The Network Collective: State of the Podcast

In this edition of the Network Collective, Eyvonne, Jordan, and I talk about where the ‘cast has been, and share some thoughts on where it is going. While we like technology as much as anyone else, the NC is really all about community.

In particular, we discuss the upcoming subscription service. We have a lot of new, exciting, material being recorded around the skills needed to be a better engineer exclusively for the subscription service. For instance, we’ve started a series on communication that does not take the standard line, but looks at how to communicate from the perspective of our experience in living on every possible side of the network engineering world, and developing and delivering every possible kind of content. And we have our first Q&A guest lined up, as well as a lot of fantastic material from Rachel Traylor already being recorded. This is going to be fantastic material, designed to push your career forward in a way that includes technology, but goes beyond technical skills, as well.

Red Hat OpenStack HCI Targets Telco Hybrid Cloud, 5G Deployments

The hyperconverged platform combines Red Hat OpenStack Platform 13 and Red Hat Ceph Storage 3 into one product.

Lavelle Networks’ Shyamal Kumar Discusses SD-WAN and the Principles of B4

In this interview with Lavelle Networks CEO Shyamal Kumar he shares his views on SD-WAN and how Lavelle has incorporated some of the principles of B4 to create a pure networking software solution.

Worth Reading: Increasing Bandwidth Demands

More fiber almost always solves bandwidth problems. When in doubt, lay more fiber. Fiber is king, there is no issue here with that assertion. In fact, the entire wireless spectrum can be contained in a single fiber optic cable. —Steve Daigle @Cisco

SSDs get bigger, while prices get smaller

With so much going on in the enterprise storage world, two bits of good news have come out — and it’s only Tuesday. Capacity is going up, and prices are coming down.According to the report from DRAMeXchange, the enterprise SSD market has been growing fast. It projects enterprise SSD sales to top 30 million units this year, up from fewer than 20 million units in 2016, and that rate of growth is expected to continue in the next three years.That’s despite tight supply for memory chips in the first quarter resulting in high average selling prices. For the second quarter, which we are in the midst of, DRAMeXchange expects a rebound in demand due to increased supply.To read this article in full, please click here

IDG Contributor Network: Build your technology layers on a cloud data foundation

The modern enterprise is comprised of a complex set of application stacks that span a disparate variety of virtual machines, physical servers, and proprietary storage hardware. Tentacles reach from headquarters, branch and remote offices, and offshore facilities around the world to technology stacks, SaaS providers and a multitude of applications.Over the years layer after layer of technology has accumulated, but rather than replace what came before, we simply built on top through a long series of incremental decisions and implementations. For many, mainframes were bolstered by a client-server layer that moved into data centers. Web technology added SaaS beyond our data centers before virtualization and server consolidation reorganized everything into more manageable chunks.To read this article in full, please click here

US Senate Makes Moves to Reinstate Net Neutrality, But Sustainable Rules Are Still Necessary

On May 16, the Senate passed a Congressional Review Act (CRA) to overturn the Federal Communication Commission’s (FCC) repeal of the 2015 Open Internet Order. A CRA allows Congress to review regulations issued by government agencies and overrule them with a majority vote. This vote, led by Senator Ed Markey (D-MA), is a step towards reinstating the FCC’s 2015 net neutrality rules.

The CRA will now move to the House, where it will require a majority vote in order to pass before heading to President Trump’s desk for his signature. If the CRA passes the House and gets the President’s signature, the 2015 Order will be reinstated.

Despite the CRA’s success in the Senate, it is unlikely that it will pass the House. In the Senate, every Democrat, two Independents, and three Republicans were needed to pass the CRA. In the House, Democrats hold just 193 of 435 seats and would need to be joined by 25 Republican or Independent Representatives to move the CRA to the President’s desk. Even then, the bill would face another major hurdle, as President Trump has previously expressed support for overturning the FCC’s Open Internet Order.

