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51%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
of the array), has to be specified. The following are simple examples of a declaration INTEGER, TARGET :: a(3), b(6), c(9)INTEGER, DIMENSION(:),POINTER :: pt2 and multidimensional arrays: INTEGER, POINTER
51%
Finding and recording memory errors
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
the counters. Listing 2 Content of csrow0 $ ls -s /sys/devices/system/edac/mc/mc0/csrow0 total 0 0 ce_count 0 ch0_dimm_label 0 edac_mode 0 size_mb 0 ch0_ce_count 0 dev_type 0 mem
50%
Using rsync for Backups
07.01.2014
Home »  Articles  » 
 
the space used in the two backup directories and the SOURCE directory. The SOURCE directory reports using 9.2MB; backup.0 , the most recent snapshot, also reports using 9.2MB (as it should), and backup.1
50%
LXC 1.0
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © designpics, 123RF.com
in the container configuration. The following example allows 100MB of RAM and 100MB of swap space: lxc.cgroup.memory.limit_in_bytes = 100M lxc.cgroup.memory.memsw.limit_in_bytes = 200M Table 2 [7] provides
50%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
="unformatted")     write(2) b     close(2)       end program The compiled code outputs the value of element (5,5)  for both the double-precision and real arrays: ./fortran_test1 a(5,5) = 9.9179648655938202 b(5,5) = 9
50%
Security without firewalls
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© rukanoga, 123RF.com
software, Postfix [2]. The story goes that the talented Venema needed to keep track of attacks on workstations at a university and wrote a piece of software capable of limiting port access by rules
50%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
, appearing in alphabetical order but allowing intervening letters, you can use the search expression: "a.*e.*i.*o.*u" This would match lines 1, 2, and 3. If you want lines containing all five vowels in order
50%
Multiprocessing in Python with Fortran and OpenMP
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Photo by Zachary Young on Unsplash
wall clock time = ', wtime ! ! Terminate. ! write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'HELLO_OPENMP' write ( *, '(a)' ) ' Normal end of execution.' !stop end For testing, I used f2py to build
50%
Modern Fortran – Part 1
20.10.2016
Home »  HPC  »  Articles  » 
), has to be specified. Here is a simple example of the declaration:       INTEGER, TARGET :: a(3), b(6), c(9)       INTEGER, DIMENSION(:), POINTER :: pt2 Another quick example of multidimension arrays
50%
Secure Your Server with TCP Wrappers
02.10.2012
Home »  Articles  » 
 
addresses to connect /etc/hosts.allow , the file would simply look like this: sshd: 10.10.10.10, 1.2.3.4, 21.21.21.21 TCP Wrappers works nicely, even if you change the standard SSH port (it’s usually TCP

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