Thursday, October 31, 2013

VMware Certified Associate – Data Center Virtualization , Cloud and Workforce Mobility

VMware Certified Associate – Data Center Virtualization , Cloud and Workforce Mobility

Recently VMware has launched 3 new certifications aimed at the foundation layer to demonstrate your fundamental understanding of VMware technology in three key areas, being Datacenter Virtualization, Cloud and Workforce Mobility.
The good news is, these exams can be registered for, and taken online, and if your willing to sit the exams before the end of October 2013 Jan 2014, you can use the below voucher to sit all 3 exams for FREE!
Voucher: VCA13ICS –  (Updated) Voucher/Promotion Code VCA13GKN
The self-paced e-learning class can be found here and taken for free.
The self-paced e-learning class can be found here and taken for free.
The self-paced e-learning class can be found here and taken for free.
Coming soon there will also be the VMware Certified Associate – Network Virtualization (VCA-NV) for those folk who are focusing on the emerging network virtualization path with NSX (formally Nicira).
So you have nothing to loose, study the free self-paced e-learning classes, register for the exams and sit them for free (until October 31st), in the comfort of your own home.
For anyone considering going down the VCP track, VCA is a great starting point and will help build your confidence to tackle the harder VCP (and beyond) exams.

Monday, October 28, 2013

Red Hat Enterprise Linux 6 technology capabilities and limits


Red Hat Enterprise Linux 6 technology capabilities and limits



Version 3
Version 4
Version 5
Version 6
Maximum logical CPUs [2]




x86
16
32
32
32
Itanium 2
8
256/512
256/1024
N/A[6]
x86_64
8
64/64
160/255
160/4096
POWER
8
64/128
128/128
128
System z
64 (z900)
64 (z10 EC)
101 (zEC12)
101 (zEC12)
Maximum memory[5]




x86
64GB[3]
64GB[3]
16GB[4]
16GB[4]
Itanium 2
128GB
2TB
2TB
N/A[6]
x86_64
128GB
256GB/1TB
1TB
3TB/64TB
POWER
64GB
128GB/1TB
512GB/1TB
2TB
System z
256GB (z900)
1.5TB (z10 EC)
3TB (z196)
3TB (z196)
Required minimums




x86
256MB
256MB
512MB minimum/
1 GB/logical CPU recommended
512MB minimum/
1 GB/logical CPU recommended
x86_64
256MB
256MB
512MB minimum/
1 GB/logical CPU recommended
1GB minimum/
1 GB/logical CPU recommended
Itanium 2
512MB
512MB
512MB/
1 GB/logical CPU recommended
N/A[6]
POWER
512MB
512MB
1GB minimum/
2GB recommended
2GB minimum/
2GB required per install
Minimum diskspace
800MB
800MB
1GB minimum/
5GB recommended
1GB minimum/
5GB recommended
File systems and storage limits




Maximum filesize (Ext3)
2TB
2TB
2TB
2TB
Maximum file system size (Ext3)
2TB
8TB
16TB
16TB
Maximum file size (Ext4)
--
--
16TB
16TB
Maximum file system size (Ext4)
--
--
16TB
16TB
Maximum file size (GFS)
2TB
16TB/8EB
16TB/8EB[7]
N/A
Maximum file system size (GFS)
2TB
16TB/8EB
16TB/8EB[7]
N/A
Maximum file size (GFS2)
--
--
100TB
100TB
Maximum file system size (GFS2)
--
--
100TB
100TB
Maximum file size (XFS)
--
--
100TB
100TB
Maximum file system size (XFS)
--
--
100TB
100TB
Maximum Boot LUN size (BIOS)
--
--
2TB
2TB
Maximum Boot LUN size (UEFI)
--
--
N/A
Any[10]
Maximum x86 per-process virtual address space
Approx. 4GB
Approx. 4GB
Approx. 3GB[4]
Approx. 3GB[4]
Maximum x86_64 per-process virtual address space

512GB
2TB
128TB
Kernel and OS features




Kernel foundation
Linux 2.4.21
Linux 2.6.9
Linux 2.6.18
2.6.32 - 2.6.34
Compiler/toolchain
GCC 3.2
GCC 3.4
GCC 4.1
GCC 4.4
Languages supported
10
15
19
22
NIAP/CC certified[11]
Yes (3+)
Yes (4+)
Yes (4+)
Under evaluation
Common Criteria certified KVM[11]
--
--
Under evaluation
Under evaluation
IPv6
--
--
Ready Logo Phase 2
Under evaluation
Compatibility libraries
V2.1
V2.1 and V3
V3 and V4
V4 and V5
FIPS certified[11]
--
--
Yes
Under evaluation
Common Operating Environment (COE) compliant
Yes
Yes
N/A
N/A
LSB-compliant
Yes - 1.3
Yes - 3
Yes - 3.1
Under evaluation
GB18030
No
Yes
Yes
Yes
Client environment




Desktop GUI
Gnome 2.2
Gnome 2.8
Gnome 2.16
Gnome 2.28
Graphics
XFree86
X.org
X.org 7.1.1
X.org 7.4
OpenOffice
V1.1
V1.1.2
V2.0.4[12]
V3.2[12]
Gnome Evolution
V1.4
V2.0
V2.8.0
V2.28
Default browser
Mozilla
Firefox
Firefox 1.5[12]
Firefox 3.6[12]