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- Change SQLite journal mode from DELETE to WAL for better concurrency - Add chattr +C to /var/lib/aitbc in setup.sh to disable Btrfs Copy-on-Write - Add fallback logging when chattr is unavailable or fails - Prevent SQLite corruption on Btrfs filesystems by ensuring overwrite-in-place behavior
70 lines
1.4 KiB
Markdown
70 lines
1.4 KiB
Markdown
# SSH Access Patterns for AITBC Nodes
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## Purpose
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Document SSH access patterns for all AITBC nodes in the infrastructure.
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## Node Access Patterns
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### aitbc (localhost)
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Direct access - no SSH required.
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```bash
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# Run commands directly on localhost
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echo "command"
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systemctl restart service-name
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```
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### aitbc1
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Direct SSH access.
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```bash
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ssh aitbc1
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# Or execute single command
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ssh aitbc1 "command"
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```
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### gitea-runner (also hosts aitbc2)
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Direct SSH access. aitbc2 blockchain node runs on the same host.
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```bash
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ssh gitea-runner
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# Or execute single command
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ssh gitea-runner "command"
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```
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## Common Operations
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### Check service status on aitbc1
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```bash
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ssh aitbc1 "systemctl status aitbc-blockchain-node --no-pager"
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```
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### Restart service on gitea-runner (aitbc2)
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```bash
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ssh gitea-runner "systemctl restart aitbc-blockchain-node"
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```
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### Copy file to aitbc1
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```bash
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scp /path/to/file aitbc1:/path/to/destination
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```
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### Execute script on gitea-runner
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```bash
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ssh gitea-runner "bash /path/to/script.sh"
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```
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## Multi-Node Operations
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### Run command on all remote nodes
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```bash
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for node in aitbc1 gitea-runner; do
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ssh "$node" "systemctl status aitbc-blockchain-node --no-pager"
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done
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```
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### Check block heights across all nodes
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```bash
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for node in aitbc1 gitea-runner; do
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echo "=== $node ==="
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ssh "$node" "curl -s http://localhost:8006/rpc/bestBlock | jq '.height'"
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done
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```
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