Remove eclipse from Mac OSX

in mac

remove eclipse folder and folowings:
~/.eclipse (folder);
~/Library/Saved Application/org.eclipse.eclipse.savedState;
~/Library/Preferences/org.eclipse.eclipse.plist;
~/Library/Caches/org.eclipse.eclipse;
… and of course the eclipse install folder

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Remove jdk1.8 at Mac OSX筆記

in mac 
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sudo rm -rf /Library/Java/JavaVirtualMachines/jdk<version>.jdk
sudo rm -rf /Library/PreferencePanes/JavaControlPanel.prefPane
sudo rm -rf /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin

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Java使用自簽證書訪問https網站筆記

in java

  1. 用firefox瀏覽器取得https網站的server crt，並存成local.crt

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    google firefox get ssl cert

  2. 利用keytool產生java client端要用的client keysotre

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    keytool -import -alias ocsg.keystore -keystore ocsg.keystore -file localhost.crt
     #建立的同時要輸入密碼，密碼會在下一步用到
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insall oracle jdk at linux CentOS筆記

in java
  1. 下載jdk

  2. 解壓縮到/usr/java/

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    tar -zxvf jdk1.7.0_45.tar.gz

  3. 修改/etc/profile與/etc/profile/etc/bashrc，加入以下

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    # JDK environment
    JAVA_HOME=/usr/java/jdk1.7.0_45
    PATH=$PATH:$JAVA_HOME/bin/

  4. 登出再登入，or source /etc/profile

  5. java -version

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Cwza

Hello everyone.
I’m cwza.
Welcome to my blog.


Software Engineer


Taiwan/Taipei