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vmwebadm – SmartOS management via API | blog.SmartCore.net.au

Today I want to talk about SmartOS multi node central management.When building your own SmartOS Cloud 's it is imperative to have some kind of central management or "Head Node" that can talk to all your nodes and manage them.
Alban's insight:

Finally a nice open source tool to manage your smartos instance, enjoy ! 

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Oracle integrates DTrace debugger into its Linux distribution

Oracle integrates DTrace debugger into its Linux distribution | Solaris, Ilummo, Smartos & friend | Scoop.it
Oracle has fully integrated the long-awaited Linux DTrace debugging tool into the latest release of its Linux distribution, potentially allowing administrators and developers to pinpoint the cause of thorny performance issues with more accuracy.

Via Quan Nguyen
Alban's insight:

I am not a big fan of oracle linux but if dtrace work as well on linux than it does on solaris, this can be a great feature. Let's try it :)

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The Thread State Analysis Method

The Thread State Analysis Method | Solaris, Ilummo, Smartos & friend | Scoop.it
TSA Method in class (SmartOS)
There are two basic performance analysis methodologies you can use for most performance issues. The first is the resource-oriented USE Method, which provides a checklist for identifying common bottlenecks and errors.
Alban's insight:

For those dealing with performance issue. A page worth to read and understand. 

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Redhat Linux Certification Path for Linux Administrators

Redhat Linux Certification Path for Linux Administrators | Solaris, Ilummo, Smartos & friend | Scoop.it
Redhat Linux is emerging in the mid-range server market day by day.
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How to Break/Recover Solaris root Password ?

How to Break/Recover Solaris root Password ? | Solaris, Ilummo, Smartos & friend | Scoop.it
Every organization may have their own way to secure the root passwords for their servers.
Alban's insight:

This may save your evening or saturday  :)

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Linux-Containers — Part 1: Overview (OTN Garage)

Linux-Containers — Part 1: Overview (OTN Garage) | Solaris, Ilummo, Smartos & friend | Scoop.it
Blogs.Oracle.Com - OTN Garage
Alban's insight:

If you don't know where to start with LXC...this place is for you ! 

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Less known Solaris 11.1 features: rsyslog

Less known Solaris 11.1 features: rsyslog | Solaris, Ilummo, Smartos & friend | Scoop.it
Solaris 11.1 has now the rsyslog on board, an extended variant of the normal syslog. However the ORACLE SOLARIS 11.1—WHAT’S NEW is mistakable in this regard.
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How To Make Flame Graphs from CrowdProcess

How To Make Flame Graphs from CrowdProcess | Solaris, Ilummo, Smartos & friend | Scoop.it
How To Make Flame Graphs
Alban's insight:

Now you too can make flame graph :)

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LZ4 Compression - illumos - illumos wiki

LZ4 Compression - illumos - illumos wiki | Solaris, Ilummo, Smartos & friend | Scoop.it
@vsbuffalo Let the OS do it. ZFS LZ4 compression in #illumos #OmniOS #SmartOS #FreeBSD http://t.co/l1kFL89qKW
http://t.co/xvwJ8jpiH4
Alban's insight:

LZA  50% faster compression over LZJB and 80% faster on decompression.

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Less^H^H^H^HUnknown features of Solaris 11: Virtual Consoles

Less^H^H^H^HUnknown features of Solaris 11: Virtual Consoles | Solaris, Ilummo, Smartos & friend | Scoop.it
A customer looked at me really puzzled when doing this.When we were working at setting up a system at the console, i needed more than one command line.
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Linux-Containers — Part 1: Overview

Linux-Containers — Part 1: Overview | Solaris, Ilummo, Smartos & friend | Scoop.it
"Containers" by Phil Parker (CC BY 2.0).
Linux Containers (LXC)
provide a means to isolate individual services or
applications as well as of a complete Linux operating system from other
services running on the same host.
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SmartOS Series: A SmartOS Primer

SmartOS Series: A SmartOS Primer | Solaris, Ilummo, Smartos & friend | Scoop.it
Some time back we introduced a piece of work that we are working on: OpenStack on SmartOS. Today we start a new blog post series to dig into SmartOS and its features. We'll start with a quick intro...

Via Sergey Gitinsky
Alban's insight:

Very fast path to get smartos running on your test platform and check some of this os feature ! 

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Twitter / bytemeorg: @brendangregg annotates system ...

Twitter / bytemeorg: @brendangregg annotates system ... | Solaris, Ilummo, Smartos & friend | Scoop.it
RT @bytemeorg: @brendangregg annotates system components with #DTrace probes. #OSCON http://t.co/LAhE9DWhbe
Alban's insight:

If you have to keep only one things on Bredan Gregg talk at OSCON, keep this !

