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website : https://kwikserver.com/

 

sql server – Scale out methods with high availability

We have a two site AlwaysOn Cluster and looking to do a High Available multi-site write solution. We have looked at Replication, Sharding, and SQL Elastic options for having multi-site write for a single application. End goal is to have N number of sites that can host the application closest to the user requesting the service, with high availability. We have scaled up, now we want to scale out.

It looks like sharding might be the best option. Does anyone have solid experience with implementing a solution like this in MS SQL?

email server – Dovecot (2.2.36.4) ABI compatibility situation

So it goes something like this. I was rolling some spamassassin microupdate, during which (sweet jesus), dovecot service stpoped working. I checked for errors and goes like this:

doveconf: Error: Couldn’t load plugin
/usr/lib/dovecot/modules/settings/libmanagesieve_login_settings.so:
dlopen() failed:
/usr/lib/dovecot/modules/settings/libmanagesieve_login_settings.so:
undefined symbol: str_append_c doveconf: Error: Couldn’t load plugin
/usr/lib/dovecot/modules/settings/libmanagesieve_settings.so: Module
is for different ABI version 2.2.ABIv13(2.2.13) (we have
2.2.ABIv36(2.2.36.4)) doveconf: Fatal: Error in configuration file /etc/dovecot/conf.d/90-plesk-sieve.conf line 30: Unknown setting:
managesieve_logout_format Error: Couldn’t load plugin
/usr/lib/dovecot/modules/settings/libmanagesieve_login_settings.so:
dlopen() failed: /usr/lib/dovecot/modules/settings/lib…symbol:
str_append_c doveconf: Error: Couldn’t load plugin
/usr/lib/dovecot/modules/settings/libmanagesieve_settings.so: Module
is for different ABI version 2.2.ABIv13(2.2.13) (we have
2.2.ABIv36(2.2.36.4)) mail.xx.xx dovecot(20228): doveconf: Fatal: Error in configuration file /etc/dovecot/conf.d/90-plesk-sieve.conf
line 30: Unknown setting: managesieve_logout_format mail.xx.xx
dovecot(20228): failed! dovecot.service: control process exited,
code=exited status=1 Failed to start LSB: Dovecot init script. Unit
dovecot.service entered failed state. Hint: Some lines were
ellipsized, use -l to show in full

.

Now, by the looks of it (I`m no linux wizard. Looking forward to becoming one, but not yet), that the Dovecot module was designed for different ABI version of the file (looks like that abi file was somehow replaces during update).

I`ve tried looking on internet for those file versions, search halted (official dovecot site link to that location goes 404 on me). So it looks like dovecot is not happy with those .io files not matching the version.

Mail server is down almost three hours. Anyone has any idea where to look? I don’t necessarily look for answers and I am willing to figure it out on my own, but guidance is a must here. So any advice would be more than welcome.

Also ,that server has not been update for some time now so any update is out of the question because I`m afraid how it will affect production applications or any other dependencies that may be.

Thank you!

Benefits of a Server When You Use Dedicated Hosting | Proxies123.com

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Online presence is not only beneficial for growing a small business but it is absolutely essential for any company. When they properly maintain their business website, it means they are accessible to a wide range of audiences from all over the world and able to market the products or services effortlessly. Many business owners try to reduce their hosting expenses by sharing the benefits of a server with hundreds or even thousands of other websites. But actually, they are making their decisions based on short-term business planning.

Those who want to take their business to the next level should build a solid online presence with server dedication. If you are facing the limitations of shared hosting and want to get rid of then migrate your website to a managed dedicated server.

Full Article Source: https://www.temok.com/blog/benefits-of-a-server/

 

DediPath – LEB Exclusive – OpenVZ + KVM + Dedicated Server Deals 25% OFF! Hosted in Los Angeles and NJ!

DediPath - OpenVZ VPS, KVM VPS and Dedicated ServersDediPath recently submitted a new exclusive deal, offering 25% off for LowEndBox readers, on their lineup of OpenVZ VPS, KVM VPS and Dedicated Servers hosted from both their Los Angeles and NJ datacenter locations. This is a pretty good discount on some already very aggressively priced services, so we’re excited to bring these deals to you. DediPath was last featured in July 2019 and has been in business for a number of years. We love that these plans come with free DDOS protection and Unmetered Bandwidth, both two very unique perks in this price range.

They are a registered company in the state of Delaware and their WHOIS is public. You can find their ToS/Legal docs on their website. They accept PayPal, Credit Cards, BitCoin and AliPay as payment methods.

In their own words:

“DediPath was established in 2017. DediPath is a provider of infrastructure as a service (IaaS) offering dedicated servers, colocation, VPS and IP transit services in Los Angeles, CA, Secaucus, NJ, and Las Vegas, Nevada. DediPath offers 24x7x365 technical support as well as a 99.99% uptime SLA. Our top priorities are service uptime and customer satisfaction.”

