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Updated SNMP-Configuration-Examples (#10063)

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Update snmpd instructions for Linux to reflect the ability to use @reboot declaration in the crontab. This is probably preferable to rc.local, which is apparently not supported or possible deprecated in Ubuntu or CentOS7.
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dmeiser
2019-04-03 07:39:02 -04:00
committed by PipoCanaja
parent c1fab98cc3
commit 4e36805eaa
1 changed files with 1 additions and 1 deletions
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doc/Support/SNMP-Configuration-Examples.md
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@@ -266,7 +266,7 @@ extend .1.3.6.1.4.1.2021.7890.1 distro /usr/bin/distro
#extend .1.3.6.1.4.1.2021.7890.4 serial '/bin/cat /sys/devices/virtual/dmi/id/product_serial'
```
**NOTE**: On some systems the snmpd is running as its own user, which means it can't read `/sys/devices/virtual/dmi/id/product_serial` which is mode 0400. One solution is to `chmod 444 /sys/devices/virtual/dmi/id/product_serial` in `/etc/rc.local` or equivalent.
**NOTE**: On some systems the snmpd is running as its own user, which means it can't read `/sys/devices/virtual/dmi/id/product_serial` which is mode 0400. One solution is to include `@reboot chmod 444 /sys/devices/virtual/dmi/id/product_serial` in the crontab for root or equivalent.
The LibreNMS server include a copy of this example here: