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    • [SOLVED] How to create a swap partition after the installation of Linux (deepin)
    Community Discussion 4026 views · 10 replies ·
    Tofloor
    poster avatar
    Blogghete
    deepin
    2018-05-25 02:31
    Author
    Edited by Blogghete at 2018-5-28 17:37

    [SOLVED] How to create a swap partition after the installation of Linux (deepin)

    I have installed deepin.
    Because of the freezes of the operating system, I opted for a swap partition.

    Can I create it?
    And if yes, how to do it?

    Many thanks in advance.


    == SOLUTION ==
    The solution is to create a swap file instead of a swap partition. It is very easy:
    # create a swap file of 2GB (swap size)
    sudo fallocate -l 2G /var/swapfile

    # reset file permissions
    sudo chmod 600 /var/swapfile

    # activate the swap file (1 of 2)
    sudo /sbin/mkswap /var/swapfile

    # activate the swap file (2 of 2)
    sudo swapon /var/swapfile

    # edit the /etc/fstab file to add an entry for the swap file to activate swap file permanently
    sudo gedit /etc/fstab
    replace the similar existing row with the following:
    /var/swapfile none swap defaults 0 0

    Save the file.

    the details of swap file information can be found in https://wiki.archlinux.org/index.php/Swap




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    152******14
    deepin
    2018-05-25 05:41
    #1
    https://bbs.deepin.org/post/133470交换分区

    https://bbs.deepin.org/post/39614

    看看能不能解决你的问题 英语不好，这是借助谷歌翻译看的。
    Reply View the author
    Blogghete
    deepin
    2018-05-25 05:44
    #2
    https://bbs.deepin.org/post/156953
    https://bbs.deepin.org/post/133470#交换分区

    https://bbs.deepin.or ...

    Many thanks in advance.
    Can you translate the Chinese documents?
    Reply View the author
    152******14
    deepin
    2018-05-25 05:54
    #3
    https://bbs.deepin.org/post/156953
    Many thanks in advance.
    Can you translate the Chinese documents?

    你 把 文件 复制到记事本上  然后用谷歌浏览器打开  。会提示你要不要翻译，点击确定  可以当做网页一样整本翻译。举例子，我一般是把 外文复制到 记事本 选择打开方式谷歌浏览器  会提示我 是否翻译，点击确定  ，整篇都给我翻译成中文了。
    Reply View the author
    许自强
    deepin
    Ecological co-builder
    2018-05-25 07:21
    #4
    https://bbs.deepin.org/post/156953
    Many thanks in advance.
    Can you translate the Chinese documents?

    You can use the google translate, or search by google how to do. The only thing I can tell you is that it can be  done absolutely
    Reply View the author
    nero28
    deepin
    2018-05-25 07:37
    #5
    Blogghete 发表于 2018-5-24 21:44
    Many thanks in advance.
    Can you translate the Chinese documents?

    searching the answer on google is much better
    Reply View the author
    Blogghete
    deepin
    2018-05-25 07:44
    #6
    Great, many thanks,
    I hope that the next deepin release will include a default swap partition.
    Reply View the author
    MeowSprite
    deepin
    2018-05-25 09:15
    #7
    本帖最后由 MeowSprite 于 2018-5-25 16:55 编辑

    Try to use swap file instead of swap partition. Just run following commands with root privilege:
    # create a swap file of 2GB (swap size)
    1. fallocate -l 2G /var/swapfile
    Copy the Code
    # reset file permissions
    1. chmod 600 /var/swapfile
    Copy the Code
    # format swap file
    1. mkswap /swapfile
    Copy the Code

    # activate the swap file
    1. swapon /var/swapfile
    Copy the Code
    # edit the /etc/fstab file to add an entry for the swap file to activate swap file permanently
    1. /var/swapfile none swap defaults 0 0
    Copy the Code
    the details of swap file information can be found in https://wiki.archlinux.org/index.php/Swap
    Reply View the author
    caoyuan217
    deepin
    2018-05-25 17:19
    #8
    https://bbs.deepin.org/post/156953
    Great, many thanks,
    I hope that the next deepin release will include a default swap partition.

    when you install the system via    CD or usb DISK ,  the  install program offer 2 ways of disk partition:      one is automatic partiton ,in which  there is no swap partition, in another option  manully partition (expert mode of partition),you  can made your own partition paln ,such as   root(/)   home(/home )   and the swap ,    the system wiil   mount them automatically.    So  ,    further  deepin release will not  include a default swap partition  bacause  it has the plan of sawp partiton right now.  Hope can help u . If you  bulid one system without swap partition , you can always turn to the google or  stn  else for help ,there are plenty  of  web
    pages that can help you .   Though I can not remenber the details,  the common ways including  resizing your current disk to build an empty partiton ,formatting it as   swap  ,as mounting it by editing  fstab  .Make sure your data is safe before all your moves.
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    Comments
    Blogghete
    2018-05-25 23:46
    Ok, thanks for these info.
    Blogghete
    deepin
    2018-05-25 23:44
    #9
    https://bbs.deepin.org/post/156953
    本帖最后由 MeowSprite 于 2018-5-25 01:17 编辑

    Try to use swap file instead of swap partition. Jus ...

    Great!
    Many thanks for these commands.

    I will try to execute them.
    Thanks for your support.
    Reply View the author
    Blogghete
    deepin
    2018-05-25 23:55
    #10
    Edited by Blogghete at 2018-5-28 12:16
    https://bbs.deepin.org/post/156953
    本帖最后由 MeowSprite 于 2018-5-25 01:17 编辑

    Try to use swap file instead of swap partition. Jus ...

    Hi,
    when I try to run this command an error occurs
    sudo swapon /var/swapfile

    Results:
    swapon: /var/swapfile: read swap header failed

    How can I fix this?

    UPDATE:
    I have fixed this with this command:
    sudo /sbin/mkswap /var/swapfile
    sudo swapon /var/swapfile



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