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Messages - Mad Penguin

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1
Hardware Compatibility / Re: Motherboard and Buster
« on: June 15, 2020, 09:52:44 pm »
If it helps I've recently upgraded to a 3rd Gen Ryzen 5 2600 using a ASUS ROG Strix B450-F motherboard, indeed I've upgraded two boxes, one with 16Gb and other other 32. Both have been running well with Ubuntu 19.10, one XUbuntu and the other KUbuntu - not had any problems with either of them. Also using a WD Blue SN550 500GB High-Performance M.2 Pcie NVMe SSD, which is a bit of an eye opener .. I've not seen an SSD hit 2G/sec before (!)

2
General Help & Advice / Re: How do I update Chrome browser?
« on: April 03, 2020, 12:13:15 pm »
To get chrome and keep it up-to-date with the rest of your system, you could try this;
Code: [Select]
wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
sudo sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
sudo apt update
sudo apt install google-chrome-stable
After this Google Chrome should be included whenever you do a system update, either via the GUI or via "apt update && apt upgrade"
..
What this does;
1. Add the Google public key to your machine so your machine will validate software from this source
2. Add Google as a valid download location
3. Bring in all possible updates from all sources (including new ones, i.e. Google)
4. Install new software (i.e. Chrome) from available sources (that now include Google)

3
Hardware Compatibility / Refurbishing your Linux box ...
« on: March 14, 2020, 06:21:12 pm »
So I just had a box that started throwing both memory errors and disk errors (SSD) so I decided to try something new. The box dates back to 2011, an ASUS ATX motherboard, Phenom II 4-core 3GHz CPU and 8G RAM with a 30 quid NVidia fanless graphics card. Nothing special, but a nice quiet workstation.


In an attempt to replace that, for the first time in 9 years I bought a new CPU and motherboard.
Just for reference, this combination worked first time for me;
  • ASUS ROG Strix B450-F Gaming ATX Motherboard, AMD Socket AM4, Ryzen 3000 Ready (£109)
  • AMD Ryzen 5 2600 Processor with Wraith Stealth Cooler (£109)
  • Corsair CMK16GX4M2B3200C16 Vengeance LPX 16 GB (£75)
  • Kingston A400 SSD SA400M8/120G - Internal Solid State Drive M.2 (£28)
(Total of £321)


Thus far very happy, the M2 unbuffered is doing between 500M and 1G/sec, CPU has 12 (yes 12!) cores. I was a little worried I'd "get the wrong stuff" after not buying kit for a while, but this lot seemed happy on the first pass .. not seeing any incompatibilities. Thrown a bit by the lack of PATA interface so I had to swap the DVD for a unit with a USB interface, but apart from that .. 2W sleep and ~ 55W idle with a 3-disk RAID added.


I've a few more boxes to do over the coming months (well a few more boxes the same age), if anyone has any alternative working combinations I'd be interesting in comparing notes ... :)


4
News and Events / Re: FORUM MODERATORS
« on: March 14, 2020, 06:08:28 pm »
Replies via DM .. :)

5
News and Events / Re: FORUM MODERATORS
« on: March 11, 2020, 02:35:06 pm »

Code: [Select]
 _  ___   ___     ___   ___     ___   ___          
/ |/ _ \ / _ \ _ / _ \ / _ \ _ / _ \ / _ \         
| | | | | | | (_) | | | | | (_) | | | | | |       
| | |_| | |_| |_| |_| | |_| |_| |_| | |_| |  _ _ _
|_|\___/ \___/(_)\___/ \___/(_)\___/ \___/  (_|_|_)

6
News and Events / FORUM MODERATORS
« on: March 07, 2020, 02:53:41 pm »
Hi, Unfortunately these forums don't moderate themselves, so I'm in search of one or more individuals who can take-over some of the work that Mark has been doing these past years. It's not something I have time for at the moment so unless someone out there has time on their hands the forums will probably go Read-Only shortly, at least for a little while. Anyone interested, please get in touch here or via madpenguin at linux.co.uk ...  :)
Code: [Select]

 _   _      _        __        __          _           _ _
| | | | ___| |_ __   \ \      / /_ _ _ __ | |_ ___  __| | |
| |_| |/ _ \ | '_ \   \ \ /\ / / _` | '_ \| __/ _ \/ _` | |
|  _  |  __/ | |_) |   \ V  V / (_| | | | | ||  __/ (_| |_|
|_| |_|\___|_| .__/     \_/\_/ \__,_|_| |_|\__\___|\__,_(_)
             |_|             

