Linux Magazine #162 - Digital Issue

Also in this issue:

• SDN Up Close: A number of factors make classically organized IP networks difficult to plan and manage. Some admins address these problems with software-defined networking.
• The OpenFlow protocol and its surrounding technologies are bringing the promise of SDN to real networks.
• Several players are collaborating on the foundations of future SDN products under the umbrella of the OpenDaylight open source project.
• Mininet lets you construct software-defined networking topologies in a sandbox before you release them onto your network.
• Comment: Coins and Trains
• On the DVD: Mageia 4 and openSUSE 13.1
• News
• Survey Tools: We find which tools are suitable for online surveys and which will best help you analyze your results.
• Samba 4: New features in Samba 4.
• Ask Klaus! Klaus Knopper answers your Linux questions.
• ATA over Ethernet: Build a network-based virtual RAID solution using AoE.
• USB Multiboot: Tools MultiBootUSB and MultiSystem tools transfer multiple Live systems to a USB flash drive and even install a matching boot manager automatically.
• Security Lessons – Logging DNS Replies: Kurt explains how to capture DNS replies and keep them forever.
• Charly – Mod_bw: Mod_bw throttles the big data hogs when too many users are competing for bandwidth.
• Go Programming: Go combines type safety with manageable syntax and an extensive library.
• Perl – Elasticsearch: The Elasticsearch Lucene-based search engine quickly finds text expressions in a large, distributed database.
• Workspace: Text Expander Two utilities and a dash of Bash let you create a simple yet flexible text expander.
• Downloading Web Video: Store YouTube movies on your hard disk and view them when you’re offline.
• 4MLinux: A choice of feature-oriented Linux variants without the bulk.
• Command Line – Fish: Feature-rich Friendly Interactive Shell (Fish).
• Doghouse – Happy Anniversary: “maddog” remembers 20 years of association with Linux, CeBIT, and open source.
• Kernel News: Zack Brown looks at kernel developer activity, problems with kernel test bloat, and assembler in the kernel.