http://www.cyberciti.biz/tips This is a Linux sys admin journal by Vivek about sys admin work, Linux tips & tricks, hacks, news and more. Fri, 03 Feb 2012 22:45:35 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.cyberciti.biz/tips/linux-swap-space.html http://www.cyberciti.biz/tips/linux-swap-space.html#comments Wed, 19 Nov 2008 08:50:49 +0000 Vivek Gite http://www.cyberciti.biz/tips/?p=3586 Linux and other Unix-like operating systems use the term "swap" to describe both the act of moving memory pages between RAM and disk, and the region of a disk the pages are stored on. It is common to use a whole partition of a hard disk for swapping. However, with the 2.6 Linux kernel, swap files are just as fast as swap partitions. Now, many admins (both Windows and Linux/UNIX) follow an old rule of thumb that your swap partition should be twice the size of your main system RAM. Let us say I've 32GB RAM, should I set swap space to 64 GB? Is 64 GB of swap space really required? How big should your Linux / UNIX swap space be? ]]> http://www.cyberciti.biz/tips/linux-swap-space.html/feed 58 http://www.cyberciti.biz/tips/nixcraft-faq-roundup-12.html http://www.cyberciti.biz/tips/nixcraft-faq-roundup-12.html#comments Tue, 06 Mar 2007 10:59:34 +0000 Vivek Gite http://www.cyberciti.biz/tips/nixcraft-faq-roundup-12.html http://www.cyberciti.biz/tips/nixcraft-faq-roundup-12.html/feed 0 http://www.cyberciti.biz/tips/how-do-i-find-out-linux-cpu-utilization.html http://www.cyberciti.biz/tips/how-do-i-find-out-linux-cpu-utilization.html#comments Thu, 06 Apr 2006 17:25:00 +0000 Vivek Gite http://www.cyberciti.biz/tips/how-do-i-find-out-linux-cpu-utilization.html Whenever a Linux system CPU is occupied by a process, it is unavailable for processing other requests. Rest of pending requests must wait till CPU is free. This becomes a bottleneck in the system. Following command will help you to identify CPU utilization, so that you can troubleshoot CPU related performance problems.]]> http://www.cyberciti.biz/tips/how-do-i-find-out-linux-cpu-utilization.html/feed 125