Inane Observations $ sudo fix_it
  • IB Physics Imaging option: Magnification of optical instruments

    10 November 2016 (updated 10 November 2016) | misc ib international baccalaureate physics optics lenses | Comment

    Take note of sign conventions!

    Magnifying glasses

    A single convex lens can be used as a magnifying glass.

    If an object \(O\) is placed within the focal point \(F\) of a convex lens, a virtual image \(I\) will be formed.

    Diagram

    The linear magnification \(m\) of… »

  • Thoughts on Black Mirror S03E04 ‘San Junipero’

    24 October 2016 (updated 28 October 2016) | misc black mirror | Comment

    ‘San Junipero’ is, without a doubt, one of the most unique episodes of Black Mirror in all its three seasons. Unlike the other episodes, which are primarily straightforward one-sided criticisms of particular aspects of technology and society, ‘San Junipero’ deals with deeper, more thoughtful questions… »

  • Decentralised open-source self-hosted encrypted cloud services

    01 October 2016 | linux cloud | Comment

    A number of years ago, after reflecting on how dependent I was on Google's cloud services, I began to migrate to open-source self-hosted solutions, primarily through ownCloud. After a recent server outage left me without service for a substantial period, however, I began the search… »

  • FIX: Systemd services fail with code 228/SECCOMP

    25 September 2016 | linux | Comment

    Symptoms

    Services like systemd-journald and systemd-logind show a failed state with error code 228/SECCOMP, and return an error message when attempted to be started using systemctl. This also caused journald logs to not be created or updated for any services.

    Problem

    The problem on my… »

  • An even smarterer html_truncate tag for Jekyll

    12 July 2016 | jekyll | Comment

    As you know, I am using Jekyll to generate this blog. When setting mine up I read how Benjamin Thomas read how Jack Moffitt set up his Jekyll installation, and thought the idea of an html_truncate filter was pretty cool, and thought the… »

  • Mini vMac with colour (on Linux)

    13 June 2016 (updated 30 October 2020) | minivmac macintosh | Comment

    Notice 2020-10-30

    This post is several years old and is now out-of-date. Pre-built binaries are now available from the Mini vMac downloads page supporting Macintosh II with 256 colours.

    The original post appears below for posterity.


    As I posted some time ago, Mini vMac… »

« First ‹ Previous Page 31 32 33 34 35 36 37 Next › Last »
  • Home
  • Git (Archives: GitLab, GitHub)
  • Research
  • Music
  • Posts
    • May 2025 (3)
    • December 2024 (2)
    • November 2024 (2)
    • September 2024 (2)
    • August 2024 (1)
    • More…
  • Tags
    • medicine (25)
    • copyright (20)
    • opentally (20)
    • drm (19)
    • encryption (12)
    • monash (12)
    • mathematics (11)
    • statistics (10)
    • proportional representation (8)
    • python (8)
    • victoria (8)
    • law (7)
    • meeting procedure (7)
    • ptv (7)
    • public transport (7)
    • rust (7)
    • defective by design (6)
    • digital rights management (6)
    • creative commons (4)
    • webassembly (4)
    • metro trains (3)
    • paediatrics (3)
    • politics (3)
    • 2fa (2)
    • c (2)
    • graphics (2)
    • mfa (2)
    • pdf (2)
    • victorian electoral commission (2)
    • android (5)
    • security (18)
    • cryptography (12)
    • programming (12)
    • voting systems (8)
    • med in review (11)
    • music (10)
    • parliamentary procedure (7)
    • totp (2)
    • reverse engineering (20)
    • obfuscation (12)
    • single transferable vote (19)
    • ebook (16)
    • elections (12)
    • java (6)
    • linux (33)
  • Lee Yingtong Li
  • blog@yingtongli.me
  • My CV · CV of Failures
@RunasSudo

Most material on this website is available under an open licence. See https://yingtongli.me/blog/copyright.html for details.