Linux Consulting in Janesville, Wisconsin

While our primary base is between Madison and Milwaukee (about 40-45 minutes drive to Janesville), we regularly serve the Rock County area with on-site visits and rapid remote support. We specialize in enterprise Linux for production environments: from legacy migrations and security hardening to disaster recovery planning and high-performance storage setups.

Our Janesville-area Linux consulting services include:

• On-Site & Remote Enterprise Linux Support – RHEL, AlmaLinux, Rocky Linux, Oracle Linux, Ubuntu LTS — optimization, troubleshooting, and 24/7 response
• Windows to Linux Migrations & CentOS EOL Upgrades – Seamless transitions with minimal downtime for manufacturing and industrial systems
• Active Directory & Kerberos Integration – Secure SSO, realmd/sssd, keytab management, NFSv4/krb5, Samba AD for hybrid environments
• Disaster Recovery & High Availability – ReaR bare-metal recovery, Bacula backups, Pacemaker clustering, off-site replication, DR drills
• SAN Storage & Multipath Expertise – Fibre Channel, iSCSI, NVMe-oF, DM-Multipath failover/load balancing for reliable data access
• Security Hardening & Compliance – SELinux, firewalld, ModSecurity, fail2ban, CIS benchmarks, vulnerability management
• Automation, Monitoring & Custom Projects – Ansible orchestration, Nagios/Zabbix monitoring, Podman containers, custom scripting

Why choose Zwiegnet for Janesville? Quick access from central Wisconsin, no excessive travel fees, personalized service, and proven expertise in supporting manufacturing and commercial operations similar to those in Rock County.