7
General Discussion / Memorial Fund for Mark Greaves
« on: February 06, 2020, 01:57:29 pm »
For anyone who would like to contribute, Mark's family have set up a Memorial fund here;

https://www.gofundme.com/f/memorial-fund-for-mark-greaves-peppermintos-ceo

The Peppermint forum announcement is here;

https://forum.peppermintos.com/index.php/topic,9283.0.html

8
General Discussion / Re: Newest Member
« on: February 01, 2020, 10:57:55 pm »
Hi Harald, check this out, hopefully it's what you are looking for;
https://ubuntu.com/tutorials/tutorial-install-ubuntu-desktop#1-overview

9
General Discussion / Re: Mdadm RAID assembly query
« on: January 26, 2020, 07:05:34 pm »
Mmm, typically if you lose 2 disks on a RAID5 you're out of luck. The fact that the replacement was "nearly" finished doesn't necessarily get you that far as it will be incomplete, i.e. there will likely have been "some" unique data on the second failed drive that won't have made it to the new drive .. whereas a forced assemble "might" work, it would (imho) be "pot luck". The trick with these things is to replace the disks when they start to show signs of wear, typically by looking at the SMART output. Once you get a complete failure on one drive then unfortunately, you're sort of playing with fire, especially if all the disks are the same age ... assuming you don't have backups (?), you could try a specialised data recovery company, but this would likely be very expensive and come with no guarantees. (it is possible, for example, depending on the fault, that they could fix the drive enough to complete the resync)

10
General Help & Advice / Re: Mint 19.3 Disappointment - [SOLVED]
« on: January 26, 2020, 06:46:43 pm »
Hi, Ubuntu / Gnome in general has a tendency to bloat a little (or a lot) depending on the version. Personally I switched to XUbuntu many years ago and have not looked back. It is lightweight (relatively low memory usage, and fast), maybe a little more windows-like in appearance, and does not leak (as far as I can tell). Every now and again I try something Gnome-shell based just to see what they're up to, but it never lasts long.

11
General Discussion / Re: Mark Greaves (PC Netspec) - Passing Away
« on: January 15, 2020, 09:05:03 pm »
I'm afraid I'm almost at a loss for words, Mark was one of the most of the likeable and helpful people I know and has done a massive amount for the community and in particular people who frequent these forums where he's answered everyone's questions and kept the peace for the these last 10 years. There's more on the Peppermint forums here; https://forum.peppermintos.com/index.php/topic,9283.0.html
Mark - you will be sorely missed. R.I.P

12
General Discussion / Re: Is there any legitimate use case for "rm -rf /"?
« on: January 15, 2020, 08:39:13 pm »
Hi David,

I once watched a gobby consultant type in "rm -rf /*" on the console of an IMB RS6000 running AIX, in front of a client, while bragging about how the UNIX system was so great it could withstand such a command. I cautioned him (in front of said client) not to press return, a caution that was met with much displeasure and an insistence that of course he would not actually press return .. at which point he did in fact, accidentally press return.

I immediately left the building, however I did hear that he was on-site for the following three days and never returned to our office (!)

In general it's Linux's job to do what it's told and the user's job not to be an idiot careless.  ;)  .. there are always special cases, but you never know when someone might actually want to do something that you think they shouldn't .. Off the top of my head, I think you can mount an overlay filesystem on top of "/", which is how "live CD" systems used to work .. in which case "rm -rf /" should strip any changed files from your system (?) leaving it running on the underlying (possibly read-only) file-system .. or if you mount "/" read-only, "rm -rf /" might remove any RW files from non-root mount points. (although I've not tried it)

13
Linux Tips & Tricks / Re: Web 2.0 Programming ...
« on: May 26, 2019, 02:26:24 pm »
Lincon, your post seems incomplete - did you miss something off?

14
Bugs / Re: Cannot send personal messages
« on: March 20, 2017, 11:53:35 am »
Ok, this was a really good catch, spotted a generic issue that's been bugging me for a while - should be fixed, please let me know if you're still seeing a problem.


https://github.com/oddjobz/spa/commit/089ef41f67e6b364d85a775a66e3b348e2214329

15
Bugs / Re: Cannot send personal messages
« on: March 20, 2017, 09:24:05 am »
Ah, just twigged, you're expecting a drop-down with valid names .. that bit isn't working, will look into it ...

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