Lloyd Leung

Category: Linux

  • How I Resolved the “mmc1: Controller Never Released Inhibit Bit(s)” Error on My Raspberry Pi 4 with an Argon One M.2 NVMe SSD

    If you’ve been experimenting with running your operating system from an M.2 NVMe drive on your Raspberry Pi 4, you may have encountered the infamous mmc1: Controller never released inhibit bit(s) error. It can be both frustrating and confusing—particularly if your Pi was happily running from the SSD one day and suddenly decided to fail…

  • Automation…

    Controllers: Raspberry PI for the logic. it’ll have it’s own 802.11n USB adapter   Project Ideas: The promise, is to use an ESP8266, to control a bunch of relays.  Using the Raspberry PI for logic control. DIY 1 plug relay – HRV control. Check to see (via the NEST) if the humidity is high or…

  • rsync target permissions and ownership

    Add these flags, to set the target permissions, and ownership –chmod=a+rwx,g+rwx,o-wx –chown=OWNER:GROUP the chmod is 774.    

  • Excel date to unix time integer or unix time to excel date.

    FROM unix to excel date. [plain]=CELL/(60*60*24)+"1/1/1970"[/plain] From excel date to unix time. [text]=(CELL-"1970-01-01")*60*60*24[/text]   where “CELL” is your excel cell you’re trying to handle. CELL can also be replaced with the NOW() function.  

  • [fixed] raspbian / debian apt-get connect (101: Network is unreachable)

    Are you having issues When I ran: $> sudo apt-get install mosh Reading package lists… Done Building dependency tree Reading state information… Done The following extra packages will be installed: libio-pty-perl libprotobuf7 libutempter0 The following NEW packages will be installed: libio-pty-perl libprotobuf7 libutempter0 mosh 0 upgraded, 4 newly installed, 0 to remove and 1 not…

  • xdebug.ini with phpstorm

    [Server xdebug.ini file] zend_extension=xdebug.so xdebug.remote_enable=true xdebug.remote_connect_back = On xdebug.profiler_enable=1 xdebug.profiler_output_dir=”/tmp” Zero config phpstorm xdebug mode will now work.     [Ensure your router isn’t blocking xdebug] Port Trogger is turned on Trigger port: 80/tcp Incoming port 9000/tcp OR Set your local machine as the DMZ OR Port forwarding

  • Personal domain cname alias to ddns

    I know this will be giberish to most of my friends… if you have your own personal domain name; and decent router that supports ddns services, or a computer remains on most of the time, you could get something like: DOMAIN: privatelan.lloydleung.com to point to your home LAN, and no longer a need to remember…

  • pidgin.im msn protocol alternative: msn-pecan [update #2]

    Okay, Been working with pidgin w/msn-pecan on ubuntu 10.04.  New problem, pecan doesn’t crash pidgin anymore, however I am logged out after I’ve been away from my computer a little bit.  As in, when the screen saver kicks in, pecan logs me out or can’t maintain a connection. Doesn’t seem to happen in windows 7.…

  • little project ideas

    Just found a need to access my home server… however, it’s powered down… how can I overcome this problem in the future.  To answer my own question…  I should go lookup how to send a wake-on-lan command to the box. As well as know what my IP is… project ideas: 1.) Current IP notifier – send…