◆当blogは、Linuxサーバ構築する際の実際の設定手順を個人的メモとして記載しております。LinuC試験の役に立つ情報があるかも…？
メモリやCPUの使用状況（5秒間隔で2回チェック）
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# vmstat 5 2
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 300 51472 166104 116804 0 0 0 0 2 2 0 0 100 0 0
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現在動作中のプロセスを表示する
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# ps aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.2 19360 1388 ? Ss Mar08 0:04 /sbin/init
root 2 0.0 0.0 0 0 ? S Mar08 0:01 [kthreadd]
root 3 0.0 0.0 0 0 ? S Mar08 0:00 [migration/0]
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物理メモリ，仮想メモリの使用状況を表示する
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# free
total used free shared buffers cached
Mem: 502360 450904 51456 0 166104 116768
-/+ buffers/cache: 168032 334328
Swap: 1048568 300 1048268
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ハードディスクのパーテション情報などを表示する
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# df -h
Filesystem Size Used Avail Use% マウント位置
/dev/sda3 6.7G 3.4G 3.0G 54% /
tmpfs 246M 0 246M 0% /dev/shm
/dev/sda1 248M 37M 199M 16% /boot
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