OpenVZ Plans

  • 512MB RAM
  • 1 x Cores
  • 10GB SSD Space
  • 1 x IPv4
  • 1000Mbps Unmetered Bandwidth
  • Free DDoS Protection
  • OpenVZ Virtualization
  • $20.00/year
  • LEB Price: $15.00/year
  • (ORDER)
  • 1GB RAM
  • 2 x Cores
  • 30GB SSD Space
  • 2 x IPv4
  • 1000Mbps Unmetered Bandwidth
  • Free DDoS Protection
  • OpenVZ Virtualization
  • $3.50/month
  • LEB Price: $2.63/month
  • (ORDER)
  • 2GB RAM
  • 2 x Cores
  • 600GB SSD Space
  • 2 x IPv4
  • 1000Mbps Unmetered Bandwidth
  • Free DDoS Protection
  • OpenVZ Virtualization
  • $6.50/month
  • LEB Price: $4.88/month
  • (ORDER)

KVM Plans & Dedicated Server Deal

  • 1GB RAM
  • 1 x Cores
  • 10GB SSD Space
  • 1 x IPv4
  • 1000Mbps Unmetered Bandwidth
  • Free DDoS Protection
  • KVM Virtualization
  • $6.50/month
  • LEB Price: $4.88/month
  • (ORDER)
  • 2GB RAM
  • 2 x Cores
  • 20GB SSD Space
  • 1 x IPv4
  • 1000Mbps Unmetered Bandwidth
  • Free DDoS Protection
  • KVM Virtualization
  • $10.50/month
  • LEB Price: $7.88/month
  • (ORDER)
  • Intel Xeon E3-1240 v2

  • 16GB RAM

  • 2TB SATA

  • /29 IPv4 + /64 IPv6

  • 1Gbps Unmetered Bandwidth

  • Free 20Gbps DDoS Protection

  • IPMI: Yes

  • $96.00/month

  • LEB PRICE: $65.00/month

  • Promo Code: leb124065

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Network information, including carrier blends, test files and more available by reading more.

Please leave your thoughts and feedback in the comments below!

Los Angeles
(In-Blend)- AT&T, Comcast, Cogent, NTT, Verizon, Zayo, Telia, ChinaNet, ChinaMobile
(Out-Of-Blend – On-Site MMR) – Time Warner Cable, Time Warner Business
DDoS Protection – OnDemand – AlwaysON

Test IPv4: 194.180.179.242
Test file: http://lg.dc04.dedicontrol.com/10000MB.test
Looking glass: http://lg.dc04.dedicontrol.com/

New York City Metro
(In-Blend)- AT&T, Comcast, Cogent, NTT, Verizon, Zayo, Telia, CenturyLink
(Out-Of-Blend – On-Site MMR) – Lightower, Sunesys, Fibertech Networks, Cross River Fiber, Verizon Business
DDoS Protection – OnDemand – AlwaysON

Test IPv4: 91.132.1.132
Test file: http://lg.dc03.dedicontrol.com/1000MB.test
Looking glass: http://lg.dc03.dedicontrol.com/

Hardware Information:
– 2x Intel Xeon E5-2660 or better
– Minimum of 128GB RAM
– 8x 2TB SSD
– Hardware RAID10
– 1Gbps uplink

Jon Biloh

I’m Jon Biloh and I own LowEndBox and LowEndTalk. I’ve spent my nearly 20 year career in IT building companies and now I’m excited to focus on building and enhancing the community at LowEndBox and LowEndTalk.

wondering about the colocation server

Never try colocation before, but something is wondering:

1, how about the colocation server ? Buy it online than send to colocation compa… | Read the rest of https://www.webhostingtalk.com/showthread.php?t=1817399&goto=newpost

mx – I want to use email service of Zoho Mail with hosting server Hostinger for my custom domain. How do I do it?

For a small project of mine, for which really don’t want to invest any cent, I want to host email services with my custom domain (let’s assume www.example.com) l already own.

The hosting service l’m using (please don’t judge) is Hostinger and the free mail service l want to avail is Zoho Mail.

I have registered with Zoho Mail, proven that I own the custom domain “example.com and have even created a user email account on the same domain contact@example.com.

So the thing is, I can send emails from Zoho Mail to other email accounts, but can’t receive any. Everywhere I read, they tell me to configure the MX records in the cPanel. I’ve tried that but it ain’t working.

What should do? Thanks!

sql server – SSIS Import .csv

I’m new to SSIS and I’ve got an existing SSIS task which is importing a CSV file that has some unusual formatting.

