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Linuxでサーバのスペックを確認するには

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CPUスペックの確認

# 物理 CPU の数
# grep physical.id /proc/cpuinfo | sort -u | wc -l

# CPU ごとのコアの数
# grep cpu.cores /proc/cpuinfo | sort -u

# 論理プロセッサーの数
# grep processor /proc/cpuinfo | wc -l

メモリスペックの確認

/proc/meminfoを参照する

# cat /proc/meminfo

dmidecodeコマンド

# メモリの本数
# dmidecode -t memory | grep 'Memory Device' | wc -l
# メモリの容量
# dmidecode -t memory | grep 'Size'

HDDの確認

lsblkコマンド

# lsblk
NAME          MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
fd0             2:0    1     4K  0 disk
sda             8:0    0 146.1G  0 disk
|-sda1          8:1    0   500M  0 part /boot
|-sda2          8:2    0     8G  0 part [SWAP]
`-sda3          8:3    0 137.6G  0 part
  `-rhel-root 253:0    0 137.6G  0 lvm  /
sr0            11:0    1  1024M  0 rom

fdiskコマンド

# fdisk -l

参考URL

https://access.redhat.com/ja/solutions/2159401
http://d.hatena.ne.jp/ike-dai/20110706/1309958404
http://takuya-1st.hatenablog.jp/entry/2016/10/02/014712

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