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Linux Journal: Tweaking Tux, Part 3

Oct 08, 2000, 11:51 (0 Talkback[s])
(Other stories by Marcel Gagné)


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"Hello, True Believers, and welcome back to the Corner; the SysAdmin's Corner, that is. Sit down and get comfortable as we continue to explore the pokes, prods and tweaks that affect old Tux's performance and, in some cases, simply how he does things. Many different factors affect performance. Changing one thing may or may not translate into a noticeable performance improvement. Sometimes, it's a question of a little tweaking here and a little tweaking there. Deciding what to change can be quite challenging. It also helps to be able to determine where the bottlenecks are."

"Last time around, we looked at the uptime command (among other things) and what it tells you about what your system is doing right now. In particular, uptime tracks the load average, or number of processes waiting to be dealt with...."

"For a more comprehensive peek into what you system is doing, try the top command. The first thing you'll notice is that the load average numbers from the uptime command are also part of the top display. Running top delivers far more information than the uptime command does by itself, including the actual number of processes, distribution of work done between system and user processes, memory utilization, and much more."

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