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Thread processing in Python
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Christos Georghiou, 123RF.com
= sol.copy() 10 11 for j in range(0,ny-1): 12 sol[0,j] = 10.0 13 sol[nx-1,j] = 1.0 14 # end for 15 16 for i in range(0,nx-1): 17 sol[i,0] = 0.0 18 sol[i,ny-1] = 0.0 19 # end for 20 21 # Iterate 22
20%
News for Admins
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
 
Care support for CentOS 6 is $4.25 per instance per month, so you should expect the cost for supporting CentOS 8 to be about the same. CentOS Replacement, AlmaLinux, Available on Azure AlmaLinux hit the ground
20%
Build a honeypot with real-world alerts
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Bruce Rolff, 123RF.com
. The takeaway is the -j LOG option (line 12), which logs port scanning behavior to a logfile with the iptables: prefix. Listing 1 iptable Rules 01 *filter 02 *filter 03 :INPUT ACCEPT [0:0] 04
20%
Warewulf 4 – GPUs
20.02.2023
Home »  HPC  »  Articles  » 
. To get an accurate size, run du -sh  on both directories and subtract them from the total. On my machine, the compute node used about 1.2GiB, which I consider pretty good, especially because it includes
20%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file
20%
Malware Analysis
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © raptorcaptor, 123RF.com
uses for such cases. Moments later, I received email telling me that malware was discovered by Palo Alto WildFire analysis [6]. WildFire identifies unknown malware, zero-day exploits, and advanced
20%
Managing Linux Filesystems
13.06.2016
Home »  Archive  »  2016  »  Issue 33: IPv6...  » 
Lead Image © Ulrich Krellner, 123RF.com
Standard Filesystems Distribution Filesystem Debian (from v7.0 wheezy) ext4 Ubuntu (from v9.04) ext4 Fedora (from v22) XFS SLES (from v12
20%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
such invocation is essentially a pure processor workload that will maximally use up to one CPU core while taking up close to zero I/O or memory resources. The top [3] command displays a perfect 1.00 load average
20%
mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI
20%
Ansible collections simplify AIX automation
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © alexutemov, 123RF.com
]. Figure 1: The IBM AIX collection is available for download from Ansible Galaxy. Getting Started The AIX collection [6] contains a large number of modules and roles to help you manage AIX

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