Linux System Administration MCP Servers — Red Hat RHEL Lightspeed, SSH Remote Management, Shell Execution, Ansible, Zabbix, Grafana, and systemd

Linux sysadmin MCP servers reviewed: Red Hat RHEL Lightspeed (242 stars, 26 read-only diagnostic tools, multi-host SSH), Red Hat Lightspeed MCP (rebranded Insights, 6 toolsets), ssh-mcp (494 stars, MIT), mcp-ssh-manager (242 stars, 37 tools, v3.6.2 security modes+hot-reload), openSUSE systemd-mcp (v0.3.4, auth checks), Grafana MCP (3,129 stars, official), Zabbix V2.0.0, Ansible AAP, cli-mcp-server, homelab-mcp. Rating: 3.5/5.