post-powercut: add mailman note

Author: wizzdom

Diff for: docs/procedures/post-powercut.md

@@ -6,8 +6,8 @@ tags:
   - powercut
   - todo
 created: 2023-12-05T01:36:11
-modified: 2024-09-27T13:35:28
-title: post-powercut
+modified: 2024-09-30T19:24:57
+title: Post-powercut Todo List
 ---
 
 # Post-powercut Todo List
@@ -19,15 +19,21 @@ A list of things that should be done/checked immediately after a power cut:
 	- `eno2` should have *no IP address*
 	- `br0` should have the external IP address (`136.206.16.0/24`) - this should also be reserved by DHCP on [`mordor`](../hardware/network/mordor.md)
 - If the [`bastion-vm`](../services/bastion-vm.md) fails to start, check:
-	- `/storage` is mounted `rw` on each [`aperture`](docs/hardware/aperture/index.md) server
-	- `br0` is present and configured on each [`aperture`](docs/hardware/aperture/index.md) server
+	- `/storage` is mounted `rw` on each [`aperture`](../hardware/aperture/index.md) server
+	- `br0` is present and configured on each [`aperture`](../hardware/aperture/index.md) server
 	- `vm-resources.service.consul` is running and `http://vm-resources.service.consul:8000/bastion/bastion-vm-latest.qcow2` is accessible
 	- if the `latest` symlink points to a corrupted image, `ln -sf` it to an earlier one
-- All the [`nixos`](docs/procedures/nixos.md) boxes rely on [`DNS`](docs/services/bind.md) for [`ldap`](docs/services/ldap.md) and [`nfs`](docs/services/nfs.md):
-	- Make sure bind is running on [`paphos`](docs/hardware/paphos.md)
+- All the [`nixos`](..//procedures/nixos.md) boxes rely on [`DNS`](..//services/bind.md) for [`LDAP`](../services/ldap.md) and [`NFS`](../services/nfs.md):
+	- Make sure bind is running on [`paphos`](../hardware/paphos.md)
 	- mount `/storage`
 	- `systemctl restart` `httpd`, `php-fpm-rbusers-*` and `ldap`
 - Apache on [`hardcase`](../hardware/nix/hardcase.md) sometimes tries to start before networking is finished starting. To fix it, disable/re-enable it a few times. This usually makes it turn on.
+- Mailman on [`hardcase`](../hardware/nix/hardcase.md) has a lock file at `/var/lib/mailman/lock/master.lck`. If it doesn't shut down correctly, this lock file will block mailman from starting up. Remove it with:
+
+```bash
+rm /var/lib/mailman/lock/master.lck
+```
+
 - [`paphos`](../hardware/paphos.md) is old and sometimes its time will become out of sync. To make sure its time is accurate, run:
 
 ```bash