Docker’s namespaces – See them in CentOS

In the Docker Networking Cookbook (I got my copy directly from Pact Publishing), Jon Langemak explains why the iproute2 utilities can't see Docker's network namespaces: Docker creates its namespace objects in /var/run/docker/netns, but iproute2 expects to find them in /var/run/netns.

Creating a symlink from /var/run/docker/netns to /var/run/netns is the obvious solution:

 $ sudo ls -l /var/run/docker/netns  
 total 0  
 -r--r--r--. 1 root root 0 Feb 1 11:16 1-6ledhvw0x2  
 -r--r--r--. 1 root root 0 Feb 1 11:16 ingress_sbox  
 $ sudo ip netns list  
 $ sudo ln -s /var/run/docker/netns /var/run/netns  
 $ sudo ip netns list  
 1-6ledhvw0x2 (id: 0)  
 ingress_sbox (id: 1)  
 $

But there's a problem. Look where this stuff is mounted:

 $ ls -l /var/run  
 lrwxrwxrwx. 1 root root 6 Jan 26 20:22 /var/run -> ../run  
 $ df -k /run  
 Filesystem   1K-blocks Used Available Use% Mounted on  
 tmpfs      16381984 16692 16365292  1% /run  
 $

The symlink won't survive a reboot because it lives in a memory-backed filesystem. My first instinct was to have a boot script (say /etc/rc.d/rc.local) create the symlink, but there's a much better way.

Fine, I'm starting to like systemd

Systemd's tmpfiles.d is a really elegant way of handling touch files, symlinks, empty Continue reading

Worth Reading: Massive networks of fake accounts on Twitter

Massive collections of fake accounts are lying dormant on Twitter, suggests research. The largest network ties together more than 350,000 accounts and further work suggests others may be even bigger. UK researchers accidentally uncovered the lurking networks while probing Twitter to see how people use it. Some of the accounts have been used to fake follower numbers, send spam and boost interest in trending topics. —BBC

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In treason case, Russia alleges security experts aided US

Two officers of the Russian Federal Security Service (FSB) and a cybercrime investigator from Kaspersky Lab have reportedly been charged with treason for helping U.S. intelligence services. The arrests of Ruslan Stoyanov, the head of the computer incidents investigation team at Kaspersky, and Sergei Mikhailov, the deputy head of the Information Security Center at the FSB, happened in early December and were reported in the Russian media last week. Since then, the arrest of a third FSB officer named Dmitry Dokuchayev, who also worked for the agency's Information Security Center, came to light, and the investigation is said to have targeted even more people.To read this article in full or to leave a comment, please click here

In treason case, Russia alleges security experts aided US

Two officers of the Russian Federal Security Service (FSB) and a cybercrime investigator from Kaspersky Lab have reportedly been charged with treason for helping U.S. intelligence services. The arrests of Ruslan Stoyanov, the head of the computer incidents investigation team at Kaspersky, and Sergei Mikhailov, the deputy head of the Information Security Center at the FSB, happened in early December and were reported in the Russian media last week. Since then, the arrest of a third FSB officer named Dmitry Dokuchayev, who also worked for the agency's Information Security Center, came to light, and the investigation is said to have targeted even more people.To read this article in full or to leave a comment, please click here

IDG Contributor Network: If the cloud is so great, why are so many businesses unsatisfied?

Cloud computing has become common in enterprise IT, and the hype around it remains as adoption soars. Research by IDG shows that 70 percent of enterprises currently use at least one cloud application, and in 2018, organizations with cloud-only IT infrastructure will become the majority.The global market for cloud services was worth $148 billion in 2016, according to Synergy Research Group, and it is growing by 25 percent annually. Amazon Web Services (AWS) alone reached $3.23 billion in revenue in the third quarter of 2016, while Microsoft Azure, the second-largest cloud provider, announced Thursday that revenue has nearly doubled in the past year, giving it an annual run rate of $14 billion.To read this article in full or to leave a comment, please click here

IDG Contributor Network: If the cloud is so great, why are so many businesses unsatisfied?

