Setting up a Wireless Repeater using DD-WRT v3.0

28 Dec 2020how-tooss

I wanted to re-purpose an old Linksys WRT54GL by overwriting its firmware with the open source DD-WRT firmware, because the original Linksys firmware does not support a wireless repeater setup. A Wireless Repeater is used to “extend” the range of a primary wireless router by connecting a secondary wireless router (i.e. bridging), and routing Internet-bound traffic via the primary router. Here is how I got it working.

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Quite the year... for silicon

22 Nov 2020opinion

We will remember 2020 for all the wrong reasons, but on a lighter note, 2020 has been quite the year… for silicon!

  • The incredible performance of Apple’s M1 and A14 (@ 5m).
  • AMD crushing Intel with its Ryzen 5000 series CPUs (@ 7nm).
  • The neck-and-neck race between the AMD Radeon (@ 7nm) and Nvidia RTX.
  • The launch of next-gen consoles from Microsoft and Sony.
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iOS Shortcut to Join Cisco WebEx

01 Nov 2020iosworkflow

Here is a quick iOS Shortcut to join Cisco WebEx personal rooms by email name. In my organization, once logged in to Cisco WebEx, we can join a colleague’s personal meeting room just by his or her email name. Here is a shortcut to either:

  • Launch WebEx for the contact from the Contacts App share sheet,
  • Or just run the shortcut to select email to launch WebEx.
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Hide Firefox Toolbar and Tabs in Fullscreen

I use macOS spaces (virtual desktops) to arrange the various apps I frequently use. I have one space setup with two Firefox windows, in fullscreen Split View mode. But by default, Firefox windows are not really “full screen” for me, in that the tabs, toolbar and bookmarks bar will still be displayed. Here is my workaround to force the browser to full screen.

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Fixing high-DPI (retina) screenshot metadata

10 May 2020macospng

On my MacBook Pro with retina display, when I take a screenshot, the image is saved with a DPI of 144. But, using ImageOptim to compress the image with Strip JPEG/PNG Metadata enabled will remove (or reset) the DPI setting to 72 DPI - resulting in a double sized image when displayed in Preview and Quick Look. Here is how I correct this.

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macOS zsh configuration

07 May 2020macoszsh

From macOS Catalina 10.5 onwards, zsh is the default shell, instead of bash. I have a lot to learn about this shell, and so far, this is how I configured zsh... There is an overload of snippets on-line, but I’ve not seen a post doing what I do, so hopefully this helps someone!

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