz: \/usr\/lib\/jvm\/java-8-openjdk-i386\/jre\/man\/man1\/java.1.gz<\/p>\n
powen@ubuntu:~$ sudo apt-get install ssh<\/b><\/p>\n
[sudo] password for powen:<\/p>\n
Reading package lists… Done<\/p>\n
Building dependency tree<\/p>\n
Reading state information… Done<\/p>\n
The following additional packages will be installed:<\/p>\n
ncurses-term openssh-client openssh-server openssh-sftp-server ssh-import-id<\/p>\n
Suggested packages:<\/p>\n
ssh-askpass libpam-ssh keychain monkeysphere rssh molly-guard<\/p>\n
The following NEW packages will be installed:<\/p>\n
ncurses-term openssh-server openssh-sftp-server ssh ssh-import-id<\/p>\n
The following packages will be upgraded:<\/p>\n
openssh-client<\/p>\n
powen@ubuntu:~$ ssh-keygen -t dsa -P ” -f ~\/.ssh\/id_dsa<\/p>\n
Generating public\/private dsa key pair.<\/p>\n
Created directory ‘\/home\/powen\/.ssh’.<\/p>\n
Your identification has been saved in \/home\/powen\/.ssh\/id_dsa.<\/p>\n
Your public key has been saved in \/home\/powen\/.ssh\/id_dsa.pub.<\/p>\n
The key fingerprint is:<\/p>\n
SHA256:Be+Q4bgfAQ4MGRZl\/5uiULoEKGDp3t3hxkFvPJ3uT0g powen@ubuntu<\/p>\n
The key’s randomart image is:<\/p>\n
+—[DSA 1024]—-+<\/p>\n
| =B+ . o |<\/p>\n
| .o..+ + = |<\/p>\n
|.o +.= o |<\/p>\n
|= .oo=. . |<\/p>\n
|+. . .oS=.E |<\/p>\n
|o..o. +.+++ . |<\/p>\n
| .+. ..=+ o . |<\/p>\n
| . o … . . |<\/p>\n
| . . … |<\/p>\n
+—-[SHA256]—–+<\/p>\n
powen@ubuntu:~$ ll ~\/.ssh<\/p>\n
total 16<\/p>\n
drwx—— 2 powen powen 4096 May 31 19:40 .\/<\/p>\n
drwxr-xr-x 17 powen powen 4096 May 31 19:40 ..\/<\/p>\n
-rw——- 1 powen powen 668 May 31 19:40 id_dsa<\/p>\n
-rw-r–r– 1 powen powen 602 May 31 19:40 id_dsa.pub<\/p>\n
powen@ubuntu:~$ cat ~\/.ssh\/id_dsa.pub >> ~\/.ssh\/authorized_keys<\/p>\n
powen@ubuntu:~$ cd Desktop\/<\/p>\n
powen@ubuntu:~\/Desktop$ wget httpss:\/\/apache.stu.edu.tw\/hadoop\/common\/hadoop-2.6.4\/hadoop-2.6.4.tar.gz<\/p>\n","protected":false},"excerpt":{"rendered":"
install java PDF \u4e0b\u8f09 powen@ubuntu:~$ java -versio […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[324],"class_list":["post-8835","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-hadoop-install"],"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8835"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8835"}],"version-history":[{"count":5,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8835\/revisions"}],"predecessor-version":[{"id":8840,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/8835\/revisions\/8840"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}