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43%
More than password protection, htaccess has you covered
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Dmitry Bruskov, 123RF.com
Hark back to those halcyon days when the GIF89a and the blink tag ruled the web page and the most common use of htaccess on the nascent Apache HTTP Server was password protecting a directory. As you
43%
Bundle your custom apps in a Debian package
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Cathy Yeulet, 123RF.com
typically update Dynamic DNS with a one-liner (you'll need to set up your Dynamic DNS account first): curl 'http://www.dnsmadeeasy.com/servlet/updateip?username=myuser&password=mypassword&id=99999999&ip=123.231.123
43%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
directions) 085 086 ALLOCATE ( unew(1:m,1:m), u(1:m,1:m) ) ! mem for unew, u 087 088 ! 089 ! Boundary Conditions 090 ! =================== 091 ! 092 pi = DACOS(0.0d0) 093 094 ! Top of unit square: (N) 095
43%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
is how easy it is to change things once the cluster is working. For example, if you get a cluster set up and then a user comes to you and says, “I need package XYZ built with library EFG version 1.23,” do
43%
ASCII-based monitoring tools
30.05.2021
Home »  Archive  »  2021  »  Issue 63: Autom...  » 
Lead Image © tele52, 123RF.com
A long time ago, I was a system administrator for a couple of HPC systems, but I also inherited two Hewlett-Packard (HP) N-class servers (mainframes). Along with two WORM storage units, these were
43%
Admin as a service with sysstat for ex-post monitoring
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Levente Janos, 123RF.com
likely to be restricted to the times at which you are sitting in front of the screen. Admins typically receive requests for more detailed information, like: "What exactly happened on system XY between 1:23
43%
Managing cluster software packages
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© victoroancea, 123RF.com
, however, is how easily you can change things once the cluster is working. For example, if you get a cluster set up and then a user comes to you and says, "I need package XYZ built with library EFG version 1.23
43%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
) ! Delta (x and y directions) ... 117 ! Solution Initialization 118 ! +++ !$OMP PARALLEL DO SHARED(m,n,u) 119 DO j=2,m-1 120 DO i=2,m-1 121 u(i,j)=0.0d0 122 ENDDO 123 ENDDO +++ !$OMP END
43%
News
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
 
ranking the top 25 worst passwords in order of how commonly they are used. Here are the top ten: 1. password 2. 123456 3. 12345678 4. qwerty 5. abc123 6. monkey 7. 1234567 8. letmein 9. trustno1
43%
The Lua Scripting Language
28.01.2014
Home »  HPC  »  Articles  » 
brackets constructors, { } : t = {} t['foo'] = 'bar' t['123'] = 'linux' As the Lua developers emphasize, tables are not really variables or types but dynamic objects, whose values you can only reference

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