Floating Cloud

When preparing a public AMI for AWS EC2, you need to delete lots of security stuff, like public keys, hosts and history. Run this as ec2-user login to a new session, as even after all of this your commands from this session are only written to the bash_history file when exiting. sudo rm ~/.ssh/authorized_keys /home/ec2-user/.ssh/authorized_keys… Continue reading Prepare AMI for AWS Marketplace – Reset Linux ec2 Image – delete public keys, etc

Install hmailserver, don’t add your domain name. install winacme Run the following script or as commands in Powershell, maybe as admin. BE SURE to put your OWN DOMAIN name!!!! Easy is superior to following long instructions! You can have this done for you in a pre-installed EC2 AMI image. See it at: AWS Marketplace: Hmailserver… Continue reading Certbot Letsencrypt Certificate for HmailServer Windows svr 2019

Using Roundcube exclusively gives “An Error occurred! Server Error: UID COPY: The folder could not be found” as it doesn’t create the Trash, although it does create a “sent mail” when you send your first email message and drafts if you save a message that you are editing. When you use the Outlook client it creates… Continue reading Deleting messages in RoundCube in a new account hosted by HmailServer – Folder not Found

    Type N create certificate or just enter as it is the default       Select M for Manual input then 2 then type in your domain name that you already assigned with your DNS press enter again, then select 2 2: [http-01] Serve verification files from memory then take all of the… Continue reading Wacs – Windows letsencrypt certbot

Take control of your email domains and allow others to do the work Postfix Admin UI In the add domain admin you need to allow each domain to be controlled. For security purposes admin privileges are limited. So you need to select like in the picture, when adding the admin. Thank you for using our… Continue reading Add other admins and allow them to control email domains in Postfix Admin UI

Setup an Alias in Postfix Admin UI in Floating cloud Postfix server It’s really simple even if you don’t want an alias.   Log into the  admin area as user even if the user has admin rights, press “Users click here to login to the user section.”   When logging in you get a menu… Continue reading Set up a user to have emails forwarded in Postfix Admin UI

Powershell Command Here is the Powershellcommand to open the ports needed by HmailServer on Windows Server 2019 and others.  Open the Powershell as Administrator. New-NetFirewallRule -DisplayName “Mail Ports HMS” -Direction inbound -Profile Any -Action Allow -LocalPort 25,110,143,587 -Protocol TCP You will see the rule in the Firewall UI under inbound rules.

In Windows there are always multiple ways to install stuff like CGI I will follow the installation steps of the PHP 8 Non Thread Safe version on a Windows Server 2019 Standard Evaluation (Desktop Experience) operating system what needs IIS and CGI to be installed. Install first the IIS (Internet Information Services) by opening Server Manager where we have Manage, Tools, View and Help… Continue reading Install Fastcgi php 8 for Windows Server 2019

Install Maria DB on Windows Maria DB started as a fork from MySql, when MySQL was aquired by Oracle. Fears that Oracle would throttle Mysql have not happened and Oracle continues to develop MySql. However it is very UN-fun to login to Oracle and sign their incredibly long “I agree” before downloading. Download MariaDB Products… Continue reading Install Maria DB on Windows

Confusion About Postfix Logs There is a lot of confusion around how to read and manage Postfix logs, these can include Dovecot or other Mail Transfer Apps. You should be using the Automated Docker Compose installation of Postfix, Roundcube Webmail, Dovecot and Certbot that makes https certificates Simplest Way to view Postfix Logs To see… Continue reading Postfix Logs

Postfix Hardening for Security and Privacy Harden Your Postfix Email Server Postfix Hardening Guide for Security and Privacy – Linux Audit for GDPR, HIPAA , ITAR . Don’t use gmail Gsuite, get your own corporate server. Start Hardening postfix by installing a new Postfix Email Server with Webmail, Https Cert, Easy User Admin following this you will… Continue reading Postfix Hardening Guide for Security and Privacy

sometimes you  cannot use SES, But the users still want their messages delivered. so here is some info. I hope that it is helpful. I’ve been trying to setup my hmailserver with DKIM. Unfortunatly our Windows HmailServer is now depricated. To start installing the replacement with Postfix, Dovecot, Postgres, Letsencrypt certificate and Roundcube, launch the Complete… Continue reading Hmail server – DKIM hmailserver

BE SURE!!! to back up your ec2 as an image  from in the AWS Web UI console. The Best way to have a completely secure Postfix server tnat can use ses, is to install our simple to install EC2 including Roundcube WebMail. Check it out AWS Marketplace: Mail Server on Linux Postfix using MySQL for… Continue reading Setup Amazon SES with Postfix

