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Avoiding an ISSUe on the Nexus 5000

The idea for this post came from someone I was working with recently. Thanks Fan (and Carson, and Shree) :-)

In Service Software Upgrade (ISSU) is a method of upgrading software on a switch without interrupting the flow of traffic through the switch. The conditions for successfully completing an ISSU are usually pretty strict and if you don't comply, the hitless upgrade can all of a sudden become impacting.

The conditions for ISSU on the Nexus 5000 are pretty well documented (cisco.com link) however, there are a couple bits of knowledge that are not. This post is a reminder of the ISSU conditions you need to comply with and a call out to the bits of information that aren't so well documented.

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Joomla patches critical remote execution bug

The open-source project behind the widely used Joomla content management system has issued a patch for a vulnerability that is now being widely used by hackers.Sucuri, a company that specializes in securing websites, wrote on Monday that attackers have been trying exploit the flaw for the last two days.As of Monday, Sucuri said "the wave of attacks is even bigger, with basically every site and honeypot we have being attacked. That means that probably every other Joomla site out there is being targeted as well."The vulnerability, which affects Joomla versions 1.5 to 3.4.5, involves the user agent string, which is information transmitted by a browser to a Web server when a user visits a Web page.To read this article in full or to leave a comment, please click here

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Rivelo Resigns as CEO of F5 Networks

'Personal conduct'? John McAdam is back as interim CEO after just 8 months.

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F5 Networks brings back retired exec after CEO resigns over “personal conduct”

F5 Networks, the Seattle-based application delivery networking company with an increasingly cloud-oriented focus, has announced that CEO and President Manuel Rivelo has resigned "for matters regarding personal conduct unrelated to the operations or financials of the Company."Or as F5 spins it in its press release headline on Monday: "F5 Networks Announces Appointment of Long-Time F5 Executive John McAdam as President and CEO."To read this article in full or to leave a comment, please click here

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F5 Networks brings back retired CEO after successor resigns over “personal conduct”

F5 Networks, the Seattle-based application delivery networking company with an increasingly cloud-oriented focus, has announced that CEO and President Manuel Rivelo has resigned "for matters regarding personal conduct unrelated to the operations or financials of the Company."Or as F5 spins it in its press release headline on Monday: "F5 Networks Announces Appointment of Long-Time F5 Executive John McAdam as President and CEO."To read this article in full or to leave a comment, please click here

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IDG Contributor Network: Small, community banks using machine learning to reduce fraud

It will come as no surprise to hear that fraud is an increasing problem across all financial institutions, but it is not only plaguing larger banks but also smaller financial institutions. Statistics show that charges of debit card fraud have grown over 400% in only three years.A case in point is Orrstown Bank, a community bank located in Pennsylvania and Maryland. Orrstown wanted a way of tackling fraud in an ongoing way, but within the context of their budget and technology constraints. Fraudulent credit card scammers have developed more abilities to work around the majority of safeguards that banks have in place.For Orrstown, analyzing the patterns of activity from transactions where a card is present used to be much simpler. Historically, the bank could either search for charges made outside of their region or rely on customers to flag fraudulent activity on their statements. However, identifying fraud today has become much more complex. For example, there has been an increasing number of cases where criminals are selling cards back into the local area from which they were stolen—thus making tracking by locality more difficult. As a result, Orrstown explored more advanced forms of data analysis that could do Continue reading

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VMware Pulls Out of Virtustream Joint Venture

VMware’s stock has slid ever since it announced the joint venture with EMC.

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Engineers Getting Blamed

Engineers in many industries are often scapegoats for bad or immoral executive decisions. Here's how not to take the blame.

The post Engineers Getting Blamed appeared first on Packet Pushers.

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Engineers Getting Blamed

Engineers in many industries are often scapegoats for bad or immoral executive decisions. Here's how not to take the blame.

The post Engineers Getting Blamed appeared first on Packet Pushers.

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Cisco will need to tackle these high-tech issues in 2016

As it sets its sights on becoming the No. 1 IT company in the industry, Cisco will continue to face challenges and opportunities in virtually every IT market. Here’s an arbitrary list of 10 areas that will impact Cisco in 2016 as the company evolves to address emerging trends that are shaping the industry in the coming year and beyond.The antithesis of Cisco is disaggregation, taking off the shelf switching hardware and mixing and matching multivendor and open source operating systems to run it. It decouples the dependencies and integration of the hardware and software, which Cisco argues is an integration and total cost of ownership nightmare. But the big cloud companies are using it and eventually the enterprise, so Cisco will need to continue to address it by offering compelling consumption options in addition to competitive product. Perhaps uncoupling its own? (Read all Network World's predictions for next year.)To read this article in full or to leave a comment, please click here

