enable coredumps on Fedora 17

1. Edit /etc/security/limits.conf, and uncomment the line as follows:

42 #
43 #
44
45 *               soft    core            unlimited

2. Edit /etc/sysctl.conf, and add lines as follows:

27 kernel.core_uses_pid = 1
28 kernel.core_pattern = /home/coredumps/core-%e-%s-%u-%g-%p-%t
29 fs.suid_dumpable = 2

3. Edit  /etc/sysconfig/init, and add a line as follows:

26 DAEMON_COREFILE_LIMIT='unlimited'

4. Edit /etc/systemd/system.conf, and uncomment the following lines:

10 [Manager]
11 #LogLevel=info
12 #LogTarget=journal-or-kmsg
13 #LogColor=yes
14 #LogLocation=no
15 DumpCore=yes
...
34 #DefaultLimitSTACK=
35 DefaultLimitCORE=infinity
36 #DefaultLimitRSS=
37 #DefaultLimitNOFILE=
38 #DefaultLimitAS=
...