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SMTP, SPF, DKIM, DMARC, TLS
Did you know anyone can send an email impersonating your email address? Back in 1971 when ’email’ was invented and later when it was connected to the Internet both email users knew each other. Since then spammers and other bad actors started to abuse this ‘feature’. And since then some new mechanisms have been added…
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Distro upgrade as a service
For several years we have worked with customers to upgrade dozens of servers (primarily Debian and Ubuntu) from old (sometimes ancient) distro versions to the latest, stable versions. We are now offering this distro upgrade as a service. The upgrade steps are as follows: We collect systems information to ensure your setup is updatable (e.g.…
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Debian Stretch and old installs
We have had Debian 9 images available since shortly after it became available. But missed announcing it. So here it is, Debian 9 is code named “Stretch” and is available as a setup option on all our plans. As with other newer images, there is only a 64 bit image for new setups or re-installs.…
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32 to 64 bit distro crossgrades for Debian and Ubuntu
The demise of 32 bit distros is nigh! Some distros are dropping or reducing support for 32 bit versions. e.g. only providing 64 bit ISO downloads. Some software makers are no longer putting out 32 bit versions of their software. e.g. Since version 9 Oracle have only released a 64 bit version of Java. In…
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Install ownCloud on a Rimu VPS
Owncloud is a popular file storage and synchronization system, with many additional features available for it. It’s a self-hosted alternative to systems like dropbox, but with owncloud your files are stored on your own servers. This allows you to meet requirements to keep data in a certain jurisdiction, for example, or it might give you…
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Debian Squeeze (6) ends support – time to upgrade
February 29th, 2016 marks the end of LTS Support for Debian Squeeze, which is still used by many of our customers. This means that updates for known security issues will no longer be produced and over time, a server running this version will become vulnerable to being exploited. Squeeze was released in 2011 and was…
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Running Vagrant in your VPS
Vagrant is often used to set up development environments in a standardized way, so that your software project deployed via vagrant has a standard environment with all the operating system components and set-up it needs to work properly. It creates a virtual machine to provide this environment, so that different developers can work on it…
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DebConf15 Report
Camera Canon EOS 650D We love Debian. A lot. In fact we make it our recommended distro. We do that since it makes it easy to deploy, and maintain most recent packages resulting in fewer sysadmin headaches for us and our customers. This year we decided to send a delegation of one (Juan Rossi) to…
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Debian 8 (Jessie) available
We now have a Debian 8 image available for new VM setups and reinstalls. Debian 8 is code named “Jessie”. There is only a 64 bit image. Most customers are now ordering 64 bit distros. And some distros only come in a 64 bit flavor now, e.g. Centos 7. Debian 8 is also an option…
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Setting up Domains Keys (DKIM) on Postfix
This is a quick and fairly painless way of setting up DKIM, on a postfix server. DomainKeys Identified Mail (DKIM) is a method for associating a domain name to an email message, thereby allowing a person, role, or organization to claim some responsibility for the message and helps verify that your mail is legitimate. This…