This is not to mention the court cases Continue reading

BiB 42 – Pica8 Releases PicaPilot and PicaFabric

Pica8 makes it first steps into network automation in a unique fashion with apps for its PicOS NOS. PicaFabric build a virtual switch chassis from an leaf/spine switch clister. The PicaPilot app builds vitual switch stack for fat tree L2 everywhere campus networks. All this is done with open hardware that you can mix & […]

The post BiB 42 – Pica8 Releases PicaPilot and PicaFabric appeared first on Packet Pushers.

Building the Digital Silk Road Together: Kyrgyz Chapter Proposes Ideas for Internet Development in Central Asia at Cambridge University Forum

Central Asia, the most remote landlocked mountainous region in the world, has some of the most expensive Internet in global comparison. The cost of it can easily reach 10-20% of average monthly salary. In absolute terms, the price of the Internet can reach triple digits for 1 Mbps.

Acknowledging such challenges and considering the benefits that the Internet can bring, Central Asian governments are embarking on national digitalization strategies. The Kyrgyz Republic has launched a national program on digital transformation “Taza Koom” (“Transparent Society”). The program focuses on building an open government and a digital economy.

When it comes to digital development strategies, cooperation among countries is a mutually beneficial approach. To foster such collaboration, Cambridge University initiated a common platform called Digital Dialogue for Central Asia. The first meeting of this platform Making Inroads into Digital Transformation took place in Astana in April 2018.

Speaking at the forum on behalf of the Internet Society’s Kyrgyz Chapter, I proposed to jointly build the Digital Silk Road guided by the slogan: “free movement of ideas, people, creativity, technology and innovation”. Central Asia, with its favourable geographical location in Eurasia, could become the connecting host and focal point – a Continue reading

Using logger on Linux

The logger command provides an easy way to add log files to /var/log/syslog -- from the command line, from scripts or from other files. In today's post, we'll take a look at how it works.How easy is easy? This easy. Just type logger <message> on the command line and your message will be added to the end of the /var/log/syslog file.$ logger comment to be added to log $ tail -1 /vvar/log/syslog May 21 18:02:16 butterfly shs: comment to be added to log Command output You can also add the output from commands by enclosing the commands in backticks.$ logger `who` $ tail -1 /var/log/syslog May 21 18:02:43 butterfly shs: shs pts/0 2018-05-21 15:57 (192.168.0.15) Content from a file The contents of text files can be added by using the -f option. Put the name of the file to be added to the log following the -f option as shown below.To read this article in full, please click here

How to use logger on Linux

The logger command provides an easy way to add log files to /var/log/syslog — from the command line, from scripts, or from other files. In today's post, we'll take a look at how it works.How easy is easy? This easy. Just type logger <message> on the command line and your message will be added to the end of the /var/log/syslog file.$ logger comment to be added to log $ tail -1 /vvar/log/syslog May 21 18:02:16 butterfly shs: comment to be added to log Command output You can also add the output from commands by enclosing the commands in backticks.$ logger `who` $ tail -1 /var/log/syslog May 21 18:02:43 butterfly shs: shs pts/0 2018-05-21 15:57 (192.168.0.15) [ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ] Content from a file The contents of text files can be added by using the -f option. Put the name of the file to be added to the log following the -f option as shown below.To read this article in full, please click here

22 essential security commands for Linux

There are many aspects to security on Linux systems – from setting up accounts to ensuring that legitimate users have no more privilege than they need to do their jobs. This is look at some of the most essential security commands for day-to-day work on Linux systems.To read this article in full, please click here(Insider Story)

22 essential Linux security commands

There are many aspects to security on Linux systems – from setting up accounts to ensuring that legitimate users have no more privilege than they need to do their jobs. This is look at some of the most essential security commands for day-to-day work on Linux systems.To read this article in full, please click here(Insider Story)

How deception technologies use camouflage to attract attackers | Salted Hash Ep 26

Host Steve Ragan reports from the show floor at RSA 2018, where talks with Chris Roberts, chief security architect at Acalvio Technologies, about the benefits and misconceptions of deception technologies.

