Tag Archives: linux

Dell Open Networking and SDN – All About Disaggregation

When Dell first announced its Open Networking initiative a little over a year ago, they were the first major networking vendor to do so. Very similar to what Dell did for servers, Dell is now doing for networking – allowing … Continue reading

Posted in Big Switch Networks, Big Switch Networks, Cumulus Linux, Dell, Dell Force10, IP Infusion, Microsoft, Midokura, Midokura, NEC, NEC, Networking, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

6WIND – From Data Plane Acceleration to Virtual Appliances

6WIND is an interesting company I’ve been following for some time now, initially out of curiosity, and then out of more curiosity :-). They first started as a networking software company claiming to solve performance challenges for software defined networks … Continue reading

Posted in 6WIND, 6WIND, Dell, Dell PowerEdge Rack Servers, Linux, Network Architecture, Networking, Operating Systems, Servers, Technology, Virtualization and Cloud Computing | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Security, Art of Hacking, & the Worst 2014 Security Breaches

Security is hot; no doubt about it. Consider the fact that between 2011 and 2013, venture investors put nearly $3 billion into cyber security companies, resulting in new funding for some 300 firms (Source: Thomson Reuters). Worldwide security software revenue … Continue reading

Posted in Business, Hacks, Labs, Linux, Network Architecture, Network Security, Networking, Operating Systems, Programming Languages, Python, Red Hat Linux Enterprise, Security, Technology, Technology, Tips, Tips & Tricks, Windows | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Cumulus Linux on Dell Switches: Spine-Leaf Architecture & OSPF on Unnumbered Interfaces

In a prior blog, Cumulus Linux on Dell Networking Switches, I demonstrated how to install Cumulus Linux on a Dell S6000 switch and do some basic configuration. In this blog, I’ll demonstrate how to configure routing on Dell switches running … Continue reading

Posted in Cumulus Linux, Dell, Dell Force10, Labs, Network Architecture, Networking, Protocols, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

BASH Shell Scripting: Passing Arguments to a Python Script

Larry Wall: “Shell programming is a 1950s juke box …” In this short blog I write a small Python utility script to create directories and demonstrate how to utilize it and pass it arguments via BASH shell script. The functionality … Continue reading

Posted in BASH Shell Scripting, Mac OS X Mavericks, Operating Systems, Programming Languages, Python, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , | 1 Comment

openSUSE 13.1 and Useful Apps

openSUSE 13.1 has been released. I just installed it on an old HP 6530b laptop without issue. Screen resolution, volume, wireless internet, and USB device recognition all seem to work without any additional mucking around. Of course things may not … Continue reading

Posted in Linux, openSUSE, Operating Systems, Technology | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

IT Certifications, Innovation, and Career Growth – Making the Right Decisions

I often get asked, “What certification should I get next?” There is no right way to answer this question without a deeper analysis of why a certification is being sought in the first place. I’ll focus specifically on IT certifications … Continue reading

Posted in Business, Life, News, Technology, Tips | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Configuring a Syslog Server on CentOS 6.3 for Dell Force10 Switches

In this lab I’m going to demonstrate how to configure a syslog server to use with Dell Force10 switches. A syslog server can be used to store log files remotely on an external server. Syslog servers can be invaluable when … Continue reading

Posted in CentOS, Dell, Dell Force10, Labs, Linux, Network Architecture, Networking, Operating Systems, Troubleshooting | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Linux – tar command

The linux ‘tar’ program (name derived from tape archive) is a useful utility for archiving/transmitting files. A ‘.tar’ file does not represent compressed files; it is a collection of files within a single uncompressed file. If the file is a … Continue reading

Posted in Linux, Operating Systems | Tagged , , , , , , , , , , , , , | Leave a comment