How do I find out that how many files are open and how many allowed in Linux server operating systems?
[continue reading…]

Is there a limit to how many drives you can have in one RAID-5? What is the maximum number of physical drives recommended in a RAID-5 set?
[continue reading…]

I‘m getting an error which read as follows under FreeBSD 7.2 server and Squid stable caching server:

WARNING! Your cache is running out of filedescriptors

How do I fix this problem and increase the number of system-wide available filedescriptors for FreeBSD server?
[continue reading…]

Q. I’m using ProFTPD FTP server under CentOS Linux. How do I make sure that my FTP client does not disconnect or timeout connection to FTP server?
[continue reading…]

I‘ve Squid Proxy server with over 100 Windows workstation. I see following error message in my cache.log file:

WARNING! Your cache is running out of filedescriptors

Do I need to filter proxy server requests to avoid this problem? How do I fix this problem under CentOS / Fedora / RHEL / Debian Linux?
[continue reading…]

How do I increase the maximum number of open files under CentOS Linux? How do I open more file descriptors under Linux?
[continue reading…]