This morning I found out again there's too many zombie process and fusers were all over taking 9999% CPU usage. at that time, apache2 seems couldn't parse index.php and make the directory listing available/vieable to public. I then restarted the apache2 serviecs and the index.php worked again.
Dear Ondrej,
apt-cache policy psmisc 127.0.0. 1/ubuntu/ oneiric/main amd64 Packages dpkg/status
psmisc:
Installed: 22.14-1
Candidate: 22.14-1
Version table:
*** 22.14-1 0
500 http://
100 /var/lib/
This morning I found out again there's too many zombie process and fusers were all over taking 9999% CPU usage. at that time, apache2 seems couldn't parse index.php and make the directory listing available/vieable to public. I then restarted the apache2 serviecs and the index.php worked again.