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centos 新建swap区文件

时间:2017-11-19 10:36:51      阅读:174      评论:0      收藏:0      [点我收藏+]

一. 相当详细且流程完整,(推荐阅读)

在centos7上新建swap区

https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-centos-7

 

 二. centos官网

转:https://www.centos.org/docs/5/html/5.2/Deployment_Guide/s2-swap-creating-file.html

5.2.3. Creating a Swap File

To add a swap file:

  1. Determine the size of the new swap file in megabytes and multiply by 1024 to determine the number of blocks. For example, the block size of a 64 MB swap file is 65536.

  2. At a shell prompt as root, type the following command with count being equal to the desired block size:

    dd if=/dev/zero of=/swapfile bs=1024 count=65536
    
  3. Setup the swap file with the command:

    mkswap /swapfile
    
  4. To enable the swap file immediately but not automatically at boot time:

    swapon /swapfile
    
  5. To enable it at boot time, edit /etc/fstab to include the following entry:

    /swapfile swap swap defaults 0 0
    

    The next time the system boots, it enables the new swap file.

  6. After adding the new swap file and enabling it, verify it is enabled by viewing the output of the command cat /proc/swaps or free.

 

centos 新建swap区文件

原文:http://www.cnblogs.com/jhj117/p/7859037.html

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