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37%
Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Henner Damke, 123RF.com
version with advanced capabilities is available for EUR 49. A feature list [3] specifies the differences between the free and pro versions. The terminal function supports anti-aliasing, fonts, and macros
37%
An IP-based load balancing solution
30.11.2025
Home »  CloudAge  »  Articles  » 
arsgera, 123RF
use_regex = 0 22 load_monitor = rup 23 scheduler = rr 24 protocol = tcp 25 timeout = 6 26 reentry = 15 27 quiesce_server = 1 28 server webserver1 { 29 address ... 3
37%
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 1.2.3
37%
Monitoring KVM instances with Opsview
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Gina Sanders, Fotolia
Since the Linux kernel 2.6.20 release in February 2007, the Kernel-Based Virtual Machine, KVM [1], has made much progress in its mission to oust other virtualization solutions from the market. KVM
37%
The RADOS object store and Ceph filesystem
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Brigida Soriano, Fotolia.com
to install RADOS and Ceph. Ceph, which is a plain vanilla filesystem driver on Linux systems (e.g., ext3 or ext4), made its way into the Linux kernel in Linux 2.6.34 and is thus available for any distribution
37%
High-availability workshop: GFS with DRBD and Pacemaker
30.11.2025
Home »  Archive  »  2012  »  Issue 07: Xen v...  » 
© Maxim Borovkov, 123RF.com
cluster nodes, and the ext3 driver on node A wouldn't have the option of querying the state of the same DRBD resources on node B if it wanted to write to the medium. In the worst case, a write to the DRBD
37%
Modern network diagnostics on Windows and Linux
27.05.2025
Home »  Archive  »  2025  »  Issue 87: Light...  » 
Photo by Nk Ni on Unsplash
refined by the -4 or -6 options to limit the results to IPv4 or IPv6 connections. The -f flag lets users specify an address family (e.g., inet for IPv4 and IPv6 or unix for Unix domain sockets), providing
37%
OpenVPN with e-tokens in large-scale environments
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© sTan, fotolia.com
. Tokens and Certificates Of course, the VPN dial-up no longer uses a simple pre-shared key (PSK) but, instead, uses secure, centrally manageable X.509 certificates [3] that automatically expire. You can
37%
Network analysis with Wireshark
30.11.2025
Home »  Archive  »  2011  »  Issue 5: Pen Te...  » 
© Reinhard Eisele
-click the packet details in the packet list to add protocol fields. The release of Libpcap 1.0.0 added the ability to define the buffer size for recording and to view JPG files directly in Wireshark. Version 1.6 ... An administrator can only gain useful insights from network analysis if they understand the underlying procedures and protocols. The new version of Wireshark, 1.6, formerly known as Ethereal, can
37%
Successful automatic service detection
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Dmitriy Denysov, 123RF.com
ports on www2.haribo.com (213.185.81.67): Not shown: 995 closed ports PORT STATE SERVICE VERSION 21/tcp open ftp? 22/tcp open tcpwrapped 80/tcp open http Apache httpd |_ html

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