kafka + Enabling High Performance Data Transfers

when we look on kafka best practice we see the following details: Max socket buffer size , can be increased to enable high-performance data transfer. More details are here http://www.psc.edu/index.php/networking/641-tcp-tune so – Max socket buffer size is important subject about kafka we also saw this article https://www.cyberciti.biz/faq/linux-tcp-tuning/ this article suggested the following Turn on window…

What is/are the difference and relationship between Windows features, FODs and capabilities in DISM context?

I’m trying to learn DISM and its Powershell equivalent. And learn features can be added via Server Manager, DISM & Powershell. From : https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/dism-capabilities-package-servicing-command-line-options “Capabilities are a Windows package type allows you to request services like .NET or languages without specifying the version. Use DISM to search multiple sources like Windows Update or your corporate…

TGW to Outbound internet VPC with NAT gateways

With ref to the reference architecture on having multiple VPCs forwarding internet request to TGW which then forward to the Outbound VPC (see https://aws.amazon.com/blogs/networking-and-content-delivery/creating-a-single-internet-exit-point-from-multiple-vpcs-using-aws-transit-gateway/), there are multiple AZ in the outbound VPC and within each AZ, there are respective subnets and NAT gateways. My question is how the TGW know which AZ (Egress-privateAZ1 / Egress-private…

attempting to restart mysql after a fresh reinstall

I’m attempting to restart mysql using: sudo service mysql start I had followed some steps to reset the password and it didn’t work neither am I able to start it again. The error message: Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Thu 2020-01-16 01:59:30 UTC; 13s ago Process: 9234 ExecStart=/usr/sbin/mysqld…

Does HAProxy support multiple subdomains within one server?

I currently have a structure with an Apache 2 server with multiple subdomains. As the example below: <VirtualHost *:80> ServerName www.example.com ServerAlias example.com DocumentRoot /var/www/main </VirtualHost> <VirtualHost *:80> ServerName subdomain-1.example.com ServerAlias subdomain-1.example.com DocumentRoot /var/www/sbd1 </VirtualHost> <VirtualHost *:80> ServerName subdomain-2.example.com ServerAlias subdomain-2.example.com DocumentRoot /var/www/sbd2 </VirtualHost> I am considering duplicating this server and just creating a new…