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29%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
# Header for user-specific report 19 printf("%2s\t%4s\t%4s\tD=%2d\n", "N", "Xdat", "Xpdq", MAXDUMMIES); 20 21 foreach $users (sort {$a <=> $b} @vusers) { 22 pdq::Init($model); 23 $pdq::streams = pdq
29%
Netcat – The Admin’s Best Friend
20.08.2012
Home »  Articles  » 
 
With the seemingly unlimited number of Linux packages available today in repositories, sometimes it’s easy to get lost and miss out on the really high quality packages – those that offer the most ... examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, entering # nc -s 1.2.3.4 examplehost.tld 8181 will connect to examplhost ... With the seemingly unlimited number of Linux packages available today in repositories, sometimes it’s easy to get lost and miss out on the really high quality packages – those that offer the most ... Netcat – The Admin’s Best Friend
29%
Mounting Compressed Archives as a User
25.01.2022
Home »  HPC  »  Articles  » 
to get into the Linux kernel. A couple of my earlier articles that mention FUSE address data encryption and working with S3QL object storage. As evident by these applications, FUSE can be very useful
29%
First steps in IT automation by Rex
11.06.2014
Home »  Archive  »  2014  »  Issue 21: Manag...  » 
Lead Image © Konstantin Chagin , 123RF.com
@hercules 10 The key's randomart image is: 11 +--[ RSA 2048]----+ 12 | | 13 | . | 14 | E | 15 | .. . | 16 | ..o. .S | 17 | .o . oo o | 18
29%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
seconds, for example: # nc -p 16000 -w 30 examplehost.tld 22 If firewalling is in place and you need to originate your connection from a specific IP address to open a port, then you can enter: # nc -s 1
29%
Server Virtualization with VirtualBox
18.09.2012
Home »  Articles  » 
 
Oracle’s free VirtualBox virtualization solution is intended for use on the desktop. Management of virtual machines is via a GUI that only works
29%
Monitoring Cloud Service Charges
17.08.2011
Home »  CloudAge  »  Blogs  »  Dan Frost's Blog  » 
 
Meter’s running - How to avoid spending all your money— Ever been in a cab, stuck in traffic watching the meter run. You watch each 50-cent increment nudge the fair up dollar by dollar, wondering
29%
HDF5 with Python and Fortran
21.03.2017
Home »  HPC  »  Articles  » 
  18      print "dset.shape = ",dset.shape 19  20      print "dset.dtype = ",dset.dtype 21  22      print "dset.name = ",dset.name 23    24      print "f.name = ",f.name 25    26      grp
29%
SSHFS for Shared Storage
15.09.2020
Home »  HPC  »  Articles  » 
and interacts with a remote filesystem as though it were local (i.e., shared storage). It uses the SSH File Transfer Protocol (SFTP) between hosts, so it’s as secure as SSH. (I’m not a security expert, so I can
29%
Userspace secure filesystem
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © mipan, 123RF.com
need SSH active on both systems. Almost all firewalls are set up to allow port 22 access or have mapped port 22 to a different port that can accommodate SSHFS. All the other ports can be blocked

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