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18%
Script utilities in depth: grep, awk, and sed
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© jirkaejc, 123RF.com
/share/zoneinfo -type f | \ 07 grep -v 'posix|right|Etc|SystemV | \ 08 grep -i $city` 09 echo -n "Time in $1: "; TZ=`echo $z` date The first section of this code ensures that the script's argument
18%
Mocking and emulating AWS and GCP services
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Juri Samsonov, Fotolia.com
_GCPCPSTST FROM alpine:3.19 AS dockerize ENV DOCKERIZE_VERSION v0.7.0 RUN wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-alpine-linux-amd64-$DOCKERIZE_VERSION.tar.gz && tar
18%
Lean on Logwatch
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © MuharremZengin, 123RF.com
NEW packages will be installed: libdate-manip-perl libyaml-syck-perl logwatch As a result, about 12.5MB of new software is installed. Logwatch gets configuration details several ways: from script
18%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
in to the first compute node (Listing 5). Listing 5: Checking Lmod on the Compute Node [laytonjb@warewulf ~]$ ssh n0001 Last login: Sun Feb 12 09:10:32 2023 from 10.0.0.1 [laytonjb@n0001 ~]$ module
18%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
2P). Listing 2P: Python Code Example with Output in Loop (One-by-One) 1 #!/usr/bin/python 2 3 if __name__ == "__main__": 4 5 local_dict = {'x':0, 'y':0, 'z':0,'value':0.0}; 6 7 counter
18%
CoffeeScript: A Replacement for JavaScript?
05.03.2013
Home »  Articles  » 
 
   constructor: (a, b, @width) -> 09     super a,b 10  11   draw: -> 12     alert "Width:" " + @width 13     super 14  15 shape = new rectangle 1,2,3 16 shape.draw() The @ in the constructor ensures that Coffee
18%
Handy Windows tools for sniffing network traffic
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Barna Tanko, 123RF.com
and analyzing network packets are SmartSniff [1], SniffPass [2], and Open Visual Traceroute [3]. In this article, I introduce these three handy utilities and also take a look at Microsoft Message Analyzer, which
18%
Monitoring daemons with shell tools
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Shariff Che'Lah, 123RF.com
is not accessible! ****************" >> dba.log 15 /usr/local/etc/rc.d/002pgsql.sh start 16 sleep 15 17 psql -U monitor -d monitor -c "select * from watch;" 18 19 if [ $? -eq 0 ]; 20 21 then 22
18%
Innovations in PowerShell 5
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Zarko Cvijovic, 123RF.com
the version number 5.0.10018.0 . This development is all the more interesting, given that the installation directory still goes by the name v1.0; it will probably keep this name for all time for reasons
18%
Modern Fortran – Part 3
25.01.2017
Home »  HPC  »  Articles  » 
, dimension(n) :: a[*]    ! Array coarray   real, dimension(n), codimension[*] :: a   ! Array coarray   integer :: cx[10,10,*]   ! scalar coarray with corank of 3   ! Array coarray with corank of 3 with different cobounds real :: c(m,n) :: [0 ... Modern Fortran – Part 3

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