Set Open Files Hard Limit for a Web-Tier server
Originally Published: 2014-03-10
Article Number
Applies To
RSA Authentication Manager 8.X
Red Hat Enterprise Linux, RHEL RHEL4 RHEL5
Issue
Installation of Web Tier software fails
Resolution
"On Linux systems, verify that the open files hard limit for the local user is at least 4096."
but does not include information on how to check or change it.
See the documenmtation for your linux installation for specific details. A generic overview of the topic is below, adapted from :
http://johanlouwers.blogspot.com/2010/02/hard-limit-for-maximum-open-file.html
"Each user has per-user file descriptor limits. It includes soft and hard limits. hard limit is the absolute limit, user can set its soft limit freely to any value up to hard limit (use command: ulimit -n xxxx). Per-user limit defaults to 1024. Only root can increase the hard limit.
To change this you can add a line similar to the one below to your file:
/etc/security/limits.conf
userxyz hard nofile 65536 "
Notes
AM8.0 and AM8.1 servers (not Web Tier) includes by default:
rsaadmin hard nofile 4096
RHEL6.4 included only commented samples by default, no entries are set
RSA Appliance 3.0.4 (rPath Linux) includes:
rsaadmin hard nofile 65536
Only root should set the file. Make sure the file ends in a new line.
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