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25%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
_interval); 04 use Net::Statsd; 05 06 $Net::Statsd::HOST = 'localhost'; # Default 07 $Net::Statsd::PORT = 8125; # Default 08 09 my $t0 = [gettimeofday]; 10 11 my($one, $two, $three) = map { $_ x 4096
25%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
:FORWARD ACCEPT [0:0] 05 :OUTPUT ACCEPT [125:13440] 06 -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT 07 -A INPUT -p icmp -j ACCEPT 08 -A INPUT -i lo -j ACCEPT 09 -A INPUT -p tcp -m state --state
25%
Cross-Vendor IPsec
25.10.2011
Home »  Articles  » 
 
this in your rules. (See the configuration in Listing 7.) Listing 7: Juniper Firewall 01 security { 02 zones { 03 security-zone vpn { 04 interfaces { 05 st0.0; 06 } 07 } 08
25%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
directions) 085 086 ALLOCATE ( unew(1:m,1:m), u(1:m,1:m) ) ! mem for unew, u 087 088 ! 089 ! Boundary Conditions 090 ! =================== 091 ! 092 pi = DACOS(0.0d0) 093 094 ! Top of unit square: (N) 095
24%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
33 enum { probes = 10, loops = 1, }; 34 uint64_t iterations = strtoull(argv[1], 0, 0); 35 uint64_t upper = iterations*iterations; 36 37 double pi = M_PI; 38 double r = 0.0; 39 40 stats
24%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
24%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
modified mine to keep it really simple: server 2.rocky.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz
24%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
/bin/env python 02 import sys 03 04 dict = {'enp2s0':'eth0', 'enp2s1':'eth1'} 05 06 if sys.argv[1] in dict: 07 print dict[sys.argv[1]] 08 else: 09 print(sys.argv[1]) 10 exit(0) Workaround
24%
Virtual switching with Open vSwitch
28.07.2011
Home »  CloudAge  »  Articles  » 
 
# iperf c 192.168.0.5 t 60 05 06 Client connecting to 192.168.0.5, TCP port 5001 07 TCP window size: 16.0 KByte (default) 08 09 [ 3] local 192.168.0.210 port 60654 connected with 192.168.0.5 port 5001 ... 3
24%
Run TensorFlow models on edge devices
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © leeavison, 123RF.com
156 sq cm Irrigation system (one-hot encoding)    NFT Hydroponic nutrient film 0.0    HPA High-pressure aeroponics 1.0    Ebb

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