The CSV has formatting like this:

TaskID, TaskName
ABC,Test Entry ABCD,Test’s Complete

The format of the file needs to change to:

TaskID, TaskName
ABC,Test Entry ABCD,”Test’s Complete”

Looking for some general advice as to how that change can be made, I don’t see anything obvious in the connection Manager to do this.

Thanks in advance.

GPU Partition with Hyper-V on Server 2019

A bit of a back story, my county is doing digital learning for the upcoming school year. My kids (3 of them) will all be doing digital learning at home, so they will need a computer. I don’t trust my kids on a computer (they’re 7 and under) to use it without breaking it (physical or software speaking). So, I got a used Dell R720 with Dual Xeon E5-2660, 128GB DDR3 ECC RAM, 2x1TB SSD (RAID 1). My thought was to set up thin clients for the kids so that they could connect to a VM on this recently acquired server. I got everything configured with Windows Remote Desktop Services, got them an AiO Wyse Thin Client and everything works! Part of their schooling will be playing some little web-based games, Zoom Calls, watching online videos, etc. Nothing crazy, so I’ve been testing everything out. I’ve gotten the USB Redirection working so their web cameras, keyboard, mouse, headphones, etc. all work. I tested Zoom calls and it seems passable. However, when I tried playing some video content, it was a little jittery. This was less than ideal.

So, I did some research and found RemoteFX. I had a modular power supply laying around, and it just so happens that the PCI-E cable fits on to the riser card on the Dell R720. So, I installed a NVidia GTX 1060 on there and installed the drivers. It worked! (Keep this in mind as I’ve also tried all of these steps with an AMD RX 580 with the same results)

I enabled the RemoteFX adapter on the VMs via PowerShell. I also allocated 1024MB of Video Memory to each of the 3 virtual machines and then booted them. I did have to do some group policy junk to get everything working properly, (one that specially comes to mind is the WDDM disabling) but afterwards, it worked! The VM sees the RemoteFX Graphics Adapter and testing out the VM in RDP and on the Thin Client with a game (angry birds), I immediately noticed ~25% better performance of the game. However, I then tried playing a 1080p video on youtube and the results were significantly worse than with the default graphics adapter. So, this route seems like a bust. I also then read that this method will soon be disabled with an upcoming patch due to some security vulnerabilities.

My second attempt and thought would be to purchase 3 single slot width junky video cards that I could then directly assign to each virtual machine. It’s not ideal, but if it would solve my main issue of video playback, then it would be worth it. So, I tried this again with both graphics cards. Each time starting the VM, it said that the device was in use by another VM. I suppose that it is important to note that I do not have anything plugged into the display output ports on the GPU, just the onboard graphics adapter.

Start-VM : 'kids1' failed to start.
Virtual Pci Express Port (Instance ID 861E008E-F6E8-457B-97E3-6BC24156D6E1): Failed to Power on with Error 'Element not found.'.
'kids1' failed to start. (Virtual machine ID 2983DA7A-A4F6-48E9-80AE-F13FCDD06C2E)
'kids1' Virtual Pci Express Port (Instance ID 861E008E-F6E8-457B-97E3-6BC24156D6E1): Failed to Power on with Error 'Element not found.' (0x80070490). (Virtual machine ID 2983DA7A-A4F6-48E9-80AE-F13FCDD06C2E)
Could not allocate the PCI Express device with the Plug and Play Device Instance path 'PCIPVEN_1002&DEV_67DF&SUBSYS_2378148C&REV_E74&310D03E2&0&0010' because it is already in use by another VM.
At line:1 char:1
+ Start-VM $vm
+ ~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (:) (Start-VM), VirtualizationException
    + FullyQualifiedErrorId : ObjectNotFound,Microsoft.HyperV.PowerShell.Commands.StartVM

So, the other option I came across, and to the point of this whole thread, is GPU Partitioning. Keep in mind that I’ve tried this with both of my graphics cards; the 1060 and the RX 580. So, I ran Get-VMPartitionableGpu to see if anything was listed. And I got one result. From what I understand, this means that my graphics card is capable of GPU Partitioning.

Name                    : \?PCI#VEN_1002&DEV_67DF&SUBSYS_2378148C&REV_E7#4&310d03e2&0&0010#{064092b3-625e-43bf-9eb5-dc845897dd59}GPUPARAV
ValidPartitionCounts    : {32}
PartitionCount          : 32
TotalVRAM               : 1000000000
AvailableVRAM           : 1000000000
MinPartitionVRAM        : 0
MaxPartitionVRAM        : 1000000000
OptimalPartitionVRAM    : 1000000000
TotalEncode             : 18446744073709551615
AvailableEncode         : 18446744073709551615
MinPartitionEncode      : 0
MaxPartitionEncode      : 18446744073709551615
OptimalPartitionEncode  : 18446744073709551615
TotalDecode             : 1000000000
AvailableDecode         : 1000000000
MinPartitionDecode      : 0
MaxPartitionDecode      : 1000000000
OptimalPartitionDecode  : 1000000000
TotalCompute            : 1000000000
AvailableCompute        : 1000000000
MinPartitionCompute     : 0
MaxPartitionCompute     : 1000000000
OptimalPartitionCompute : 1000000000
CimSession              : CimSession: .
ComputerName            : KIRDS
IsDeleted               : False

So, I then try to apply it to one of the virtual machines and tried a few different options.