Cloud computing has become common in enterprise IT, and the hype around it remains as adoption soars. Research by IDG shows that 70 percent of enterprises currently use at least one cloud application, and in 2018, organizations with cloud-only IT infrastructure will become the majority.The global market for cloud services was worth $148 billion in 2016, according to Synergy Research Group, and it is growing by 25 percent annually. Amazon Web Services (AWS) alone reached $3.23 billion in revenue in the third quarter of 2016, while Microsoft Azure, the second-largest cloud provider, announced Thursday that revenue has nearly doubled in the past year, giving it an annual run rate of $14 billion.To read this article in full or to leave a comment, please click here

13% off LOGITECH G430 Dolby 7.1 Surround Sound Gaming Headset – Deal Alert

Powered by advanced Dolby technology, these 7.1 surround sound headphones position you in the center of an immersive 360-degree sound field. They let you hear every detail in every direction, just as the game developer intended. Enemy fire. Sirens. Your opponent’s footsteps. When you hear what you can’t see, you win. The headset averages 4 out of 5 stars from over 2,400 reviewers on Amazon (see reviews), where their typical list price of $45.75 has been reduced to $39.99. See the deal now on Amazon.To read this article in full or to leave a comment, please click here

1984 is the new Bible in the age of Trump

In the age of Trump, Orwell's book 1984 is becoming the new Bible: a religious text which few read, but which many claim supports their beliefs. A good demonstration is this CNN op-ed, in which the author describes Trump as being Orwellian, but mostly just because Trump is a Republican.

Trump's populist attacks against our (classically) liberal world order is indeed cause for concern. His assault on the truth is indeed a bit Orwellian. But it's op-eds like this one at CNN that are part of the problem.

While the author of the op-ed spends much time talking about his dogs ("Winston", "Julia"), and how much he hates Trump, he spends little time on the core thesis "Orwellianism". When he does, it's mostly about old political disagreements. For example, the op-ed calls Trump's cabinet appointees Orwellian simply because they are Republicans:
He has provided us with Betsy DeVos, a secretary of education nominee who is widely believed to oppose public education, and who promotes the truly Orwellian-sounding concept of "school choice," a plan that seems well-intentioned but which critics complain actually siphons much-needed funds from public to private education institutions.
Calling school-choice "Orwellian" is absurd. Republicans want to Continue reading

IDG Contributor Network: 3 ways to improve employee productivity

It’s the beginning of a new year, and like many of you, I find this is a great time to jump-start my resolve to accomplish more and better—whether that means de-cluttering my desk, better managing my inbox or taking a hike to re-focus.Of course, making a New Year’s resolution to improve productivity can be extremely beneficial in the workplace, as well. We all know employee productivity is essential for driving revenue, but the U.S. Department of Labor reported in August that labor productivity growth in the non-farm business sector is lower now than during any of the previous 10 business cycles.To read this article in full or to leave a comment, please click here

On the ‘net: Getting to know…

Russ White is on LinkedIn’s Infrastructure Engineering team, working on next-generation network design and architecture. He has worked in networking since the late 1980s, and has a long history contributing knowledge back to the networking community. A short list of his contributions to the field include being a published author, having published several papers in the Internet Protocol Journal, and serving in the past as a an organizational council co-chair for the Internet Society. He is also a member of the IETF Routing Area Directorate. —LinkedIn Engineering Blog

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Cisco amps-up Tetration platform with better security, reduced footprint, AWS cloud option

Cisco has rolled out a second release of its Tetration Analytics package with features such as a smaller footprint and a cloud service that will go a long way toward making the system alluring to more data center customers.Announced in June of last year, Cisco’s Tetration Analytics is a turnkey analytics package that gathers information from hardware and software sensors and analyzes the information using big data and machine learning.Tetration software sensors support Linux and Windows server hosts, while hardware sensors are embedded in Cisco network switch ASICS: Nexus 9200, Nexus 9300-EX and Nexus 9500-EX, to collect flow data at line rate from all the ports. Per Cisco once in place, the Tetration platform learns its enterprise environment and any policies IT has in place. From there it can learn which applications are dependent on each other throughout their data center and into the cloud. It can monitor server behavior patterns and group servers more efficiently.To read this article in full or to leave a comment, please click here

Cisco amps-up Tetration platform with better security, reduced footprint, AWS cloud option

Cisco has rolled out a second release of its Tetration Analytics package with features such as a smaller footprint and a cloud service that will go a long way toward making the system alluring to more data center customers.Announced in June of last year, Cisco’s Tetration Analytics is a turnkey analytics package that gathers information from hardware and software sensors and analyzes the information using big data and machine learning.Tetration software sensors support Linux and Windows server hosts, while hardware sensors are embedded in Cisco network switch ASICS: Nexus 9200, Nexus 9300-EX and Nexus 9500-EX, to collect flow data at line rate from all the ports. Per Cisco once in place, the Tetration platform learns its enterprise environment and any policies IT has in place. From there it can learn which applications are dependent on each other throughout their data center and into the cloud. It can monitor server behavior patterns and group servers more efficiently.To read this article in full or to leave a comment, please click here

