Cloud

Amazon AWS create key pair using awscli

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To create key pair in Amazon AWS using command line, run aws ec2 create-key-pair –key-name NAME_OF_KEY This will display your SSK private key or PEM file. This you can store for future use. Example boby@hon-pc-01:~$ aws ec2 create-key-pair –key-name sok { “KeyMaterial”: “—–BEGIN RSA PRIVATE KEY—–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\n—–END RSA PRIVATE KEY—–“, “KeyName”: “sok”, “KeyFingerprint”: “12:b2:ad:e1:f4:d7:54:8f:9b:5d:ab:67:43:b9:7d:f8:68:d5:9b:f2” } boby@hon-pc-01:~$ … Read more

SMTP

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To verify SMTP SPF/DKIM etc are set properly, sent a mail to check-auth2@verifier.port25.com, check the reply. Cloud providers like Amazon AWS, Alibaba, Microsoft Azure, Google Cloud and DigitalOcean do not allow you to run your own mail server. If you need to sent an email from your web application, you need to use one of … Read more

digitalocean

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Installing doctl on Ubuntu Connect Domain Name to DigitalOcean Droplet. How to install Squid Proxy Server in DigitalOcean VPS How to delete a DigitalOcean Droplet? How to reset DigitalOcean Droplet root password

ping

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Ping to Cloud Providers http://www.gcping.com https://www.cloudping.info https://azurespeedtest.azurewebsites.net ping: unknown host localhost Speedtest China https://perfops.net/ping-from-china – Ping from china. https://www.chinafy.com/tools/global-speed-test http://tool.chinaz.com/speedtest/https://serverok.in/

Red Hat acquires CoreOS for $250 mililon

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CoreOS is a container-optimized Linux operating system to be used under docker/Kubernetes. On January 30, 2018, Red Hat, Inc. announced that it is acquiring CoreOS for $250 million. Founded in 2013, CoreOS was created with a goal of building and delivering infrastructure for organizations of all sizes that mirrored that of large-scale software companies, automatically … Read more

Google Cloud

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Install Google Cloud SDK gsutil Google Cloud SQL Google Cloud App Engine How to delete Google Cloud DNS Zone How to delete Google Cloud Virtual machine (Compute Engine) How to Recover Deleted Project in Google Cloud

Install Google Cloud SDK

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To install Google Cloud SDK on Ubuntu/Debian, add repo export CLOUD_SDK_REPO=”cloud-sdk-$(lsb_release -c -s)” echo “deb http://packages.cloud.google.com/apt $CLOUD_SDK_REPO main” > /etc/apt/sources.list.d/google-cloud-sdk.list Add Key curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add – Install with apt-get update apt-get install google-cloud-sdk Before you can use gcloud command, you need to run gcloud init gsutil Google Cloud Google Cloud Storage

gsutil

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gsutil is part of Google Cloud SDK allow you to work with Google Cloud Storage. Configure Before you can use gsutil, run gcloud auth login You will be given a special URL, open the link in browser, login to your google cloud account. Then you get a code, copy and paste it in terminal. Now … Read more

azure

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Install Azure CLI on Ubuntu az – Microsoft Azure Cross-platform Command Line Interface Microsoft Azure Set rDNS Swap Boot Disk in Azure VM

Microsoft Azure Set rDNS

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To set rDNS for an IP, first make it static. Then use Azure CLI boby@hon-pc-01:~$ az network public-ip update –resource-group serverok –name ok-vmPublicIP –reverse-fqdn azure-rdns.serverok.in –dns-name ok-vm { “dnsSettings”: { “domainNameLabel”: “ok-vm”, “fqdn”: “ok-vm.southeastasia.cloudapp.azure.com”, “reverseFqdn”: “azure-rdns.serverok.in” }, “etag”: “W/\”1046148c-e501-49e0-a673-942b75dd71ad\””, “id”: “/subscriptions/7adb2f54-bc45-4d4d-a5ec-321ca213d39d/resourceGroups/serverok/providers/Microsoft.Network/publicIPAddresses/ok-vmPublicIP”, “idleTimeoutInMinutes”: 4, “ipAddress”: “52.187.107.150”, “ipConfiguration”: { “etag”: null, “id”: “/subscriptions/7adb2f54-bc45-4d4d-a5ec-321ca213d39d/resourceGroups/serverok/providers/Microsoft.Network/networkInterfaces/ok-vmVMNic/ipConfigurations/ipconfigok-vm”, “name”: null, “privateIpAddress”: null, … Read more