How to properly generate self signed certificates for use in Nginx

I used openssl to generate the following certificates: openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout server.key -out server.crt -subj “/C=IT/ST=Mi/L=Milan/O=MyOrg/OU=RnD/CN=localhost/[email protected]” openssl rsa -in server.key -out server.insicure.key cat server.insicure.key > certificate.pem cat server.crt >> certificate.pem I then setup nginx to client-secure a site: server { listen 80 ssl; root /var/www/site; index index.html; ssl_certificate /root/server.crt;…

Master ipv4 CIDR configuration for private cluster in GCP

I’m trying to create a private cluster in GCP as per the steps mentioned here: https://cloud.google.com/kubernetes-engine/docs/how-to/private-clusters As per this, the ipv4 address for the master node is set to 172.16.0.32/28. I have also seen that the same CIDR blocks are used in many other examples as well. Is there a restriction that only this particular…

Let’s Encrypt ERR_CERT_INVALID after moving domain to other server

I run my website on DigitalOcean and due to some problemas I installed a new Ubuntu droplet and moved my website there. After changing my DNS settings for the domain I installed a Let’s Encrypt certificate using: certbot –apache -d domain.com.br -d www.domain.com.br All ran through without problems and I got the confirmation that its…

Error while installing C++ Redistributable 2015 on the Windows Server 2012 R2

I need to install MySQL and WorkBench tool on the Windows Server 2012 R2. As the prerequesites it needs Visual C++ Redistributable 2015 So I downloaded and tried to install but getting below error: Log details: [12E4:1754][2019-11-28T23:04:18]i301: Applying execute package: vcRuntimeAdditional_x86, action: Install, path: C:\ProgramData\Package Cache{BE960C1C-7BAD-3DE6-8B1A-2616FE532845}v14.0.23026\packages\vcRuntimeAdditional_x86\vc_runtimeAdditional_x86.msi, arguments: ‘ MSIFASTINSTALL=”7″ NOVSUI=”1″‘ [1680:17F8][2019-11-28T23:04:18]i319: Applied execute package: vcRuntimeAdditional_x86,…