Linux Mint: Modify JAVA HOME for All Users

Categories: Linux; Tagged with: ; @ April 27th, 2014 12:14

Solution A:  Modify /usr/bin/java link

# which java
# java -version
java version "1.7.0_25"
OpenJDK Runtime Environment (IcedTea 2.3.12) (7u25-2.3.12-4ubuntu3)
OpenJDK 64-Bit Server VM (build 23.7-b01, mixed mode)
# ls -ld /usr/bin/java
lrwxrwxrwx 1 root root 22 Apr 16 21:47 /usr/bin/java -> /etc/alternatives/java
# rm /usr/bin/java
# ln -s /guoliangDev/tools/sun-jdk/jdk1.7.0_55/bin/java /usr/bin/java
# java -version
java version "1.7.0_55"
Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode)

Solution B: Modify /etc/profile

#vi /etc/profile


export JAVA_HOME=/guoliangDev/tools/sun-jdk/jdk1.7.0_55
export PATH=$JAVA_HOME/bin:$PATH

save the file, and

source /etc/proflie

Using aMule to download eMule/ED2K in Linux/ubuntu/Mint

Categories: Linux分享; Tagged with: ; @ March 30th, 2014 21:23

Get a web UI to download ed2k link by following post:


Cannot connect to the Server or Server list is empty:

Get the server.met from:, replace your server.met;



Online SSH Client from

Categories: Development NotesLinux; Tagged with: ; @ March 23rd, 2014 1:14

Access your server via. online https SSH Client:



Btw, C9’s online IED is awesome,  take a look it’s html editor:


Backup SVN repository using svnadmin dump 使用svnadmin dump备份SVN资料库

Categories: Development NotesLinux; Tagged with: ; @ June 27th, 2012 15:40

svnadmin dump ./repository/project > /home/backup/project_backup.svn.dump



Categories: Linux; Tagged with: ; @ December 26th, 2010 23:03

date –R

修改时区: 调整时区到东八区 – 北京时间 
[root@localhost ~]# cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
cp: overwrite `/etc/localtime’? y

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