./configure --prefix=/usr
make
make install (make uninstall)
rpm -ivh softwarename
rpm -e softwarename
rpm -pl softwarename
gdb：finish step next break until
ulimit -c unlimited
service httpd start
service httpd stop
service httpd restart
$ ulimit -c unlimited
$ ./program
Segment faulty (Core dumped)
$ gdb ./program core.XXXX