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  • Enable Ubuntu 19.04 Server to start over LAN (Wake-on-LAN)

    Posted at:
    Sunday, July 28, 2019 0:06 am
    Category:
    • Computer
    Tags:
    • Server
    • Linux
    • Ubuntu

    History

    I decided to suspend the file server during the daytime on weekdays to save electricity, so I have to manually cancel the suspend on a public holiday weekday. This itself is unavoidable, but at least, I want to be able to turn on remotely via LAN from the main machine rather than the power button . So I try the fanction called Wake-on-LAN.

    Read More…
  • Suspend file server (ubuntu 19.04) only during weekday daytime

    Posted at:
    Saturday, July 20, 2019 11:48 pm
    Category:
    • Computer
    Tags:
    • Server
    • Linux
    • NAS
    • Ubuntu

    Purpose

    I am running my file server, but it is not used during the daytime of the weekday. So I’m going to suspend it when I don’t use.

    Read More…
  • 'Turn off returning from suspend by the mouse'

    Posted at:
    Friday, July 19, 2019 11:52 pm
    Category:
    • Computer
    Tags:
    • PC
    • Linux
    • Ubuntu

    There is a strange phenomenon that the main PC returns from the suspend without automatically. I was observing it, and it seemed to wake when the refrigerator groaned.

    It’s not actually link PC and refrigerator, so I think the mouse is picking up the vibration of the refrigerator.

    So disable to return by mouse.

    Read More…
  • Capture a game (Switch) on Ubuntu

    Posted at:
    Friday, July 19, 2019 2:55 am
    Category:
    • Computer
    Tags:
    • pc
    • linux
    • ubuntu
    • peripherals

    I thought it’s not enough to bother to make an article, but I posted because it was too cumbersome when I search it.
    I think If you’re a gamer who want to capture gaming display, you must have Windows PC and use it to capturing.
    In my case,I use Windows10 reluctantly for only PC games, so I want to do something as much as possible on Linux,
    but it would be a rare case.

    Read More…
  • Install ZFS to Ubuntu Server 19.04 and build RAID1

    Posted at:
    Monday, July 15, 2019 11:59 am
    Category:
    • Computer
    Tags:
    • Server
    • Homebuilt computer
    • Linux
    • NAS
    • Ubuntu
    • ZFS_on_Linux

    Circumstance

    Less than half a year to move the PC to homebrew NAS. Because of lack of budget, My NAS has single HDD,
    but now, I want to buy additional HDD and build mirroring to save my data

    At first, i was going to build a raid1 with ext4 and motherboard function, but after research, I decided to install a file system called ZFS. The reasons are following,

    • The file system itself supports RAID
    • Many useful functions such as transparent compression and snapshots
    • It eats cpu and memory, On the other hand, I can think that make good use of my NAS’s specs.
    Read More…