Friday, January 15, 2021

Equinix Submarine Cable Momentum is Accelerating

In the November 2020 issue of the SubTel Forum Magazine, I shared the global digital transformation journey we’ve had at Equinix with our submarine cable ecosystem partners. As submarine cable systems connect the world’s continents and carry approximately 99% of all international communications traffic, providing interconnection to those vital systems on our global platform is a critical component of our customers’ digital growth. Next week, as a Gold Sponsor of the Pacific Telecommunications Council (PTC) virtual conference, we’ll be participating in discussions with industry leaders around the new realities of building and interconnecting digital infrastructures including, subsea cable landing systems….

The post Equinix Submarine Cable Momentum is Accelerating appeared first on Interconnections - The Equinix Blog.



source https://blog.equinix.com/blog/2021/01/15/equinix-submarine-cable-momentum-is-accelerating/

Looking into Linux user logins with lslogins

One convenient way to list details about user logins on a Linux system is to use the lslogins command. You'll get a very useful and nicely formatted display that includes quite a few important details.

On my system and likely most others, user accounts will start with UID 1000. To list just these accounts rather than include all of the service accounts like daemon, mail and syslog, add the -u option as shown in the example below.

$ sudo lslogins -u
  UID USER                PROC PWD-LOCK PWD-DENY LAST-LOGIN GECOS
0 root 151 0 0 root
1000 shs 68 0 0 12:35 Sandra H-S 1001 nemo 0 0 0 2021-Jan05 Nemo Demo,,, 1002 dbell 0 0 1 Dory Bell 1003 shark 2 0 0 7:15 Sharon Hark 1004 tadpole 0 0 0 2020-Dec05 Ted Pole 1005 eel 0 0 0 2021-Jan11 Ellen McDay 1006 bugfarm 0 0 0 2021-Jan01 Bug Farm 1008 dorothy 0 0 1 Dorothy Reuben 1012 jadep 0 0 1 2021-Jan04 Jade Jones 1013 myself 0 0 0 2021-Jan12 My Self 1014 marym 0 0 0 2020-Mar20 Mary McShea 1017 gijoe 0 0 0 GI Joe 65534 nobody 0 0 1 nobody

What the lslogins command does is grab relevant information from system files such as /etc/passwd, /etc/shadow and /var/log/wtmp and lay it out in a format like that shown below. If you run this command without using sudo, you will not be able to retrieve all of the information shown. Non-privileged accounts won't have access to all of the files that are needed.

To read this article in full, please click here


Thanks to Sandra Henry-Stocker (see source)

Video: Multi-Layer Switching and Tunneling

After discussing the technology options one has when trying to get a packet across the network, we dived deep into two interesting topics:

  • How do you combine packet forwarding at multiple layers of OSI stack (multi-layer switching)?
  • What happens when you do layer-N forwarding over layer-M transport core where N <= M (example: IPv6 packets over IPv4 packets) aka tunneling?

You’ll find more details (including other hybrids like Loose Source Routing) in Multi-Layer Switching and Tunneling video.

The video is part of How Networks Really Work webinar and available with Free ipSpace.net Subscription.


source https://blog.ipspace.net/2021/01/video-multi-layer-switching-tunneling.html?utm_source=atom_feed

Thursday, January 14, 2021

Cisco coughs up another $1.9B to buy Acacia

After some saber-rattling, Cisco has sweetened the pot to acquire optical technology firm Acacia. The amended agreement calls for Cisco to pay $4.5 billion instead of the originally agreed upon $2.6 billion deal.

The companies said the amended acquisition should close by the end of the first calendar quarter of 2021, but it is still subject to closing conditions, including Acacia stockholder approval. Upon completion of the acquisition, Acacia CEO Raj Shanmugaraj and company employees will join Cisco's Optics business.

To read this article in full, please click here


Thanks to Michael Cooney (see source)

Cisco, Acacia make up with $4.5 billion pact

After some saber-rattling, Cisco has sweetened the pot to acquire optical technology firm Acacia. The amended agreement calls for Cisco to pay $4.5 billion instead of the originally agreed upon $2.6 billion deal.

The companies said the amended acquisition should close by the end of the first calendar quarter of 2021, but it is still subject to closing conditions, including Acacia stockholder approval. Upon completion of the acquisition, Acacia CEO Raj Shanmugaraj and company employees will join Cisco's Optics business.

To read this article in full, please click here


Thanks to Michael Cooney (see source)