howto/Bird2.md
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@@ -331,6 +331,13 @@ You can add cron entries to periodically update the tables:
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*/15 * * * * curl -sfSLR {-o,-z}/etc/bird/roa_dn42_v6.conf https://dn42.burble.com/roa/dn42_roa_bird2_6.conf && birdc configure > /dev/null
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```
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+Note that this is for the user crontab (`crontab -e`). For global crontabs (`/etc/crontab`, `/etc/cron.d/`, ...), you need to add an user:
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+
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+```conf
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+*/15 * * * * bird curl -sfSLR {-o,-z}/etc/bird/roa_dn42.conf https://dn42.burble.com/roa/dn42_roa_bird2_4.conf && birdc configure > /dev/null
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+*/15 * * * * bird curl -sfSLR {-o,-z}/etc/bird/roa_dn42_v6.conf https://dn42.burble.com/roa/dn42_roa_bird2_6.conf && birdc configure > /dev/null
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+```
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+
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Or use a systemd timer: (check the commands before copy-pasting)
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```conf