Postfix Hardening Guide for Security and Privacy Postfix Security and Privacy Postfix is one of the most used components on a server that needs to receive or send emails. With all its options available, it is easy to have a weak configuration. This security guide looks into Postfix hardening, to increase the defenses against spam, abuse,… Continue reading Harden Your Postfix

Register a domain with Route 53 Many people get stuck setting up an EC2 Instance as a  mail server. Did you send a test message to your new instance and never receive the email ? To set up a mail server you first need the MX record to be properly setup in Route 53 or… Continue reading Setup MX Record in Route 53 with a domain that you registered with AWS

Using AWS Session Manager you can connect to your instances via Web Console instead of SSH. This is similar to what was always offered by Azure and Google Cloud. Then Select Session Manager If you see that its greyed out, you need to still configure it. So instead go to ssm manager  Quick Start  Now… Continue reading Web Linux Console for EC2 – Session Manager – ssm Quick Connect

I am installing my easy to install floating cloud email server in AWS Marketplace:  I am in the Final test stages. I have implimented only a small amoiunt of spam protection, however this is enough to block the biggest spammer in the multiverse. The blocked ip address is owned my google and used to send… Continue reading Gmail is bounced as spam

HATE Gmail?   Update Nov 4, 2021 This opensource project now works. You can easily install it. To start installing, launch the Complete Email Server with Webmail in the AWS Cloud. Everyone hates Gmail and some put up with hotmail. A personal email server is best to have. We have helped people to install a great email… Continue reading Postfix Containerized Version 1 is out

I would like to containerize my sites, especially this FloatingCloud.io site. Here are some links that I will use for guidance, wish me luck. https://blog.kontena.io/running-your-wordpress-site-in-containers/ – This uses Docker build instead of the official image from Docker Hub http://roycornelissen.com/walking-the-talk/ https://stephenafamo.com/blog/moving-wordpress-docker-container/ – Uses NginX reverse proxy https://www.sitepoint.com/how-to-use-the-official-docker-wordpress-image/ https://stackoverflow.com/questions/45714456/how-to-migrate-docker-volume-between-hosts https://docs.docker.com/storage/volumes/#backup-a-container https://medium.com/@pybrarian/mysql-databases-that-dont-retain-data-293bc2ed7f02 https://hub.docker.com/_/wordpress/ https://www.wpexplorer.com/migrating-wordpress-website/ – uses initdb.d create… Continue reading Containerizing WordPress.

  ComputeOvsDpdkParameters: KernelArgs: “default_hugepagesz=1GB hugepagesz=1G hugepages=120 intel_iommu=on iommu=pt” OvsPmdCoreList: “17,53,35,71” OvsDpdkCoreList: “0,36,18,54” ## OvsDpdkMemoryChannels should be 4 (default), refer to Hardware Manual or run dmidecode -t memory OvsDpdkMemoryChannels: “4” ## OvsDpdkSocketMemory: “1024,1024” is the recommended setting without dpdk nic OvsDpdkSocketMemory: “1024,4096” TunedProfileName: “cpu-partitioning” NovaReservedHostMemory: 4096 OvsEnableDpdk: true ## IsolCpusList A set of CPU cores isolated… Continue reading Sr-IOV network-environment settings for TripleO Openstack installation

Perfect MongoDB upgrade instructions from 3.4 to 3.6     Run these instructions on each Windows Server with MongoDB 3.4   First Backup each server with an image. In case something breaks an image can be launched like the original. Snapshots are very hard to recover an OS from, so be sure to do an… Continue reading Upgrade MongoDB 3.4 to 3.6 on Windows Server 2016

CoreOS Container Linux is more secure and compact than others.  I installed docker-compose with the following script from https://gist.github.com/sourcec0de/5cf7d36a5f696c2ffc68   #!/bin/bash mkdir -p /opt/bin LATEST_URL=`curl -Ls -o /dev/null -w %{url_effective} https://github.com/docker/compose/releases/latest` COMPOSE_VERSION=${LATEST_URL##*/} DOWNLOAD_URL=https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` curl -L ${DOWNLOAD_URL} -o /opt/bin/docker-compose chmod +x /opt/bin/docker-compose

db.removeUser() On this page Definition Deprecated since version 2.6: Use db.dropUser() instead of db.removeUser() Definition db.removeUser(username) Removes the specified username from the database. The db.removeUser() method has the following parameter: Parameter Type Description username string The database username.

https://blog.zerosector.io/2018/04/04/mailcow/amp/ https://mailcow.email

Just set them to private in the database, using the following query: This would set all posts to private, I guess you won’t really use that query. Instead, to only set articles to ‘private’ use: and to only disable pages, use: Post-revisions have the status ‘inherit’ and thus get the right inherited from the parent page or… Continue reading Set WordPress all of your pages to private so that you can un-publish them