Gentoo Archives: gentoo-user

From: "J. Roeleveld" <joost@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] New box
Date: Fri, 30 Dec 2016 12:09:27
Message-Id: 3656337.hcGdo6itve@andromeda
In Reply to: Re: [gentoo-user] New box by Mick
1 On Friday, December 30, 2016 10:21:28 AM Mick wrote:
2 > On Friday 30 Dec 2016 08:18:48 J. Roeleveld wrote:
3 > > On Friday, December 30, 2016 12:24:36 AM CET Dale wrote:
4 > > > J. Roeleveld wrote:
5 > > > > As for the specs:
6 > > > >
7 > > > > - 8 core CPU: nice
8 > > >
9 > > > Makes me drool a bit here. I want a 8 core CPU. The only downside,
10 > > > gkrellm won't have enough screen to show each core separately. That's a
11 > > > problem there. lol It already takes up the whole right side on one
12 > > > desktop. I guess I could make the thing shorter to fit them all in.
13 > >
14 > > I know what you mean. What I miss is an option to have gkrellm on 1 side
15 > > of
16 > > the screen and when I maximize a window, that doesn't hide gkrellm.
17 > > I limited some of the sensors to be able to fit all 12 virtual cores.
18 > > (Or if there is, where do I set it)
19 >
20 > This can be managed via the DE settings (but it depends on the DE options of
21 > course). You can also set it in GKrellM configuration, General, 'Set on
22 > top of other windows of the same type'.
23
24 I don't want it on top, I want it to prevent maximizing from taking the area
25 used by gkrellm.
26
27 > > > > - mSATA SSD: Make sure it fits your mainboard. NVMe is faster, but
28 > > > > also
29 > > > > more expensive.
30 > > > > The Samsung EVO series are good for normal work-loads. The performance
31 > > > > does
32 > > > > tend to drop when the write-cache starts to fill up. With multiple VMs
33 > > > > using disk and swap, that can happen quicker then you think. Check
34 > > > > your
35 > > > > requirements.
36 > > > >
37 > > > > - memory: Personally, I would increase this to 32GB with the fastest
38 > > > > spec
39 > > > > that matches the CPU and mainboard. It helps a lot, especially with
40 > > > > Virtualbox. What isn't used by applications/VMs will be available for
41 > > > > disk-cache.
42 >
43 > +1 for more and faster memory. If the choice comes down to either more, or
44 > faster memory, go for faster. With normal desktop use I have not yet
45 > noticed 16G being exhausted. I dedicate 8G for tmpfs which is used for
46 > emerge activities. I suggest you go for the fastest spec memory your MoBo
47 > will run. You'll likely have to overclock it to make your memory clock
48 > higher speeds. As a rule I prefer Asus MoBos, if only because online
49 > reviews when I built the last PC showed fewer complains that Gigabyte.
50
51 Take into account that with Asus boards, the sensors don't always work
52 correctly with Linux. Not sure about Gigabyte.
53
54 > > > Same here. Putting portage's work directory on tmpfs does make it
55 > > > measurably faster. Bad thing is, if Firefox and LibreO needs to update
56 > > > at the same time, I have to go back to spinning rust or do them by
57 > > > themselves. It runs out of memory pretty fast.
58 >
59 > I have not noticed this here with 8G our of my 16G RipjawsX RAM dedicated to
60 > portage, but unlike Dale I do not run a full Plasma DE and try to update
61 > Chromium, FF, & LO all in parallel at the same time! ;-)
62
63 I do the same on my laptop, with 16GB. That also works. But this laptop dates
64 back to when I considered 16GB sufficient.
65
66 > With regards to PSUs most reputable manufacturers bring out entry level
67 > models which use cheap(er) capacitors with inferior rating, middle of the
68 > road which use upgraded caps and top of the range which are as good as it
69 > gets.
70 >
71 > On the last box I built I chose a Corsair CX430M PSU and have been very
72 > pleased with it (so far). Running a UPS also helps your PSU last longer,
73 > especially if you live in an area where brown outs happen regularly.
74
75 I used to live in such an area. Not currently. But a UPS would still be a good
76 idea.
77
78 --
79 Joost