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18%
Post-Quantum Cryptography with TutaCrypt
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © pitinan, 123RF.com
now. With that need in mind, the email vendor Tuta [3] just rolled out a new version of their Tuta Mail product (Figure 1) that features quantum-resistant encryption, becoming one of the first
18%
Fishing with Remora
09.12.2025
Home »  Articles  » 
 
: WARNING - Couldn't find the GPU memory summary file  Total Elapsed Time           :  0d 0h  3m 15s 650ms ==============================================================================  Sampling Period              : 1 seconds  Report
18%
Archiving email and documents for small businesses
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Pavlenko Evgenly, fotolia.com
.tex att3.tex > attach.tex 28 pdflatex attach.tex 29 30 # Generate filename from date and random number 31 32 dn=$(date +%Y-%m-%d-%H-%M-%S.$$) 33 34 # Merge PDF files 35 36 pdftk A=copy.pdf B=attach.pdf CAT
18%
Open source data center virtualization with OpenNebula
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
a network. The requirements in terms of dynamic change and availability, however, soon reach their limits with this kind of solution. Besides the rather abstract IaaS services, which you can purchase
18%
Maatkit tools for database administrators
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
tiero, 123RF
support other free database management systems, including PostgreSQL [3] and Memcached [4]. Maatkit was developed in 2006 by Baron Schwartz. Since 2008, Daniel Nichter has been the main developer, although
18%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
to do, but some basic tools can help you. For example, tools such as sysstat utilities sar, iostat, and nfsiostat [1]; iotop [2]; and collectl [3] can be used to help you measure your I/O usage. (This
18%
Container and hardware e-virtualization under one roof
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Maxim Kazmin, 123R
; whereas KVM [3] supports genuine hardware virtualization in combination with the right CPU. Both virtualization technologies support maximum performance for the guest system in line with the current state
18%
Managing computers with Rex
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Stanislav Rishnyak, 123RF.com
3 defines two tasks. The first, apacheinstall, installs the Apache web server on all servers (install package) and starts it ( service ... "start"). It makes no difference which Linux distribution
18%
Virus scanner and content filter with AD authentication
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Denis Makarov, 123RF.com
. With a little support from the Samba project, the Squid proxy [1] can grant users access by referencing their Active Directory accounts. Part 1: Configuring Samba Besides Squid, you will need Samba 3.x, Samba
18%
A swap space primer
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
to investigate the configuration of swap space is to check /proc/swaps directly (Listing 1) or with the equivalent swapon -s. Listing 1 /proc/swaps 01 $ more /proc/swaps 02 Filename Type

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