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19%
Checking password complexity with John the Ripper
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
for checking a password hash file against a password dictionary is very high. A hacker can recover dictionary-based passwords in minutes, whereas a brute force attack can take days. Brute force is a single-character-at-a
19%
Profiling Python code
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image ©-Yong Hian Lim, Fotolia.com
# Compute RIJ, the displacement vector 177 49900000 33530834.0 0.7 9.3 for k in range(0, d_num): 178 37425000 39827594.0 1.1 11.1 rij
19%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
:add-symbol-file module.ko text_address -s .data data_address -s .bss bss_address 9. Debug: Set breakpoints and so on. In Toolchain , enable the Build gdb for the Host option; in Kernel | Kernel version , type 3
19%
Managing Logs
06.08.2026
Home »  Archive  »  2026  »  Issue 94 OpenSt...  » 
Photo by Conny Schneider on Unsplash
the package on the host where MongoDB is running, generate the administration password as an SHA256 hash, open the configuration file, and enter the key parameters: sudo apt install graylog-server echo -n
19%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
command: # sockstat | grep "\*:[0-9]" The description for rc.conf(5) lists the services that need to be bound to a fixed IP address via parameters. One example is the inetd service: inetd_flags="-wW -a
19%
Operating systems for the cloud and containers
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © leeavison, 123RF.com
to manage them disappeared. Container Linux ruthlessly replaces the entire /usr directory instead of individual files (Figure 3). The main work is handled by Linux containers à la Docker [20], or Rkt [21
19%
Profiling application resource usage
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© fauxware, fotolia.com
(Accelerated Processing Unit) [4]. This processor combines a CPU with a GPU on a single chip. For example, the recently announced AMD A10-5800K has the following specifications: 4 cores at 3.8GHz (turbo
19%
Moving your data – It's not always pretty
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
digifuture, 123RF
://blog.ciberterminal.net/2012/10/16/parallel-rsyncing-a-huge-directory-tree/ Parallelizing RSYNC Processes: http://sun3.org/archives/280 Parallelizing rsync: http://superuser.com/questions/353383/parallelizing-rsync Bit
19%
mpi4py – High-Performance Distributed Python
12.11.2020
Home »  HPC  »  Articles  » 
("Rank %d Message Received, data is: "%rank, data) # end if Listing 6: Point-to-Point Output output: Rank 0 data is:  [0 1 2 3 4 5 6 7 8 9] Rank 1 Message Received, data is:  [0 1 2 3 4] Rank 2 Message Received, data is:  [5 6 7 8 9] More Complex
19%
Finding and recording memory errors
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
should cause a machine check exception (MCE) [3], which should crash the system. The bad data in memory could be related to an application or to instructions in an application or the operating system

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