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23%
OpenStack installation with the Packstack installer
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Tom Wang, Fotolia.com
(NIC1, provider_net, eth0; NIC2, internal_net, eth1), and a CentOS 7 64-bit operating system. The NIC1 IP addresses for the Controller node and for Compute nodes 1 and 2 were 192.168.2.34, 192
23%
A watchdog for every modern *ix server
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Sudhith Xavier on Unsplash
10 061 set log /var/log/monit.log 062 063 set mail-format { from: monit@richnusgeeks.demo } 064 065 set httpd port 2812 and 066 use address 0.0.0.0 067 allow localhost 068 allow 0.0.0.0/0 069
23%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
among the integrated development environment (IDE) options available for R, I use RStudio [8]. I downloaded RStudio 0.98.1083 Debian 6+/Ubuntu 10.04+ (32-bit) and ran: sudo dpkg -i rstudio-0.98.1083-i386
23%
The RADOS Object Store and Ceph Filesystem
24.04.2012
Home »  HPC  »  Articles  » 
= alice mon addr = 10.42.0.101:6789 [mon.b] host = bob mon addr = 10.42.0.102:6789 [mon.c] host = charlie mon addr = 10.42.0.103:6789 [osd.0] host = alice [osd.1] host = bob [osd.2
22%
Implement your own MIBs with Python
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Python tools. A successive execution of snmpget will now return the current temperature (multiplied by 1,000), as before with extend: $ snmpget -M+. -v2c -c rpitesting localhost RASPI-MIB::socTemp.0 RASPI
22%
Ease your network inventory pain with Spiceworks
07.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Paul Tobeck, fotolia.com
Inventory suite using open source software that includes SQLite, Ruby, and Apache. The spiceworks.exe application is a single, small (66MB) Windows executable file that installs and scans your network devices
22%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
; 05 06 print "Status: 200\nContent-Type: text/plain\n\n"; 07 $|=1; $|=0; # flush 08 09 my $dbh=DBI->connect('dbi:Pg:dbname=r2', 'ipp', undef, {RaiseError=>1}); 10 11 my $sth
22%
Extending OpenNebula with hooks
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Greg Epperson, Photocase.com
=/var/log/one/accounting.log 04 05 case "$1" in 06 "on"|"off") 07 mode=$1 08 shift 09 ;; 10 *) 11 echo "$0 error: wrong mode." >&2 12 exit 1 13 ;; 14 esac 15 16 if [ "$1
22%
Compiler Directives for Parallel Processing
12.08.2015
Home »  HPC  »  Articles  » 
 n, chunksize, chunk, i     parameter (n=1000)     parameter (chunksize=100)     real :: A(i), B(i), C(i)   ! Some initializations     do i = 1, n        A(i) = i * 1.0        B(i) = A(i)     enddo       chunk = chunksize !$OMP
22%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
, represents Unix time (i.e., the number of seconds since January 1, 1970, 0:00 hours). It is multiplied here by 1,000 to obtain the value in milliseconds needed by Cassandra. Also bear in mind that this time

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