Cisco amps-up Tetration platform with better security, reduced footprint, AWS cloud option

Cisco has rolled out a second release of its Tetration Analytics package with features such as a smaller footprint and a cloud service that will go a long way toward making the system alluring to more data center customers.Announced in June of last year, Cisco’s Tetration Analytics is a turnkey analytics package that gathers information from hardware and software sensors and analyzes the information using big data and machine learning.Tetration software sensors support Linux and Windows server hosts, while hardware sensors are embedded in Cisco network switch ASICS: Nexus 9200, Nexus 9300-EX and Nexus 9500-EX, to collect flow data at line rate from all the ports. Per Cisco once in place, the Tetration platform learns its enterprise environment and any policies IT has in place. From there it can learn which applications are dependent on each other throughout their data center and into the cloud. It can monitor server behavior patterns and group servers more efficiently.To read this article in full or to leave a comment, please click here

Facing visa issues, Indian outsourcers have strength in numbers

Indian outsourcing companies deliver services ranging from software coding to running business processes for customers in the U.S., Europe and other countries by taking advantage of low-cost, highly-skilled staff on their home turf.These companies also sometimes send people to deliver services onsite to customers.This time-tested model, backed by state-of-the-art facilities in India, could now be challenged by President Donald Trump's plan to bring jobs back to the U.S. North America accounted for 62 percent of fourth quarter revenue for Infosys, one of India’s key outsourcers. + ALSO ON NETWORK WORLD 5 tech battles facing Trump +To read this article in full or to leave a comment, please click here

How Facebook and Google are battling internet terrorism

WASHINGTON -- Social media heavyweights like Facebook and YouTube have been working with the U.S. government and other international partners as they look to take a more active role in combating terrorist propaganda and other extremist messages that have gained traction online.Officials from the popular social network and YouTube parent Google addressed the issue here at a recent tech policy conference, where they described efforts to go beyond simply removing extremist content, and actually engaging in counter-messaging programs to present alternative narratives to those advanced by groups like ISIS."We're really focused on utilizing the strength that comes out of YouTube to push back on these messages," said Alexandria Walden, Google's counsel on free expression and human rights. "We know the power of our platform, and so we know that the best way to counter messages of hate and violence is to promote messages that push back against that, that push back against the hate and extremism and xenophobia around the world."To read this article in full or to leave a comment, please click here

How Facebook and Google are battling internet terrorism

WASHINGTON -- Social media heavyweights like Facebook and YouTube have been working with the U.S. government and other international partners as they look to take a more active role in combating terrorist propaganda and other extremist messages that have gained traction online.Officials from the popular social network and YouTube parent Google addressed the issue here at a recent tech policy conference, where they described efforts to go beyond simply removing extremist content, and actually engaging in counter-messaging programs to present alternative narratives to those advanced by groups like ISIS."We're really focused on utilizing the strength that comes out of YouTube to push back on these messages," said Alexandria Walden, Google's counsel on free expression and human rights. "We know the power of our platform, and so we know that the best way to counter messages of hate and violence is to promote messages that push back against that, that push back against the hate and extremism and xenophobia around the world."To read this article in full or to leave a comment, please click here

In major AI win, Libratus beats four top poker pros

Marking a major step forward for artificial intelligence (AI), Libratus, an AI developed by Carnegie Mellon University (CMU), has resoundingly beaten four of the best heads-up no-limit Texas hold'em poker players in the world in a marathon, 20-day competition.After 20 days and a collective 120,000 hands played, Libratus closed out the competition Monday leading the pros by a collective $1,766,250 in chips."I'm just impressed with the quality of poker Libratus plays," pro player Jason Les, a specialist in heads-up no-limit Texas hold'em like the other three players, said at a press conference yesterday morning. "They made algorithms that play this game better than us. We make a living trying to find vulnerabilities in strategies. That's what we do every day when we play heads-up no-limit. We tried everything we could and it was just too strong."To read this article in full or to leave a comment, please click here

Net neutrality policy still up in the air under Trump

During his campaign, U.S. President Donald Trump called the Federal Communications Commission's net neutrality rules a "top-down power grab," leading many observers to expect a quick repeal.Trump's presidency is still in its infancy and it's unclear what his administration will do about the hot-button issue.It's difficult to determine what direction the unpredictable Trump administration will take, said Nathan White, senior legislative manager at Access Now, a digital rights group."The world is a very complicated place right now," he said. "I don't think we can get too far out front and predict the future."To read this article in full or to leave a comment, please click here

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