GNU/Linux Consultancy

Whether you have been let down by cloud services in the past, or want to take control of where your data is stored due to the GDPR, we can assist you in the process of migration to your own infrastructure. Our services span finding a suitable ISP, registering domain names, procuring suitable hardware, repurposing existing old hardware and deployment.

We believe in intranet solutions for businesses to liberate themselves from dependencies on centralized services from large corporations. When you take responsibility for your own infrastructure, you stop being susceptible to the increasingly frequent service disruptions caused by these third-parties. Full control over where your data is stored and how it is transmitted around your network can ease regulatory compliance and help you avoid being liable for others' mistakes.

We understand that different businesses have different constraints in which to operate; therefore, we can assist you in migration to and from third party cloud infrastructure or help you integrate your intranet with cloud solutions for best flexibility.

It has become customary for end-users and businesses to use centralized file sharing services ran by organizations of dubious intent. We can fully remedy this situation by helping you set-up your own file server with NFS using Kerberos for strong encryption and authentication.

Large e-mail service providers want you to think it is simply not possible to run your own mail servers. This is not true. Albeit difficult, it can certainly be achieved and we shall show you the path. We can help you with SMTP, IMAP and POP servers; DKIM keys and records; SPF and DMARC policies; custom milters.

It is inexplicable that private enterprises be routing all their internal communications through a small group of messaging service providers often affiliated to social media organizations for the simple reason that the services are free of charge.

We can assist in the deployment of your own messaging infrastructure based on XMPP and you shall obtain unparalleled privacy.

We can provide database solutions tailored to your needs; be it based on LDAP or SQL.

We can provide efficient backups and data migration solutions for your business which ensure data integrity, minimal downtime, best security practices, regulatory compliance and minimization of data loss.

If you have an intranet with mix of public and internal services, it is essential to have a well configured firewall in place in order to secure your critical systems and ensure attack-surface minimization. We can assist you in the manual configuration of your firewall directly using nftables or iptables.

We evaluate how well your systems are protected against any internal and external threats by conducting an in depth review of your servers' configurations. We then produce a detailed report about the issues found and implement any necessary remedies.

With quantum computing becoming a reality in the near future, it is imperative to prepare ahead of time. We can evaluate your needs and make thorough recommendations of how to prepare for the migration to the newly standardized post-quantum cryptographic algorithms SLH-DSA, ML-DSA and ML-KEM.

In security sensitive environments, an intrusion detection system is essential for minimizing the impact of an attack by alarming an administrator. It is also instrumental, in the aftermath of an attack, to understand what went wrong and how it could have been prevented. We can tailor a solution to your needs using Samhain or AIDE.