coredump

Let's record crash

This page describes how to set up your operating system to record the environment at each "crash"

At present, only Debian and OpenSolaris are described.

Debian (r4.0, 2.6.18)

# mkdir /coredumps; chmod 777 /coredumps
# echo "2" > /proc/sys/fs/suid_dumpable (2=suidsafe; man proc for more details)
# sysctl -w "kernel.core_pattern=/coredumps/%h%t%e_P%pU%uG%g_SIG%s.core" (man core) -- beware that the effective length of filename should not cross 53 characters!
# ulimit -c 50000 -- user-specific, to make it system-wide do the following.
# vi /etc/security/limits.conf -- add the following line

* soft core SIZE_IN_KB

OpenSolaris