Node Troubleshooting

Troubleshooting guides for E2E Networks compute nodes. Pick the category that matches the symptom you're seeing — each guide explains the most common causes, the order in which to check them, and the commands or portal actions to use.

If you can't find what you're looking for and the issue persists, contact cloud-platform@e2enetworks.com.

Portal Actions and Lifecycle

Guide	What it covers
Node Management Actions	Action is disabled, action rejected after submit, bulk-action skips nodes, reinstall/delete blocked, plan or storage change rejected.
E1 Series Nodes	Stop action missing, Stopped node has few actions, root storage size rules, plan upgrade unavailable, slow start from Stopped.
Committed Nodes and Billing	Convert to committed, auto-renewal vs hourly vs auto-termination, plan upgrade, why a committed node cannot be terminated early.
Images, Import and Export	Save Image rules (especially Windows), custom image import (OpenNebula context, supported formats, disk requirements), AWS to E2E migration, cross-region copy, export to Object Storage.
Marketplace Deployments	Login, browse/filter, launching a marketplace image as a node, WordPress troubleshooting links.

Networking and Connectivity

Guide	What it covers
Networking and IP	Public IP missing or stuck, Add-on IP rules, VPC not showing up, preferred private IP rejected, private access fails, ping and traceroute.
Node Not Accessible	Cannot reach the node — full top-to-bottom checklist using ping, SSH/RDP, MyAccount state, reboot, VNC console, resource and disk checks.
Site Down	Web server troubleshooting from node up — logs, service start, syntax check, database back-end, port open, DNS.

Security and Access Control

Guide	What it covers
Security and Access	SSH key updates, password updates, security group changes not effective, Accidental Protection, Recovery Mode trigger, BitNinja, Security Compliance.
Recovery Mode	Enabling Recovery Mode, mounting the disk at /mnt/sysroot, freeing space, resetting root password, exiting cleanly.
Active Directory on Windows Nodes	Promoting a DC, joining a client, prerequisites check failures, DNS and time-skew issues, group policy not applying.

Performance, Resources and OS

Guide	What it covers
High Processor Load	Identifying load with uptime, top, ps; common causes; how to stop a runaway process gracefully or by PID.
Disk Space Issues	Where disk goes (logs, backups, temp), df/du/ncdu walkthroughs, the deleted-but-open-file problem, recovery-mode escape hatch.
Hostname and OS Configuration	Hostname doesn't persist across reboots (one-context script), cPanel hostname changes, installing Node.js / npm on CentOS.

Monitoring and Encryption

Guide	What it covers
Monitoring and Alerts	Missing charts, Test Monitoring Service disabled, Create Alert disabled, Volume Read/Write Ops hidden, Webcheck limits, alert pause, Zabbix agent install (Linux and Windows).
Node Encryption	Why encryption cannot be enabled or disabled after launch, Save Image always producing unencrypted output, snapshot inheritance rules, how to migrate unencrypted → encrypted.

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