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16%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:uucp man:x:15: games:x:20: gopher:x:30: video:x:39: dip:x:40: ftp:x:50: lock:x:54: audio:x:63: nobody:x:99: users:x:100: utmp:x:22: utempter:x:35: floppy:x:19: vcsa:x:69: rpc:x:32: cdrom:x:11: tape:x:33
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 4
13.12.2022
Home »  HPC  »  Articles  » 
 Packages: (1/6): dhcp-common-4.3.6-47.el8.noarch.rpm                       902 kB/s | 206 kB     00:00     (2/6): dhcp-libs-4.3.6-47.el8.x86_64.rpm                         3.1 MB/s | 147 kB     00:00     (3
16%
Creating an SFTP jail
30.11.2025
Home »  Archive  »  2011  »  Issue 3: Are yo...  » 
Juan Manuel Ordonez, 123RF.com
SyslogFacility AUTH 20 TCPKeepAlive yes 21 UseDNS no 22 UsePrivilegeSeparation yes 23 Subsystem sftp /usr/local/libexec/sftp-server 24 Match Group sftponly 25 ChrootDirectory /export
16%
Working with the Lustre Filesystem
24.02.2022
Home »  HPC  »  Articles  » 
.255.255.255  broadcast 0.0.0.0         inet6 fe80::bfd3:1a4b:f76b:872a  prefixlen 64  scopeid 0x20         ether 42:01:0a:80:00:02  txqueuelen 1000  (Ethernet)         RX packets 11919  bytes 61663030 (58.8 Mi
16%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
,BROADCAST,RUNNING,MULTICAST> mtu 1460 inet 10.0.0.2 netmask 255.255.255.255 broadcast 0.0.0.0 inet6 fe80::bfd3:1a4b:f76b:872a prefixlen 64 scopeid 0x20 ether 42:01:0a:80:00:02 txqueuelen 1000
16%
Graphite: Collect and Visualize Numeric Data
30.07.2014
Home »  HPC  »  Articles  » 
like Fedora 20 or Ububtu 14.04 LTS. You can also find ready-made images for a virtualization solution like Docker. A simple docker graphite search shows a number of Graphite images. Of course, you can
16%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
: 1 (f=1): [w(1)][100.0%][r=0KiB/s,w=1401KiB/s][r=0,w=350 IOPS][eta 00m:00s] test: (groupid=0, jobs=1): err= 0: pid=3104: Sat Oct 12 14:39:08 2019 write: IOPS=352, BW=1410KiB/s (1444kB/s)(82.8Mi
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

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