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26%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
's usually TCP port 22) to port 2222, for example, to keep port scans from filling up your logs. Without TCP Wrappers enabled, scans might run dictionary attacks on your server where password combinations
26%
Graphite: Collect and Visualize Numeric Data
30.07.2014
Home »  HPC  »  Articles  » 
 => SOCK_STREAM)     or die "Couldn't connect to $remote_host:$remote_port: $@ \n";     while() {  my @lavg = Sys::CpuLoad::load();  my $ts=time();  print $socket "system.loadavg_1min $lavg[0] $ts\n";  print
26%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
VALUES ('$hostname', '$ip', 'A', 86400, $time, 1, 0)/; 21 } else { 22 $sql = qq/UPDATE records SET content = '$ip' WHERE name = '$hostname'/; 23 } 24 $sth->finish(); 25 $dbh->do($sql) or warn $dbh
26%
Run One Program at any Scale with Legate
08.06.2021
Home »  HPC  »  Articles  » 
samples from a uniform distribution over [0,1). The equation is then solved by the solve routine. NumPy on GPUs NumPy functions are all single threaded unless the underlying NumPy code is multithreaded
26%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
(pr->pr_path), 0); 17 [...] 18 error = copyinstr(j.hostname, 19 &pr->pr_host, sizeof(pr->pr_host), 0); 20 [...] 21 pr->pr_ip = j.ip_number; 22 pr->pr_linux = NULL; 23 pr->pr_securelevel = securelevel
26%
Machine learning and security
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Vlad Kochelaevskiy, 123RF.com
i < 1000: 21 my_data.append(data_w_weekend(i / 1000)) 22 i += 1 23 24 # add some noise 25 random_gain = 0.1 # factor for the noise 26 i = 0 27 while i < 1000: 28 my_data[i] += np
25%
Supercharge your software upgrade routine
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Photo by redcharlie on Unsplash
: curl git pkg-config 0 upgraded, 3 newly installed, 0 to remove and 1 not upgraded. Need to get 3,409 kB of archives. After this operation, 19.5 MB of additional disk space will be used. Get:1 http
25%
Hybrid public/private cloud
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Photo by JJ Ying on Unsplash
Fn::Base64: 20 Fn::Join: 21 - '' 22 - 23 - "{\n" 24 - '"bucket"' 25 - ' : "' 26 - Ref: S3Bucketname 27
25%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
psmisc.x86_64 0:22.6-15.el6_0.1 rdate.x86_64 0:1.4-16.el6 rpcbind.x86_64 0:0.2.0-8.el6 sed.x86_64 0:4.2.1-7.el6 setup
25%
VM and cloud management with openQRM
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Jason Murillo, 123RF.com
. The recommendation for a production environment with high availability would then include six (+n ) physical servers (two openQRM servers, two storage hosts, and two virtualization hosts). Linux is used

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