The dangers of upgrading a PC

Yup. I agree with you there... Look at Mac and it's claim of "malware free" that ended several years ago.

RE: 4K gaming. I do 4K gaming with a 5700XT. Sure, I can't max all the settings, but 4K with no antialiasing vs 1080 with it? 4K still looks "better". Sharper in this case.
Also fair to Intel, AMD has similar problems RE Spectre.
 
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On Devuan, which I use as my operating system, having apparmor installed and configured, even deny read and write permissions to SUID executables. Before the advent of apparmor, SUID executables could read and write to anywhere in a filesystem.
 
I am so fond of "sudo" that if I find it is activated I disable it and create a root password. Sudo, can be used to enhance security, but using it comfigured to allow any unprivileged user to run any executabe as root, is in itself a misuse and therefore, a security hole. It is much like leaving one's home main door key on the doorstep with a note telling it is the main door key.

On Devuan, running "su" does not automatically provide the same shell environment that is provided by switching to a terminal (Control + Alt + F1-F6). To get root's environment one has to log in as root or any other user with root privileges.
 
Ya, in my case, I enable a 30 minute timeout after a sudo password because I find entering a password over and over more annoying than proper "security".

I DO set a separate root password for "emergencies", but I'm not a target. Why bother living in a bunker when it's sunny outside just because it might rain? 🙂 When I need "su" I do "sudo su" - otherwise it probably won't work. Or are you running Slackware? 😛
An aside: The first distro I ever ran was Slack. I used it to share the first iteration of "Cable Internet" in our neighbourhood. We strung an RG58 cable from my house to my next door neithbours, and shared the cost of the internet. 1994 maybe?
Frankly, I prefer the security of not having a "root password" that's human readable. On one hand, I can provide a master root password for some reason. On the other hand, I've never needed to. The randomization means it's harder to crack. I put my machione in the "DMZ" once... Logs say I was getting login attempts to the root acount every 2 or 3 seconds originating from a Chinese IP...Sudo allows another level of separation. The default root password is long and random. Hard to crack compared to a password like I used to think was good enough (32 bit hex code like FA3F5B3C, for example - it's crack-able in seconds now) Granted it's a "security" issue but so is systemd. Only the stubborn still want initrc though. Things progress. We don't need FOSSIL drivers for DOS BBS software anymore, either.
 
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If it is not broken then don’t fix/change….
Why did you upgrade from i7 8700k to i5 12400 ? Your computer is used for office stuff, correct?

The 8700k is few years old now,
Also I develop a lot of USB stuff on it so the USB ports get a lot of use.
So sold it on to get rid of it and get a 30% faster PC.
It was only £300 for the upgrade and I will get £200 for my old kit so cost very little in real terms.

I use my PC for games, office. PCBCAD and software development work so the faster the better.
 
AutoCad 2010 runs fine on a C2D machine, 2 GB RAM, in 2D mode for a wire cut (wire EDM) machine.
DG41 motherboard, 1 TB HDD, and quite cheap with a new MB. Win 7 /32 bit.
CPU was from a blown HP MB, very cheap.

The prices for computer hardware have gone up 50% in the last one year here, from monitors to complete machines.
i5, motherboard, 8 GB RAM would itself be in the 20,000 + range brand new.
Horses for courses.

My CPA got an ASUS all in one machine, very low spec for about 40,000, it is now 60,000.
New HP machine, SSD and HDD, 16 GB RAM, pre loaded Win 10, cost my friend about 80,000.
The OS and programs are on the 256 GB SSD, and the HDD (don't remember capacity), has the data.
Boot up is fast, he uses graphics a lot, happy with it.
 
Before Devuan I ran Debian which is known for stability and security and above all a very large package repository. Yes, Yes, I am a fossilised dinasour skeleton by the standards of many "youthful" thinking users. Systemd, although new and attractive for many, is still not stable enough. Besides that, the way it is coded, is quite lacking from the point of view of the requirements for central operating system software. With time, maybe, it will mature. Error consideration is very important in software writing, systemd, according to some coders, takes some questionable shortcuts.
 
Run dual boot, so that I have win 10 for gaming and Linux Mint as a daily runner, streamer, mail and surfing. A reboot takes max 10 seconds - so until I get to try out games fully on Linux... then dual boot it is.
I see no reason to upgrade to win 11... yet. 2025 is the last date for update for win 10.... 3 years can bring many changes - Ḯ'll wait.
 
Yes... I made a point of downloading all the decent W10 isos (there were some badly broken releases!) while they are still available. And like you, I don't let it auto update - m$ keep trying to prevent you from stopping auto updates but when you have a complex process that needs a few days to run and you find m$ decided it needed to update and reboot halfway through without any user intervention, it's war! The few genuine security patches can all be applied manually if needed.
 
Most of #36 is very wrong. OEM motherboards are never supported for CPU swaps. No PC manufacturer that I know will support it and BIOS updates are tightly locked down by the OEM. I wouldn't even know where you would get a BIOS option from an OEM that added AGESA for newer processors, why would Dell/HP/(insert brand here) even do that?

Intel processors require new motherboards every two generations (the tick-tock cadence that Microsoft has followed for >10 years). So 3rd/4th, 6th/7th and now till 12th and 13th (the 13th is not yet launched). There is no scope (and usually not much incentive) for upgrading CPUs after two generations. The whole socket changes. So you can't fit a 12th generation processor on an 11th generation motherboard.

AMD has supported the same socket for years now - The AM4 socket was introduced in 2016-2017 and many old boards run the latest processors - of course with restriction on feature sets and some lower rank motherboards not being able to extend support for every known AM4 processor. They are now swapping it for AM5 by the end of 2022, which they promise will have similar longevity.

Windows 7 supports 1st and second generation Ryzen processors just fine, and everything up to and including Intel Skylake (that's 6th generation) with caveats. It doesn't support 2nd generation AMD APUs and anything after 7th gen Intel because W7 cannot meet the minimum secure boot requirements - this is a security issue to do with the command pipeline. Microsoft does support W7 for some very large organisations for whom the shift is gradual, and some smaller organisations actively provide support and patches to companies that cannot afford the bulk service from Microsoft. I still use plenty of W7, about 5 systems running it with no issues. It's fine online as well, unless you're susceptible to clickbait, spam and phishing. If you know what you're clicking, you can stay safe.

BIOS versions do not cause activation issues. Changing out your motherboard definitely will, but you would then need a new installation anyway. Windows has up to an unspecified number of hardware changes permitted, so you can swap processors/GPUs/memory a few times as long as it's on the same motherboard. The issue is the WinSXS folder, which breadcrumbs every piece of hardware your PC has ever had, and this grows to a humongous size.
Partially right, at least in the times of windows 10. OEM motherboard have a limited CPU upgrade capabilities given by the fastest CPU that the OEM paired with the board, but is is always within the same family, generation and power envelope,. There is no assurance that an Intel motherboard will be able to support the nex tgen CPU. Intel is know to change electrical and bios requirements within a socket, so IMHO there is no assurance that you will be able to upgrade. There is also the possibility that the motherboard manufacturer does not issue a BIOS upgrade to support the new CPU. If anyone is looking for future CPU upgradability, they should stick with AMD