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Browsing Posts published in 2018

RVTools version 3.10

23 Febbraio 2018
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Reading Time: 3 minutesRVTools is a Windows .NET application, easy to be install which uses the VI API to collect and display informations about your vSphere virtual environments. RVTools supports ESX Server 3.5, VirtualCenter 2.5, ESX Server 3i, ESX Server 4i, VirtualCenter 4.x, ESX 4.x, VirtualCenter 5.0, VirtualCenter Appliance, ESX 5.0, VirtualCenter 5.5, ESX 5.5, VirtualCenter 6.0, ESX 6.0, VirtualCenter 6.5 and ESX 6.5, so all you can have (also legacy versions) in a datacenter. And it’s totally free. After 10 months from the last version, now it’s available the new Version 3.10 (February, 2018).

vProducts ,

Issues in adding an Hyper-V cluster to Veeam

21 Febbraio 2018
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Reading Time: 2 minutesIf you are planning to backup a Microsoft Hyper-V cluster with Veeam Backup & Replication you may have some issues during the configuration of your environment. Compared to VMware vSphere backup where are defined some Veeam proxy on Windows machines (virtual or physical), in a Hyper-V backup, each Hyper-V node act also as a Veeam proxy!

Microsoft, Veeam

#TFD16 – Tech Field Day 16

20 Febbraio 2018
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Reading Time: 3 minutesI’m very proud and honored to be invited again to the next Tech Field Day in Austin (TX). It will be the 16th edition of Tech Field Day (#TFD16), just one year after the 13th, still in Austin (and where I was also invited). I’m very excited for this event, that remains a must for all techie-people: be a delegate is a unique opportunity to meet interesting people, learn more on products and solutions and usually learn directly by the higher (technical) level of each company… All without biased discussion and always with a high technical […]

Events

VMware vCenter 6.5U1f per Meltdown e Spectre

19 Febbraio 2018
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Reading Time: 3 minutesVMware la rilasciato (ancora il 15 febbraio) una nuova versione della vCSA version: vCenter Server 6.5 U1f, che porta il build number a 7801515. In questa nuova versione della vCSA viene aggiornato il Photon contro due delle vulnerabilità relative alle problematiche Meltdown e Spectre. La nuova patch vCenter Server 6.5 U1f risolve le problematiche bounds-check bypass(Spectre-1, CVE-2017-5753) e rogue data cache load (Meltdown, CVE-2017-5754). Per la vulnerabilità branch target injection (Spectre-2, CVE-2017-5715) non c’è invece ancora nessuna patch. VMware ha aggiornato il documento VMSA-2018-0007, ma non ancora il VMSA-2018-0004.2 che riporta come ultima versione del vCenter il 6.5 is still 6.5U1e!

Sicurezza, VMware ,

New Meltdown and Spectre variants

19 Febbraio 2018
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Reading Time: 2 minutesWe are still far from a solution for the Meltdown and Spectre, considering the delay of the microcode releases and the complexity of the possible Spectre fixes… And now, some security researchers from NVIDIA and Princeton have discovered new variants of the Meltdown and Spectre flaws that may be more difficult to be fixed (but also to be exploited) than the originals.

vSecurity

Runecast Analyzer v1.7 with vSAN analysis

16 Febbraio 2018
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Reading Time: 3 minutesRunecast announces the new release version 1.7 of its proactive issue detection software, Runecast Analyzer. After the Meltdown and Spectre detection added in the previous releases, this latest version brings other interesting news. Runecast Analyzer is powered by the largest database of automated VMware KB articles which feed its internal archive of known issues. The interesting aspect of this tool is that it’s very easy and fast to be deployed and that it can work fully in offline mode!

vProducts ,

Analyze performance impact of Spectre and Meltdown patches

15 Febbraio 2018
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Reading Time: 6 minutesThe mitigations for Meltdown and Spectre issues have involved a combination of different type of fixes: some software based, such as Microsoft and Linux versions of the “kernel page table isolation” protection, but also fome hardware based, like the Intel’s microcode updates (part that is still missing in most cases). Both type of patches can cause performance overheads and have some kind of impact on your environment. But how can you estimate it (before apply the patches) and how can you measure it (when the patches have been applied)?

vSecurity ,
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