PHP7 snmp Error in Ubuntu
Some times you will get a huge error related to snmp while configuring PHP7 in Ubuntu server. First few lines from that error snippet is given below for a reference.
MIB search path: /home/web/.snmp/mibs:/usr/share/snmp/mibs:/usr/share/snmp/mibs/iana:/usr/share/snmp/mibs/ietf:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp
Cannot find module (SNMPv2-TC): At line 10 in /usr/share/snmp/mibs/UCD-DLMOD-MIB.txt
Cannot find module (SNMPv2-SMI): At line 34 in /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Cannot find module (SNMPv2-TC): At line 37 in /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Did not find 'enterprises' in module #-1 (/usr/share/snmp/mibs/UCD-SNMP-MIB.txt)
Did not find 'DisplayString' in module #-1 (/usr/share/snmp/mibs/UCD-SNMP-MIB.txt)
Did not find 'TruthValue' in module #-1 (/usr/share/snmp/mibs/UCD-SNMP-MIB.txt)
Unlinked OID in UCD-SNMP-MIB: ucdavis ::= { enterprises 2021 }
Undefined identifier: enterprises near line 39 of /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Did not find 'DisplayString' in module #-1 (/usr/share/snmp/mibs/UCD-DLMOD-MIB.txt)
Did not find 'ucdExperimental' in module UCD-SNMP-MIB (/usr/share/snmp/mibs/UCD-DLMOD-MIB.txt)
Unlinked OID in UCD-DLMOD-MIB: ucdDlmodMIB ::= { ucdExperimental 14 }
Undefined identifier: ucdExperimental near line 13 of /usr/share/snmp/mibs/UCD-DLMOD-MIB.txt
Cannot find module (MTA-MIB): At line 1 in (none)
Cannot find module (NETWORK-SERVICES-MIB): At line 1 in (none)
Cannot find module (SNMPv2-TC): At line 15 in /usr/share/snmp/mibs/UCD-DISKIO-MIB.txt
Did not find 'DisplayString' in module #-1 (/usr/share/snmp/mibs/UCD-DISKIO-MIB.txt)
Did not find 'ucdExperimental' in module UCD-SNMP-MIB (/usr/share/snmp/mibs/UCD-DISKIO-MIB.txt)
Unlinked OID in UCD-DISKIO-MIB: ucdDiskIOMIB ::= { ucdExperimental 15 }
Its due to the missing of snmp package and can be resolved by installing the package.
#apt-get install snmp
That's all....