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31%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
2222 -j DNAT --to 192.168.1.200:22 COMMIT ### end nat Now reload the kernel sysctl  parameters and restart the firewall: # service iptables restart The next step in the process is to format
30%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
30%
Listing 6
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
 will allocate 4 cores 15 ### using 3 processors on 1 node. 16 #PBS -l nodes=1:ppn=3 17 18 ### Tell PBS the anticipated run-time for your job, where walltime=HH:MM:SS 19 #PBS -l walltime=0:10:00 20 21 ### Load
30%
open64
01.08.2012
Home »  HPC  »  Articles  »  Warewulf Cluste...  »  Warewulf 3 Code  » 
 
64-5.0-0.x86_64 --> Processing Dependency: libc.so.6(GLIBC_2.0) for package: open64-5.0-0.x86_64 --> Processing Dependency: libc.so.6(GLIBC_2.1) for package: open64-5.0-0.x86_64 --> Processing
29%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
port 22) to port 2222, for example, to stop port scans filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations are guessed by one
29%
Getting started with the OpenStack cloud computing framework
28.06.2011
Home »  CloudAge  »  Articles  » 
 
: the popular buzzword that has fired the imagination of analysts [1], consultants [2], hardware vendors, data center operators, and CIOs of multinational corporations. This continuing euphoria is based
29%
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 ... Warewulf Cluster Manager – Part 2
28%
Listing 4
21.08.2012
Home »  HPC  »  Articles  »  Warewulf 4 Code  » 
 
 glib2                         i686     2.22.5-6.el6       sl                                1.1 M  libX11                        i686     1.3-2.el6          sl                                585 k  lib
28%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
installed and latest version Package automake-1.11.1-1.2.el6.noarch already installed and latest version Package gcc-c++-4.4.6-3.el6.x86_64 already installed and latest version Package binutils-2.20.51.0.2
28%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Dmitriy Sladkov, 123RF.com
' '/[Mm]an/p' sed -n '/[Mm]an/p' textdata.txt 2 All lines except 3 through 5 '3,5!' sed -n '3,5!'p textdata.txt 3 All lines except those containing 'Man

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