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Developer claims ‘PS4 officially jailbroken’

If you have a PS4 and want to run homebrew content, then you might be happy to know developer CTurt claimed, “PS4 is now officially jailbroken.”Over the weekend, CTurt took to Twitter to make the announcement. CTurt CTurt He did not use a jail vulnerability, he explained in a tweet. Instead, he used a FreeBSD kernel exploit.To read this article in full or to leave a comment, please click here

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Google to revoke trust in a Symantec root certificate

Very soon, the Android OS, Chrome browser and other Google products will stop trusting all digital certificates that are linked to a 20-year-old Verisign root certificate.The announcement comes after Symantec unveiled plans to retire the Class 3 Public Primary Certification Authority from public use. This is a widely trusted CA that it acquired along with Verisign's SSL business in 2010.In an alert, the company said that as of Dec. 1, it no longer was using the root certificate, which is trusted by default in most browsers and operating systems, to issue TLS/SSL or code signing certificates.To read this article in full or to leave a comment, please click here

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Top 10 tech stories 2015: Transformation and transition

Cloud and mobile computing have created an imperative for the tech world: Change or fail. This year, legacy vendors like Dell, EMC and Microsoft all took major steps to reinvent themselves, sparking some of the biggest tech stories of the year. And all around us we've seen portents of big change at the intersection of tech and culture: self-driving cars, wearable technology, the use of drones for fun and profit. That's prompting increased attention on safety, privacy and public policy concerns as consumers and businesses alike figure out how to manage in this pervasively connected world. Here, not necessarily in order of importance, are the IDG News Service's picks for the top 10 tech stories of 2015.To read this article in full or to leave a comment, please click here

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Top 10 tech stories 2015: Transformation and transition

Cloud and mobile computing have created an imperative for the tech world: Change or fail. This year, legacy vendors like Dell, EMC and Microsoft all took major steps to reinvent themselves, sparking some of the biggest tech stories of the year. And all around us we've seen portents of big change at the intersection of tech and culture: self-driving cars, wearable technology, the use of drones for fun and profit. That's prompting increased attention on safety, privacy and public policy concerns as consumers and businesses alike figure out how to manage in this pervasively connected world. Here, not necessarily in order of importance, are the IDG News Service's picks for the top 10 tech stories of 2015.To read this article in full or to leave a comment, please click here

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Dealing With Non-Ideal NFV Systems

While NFV has grown by leaps and bounds, commercial offerings are lacking key features.

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Fun With Networking

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Open Office Floor Plan – Burn It!

Warning! This post is not technical in nature. This post covers personal opinions about an open office floor plan environment. Oh How I Hate Thee Open office spaces make me cringe! There are plenty...

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IDG Contributor Network: How iOS, Android apps share your data without notifications

The vast majority of tested Android apps share users' personal information like email addresses with third parties "behind-the-scenes," a report has uncovered. Many apps aren't required by the OS to notify users of the data being shared, the study finds. Out of 110 tested Android and iOS apps, 93% of the Android apps connected surreptitiously to a strange domain called safemovedm.com, for example. It's probably part of a background process, surmises the authors of a report published at the end of October on Harvard's open forum Journal of Technology Science (JOTS) website.The pillaging The study found that 73% of Android apps shared Personally Identifiable Information (PII), and that "47% of iOS apps shared geo-coordinates and other location data with third parties."To read this article in full or to leave a comment, please click here

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Worth Reading: Is your network This Old House?

Many information technology infrastructures are very similar to some of these old houses. Many of our customers have been adding on capability to their infrastructures, as their businesses require more IT capability, including advanced security, network bandwidth, storage, raw computing power, voice, data, and cloud. And many have done this without taking a look at the entire infrastructure to determine if the foundation is stable and can support all of the new capabilities – or whether there might be any cracks. via netcraftsmen

The post Worth Reading: Is your network This Old House? appeared first on 'net work.

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IT hiring to increase while recruiting challenges remain in 2016

IT managers responsible for finding new talent can expect a busy first half of the year, according to the latest forecast for tech hiring.  A solid 78% of hiring managers anticipate bringing on more tech people in the first six months of 2016 compared to the second half of 2015, reports tech career site Dice. Among those who see more hiring on the horizon, 71% plan to boost their teams by 11% or more.  Meanwhile, it doesn’t appear to be getting any easier to find skilled talent. Nearly half (49%) of hiring managers said the time to fill open positions has lengthened relative to last year, Dice reports. To read this article in full or to leave a comment, please click here