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27%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
buffered disk reads: 616 MB in 3.00 seconds = 205.03 MB/sec $ hdparm -T /dev/sda /dev/sda: Timing cached reads: 6292 MB in 2.00 seconds = 3153.09 MB/sec If this were a spinning disk, you would also
27%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
-from 1600x900 This command mirrors my laptop screen on the external display and scales the image from the native 1,600x900 resolution on my laptop to a native 1,900x1,200 resolution on the external display
27%
Distributed storage with Sheepdog
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © kateleigh, 123RF.com
they are mounted with the user_xattr option. Table 1 Important Sheepdog Options Option Meaning Examples -b IP address for communication 192.168.200.34, 0
26%
Minifying container images with DockerSlim
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Maggie Molloy, 123RF.com
='GET /' docker-slim[build]: info=http.probe.call status=200 method=GET target=http://172.17.0.3:80/ attempt=1 time=2020-11-11T12:52:01Z docker-slim[build]: info=http.probe.summary total=1 failures=0 successful=1
26%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
. The initial processor speed was 300MHz. Future processors used 450, 600, and even 675MHz. Similar to the T3D, the T3E could scale from 8 to 2,176 PEs, and each PE had between 64MB and 2GB of memory. The T3D
26%
Linux Writecache
19.11.2019
Home »  HPC  »  Articles  » 
Jobs: 1 (f=1): [w(1)][100.0%][w=654MiB/s][w=167k IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=1225: Sat Oct 12 19:20:18 2019   write: IOPS=168k, BW=655MiB/s (687MB/s)(10.0GiB/15634msec); 0
25%
Warewulf 4
13.12.2022
Home »  HPC  »  Articles  » 
: Warewulf Installation $ sudo yum install -y https://repo.ctrliq.com/rhel/8/ciq-release.rpm $ yum install -y warewulf   CIQ Stable                                                        12 kB/s |  32 k
25%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
amount of available RAM: 117,080MB in this case. Mem used : Amount of RAM used by the applications: 48,810MB in this case. Mem free : Potentially free RAM: 68,270MB in this case. Mem cached : RAM
25%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
 to NTP server (162.159.200.123) at stratum 4    time correct to within 21 ms    polling server every 64 s Your output will not match this exactly, but you can see that it’s using an outside source to synchronize
25%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
the ntpstat utility on the head node and then running it: $ sudo yum install ntpstat $ ntpstat synchronised to NTP server (162.159.200.123) at stratum 4 time correct to within 21 ms polling server every

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