$vm = "kids1"
$gpup = Get-VMPartitionableGpu
Remove-VMGpuPartitionAdapter -VMName $vm
Set-VMPartitionableGpu -Name $gpup.Name -PartitionCount 1
Set-VM -GuestControlledCacheTypes $true -VMName $vm
Set-VM -LowMemoryMappedIoSpace 3GB -VMName $vm
Set-VM -HighMemoryMappedIoSpace 32GB -VMName $vm
Add-VMGpuPartitionAdapter -VMName $vm
Start-VM -Name $vm

And I also tried…

$vm = "kids1"
Remove-VMGpuPartitionAdapter -VMName $vm
Add-VMGpuPartitionAdapter -VMName $vm
Set-VMGpuPartitionAdapter -VMName $vm -MinPartitionVRAM 1
Set-VMGpuPartitionAdapter -VMName $vm -MaxPartitionVRAM 11
Set-VMGpuPartitionAdapter -VMName $vm -OptimalPartitionVRAM 10
Set-VMGpuPartitionAdapter -VMName $vm -MinPartitionEncode 1
Set-VMGpuPartitionAdapter -VMName $vm -MaxPartitionEncode 11
Set-VMGpuPartitionAdapter -VMName $vm -OptimalPartitionEncode 10
Set-VMGpuPartitionAdapter -VMName $vm -MinPartitionDecode 1
Set-VMGpuPartitionAdapter -VMName $vm -MaxPartitionDecode 11
Set-VMGpuPartitionAdapter -VMName $vm -OptimalPartitionDecode 10
Set-VMGpuPartitionAdapter -VMName $vm -MinPartitionCompute 1
Set-VMGpuPartitionAdapter -VMName $vm -MaxPartitionCompute 11
Set-VMGpuPartitionAdapter -VMName $vm -OptimalPartitionCompute 10
Set-VM -GuestControlledCacheTypes $true -VMName $vm
Set-VM -LowMemoryMappedIoSpace 1Gb -VMName $vm
Set-VM –HighMemoryMappedIoSpace 32GB –VMName $vm
Start-VM -Name $vm

However, the virtual machine would then not boot. I tried booting it within Hyper-V and still had the same error below.

Start-VM : 'kids1' failed to start.
GPU Partition (Instance ID 5DAF5FF5-F91A-4E94-A276-00244C4EC8A3): Failed to Power on with Error 'Insufficient system resources exist to complete the requested service.'.
'kids1' failed to start. (Virtual machine ID 4FBA092F-E711-48C8-BB28-47363D8FB03F)
'kids1' GPU Partition (Instance ID 5DAF5FF5-F91A-4E94-A276-00244C4EC8A3): Failed to Power on with Error 'Insufficient system resources exist to complete the requested service.' (0x800705AA). (Virtual machine ID 4FBA092F-E711-48C8-BB28-47363D8FB03F)
At line:1 char:1
+ Start-VM -Name $vm
+ ~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) (Start-VM), VirtualizationException
    + FullyQualifiedErrorId : Unspecified,Microsoft.HyperV.PowerShell.Commands.StartVM

I am hoping to get smooth video playback. That’s my main goal and what I would like to achieve. Is there anything else I could try? Do I need a different graphics card like a NVidia GRID? Thanks in advanced!

Some resources for the commands that I found on RemoteFX and GPU Partitioning

HyperV “GPU RemoteFX 3D Video adapter” gone in Windows 2019 Hyper V

https://forum.cfx.re/t/running-fivem-in-a-hyper-v-vm-with-full-gpu-performance-for-testing-gpu-partitioning/1281205

sql server – Grouping by Semantics

I am trying to find ways to group articles based on their semantics, and probably only target the articles’ title. For example, in a table I have news articles for multiple subjects, I want to get the top 10 articles grouped by subject.

Azure cognitive search provides semantic search, but a search keyword needs to be provided. In my case, I want to list all existing different article subjects, which means the engine should already know about their interrelation.

If I have eight articles related to police violence and two about defrosting chicken, then two articles should be returned.

Could anyone guide me through this? Does it even exist?