Well , I've tried to compile and install Eclipse 3.6.2 using the instructions in : How to update Eclipse 3.5.2 to 3.6.2? . But Eclipse doesn't open. user@s-HP-550:~$ eclipse bash: /usr/bin/eclipse: Permission denied Edit : user@s-HP-550:~$ ls -l /usr/bin/eclipse -rw-r--r-- 1 root root 70 2011-06-12 18:15 /usr/bin/eclipse user@s-HP-550:~$ file /usr/bin/eclipse /usr/bin/eclipse: POSIX shell script text executable