'스왑메모리'에 해당되는 글 2건

mkdir -p /var/spool/swap

dd if=/dev/zero of=/var/spool/swap/swapfile bs=1M count=1024

chmod 600 /var/spool/swap/swapfile

mkswap /var/spool/swap/swapfile

swapon /var/spool/swap/swapfile

swapon -s

echo "/var/spool/swap/swapfile none swap defaults 0 0" >> /etc/fstab

# yum install -y cpulimit

...

Error downloading packages:

  1:cpulimit-0.2-1.20151118gitf4d2682.el7.x86_64: [Errno 5] [Errno 12] Cannot allocate memory

[root@vultr-1 ~]# free -m

              total        used        free      shared  buff/cache   available

Mem:            488         339          46          28         102          98

Swap:             0           0           0

[root@vultr-1 ~]# mkdir /var/spool/swap

[root@vultr-1 ~]# dd if=/dev/zero of=/var/spool/swap/swapfile bs=1M count=512

512+0 records in

512+0 records out

536870912 bytes (537 MB) copied, 1.17655 s, 456 MB/s

[root@vultr-1 ~]# mkswap /var/spool/swap/swapfile

Setting up swapspace version 1, size = 524284 KiB

no label, UUID=82d8c6e2-eceb-4555-a2ec-8e42d62af295

[root@vultr-1 ~]# swapon /var/spool/swap/swapfile

swapon: /var/spool/swap/swapfile: insecure permissions 0644, 0600 suggested.

[root@vultr-1 ~]# free -m

              total        used        free      shared  buff/cache   available

Mem:            488         343           5          28         139          94

Swap:           511           0         511