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Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec federico@cybertron:~$ sudo hdparm -W /dev/sdb /dev/sdb: write-caching = 1 (on) federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb /dev/sdb: write ... 48
98%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining ... 48
97%
Open source multipoint VPN with VyOS
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Photo by Damon Lam on Unsplash
.1.21 # primary VPN # router site 3 2 172.16.0.8 # primary VPN # router site 4 3 10.4.1.25 # target host # in site 4 # Problem: First link broken ... 48
61%
Automating deployments on Proxmox with OpenTofu and cloud-init
04.12.2024
Home »  Articles  » 
Lead Image © lightwise, 123RF.com
Rubén Llorente ... ). Listing 3 tofu_project/main.tf 01 terraform { 02 required_providers { 03 proxmox = { 04 source = "bpg/proxmox" 05 version = "0.64.0" 06 } 07 } 08 } 09 10 provider "proxmox
19%
Appendix – I/O Report from MPI Strace Analyzer
15.02.2012
Home »  HPC  »  Newsletter  »  2012-02-15 HPC...  » 
 
2 0 0 0 0 0 2 256KB < < 512KB 2 2 2 3 2 2 2 3 512KB < < 1MB 3 2 2
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Appendix – I/O Report from MPI Strace Analyzer
26.01.2012
Home »  HPC  »  Newsletter  »  2012-02-01 HPC...  » 
 
2 0 0 0 0 0 2 256KB < < 512KB 2 2 2 3 2 2 2 3 512KB < < 1MB 3 2 2
19%
Rethinking RAID (on Linux)
16.03.2021
Home »  HPC  »  Articles  » 
, ioengine=libaio, iodepth=32 fio-3.12 Starting 1 process Jobs: 1 (f=1) test: (groupid=0, jobs=1): err= 0: pid=5872: Sat Jan  9 16:35:08 2021   read: IOPS=251k, BW=979MiB/s (1026MB/s)(2045MiB/2089msec
19%
Unleashing Accelerated Speeds with RAM Drives
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Vladimir Nenov, 123RF.com
) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=32 fio-3.16 Starting 1 process test: (groupid=0, jobs=1): err= 0: pid=12936: Sat Jun 19 14:48:48 2021 write: IOPS=250k, BW=977MiB/s (1024MB/s)(500
18%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
#seconds BanOnInvalidURL = 0 #seconds #risky if > 0 BanOnMaxReqSize = 600 #seconds BanOnSQLi = 600 #seconds BanOnWrongPassword = 3:120 #seconds MinTLSversion = 1
18%
Listing 1
01.08.2012
Home »  HPC  »  Articles  »  Warewulf Cluste...  »  Warewulf 3 Code  » 
 
 perl-version                            x86_64                   3:0.77-119.el6_1.1                      sl                    48 k Transaction Summary ... Warewulf 3 Listing 1

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