Fixing the macOS 10.13.6 Security Update 2019-007 Black Screen

My iMac 27-inch (mid-2011) is still working well. For some unknown reason(s), I’ve been unable to apply the macOS 10.13.6 (High Sierra) Security Update 2019-007. It will simply “halt” during the reboot phase, leaving me with a black screen with cursor. The most irritating part is that I cannot uninstall nor (re)install the Security Update and it continues to halt my iMac at the black screen at every shutdown or reboot. I had to force shutdown by holding on the power button every single time until I came across a fix for failed Security Updates on Apple’s forum.

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Ring Video Doorbell 2 Review – Upgrading your old doorbell to a smarter one

Considering that how infrequently I change flat batteries in my doorbell, I did not even once think that I will ever get a smart video doorbell. So why did I get it? Because of a weird encounter that my neighbour had – a agitated guy pestering/ questioning for someone on a late night. I don’t think such encounters are great. Without much hesitation, I picked up the Ring Video Doorbell 2 during the Amazon Prime Day sales.

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Returning items back to Lazada? It’s simple.

Lately, I am on a awesome shopping spree on Lazada Singapore. Buying Raspberry Pi 3 and 8Bitdo gaming controllers for my RetroPie retro gaming platform; buying Merries diapers for my two kiddos; and a bunch of discounted nonsensical stuffs. One of the items was sent wrongly by the seller – 8Bitdo Xtander. I purchased the version for 8Bitdo NES30 Pro but the one for 8Bitdo SNES30 Bluetooth controller was sent instead. I need to return this item for the correct product and that is when I realised that Lazada Singapore’s return process is so darn simple.

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Building a retro-gaming machine

I have a soft spot for retro games. I remember spending hours clearing stages in Shining Force with my elder brother on our Sega Mega Drive when we were young. Spending afternoons with friends at the arcade trying to defeat Deimos using Elf in the side-scrolling game of Dungeon & Dragons: Tower of Doom; and figuring out how to do 99-hits combo in Marvel vs Capcom. For some, their hands might be itchy for a game of King of Fighters ’98 after seeing these game titles.

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Applying for SGS Bond using SRS Fund

Little did I expect that applying for Singapore Government Securities (SGS) bond issues using funds from Supplementary Retirement Scheme (SRS) account is a lengthy process filled with question marks and confused looks from bank staffs. In fact, it is just involves filling up a two-page form but it took me almost two hours at DBS Bedok branch. I reached there at 4.10pm, was attended to at 4.30pm and only left the place at 5.45pm on a Thursday.

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Synology Active Backup for Server

Synology’s Active Backup for Server is a package specially designed to centralize data backups for Windows and Linux servers. It support backup modes like multi-version, mirroring and incremental. The source servers need not install additional backup agents as it uses SMB or rsync to perform the backups. Active Backup for Server is available on DSM 6.0 – 7185 and above versions. I was looking for a remote backup solution for my Amazon Lightsail virtual private server and Active Backup for Server seems to be up for the task.

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My Blockchain Primer

Distributed Ledger Technology (DLT), blockchain, bitcoin, etc. are buzzwords these days. I am also intrigued by blockchain technology and felt that I should pen down my findings and views too. As it is often said, if one cannot explain something, it means he or she does not understand the topic. Hence, here goes my amateur understanding of blockchain technology and it might help you if you have just started out on reading up on blockchain.

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