Nethence Delivery

IT Hosting / Outsourcing / Consulting — Deployment Guides

Location: Иннополис - Татарстан

Contact: Pierre-Philipp Braun

Virtualization Farms

• Custom built XEN hosts and guests
• Hypervisors' fault-tolerance with corosync and pacemaker
• Physical to Virtual (P2V) convertions by any means to get rid of old servers
• Migrating guest systems to other datacenters with no-downtime

Distributed Storage

• Ceph block devices and network file-systems

Networking

• Network link aggregates and other optimizations
• Layer 4 (BSD) fault-tolerant firewalls and NAT gateways
• Layer 4 (BSD) vs Layer 5-7 (NGINX) fault-tolerant load-balancers
• IPSEC VPN tunneling (BSD) for inter-office linkage

Infrastructure Services

• Documentation Management System with either Gollum, GitLab or Redmine+Markdown
• Strong anti-spam front-facing SMTP gateways and/or Mail eXchangers with Postfix
• DNSSEC with NSD and Unbound
• PKI powered web SSO
• Migrating MS Exchange to Postfix + Dovecot + Sieve + Cadaver/CalDAV + Roundcube
• Migrating MS Active Directory to Samba v4
• Evaluating Oracle RDBMS database convertion to Oracle MySQL and possibly MariaDB
• Ansible and ClusterIt for configuration, operations management and job scheduling
• Deliverying and securing MongoDB
• Setting up industrial installation servers (PXE and HTTP mirrors/caching)
• Setting up simple and reliable custom backup systems
• Getting rid of GRUB
• Helpdesk with Redmine

Monitoring

• M/Monit vs Grafana vs Kibana performance graphs

DevOps

• Docker Swarm
• Ceph object storage
• Agile/SCRUM/Kanban tools e.g. IceScrum
• Versioning Control System (VCS) and Continuous Integration (CI) on-premises with GitLab
• Bug tracking with Redmine

© 2018 Pierre-Philipp Braun, Russia