Linux Consulting in Appleton, Wisconsin

Since 2009, Zwiegnet has provided senior-level Linux consulting for Wisconsin organizations. Appleton-area businesses rely on us for reliable infrastructure, secure systems, and expert migrations without the overhead of large MSPs.

We work extensively with manufacturing, healthcare, education, utilities, SaaS providers, and growing mid-sized companies across Outagamie County and the Fox Valley.

Our Appleton-area Linux consulting services include:

• Enterprise Linux Support – RHEL, AlmaLinux, Rocky Linux, Oracle Linux, Ubuntu LTS, Debian; troubleshooting, tuning, lifecycle management
• Windows to Linux Migrations – Application stacks, file servers, identity services, and cost-reduction initiatives
• CentOS End-of-Life Migrations – Planned transitions to AlmaLinux, Rocky Linux, or Oracle Linux
• Active Directory & Kerberos Integration – SSSD/realmd, Samba, NFSv4 Kerberos, secure authentication
• Disaster Recovery & Business Continuity – ReaR, Bacula, snapshot strategies, HA/DR testing
• SAN, Storage & Multipath – Fibre Channel, iSCSI, NVMe-oF, DM-Multipath design and optimization
• High Availability & Clustering – Pacemaker/Corosync, DRBD, Keepalived, resilient architectures
• Security Hardening & Compliance – CIS benchmarks, SELinux, firewalld, intrusion prevention
• Automation & Monitoring – Ansible, Nagios, Zabbix, container platforms (Podman/Docker)

Why Appleton businesses choose Zwiegnet:

• Direct access to senior Linux engineers
• Fast on-site availability across the Fox Cities
• No outsourced tiers or junior-only support
• Deep experience with regulated and production environments

Conveniently serving Appleton, Neenah, Menasha, Kaukauna, and the greater Fox Valley. Wisconsin-based Linux consulting since 2009.