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21%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
dhcp.x86_64 12:4.1.1-25.P1.el6_2.1 will be installed ---> Package mod_perl.x86_64 0:2.0.4-10.el6 will be installed --> Processing Dependency: perl(BSD::Resource) for package: mod_perl-2.0.4-10.el6.x86
21%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
module load openspeedshop-2.0.1 module load mvapich-1.1  (or other MPI implementation). If you run your application like this normally, mpirun –np 256 smg2000 –n 65 65 65  or this, srun -ppbatch -N 32
21%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
to face prosecution, it's probably sensible to avoid such behaviour in the first place. First, disable ping, in case that triggers a firewall's ruleset: # nmap -P0 12.34.56.78 Then run the UDP and SYN
21%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
, in case that triggers a firewall's ruleset: # nmap -P0 12.34.56.78 Then, run the UDP and SYN (Stealth) scans concurrently, as mentioned previously: # nmap -sUS 12.34.56.78 With the use of the -f
21%
Network performance in-terminal graphics  tools
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Lucy Baldwin, 123RF.com
$ ethstats -c1 eth0: 0.03 Mb/s In 0.14 Mb/s Out - 51.4 p/s In 38.8 p/s Out requests a single sample and shows a somewhat idle system. Grand Finale With a nearly inexhaustible supply
21%
TCP Stealth hides open ports
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © momo5287, 123RF.com
submitted his master's thesis on the subject of TCP Stealth in 2014 [12]. If you have been following the port knocking scenario for a few years, you might remember SilentKnock [13]. The project uses the same
21%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
to the first sed I know that here is only a SINGLE space 45 display_list="$(sed ':a;N;$!ba;s/\n / /g'<<<"$xrandr_current" | sed \ -n -e 's/^\([a-zA-Z0-9_-]\+\) connected.* \([0-9]\+\)mm.* \([0-9]\+\)mm
21%
Parallel Python with Joblib
08.04.2014
Home »  HPC  »  Articles  » 
| elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2.3s remaining: 3.5s
21%
Parallelizing and memorizing Python programs with Joblib
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
)]: Done 1 out of 181 | elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2
20%
Benchmarking a new architecture
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
  Quad-core Xuantie C910   64KB+64KB data/instruction caches per core   1MB shared L2 cache GPU 50GFLOPS BXM-4-64 NPU 4TOPS INT8 at 1GHz

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