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31%
Process, Network, and Disk Metrics
26.02.2014
Home »  HPC  »  Articles  » 
 reqs merged:           0.00/s     Write reqs completed:            0.00/s    Read BW:                     0.00 MB/s  Write BW:                        0.00 MB/s    Avg sector size issued       9.39       Avg
31%
I/O benchmarks with Fio
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Kheng Ho Toh, 123RF.com
creates a 256MB file in the current directory along with process for the job. This process reads complete file content in random order. Fio records the areas that have already been read and reads each area
31%
Touring the top Knoppix debugging and rescue tools
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Rafal Olechowski, 123RF.com
the passphrase as the real key; don't use a hash algorithm. For example: losetup -e aes -k 256 -N /dev/loop0 partition.img If your distribution uses a special derivate of losetup from the loop-aes package
31%
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
31%
Safe Files
16.04.2015
Home »  HPC  »  Articles  » 
the simple text file hpc_001.html : [laytonjb@home4 TEMP]$ ls -s total 7288  196 hpc_001.html  7092 MFS2007.pdf [laytonjb@home4 TEMP]$ 7z a -p hpc_001.html.7z hpc_001.html   7-Zip [64] 9.20  Copyright
31%
Oracle Database 12c: Cloud computing with multitenant architecture
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Jakub Jirsak, 123RF.com
BE04380B0A8C06105 NORMAL 1720734 1 SQL> select name from v$datafile order by 1; ====================================================================; DATA01/CDB1/DATAFILE/sysaux.256
31%
Solving the security problems of encrypted DNS
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Leo Blanchette, 123RF.com
Vuuouf 04 aKdeFvdeY4x9tGmh7FQ51Qi6EEr9LLy2Q8qTtEuN2fJ4PnWBNRfKwhWb 05 SNQWvq1jwhsXlsAelLz7tO5kptI7TO16p2ncpnhJqfzT5mWJ4nK76YPZ 06 lu+MZlIYJOMv/OQWD2nVmsjXeO0dnsrL8MyC5wdyPy2gbksWBscsbwN2 07 34APEYO48B6sovy
31%
Monitoring with Zabbix
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Les Cunliffe, 123RF.com
machine, and the database can easily be installed on a separate host. Setting up a Test Environment The installation requirements of 128MB of free RAM and 256MB of free disk space, as cited
31%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
-1) = 0.25 * (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n)) Using forall, the same can be written as: forall (i=2:n-1, j=2:n-1) a(i,j) = 0.25*(a(i-1,j) + a(i+1,j) + a(i,j-1) + a(i,j+1
31%
Secure SSH connections the right way
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Olivier Le Moal, 123RF.com
4fc2c67 server.example.com IN SSHFP 3 2 fbfb8965a367f71e4ed8f6737a2e2db1c04be671db7c9c4e17ac346b9ae7a825 With the SSH option VerifyHostKeyDNS=yes set, SSH clients compare the supplied

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