Too many open files
The Linux kernel may complain "Too many open files". This is due to the small default value (8096) for file-max. To fix this problem, run the following command as root:
# echo "65536" > /proc/sys/fs/file-max # for 2.2 and 2.4 kernel # echo "131072" > /proc/sys/fs/inode-max # for 2.2 kernel only
or put the following into /etc/sysctl.conf for the permanent change:
file-max=65536 # for 2.2 and 2.4 kernel inode-max=131072 # for 2.2 kernel only