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24%
Server virtualization with VirtualBox
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Federico Caputo, 123RF.com
, Mac OS X, and Solaris), and it supports a wide number of guest systems, including exotics such as DOS/WIN 3.1 and OS/2. Installing VirtualBox is easy on any platform because it usually only involves
24%
Neglected IPv6 features endanger the LAN
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
© Stanislaw Tokarski, 123RF.com
support to its Windows Vista and Windows Server platforms in 2007. Linux in all its variants and Apple's Mac OS X followed suit; thus, the new protocol spread with each new installation. On all ... IPv6 is establishing itself in everyday IT life, and all modern operating systems from Windows, through Mac OS X, to Linux have it on board; but if you let IPv6 introduce itself into your environment
24%
Registry for Docker images
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Viktoriya Malova, 123RF.com
is the registry – the storage space for Docker images – which did not even have a mechanism for authentication. Later, the image format was changed and Registry 2.0 (a.k.a., "Docker Distribution") was released
24%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
, 20). The drive size has not changed much from the original: $ sudo blockdev --getsize64 /dev/sdb1 7000257724416 Listing 2 New Partitions 01 $ cat /proc/partitions 02 major minor
24%
Let the Editor Wars Begin!
25.08.2016
Home »  HPC  »  Articles  » 
the same version on CentOS 6.x. Figure 8: Gedit 2.30 on Windows 10. The current version 3.20 (Figure 9) of gedit has a new, cleaner interface that works
24%
Ceph Dashboard at a Glance
02.06.2026
Home »  Archive  »  2026  »  Issue 93 Disast...  » 
Lead Image © Prin Pattawaro, 123RF.com
module, the Dashboard also is automatically available in every Ceph setup. If you run cephadm bootstrap [20] to install a new Ceph cluster, the Dashboard is even enabled out of the box by default and can
24%
The Swiss Army knife of fault management
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Dmitry Rukhlenko, 123RF.com
, to monitoring and controlling complete systems. Identifying Services OpenNMS can automatically identify the services you need to monitor. In versions up to 1.8.x, this task is handled by the capabilities daemon
24%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Daniela Mangiuca, 123RF.com
_copied=copy_to_user(user,hello_world,to_copy); 19 return to_copy-not_copied; 20 } 21 22 static struct file_operations fops = { 23 .owner= THIS_MODULE, 24 .read= driver_read, 25 }; 26 27 static int __init mod_init( void ) 28 { 29
24%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
that is 80% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application
24%
Improved Performance with Parallel I/O
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © Ying Feng Johansson, 123RF.com
% parallelizable (20% is serial, primarily because of I/O). For one process, the wall clock time is assumed to be 1,000 seconds, which means that 200 seconds is the serial portion of the application. By varying

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