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How to Get Started Using DTrace on Oracle Linux

How to Get Started Using DTrace on Oracle Linux (@lproven not to mention #DTrace support http://t.co/GOXJDoPY96 ported to Linux from Solaris...
Alban's insight:

Everything is in the title !

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SmartOS Series: Virtualisation

SmartOS Series: Virtualisation | Solaris, Ilummo, Smartos & friend | Scoop.it
Last week we started a new blog post series on SmartOS. Today we continue in this series and explore in details the virtualisation aspects of SmartOS. SmartOS offers two types of OS virtualisation:...
Alban's insight:

for those who don't know smartOS, this is just a little summary of why smartOS is good for your cloud ! 

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Solaris 11 Security presentation

Solaris 11 Security presentation | Solaris, Ilummo, Smartos & friend | Scoop.it
The mails with the slides for the attendees of the Oracle Breakfasts should be out by now, so i want to link people to the presentation i've held at the breakfast.
Alban's insight:

Well some slide lake some information (probably given during the presentation) but you can try to find the missing details yourself, that could be fun. Also, this will show you some of the options you have to secure your solaris 11 box. 

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Should You Consolidate Your Servers Onto Oracle SuperCluster?

Should You Consolidate Your Servers Onto Oracle SuperCluster? | Solaris, Ilummo, Smartos & friend | Scoop.it
"Are you planning to consolidate a server running a business-critical application that you want to update with future releases over upcoming years, or are you trying to get rid of an old server running a legacy application that will not be updated...
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Oracle ports DTrace to Oracle Linux

Oracle ports DTrace to Oracle Linux | Solaris, Ilummo, Smartos & friend | Scoop.it
Oracle has ported one of its most coveted Solaris tools to the Linux platform, a real-time debugging tool called DTrace, though the company has made it officially available only for its own Oracle Linux distribution.
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Twitter / nunogt: "I've been busy decorating ...

Twitter / nunogt: "I've been busy decorating ... | Solaris, Ilummo, Smartos & friend | Scoop.it
RT @nunogt: "I've been busy decorating this diagram with some of the dtrace scripts that I use" -- @brendangregg http://t.co/3WyIuQODs9
Alban's insight:

A very cool diagram for thos who use dtrace. 

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Less known Solaris 11.1 features: A user in 1024 groups and a workaround for a 25 year old problem

Less known Solaris 11.1 features: A user in 1024 groups and a workaround for a 25 year old problem | Solaris, Ilummo, Smartos & friend | Scoop.it
For a long time the maximum number of groups a user could belong to was 16, albeit there was a way to get 32.
Alban's insight:

For those who want more than 1024 group for a user (but why would you do that hein ?)... 

set ngroups_max=1024
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Beta 1 of Unbreakable Enterprise Kernel Release 3 now available (Oracle's Linux Blog)

Blogs.Oracle.Com - Oracle's Linux Blog (RT @Djelibeybi: For all you Oracle Linux fans out there, we’ve just released Beta 1 of UEK3: http://t.co/9XZGtR5LBz - based on 3.8.13 with …)...

Alban's insight:

And here we go for beta one of UEK ! 

 

What's new : 

 

- Dtrace 

- Btrfs

- LXC 

- Improve ext4 fielsystem 

- TCP fas open (TFO) 

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OmniOS PXE Server for SmartOS — Concise Software - Alain O'Dea

It is useful to have a variety of options for host operating systems to run fundamental network services like DHCP and PXE booting. OmniOS is well-suited to that task and is very similar to SmartOS which makes it easy to transition between them.
Alban's insight:

A good start to build a PXE os on omniOS for all your smartos instance.

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Hands-On Labs for Oracle VM

Hands-On Labs for Oracle VM | Solaris, Ilummo, Smartos & friend | Scoop.it
Our last virtual sysadmin day was held on July 15. If you missed it, you can still watch the video recordings of the lab sessions on the OTN Garage (aka "Oracle BigAdmin") channel on YouTube.
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How to Get Started Using DTrace on Oracle Linux

How to Get Started Using DTrace on Oracle Linux | Solaris, Ilummo, Smartos & friend | Scoop.it
I. hate. slow. code. (Image removed from blog.)
We all hate slow code. Bunch of princesses is what we've become. During the American Civil War, they had to deliver their text messages by horseback!
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Brendan's blog » Activity of the ZFS ARC

Brendan's blog » Activity of the ZFS ARC | Solaris, Ilummo, Smartos & friend | Scoop.it
RT @mattvogt: Been spending a lot of time on this post recently: Activity of the ZFS ARC http://t.co/VPQ6g2jFiH /cc @brendangregg

Via Sergey Gitinsky
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