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Greetings!
I installed netdata-1.10.0-lp152.3.7.x86_64 and enabled it via systemd. There were few pam related errors related to some plugins that require sudo configuration for netdata to access certain processes for getting statuses.
# systemctl status netdata
● netdata.service - Real time performance monitoring
   Loaded: loaded (/usr/lib/systemd/system/netdata.service; enabled; vendor preset: disabled)
   Active: active (running) since Fri 2020-08-28 08:37:16 PDT; 31min ago
  Process: 15752 ExecStartPre=/bin/chown -R netdata:netdata /var/cache/netdata (code=exited, status=0/SUCCESS)
  Process: 15742 ExecStartPre=/bin/mkdir -p /var/cache/netdata (code=exited, status=0/SUCCESS)
 Main PID: 15757 (netdata)
    Tasks: 26
   Memory: 79.6M
   CGroup: /system.slice/netdata.service
           ├─15757 /usr/sbin/netdata -P /run/netdata/netdata.pid -D
           ├─15773 /bin/bash /usr/lib/netdata/plugins.d/tc-qos-helper.sh 1
           ├─15795 /usr/bin/python /usr/lib/netdata/plugins.d/python.d.plugin 1
           └─15796 /usr/lib/netdata/plugins.d/apps.plugin 1
Aug 28 08:37:16 flux systemd[1]: Starting Real time performance monitoring...
Aug 28 08:37:16 flux systemd[1]: Started Real time performance monitoring.
Aug 28 08:37:17 flux sudo[16036]: pam_unix(sudo:auth): conversation failed
Aug 28 08:37:17 flux sudo[16036]: pam_unix(sudo:auth): auth could not identify password for [root]
As per the documentation I edited sudoers file and added
netdata ALL=(ALL)       NOPASSWD: /usr/bin/smbstatus -P
The 'auth could not identify password for [root] error is gone but this error exists -
'pam_unix(sudo:auth): conversation failed'
So sudo needs authentication to execute requested command.
netdata ALL=(ALL)       NOPASSWD: /usr/bin/smbstatus -P
What makes you believe this is the (only) command executed by your application? Check logs which command(s) failed, check application documentation …
sudo logs which user invoked it and which command it tried to execute.
So sudo needs authentication to execute requested command.
What makes you believe this is the (only) command executed by your application? Check logs which command(s) failed, check application documentation …
sudo logs which user invoked it and which command it tried to execute.
Several plugins failing. I posted on their github issues, checked similar threads; after a careful consideration I have disabled netdata and don’t plan to use it. The recommended/consensus option may end up altering PAM policy and break my server. In my case security is more important than fancy webui. From netdata forums I understood their core concern is not the security.
For the record -
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/1/io (command 'systemd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/1/fd (command 'systemd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/2/io (command 'kthreadd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/2/fd (command 'kthreadd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/3/io (command 'rcu_gp') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/3/fd (command 'rcu_gp') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/4/io (command 'rcu_par_gp') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/4/fd (command 'rcu_par_gp') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/6/io (command 'kworker/0:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/6/fd (command 'kworker/0:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/8/io (command 'mm_percpu_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/8/fd (command 'mm_percpu_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/9/io (command 'ksoftirqd/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/9/fd (command 'ksoftirqd/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/10/io (command 'rcu_sched') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/10/fd (command 'rcu_sched') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/11/io (command 'migration/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/11/fd (command 'migration/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/12/io (command 'idle_inject/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/12/fd (command 'idle_inject/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/14/io (command 'cpuhp/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/14/fd (command 'cpuhp/0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/15/io (command 'cpuhp/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/15/fd (command 'cpuhp/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/16/io (command 'idle_inject/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/16/fd (command 'idle_inject/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/17/io (command 'migration/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/17/fd (command 'migration/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/18/io (command 'ksoftirqd/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/18/fd (command 'ksoftirqd/1') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/20/io (command 'kworker/1:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/20/fd (command 'kworker/1:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/21/io (command 'cpuhp/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/21/fd (command 'cpuhp/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/22/io (command 'idle_inject/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/22/fd (command 'idle_inject/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/23/io (command 'migration/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/23/fd (command 'migration/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/24/io (command 'ksoftirqd/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/24/fd (command 'ksoftirqd/2') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/26/io (command 'kworker/2:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/26/fd (command 'kworker/2:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/27/io (command 'cpuhp/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/27/fd (command 'cpuhp/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/28/io (command 'idle_inject/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/28/fd (command 'idle_inject/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/29/io (command 'migration/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/29/fd (command 'migration/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/30/io (command 'ksoftirqd/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/30/fd (command 'ksoftirqd/3') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/32/io (command 'kworker/3:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/32/fd (command 'kworker/3:0H-kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/34/io (command 'kdevtmpfs') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/34/fd (command 'kdevtmpfs') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/35/io (command 'netns') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/35/fd (command 'netns') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/36/io (command 'rcu_tasks_kthre') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/36/fd (command 'rcu_tasks_kthre') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/37/io (command 'kauditd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/37/fd (command 'kauditd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/39/io (command 'khungtaskd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/39/fd (command 'khungtaskd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/40/io (command 'oom_reaper') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/40/fd (command 'oom_reaper') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/41/io (command 'writeback') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/41/fd (command 'writeback') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/42/io (command 'kcompactd0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/42/fd (command 'kcompactd0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/43/io (command 'ksmd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/43/fd (command 'ksmd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/44/io (command 'khugepaged') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/44/fd (command 'khugepaged') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/90/io (command 'kintegrityd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/90/fd (command 'kintegrityd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/91/io (command 'kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/91/fd (command 'kblockd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/92/io (command 'blkcg_punt_bio') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/92/fd (command 'blkcg_punt_bio') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/93/io (command 'tpm_dev_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/93/fd (command 'tpm_dev_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/94/io (command 'ata_sff') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/94/fd (command 'ata_sff') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/95/io (command 'edac-poller') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/95/fd (command 'edac-poller') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/96/io (command 'devfreq_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/96/fd (command 'devfreq_wq') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/97/io (command 'watchdogd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/97/fd (command 'watchdogd') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/99/io (command 'kswapd0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/99/fd (command 'kswapd0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/100/io (command 'kworker/u9:0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/100/fd (command 'kworker/u9:0') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/102/io (command 'kthrotld') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/102/fd (command 'kthrotld') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process /proc/103/io (command 'irq/24-PCIe BW ') (errno 13, Permission denied)
2020-08-28 21:07:06: apps.plugin ERROR : MAIN : Cannot process entries in /proc/103/fd (command 'irq/24-PCIe BW ') (errno 13, Permission denied)
2020-08-28 21:07:06: netdata ERROR : PLUGIN[diskspace] : DISKSPACE: Cannot stat() mount point '/run/user/1001/gvfs' (disk '_run_user_1001_gvfs', filesystem 'fuse.gvfsd-fuse', root '/'). (errno 13, Permission denied)
2020-08-28 21:07:06: netdata ERROR : PLUGIN[diskspace] : DISKSPACE: Cannot stat() mount point '/sys/kernel/debug/tracing' (disk '_sys_kernel_debug_tracing', filesystem 'tracefs', root '/'). (errno 13, Permission denied)