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17%
Five multipurpose thin clients compared
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © David Grigg, 123RF.com
25x177mm Weight: 1.2kg 1.44kg 1.3kg 1.12kg 0.455kg Operating system RangeeLinux IGEL Linux eLux RL Windows Embedded
16%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
needed to reposition the read head is eliminated. The admin can monitor merging of I/O blocks with iostat -x. This assumes the use of the filesystem cache. In Listing 2, wrqm/s stands for write requests
16%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:2:root,bin,daemon sys:x:3:root,bin,adm adm:x:4:root,adm,daemon tty:x:5: disk:x:6:root lp:x:7:daemon,lp mem:x:8: kmem:x:9: wheel:x:10:root mail:x:12:mail,postfix uucp:x:14:uucp man:x:15: games:x:20
16%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
` ]]; then 078 mkdir ./`dirname $l` > /dev/null 079 fi 080 cp $l .$l 081 done 082 done 083 084 cd /export/home/jail/$JAILUSER/devices/pseudo 085 mknod mm@0:zero c 13 12 086 mknod mm@0:null c 13 2
16%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
of file deletions – resolving this problem in most configurations not involving RAID, which is still negatively affected. The /etc/fstab file shows that this partition is installed with Ubuntu 12.04's
16%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI
16%
Monitor your nodes with collectl
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© nobeastsofierce, 123RF.com
X4 920 CPU (quad core) 8GB of memory (DDR2-800) The operating system and boot drive are on an IBM DTLA-307020 (20GB drive at Ultra ATA/100) /home is on a Seagate ST1360827AS A 64GB Intel X
16%
Monitor Your Nodes with collectl
28.03.2012
Home »  HPC  »  Articles  » 
the RPM is not dependent on a specific architecture, such as 32-bit x86 or 64-bit x86). It’s very easy to install either with the RPM or from source. The collectl utilities are just as easy to install
16%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
-Manage: novammanage user admin rwartala This process creates an access key and a security key: export EC2_ACCESS_KEY=713211a477a154470fUU ae543346b52e30a0e export EC2_SECRET_KEY=244de6a188aa344e12UU 9521003ac756abbdf
16%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
Request timeout for icmp_seq 0 Request timeout for icmp_seq 1 Request timeout for icmp_seq 2 64 bytes from 52.90.56.122: icmp_seq=3 ttl=48 time=40.492 ms [ output truncated ] Welcome to Ubuntu 20.04.1 LTS

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