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Last used swap was also kept notes, opened it ... and paid the price for his lazy, this record really about, just simple four-step
First, create a temporary file, executetouch temp
The second step, allocate space for temporary files, executesudo fallocate -l 32G temp
The third step is to open up swap space, executesudo mkswap temp
The fourth step, turn on swap space, executesudo swapon temp
See swap space, performed free -h, as shown in FIG.
Close swap space, executesudo swapoff swapfile
