Loodse Steers Telco 5G Plans Toward Kubernetes

MacOS Catalina = Windows Vista

Remember the Windows version that was so security-focused that it broke everything, and needed a gazillion changes/updates/upgrades to get back to where you had a working computer? I think it was Vista, but maybe my memory is failing me. Anyway, Apple got its Vista moment with macOS Catalina.

I was stupid enough to upgrade just before New Year, and I’m still struggling with aftereffects and skeletons falling out of every cupboard I look at. I appreciate Apple trying to make their operating system ever more secure, but breaking stuff every time I upgrade it is borderline ridiculous.

Weekly Top Posts: 2020-01-19

1. Equinix CEO Talks Edge: Friend or Foe?
2. Money Moves: December 2019
3. LogicMonitor Gobbles Up AIOps Provider Unomaly
4. Google Absorbs AppSheet to Automate Code
5. Vodafone UK Activates 5G Multi-Operator RAN

QFX Upgrades – Check Host Version

I came across a situation where a software upgrade failed for some members in a Juniper QFX Virtual Chassis. There is a known issue with upgrades with a certain configuration + version combination, but I thought it didn’t apply to me. Turns out that the key was the host OS version, not the Junos VM version. Your host and guest versions can be out of sync with Juniper QFX 5K devices, and this can lead to confusing behavior, especially in a virtual chassis where host OS versions might vary.

Upgrade Failures - post-install error

When upgrading an old Juniper QFX5100, you might see these messages when running the upgrade:

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Error: jinstall-vjunos fails post-install
Error: jinstall-vjunos-14.1X53-D34-domestic-signed fails post-install

In my case, I saw it for some nodes in a Virtual Chassis. Some worked, some failed. KB31923 says that this error is due to this configuration:

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# show system internet-options
tcp-drop-synfin-set;
no-tcp-reset drop-tcp-with-syn-only;

Easy enough to change:

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# delete system internet-options
{master:0}[edit]
root# show |compare
[edit system]
  internet-options {
      tcp-drop-synfin-set;
     no-tcp-reset drop-tcp-with-syn-only;
 
{master:0}[edit]
root# commit

Continue reading

QFX Upgrades – Check Host Version

I came across a situation where a software upgrade failed for some members in a Juniper QFX Virtual Chassis. There is a known issue with upgrades with a certain configuration + version combination, but I thought it didn’t apply to me. Turns out that the key was the host OS version, not the Junos VM version. Your host and guest versions can be out of sync with Juniper QFX 5K devices, and this can lead to confusing behavior, especially in a virtual chassis where host OS versions might vary.

Upgrade Failures - post-install error

When upgrading an old Juniper QFX5100, you might see these messages when running the upgrade:

1
2
Error: jinstall-vjunos fails post-install
Error: jinstall-vjunos-14.1X53-D34-domestic-signed fails post-install

In my case, I saw it for some nodes in a Virtual Chassis. Some worked, some failed. KB31923 says that this error is due to this configuration:

1
2
3
# show system internet-options
tcp-drop-synfin-set;
no-tcp-reset drop-tcp-with-syn-only;

Easy enough to change:

1
2
3
4
5
6
7
8
9
10
# delete system internet-options
{master:0}[edit]
root# show |compare
[edit system]
  internet-options {
      tcp-drop-synfin-set;
     no-tcp-reset drop-tcp-with-syn-only;
 
{master:0}[edit]
root# commit

Continue reading

Worth Reading: Seven Deadly Sins of Predicting the Future of AI

The next time the sales system engineer working for your beloved $vendor drops by with a glitzy unicorn-based slide deck full of AI/ML goodies, read this article to get a slightly better understanding of where we are... from the perspective of someone who has actual experience doing that stuff.

Akraino Edge Stack Gains NFV, Mixed Reality Blueprints

Daily Roundup: DigitalOcean Drowns Jobs

Heavy Networking 498: Creating A Single Source Of Truth For Network Automation

For network automation you need a single source of truth that’s programmatically accessible, reflects intended state, and enables others to stand up infrastructure correctly without you getting in the middle of every provisioning request. Tim Schreyack joins us today to discuss network automation approaches using Ansible and Python, and of course, a single source of truth.

The post Heavy Networking 498: Creating A Single Source Of Truth For Network Automation appeared first on Packet Pushers.

Pacific Report to the Dynamic Coalition of Small Island Developing States in the Internet Economy

2019 was an active year for Pacific involvement in the Internet economy. What we have demonstrated is that originating from small island developing states (SIDS) in the Pacific does not restrict one’s opportunity to become a leader within large international organizations like ICANN, which manages and allocates domain names and IP addresses globally.

I was very honored that my colleagues from the ICANN At-Large Advisory Committee (ALAC) elected me to be their Chair for 2019, and again for the upcoming year. It has enabled me to use my organizational management skills which I did by distance learning from Rarotonga through Massey University in New Zealand.

My Cook Islands colleague, Pua Hunter, was also elected at the recent ICANN meeting as regional co-chair for the Government Advisory Committee (GAC). She is already the chair of GAC’s Underserved Regions Committee. Such leadership roles have also been achieved by others from SIDS in other Internet-related organizations, which goes to show that being from small islands does not mean that we will go unnoticed if we are prepared to be active in our commitment to improving our regions.

The Pacific Islands Chapter of the Internet Society (PICISOC) received a boost at the elections last Continue reading

IBM Secures $1.1B Contract With Banco Sabadell

Verizon Expands 4G LTE Small Cell Navy Base Footprint

Oracle Fixes 334 Bugs in Record-Breaking Critical Patch Update

DigitalOcean Slashes Jobs as Part of Restructure

JetBrains Mono: A free and open source typeface for developers

Looks Lush.

The post JetBrains Mono: A free and open source typeface for developers appeared first on EtherealMind.

Weekly Wrap: Nokia Cuts 180 Jobs With More to Come

Video: Fallacies of Distributed Computing

What better way to start How Networks Really Work webinar than with fallacies of distributed computing… and that’s exactly what I did in late August 2019.

How to back up Kubernetes and Docker

Yes, your container infrastructure needs some type of backup.  Kubernetes and Docker will not magically build themselves after a disaster. As discussed in a separate article, you don’t need to back up the running state of each container, but you will need to back up the configuration used to run and manage your containers.Here’s a quick reminder of what you’ll need to back up.[Get regularly scheduled insights by signing up for Network World newsletters.] Configuration and desired-state information The Dockerfiles used to build your images and all versions of those files The images created from the Dockerfile and used to run each container Kubernetes etcd & other - K8s databases that info on cluster state Deployments - YAML files describing each deployment Persistent data created or changed by containers Persistent volumes Databases Dockerfiles Docker containers are run from images, and images are built from Dockerfiles. A proper Docker configuration would first use some kind of repository such as GitHub as a version-control system for all Dockerfiles. Do not create ad hoc containers using ad hoc images built from ad hoc Dockerfiles. All Dockerfiles should be stored in a repository that allows you to pull historical Continue reading

McAfee Hires New CEO, Mulls Sale or IPO

Locking and unlocking accounts on Linux systems

If you are administering a Linux system, there will likely be times that you need to lock an account. Maybe someone is changing positions and their continued need for the account is under question; maybe there’s reason to believe that access to the account has been compromised. In any event, knowing how to lock an account and how to unlock it should it be needed again is something you need to be able to do.One important thing to keep in mind is that there are multiple ways to lock an account, and they don't all have the same effect. If the account user is accessing an account using public/private keys instead of a password, some commands you might use to block access to an account will not be effective.To read this article in full, please click here