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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-20777

Zabbix can't verify Apache service

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Details

    • Problem report
    • Status: Closed
    • Trivial
    • Resolution: Fixed
    • 6.0.2
    • None
    • Agent (G)
    • None
    • Zabbix server -> Version 6.02
      Zabbix Agent -> Version 1:5.0.21-1+xenial
      Zabbix Agent Operating System -> Ubuntu 16.04.7 LTS
      Zabbix Agent Apache version -> 2.4.18

    Description

      Steps:

      I installed the Zabbix agent on the ubuntu server (16.04.7 LTS) without any problem, my Zabbix server can connect to the agent throw the agent service. I also added the next templates to the agent: Apache by Zabbix agent and Linux by Zabbix agent. After that, I configured on the Zabbix agent the status page on the apache service and I can reach on my computer and on the zabbix server throw a wget/curl command. But on the Zabbix web interface, on section problems, it's always saying that "Apache: Service is down". 

      After seeing the Zabbix server log, this is what it says:

       

      
      

      *9920:20220322:091203.386 item "AGENT_HOSTNAME:web.page.get["\{$APACHE.STATUS.SCHEME}://\{$APACHE.STATUS.HOST}:\{$APACHE.STATUS.PORT}/\{$APACHE.STATUS.PATH}"]" became not supported: Cannot perform cURL request: Couldn't resolve host name.
      9920:20220322:091203.386 item "AGENT_HOSTNAME:system.cpu.util[,guest_nice]" became supported
      9921:20220322:091221.394 item "AGENT_HOSTNAME:proc.mem["\{$APACHE.PROCESS_NAME}",,,,rss]" became supported
      9923:20220322:091222.394 item "AGENT_HOSTNAME:proc.cpu.util["\{$APACHE.PROCESS_NAME}"]" became supported
      9923:20220322:091222.394 item "AGENT_HOSTNAME:proc.mem["\{$APACHE.PROCESS_NAME}",,,,vsize]" became supported
      9920:20220322:091224.395 item "AGENT_HOSTNAME:system.cpu.util[,guest]" became supported
      9920:20220322:091927.571 error reason for "AGENT_HOSTNAME:web.page.get["\{$APACHE.STATUS.SCHEME}://\{$APACHE.STATUS.HOST}:\{$APACHE.STATUS.PORT}/\{$APACHE.STATUS.PATH}"]" changed: Cannot perform cURL request: Timeout was reached.
      9922:20220322:092023.594 error reason for "AGENT_HOSTNAME:web.page.get["\{$APACHE.STATUS.SCHEME}://\{$APACHE.STATUS.HOST}:\{$APACHE.STATUS.PORT}/\{$APACHE.STATUS.PATH}"]" changed: Cannot perform cURL request: Couldn't resolve host name.*

       

      But if I try to do a curl command on the command line of the Zabbix server I can reach the status page:

       

      
      

      *<user_name>@<hostname>:/var/log/zabbix$ curl http://ireservas-status.acin.pt/server-status?auto*
      *ireservas-status.acin.pt
      ServerVersion: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g
      ServerMPM: prefork
      Server Built: 2020-08-12T21:35:50
      CurrentTime: Tuesday, 22-Mar-2022 09:21:47 WET
      RestartTime: Monday, 21-Mar-2022 22:12:46 WET
      ParentServerConfigGeneration: 3
      ParentServerMPMGeneration: 2
      ServerUptimeSeconds: 40140
      ServerUptime: 11 hours 9 minutes
      Load1: 0.00
      Load5: 0.05
      Load15: 0.05
      Total Accesses: 6423
      Total kBytes: 404624
      CPUUser: 5.93
      CPUSystem: .86
      CPUChildrenUser: 0
      CPUChildrenSystem: 0
      CPULoad: .0169158
      Uptime: 40140
      ReqPerSec: .160015
      BytesPerSec: 10322.2
      BytesPerReq: 64508
      BusyWorkers: 3
      IdleWorkers: 7
      Scoreboard: _.WW...W........................................................................................................................................
      TLSSessionCacheStatus
      CacheType: SHMCB
      CacheSharedMemory: 512000
      CacheCurrentEntries: 5
      CacheSubcaches: 32
      CacheIndexesPerSubcaches: 88
      CacheTimeLeftOldestAvg: 176
      CacheTimeLeftOldestMin: 56
      CacheTimeLeftOldestMax: 296
      CacheIndexUsage: 0%
      CacheUsage: 0%
      CacheStoreCount: 422
      CacheReplaceCount: 0
      CacheExpireCount: 417
      CacheDiscardCount: 0
      CacheRetrieveHitCount: 0
      CacheRetrieveMissCount: 149
      CacheRemoveHitCount: 0
      CacheRemoveMissCount: 0*

       

      These are the macros that I configured on the Zabbix Agent:

       

       

      Can you please help me solve this issue?

      If you need further information please feel free to request.

       

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            zabbix.support Zabbix Support Team
            linovieira97 Lino Vieira
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              Created:
              Updated:
              Resolved: