I‘ve Intel PRO/1000 Gigabit Ethernet adapter installed in my server. How do I set network card (NIC) polling and disable interrupts under FreeBSD operating systems to boost network performance for 100M and 1000M network links?
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?
know how to disable beep sound under Linux
, but the settings are not working under FreeBSD laptop. How do I disable beep sound on FreeBSD operating system?
Many commands accepts username and passwords on the command line and ps, top, sockstat and many commands can display this information to all users on the system. How do I prevent users from seeing information about processes that are being run under another UID to avoid information leakage under FreeBSD operating systems?
I‘ve two servers located in two different data center. Both server deals with a lot of concurrent large file transfers. But network performance is very poor for large files and performance degradation take place with a large files. How do I tune TCP under Linux to solve this problem?
I‘m not able to ping from FreeBSD prison (jail). I’m able to resolve the names or use ftp / http for ports but ping and traceroute access is disabled. How do I allow virtualized jail application / users to perform traceroute and ping commands?
Only software developers legitimately need to access core files and none of my production web server requires a core dump. How do I disable core dumps on Debian / CentOS / RHEL / Fedora Linux to save large amounts of disk space?