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15%
Network virtualization with OpenDaylight
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Juthamas Oonhawat, 123RF.com
to do so, launch Mininet at the command line as follows: sudo mn --topo single,3 --controller remote The --topo parameter defines the topology with three individual computers. The --controller remote
15%
Automation with Ansible
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Wavebreak Media Ltd, 123RF.com
the target path is not writable for standard users, sudo: true ensures that the remote command is run with root privileges. The copy: line transfers the local file to the remote computer. To make the whole
15%
Discovering SQL injection vulnerabilities
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Mika Specta, 123RF.com
command of the server. The --os-pwn option is used here; it can give an attacker a remote shell on servers that are running Windows 2003 R2. After adding --os-pwn to the command, select, for example
15%
Netcat – The admin's best friend
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Dmitry Rukhlenko, 123RF.com
used Netcat to connect to remote devices so far. Now I'll look more closely at some other functionality, create a Netcat server, and configure it to listen on a TCP port. The syntax is really simple
15%
System monitoring with Sysinternals
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Denis Tevekov, 123RF.com
. Unfortunately, AdInsight only lets you monitor local access; over-the-wire diagnostics via remote access are not supported. However, AdInsight's search function does let you filter by process, error, or request
15%
Igel thin clients
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Dana Bartekoske, 123RF
packages. In addition to the protocols for remote services, depending on the version, the clients might also have local applications like PDF Reader, SAP GUI, or a media player. The vendor homepage provides
15%
Backup tools to save you time and money
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Melissa King, 123RF.com
and restore? Can the software write to multiple volumes? Do you really need all of the features? Can the software do a backup of a remote system? In terms of what to back up and how often
15%
Connecting dissimilar IPsec implementations
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Yuri Arcurs, 123RF.com
Most admins are well aware of IPsec, the powerful protocol used to encrypt network traffic over TCP/IP networks. IPsec is often used with VPN connections to join remote LANs through a private tunnel
15%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
. Figure 2: Adding a PostgreSQL FDW as a database extension. You don’t have to install an FDW on the remote database server, but you must ensure that the local database is granted access
15%
Increasing Throughput with Link Aggregation
26.10.2012
Home »  Articles  » 
 
in a dynamic LAG can be configured as an active or passive LACP: Passive LACP: The port prefers not to transfer any LACPDUs. The port only sends LACPDUs if the remote site is an active LACP (i

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