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12%
SmartOS as a virtualization platform
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Paulus NR, 123RF.com
various systems as guests, including Microsoft. Another advantage of SmartOS is that it provides complete support for the DTrace tracing framework that can trace kernel and userspace programs at run time
12%
Virt-builder generates VM images in a flash
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Petris, fotolia.com
the network, and so on. Virt-builder is provided in the libguestfs packages as of version 1.24, although no current Linux distribution has these packages on board. Thus, if you want to try out virt
12%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
/Linux systems. Not only does sar provide ad hoc information on many performance values, it also collects data incessantly and sorts it on a daily basis into organized binary logs. Sar keeps seven logs by default
12%
Troubleshooting and analyzing VoIP networks
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Ioannis Kounadeas, Fotolia.com
a lost packet after a certain delay. However, the VoIP mechanisms and the underlying RTP/user datagram (UDP) protocols do not provide for retransmission. Packet losses must therefore be compensated (to
12%
News for Admins
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
 
, Proofpoint and TrendMicro, providing Microsoft with evidence that the bug is being used by criminals. This time Microsoft took it seriously. Proofpoint wrote in a blog post that, "During our work with Trend
12%
Halting the ransomware blackmail wave
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © sandra zuerlein, fotolia.com
successful. Spam fax messages are another creative form of attack. At first glance, the matching and deceptively realistic fax by VoIP provider sipgate attempts to deceive the user and motivate them to open
12%
Targeted attacks on companies
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Ildar Galeev, 123RF.com
with a high security level with this method of attack. In addition to attacks on employees and business partners, service providers with a low security level are also targeted. To protect against this type
12%
News for Admins
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
not happy with Google's disclosure. But it's debatable whether such exploits should be patched immediately or companies should wait for their regular update cycle. To Google's defense, the company provided
12%
Keeping Docker containers safe
13.02.2017
Home »  Archive  »  2017  »  Issue 37: Distr...  » 
Lead Image © Irina Tischenko, 123RF.com
're running a single LEMP (Linux, Nginx, MySQL, PHP) website that sometimes needs to scale up for busy periods, containers can provide with relative ease the software dependencies you need across all stages
12%
Exploring the most famous performance tool
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © Lucy Baldwin, 123RF.com
. The ultimate solution is to use dedicated hosts, a facility providing complete control of your instance placement but at an additional cost. The House of Mac Unlike the Linux version, the Mac OS version of top

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