reset ulimit

gistfile1.txt

# vi /etc/security/limits.conf

[Modify or add "nofile" (number of file) entries - note
that a userid can be used in place of *]
*                soft    nofile          64000
*                hard    nofile          64000

# vi /etc/pam.d/login
[Add the line]
session    required   /lib/security/pam_limits.so

[On many systems this will be sufficient - log in as a regular
user and try it before doing the following steps]

[These steps may be required depending on how PAM and ssh are configured
[Note on some systems - Debian?]
# vi /etc/pam.d/ssh
[Note on other systems - RedHat]
# vi /etc/pam.d/sshd
[Add the line]
session    required   /lib/security/pam_limits.so

# vi /etc/ssh/sshd_config
[May need to modify or add the line]
UsePrivilegeSeparation no

[Restart the ssh daemon]
[Note on some systems - Debian?]
# /etc/init.d/ssh reload
[Note on other systems - RedHat]
# /etc/rc.d/init.d/sshd reload