22 essential security commands for Linux

There are many aspects to security on Linux systems – from setting up accounts to ensuring that legitimate users have no more privilege than they need to do their jobs. This is look at some of the most essential security commands for day-to-day work on Linux systems.sudo Running privileged commands with sudo  – instead of switching user to root  – is one essential good practice as it helps to ensure that you only use root privilege when needed and limits the impact of mistakes. Your access to the sudo command depends on settings in the /etc/sudoers and /etc/group files. [ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ] $ sudo adduser shark Adding user `shark' ... Adding new group `shark' (1007) ... Adding new user `shark' (1007) with group `shark' ... Creating home directory `/home/shark' ... Copying files from `/etc/skel' ... Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Changing the user information for shark Enter the new value, or press ENTER for the default Full Name []: shark Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] Y If you run sudo Continue reading

22 essential Linux security commands

There are many aspects to security on Linux systems – from setting up accounts to ensuring that legitimate users have no more privilege than they need to do their jobs. This is look at some of the most essential security commands for day-to-day work on Linux systems.sudo Running privileged commands with sudo  – instead of switching user to root  – is one essential good practice as it helps to ensure that you only use root privilege when needed and limits the impact of mistakes. Your access to the sudo command depends on settings in the /etc/sudoers and /etc/group files. [ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ] $ sudo adduser shark Adding user `shark' ... Adding new group `shark' (1007) ... Adding new user `shark' (1007) with group `shark' ... Creating home directory `/home/shark' ... Copying files from `/etc/skel' ... Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Changing the user information for shark Enter the new value, or press ENTER for the default Full Name []: shark Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] Y If you run sudo Continue reading

22 essential Linux security commands

There are many aspects to security on Linux systems – from setting up accounts to ensuring that legitimate users have no more privilege than they need to do their jobs. This is look at some of the most essential security commands for day-to-day work on Linux systems.sudo Running privileged commands with sudo  – instead of switching user to root  – is one essential good practice as it helps to ensure that you only use root privilege when needed and limits the impact of mistakes. Your access to the sudo command depends on settings in the /etc/sudoers and /etc/group files. [ Two-Minute Linux Tips: Learn how to master a host of Linux commands in these 2-minute video tutorials ] $ sudo adduser shark Adding user `shark' ... Adding new group `shark' (1007) ... Adding new user `shark' (1007) with group `shark' ... Creating home directory `/home/shark' ... Copying files from `/etc/skel' ... Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Changing the user information for shark Enter the new value, or press ENTER for the default Full Name []: shark Room Number []: Work Phone []: Home Phone []: Other []: Is the information correct? [Y/n] Y If you run sudo Continue reading

Dissecting IBGP+EBGP Junos Configuration

Networking engineers familiar with Junos love to tell me how easy it is to configure and operate IBGP EVPN overlay on top of EBGP IP underlay. Krzysztof Szarkowicz was kind enough to send me the (probably) simplest possible configuration (here’s another one by Alexander Grigorenko)

To learn more about EVPN technology and its use in data center fabrics, watch the EVPN Technical Deep Dive webinar.

OpenStack Members Argue About the Definition of ‘the Edge’

Many of the groups working on edge computing are associated with telco networking. But edge computing is definitely not limited to telco networks.

Rate Limiting: Delivering more rules, and greater control

With more and more platforms taking the necessary precautions against DDoS attacks like integrating DDoS mitigation services and increasing bandwidth at weak points, Layer 3 and 4 attacks are just not as effective anymore. For Cloudflare, we have fully automated Layer 3/4 based protections with our internal platform, Gatebot. In the last 6 months we have seen a large upward trend of Layer 7 based DDoS attacks. The key difference to these attacks is they are no longer focused on using huge payloads (volumetric attacks), but based on Requests per Second to exhaust server resources (CPU, Disk and Memory). On a regular basis we see attacks that are over 1 million requests per second. The graph below shows the number of Layer 7 attacks Cloudflare has monitored, which is trending up. On average seeing around 160 attacks a day, with some days spiking up to over 1000 attacks.

A year ago, Cloudflare released Rate Limiting and it is proving to be a hugely effective tool for customers to protect their web applications and APIs from all sorts of attacks, from “low and slow” DDoS attacks, through to bot-based attacks, such as credential stuffing and content scraping. We’re pleased about the Continue reading