Linux increases swap virtual memory

User demand: Swap space is not enough, need to expand the swap

Operation Steps:

One: Partition

Fdis/dev/sdb #在sdb硬盘上划分一个分区给swap

N #创建一个新分区

P #创建主分区

+2g #给sdb1 2G of space

T #更改id

#swap的id为82

W #保存

Two: Formatting partitions

MKSWAP/DEV/SDB1 #格式化分区

Three: Write boot automatically mount

Vi/etc/fstab

Join:/DEV/SDB1 swap default 0 0

W: Save

Four: Activating the new swap partition

SWAPON/DEV/SDB1 (equivalent to the Mount command)

V: Verify that New is correct

Swapon-s

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/DEV/SDB1 join to swap successful

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Linux increases swap virtual memory