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**kloczek** · 19-10-2018, 12:13

try run on the host:

Code:

strace -fe trace=file /usr/sbin/zabbix-agentd -t 'proc.num[apache2,www-data]'

**ben maina** · 19-10-2018, 16:31

kloczek when i run that command on the host machine i get this.

strace: Can't stat '/usr/sbin/zabbix-agentd': No such file or directory

**kloczek** · 20-10-2018, 14:00

Typo .. /usr/sbin/zabbix_agentd

**ben maina** · 22-10-2018, 09:00

kloczek when i ran it again i get the following output:

execve("/usr/sbin/zabbix_agentd", ["/usr/sbin/zabbix_agentd", "-t", "proc.num[ap ache2,www-data]"], [/* 20 vars */]) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/liblber-2.4.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libcurl.so.4", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libpcreposix.so.3", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libsasl2.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libgssapi.so.3", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libgnutls.so.30", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libidn.so.11", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/librtmp.so.1", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libpcre.so.3", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libheimntlm.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libkrb5.so.26", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libasn1.so.8", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcom_err.so.2", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libhcrypto.so.4", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libroken.so.18", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libp11-kit.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libtasn1.so.6", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libnettle.so.6", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libhogweed.so.4", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libgmp.so.10", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libkrb5.so.3", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libk5crypto.so.3", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libkrb5support.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libwind.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libheimbase.so.1", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libhx509.so.5", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libsqlite3.so.0", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libcrypt.so.1", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64-linux-gnu/libffi.so.6", O_RDONLY|O_CLOEXEC) = 3
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libkeyutils.so.1", O_RDONLY|O_CLOEXEC) = 3
open("/dev/urandom", O_RDONLY) = 3
open("/etc/zabbix/zabbix_agentd.conf", O_RDONLY) = 4
stat("/etc/zabbix/zabbix_agentd.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/zabbix/zabbix_agentd.d", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 5
stat("/etc/zabbix/zabbix_agentd.d/postgresql.conf", {st_mode=S_IFREG|0644, st_si ze=11849, ...}) = 0
open("/etc/zabbix/zabbix_agentd.d/postgresql.conf", O_RDONLY) = 6
stat("/etc/zabbix/zabbix_agentd.d/..", {st_mode=S_IFDIR|0755, st_size=4096, ...} ) = 0
stat("/etc/zabbix/zabbix_agentd.d/.", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat("/etc/zabbix/zabbix_agentd.d/userparameter_mysql.conf", {st_mode=S_IFREG|06 44, st_size=1531, ...}) = 0
open("/etc/zabbix/zabbix_agentd.d/userparameter_mysql.conf", O_RDONLY) = 6
open("/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 4
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 4
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_compat.so.2", O_RDONLY|O_CLOEXEC) = 4
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnsl.so.1", O_RDONLY|O_CLOEXEC) = 4
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 4
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_nis.so.2", O_RDONLY|O_CLOEXEC) = 4
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/x86_64-linux-gnu/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 4
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 4
open("/proc", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 4
open("/proc/1/cmdline", O_RDONLY) = 5
open("/proc/1/status", O_RDONLY) = 6
open("/proc/2/cmdline", O_RDONLY) = 5
open("/proc/2/status", O_RDONLY) = 6
open("/proc/3/cmdline", O_RDONLY) = 5
open("/proc/3/status", O_RDONLY) = 6
open("/proc/5/cmdline", O_RDONLY) = 5
open("/proc/5/status", O_RDONLY) = 6
open("/proc/7/cmdline", O_RDONLY) = 5
open("/proc/7/status", O_RDONLY) = 6
open("/proc/8/cmdline", O_RDONLY) = 5
open("/proc/8/status", O_RDONLY) = 6
open("/proc/9/cmdline", O_RDONLY) = 5
open("/proc/9/status", O_RDONLY) = 6
open("/proc/10/cmdline", O_RDONLY) = 5
open("/proc/10/status", O_RDONLY) = 6
open("/proc/11/cmdline", O_RDONLY) = 5
open("/proc/11/status", O_RDONLY) = 6
open("/proc/12/cmdline", O_RDONLY) = 5
open("/proc/12/status", O_RDONLY) = 6
open("/proc/13/cmdline", O_RDONLY) = 5
open("/proc/13/status", O_RDONLY) = 6
open("/proc/15/cmdline", O_RDONLY) = 5
open("/proc/15/status", O_RDONLY) = 6
open("/proc/16/cmdline", O_RDONLY) = 5
open("/proc/16/status", O_RDONLY) = 6
open("/proc/17/cmdline", O_RDONLY) = 5
open("/proc/17/status", O_RDONLY) = 6
open("/proc/18/cmdline", O_RDONLY) = 5
open("/proc/18/status", O_RDONLY) = 6
open("/proc/20/cmdline", O_RDONLY) = 5
open("/proc/20/status", O_RDONLY) = 6
open("/proc/21/cmdline", O_RDONLY) = 5
open("/proc/21/status", O_RDONLY) = 6
open("/proc/22/cmdline", O_RDONLY) = 5
open("/proc/22/status", O_RDONLY) = 6
open("/proc/23/cmdline", O_RDONLY) = 5
open("/proc/23/status", O_RDONLY) = 6
open("/proc/25/cmdline", O_RDONLY) = 5
open("/proc/25/status", O_RDONLY) = 6
open("/proc/26/cmdline", O_RDONLY) = 5
open("/proc/26/status", O_RDONLY) = 6
open("/proc/27/cmdline", O_RDONLY) = 5
open("/proc/27/status", O_RDONLY) = 6
open("/proc/28/cmdline", O_RDONLY) = 5
open("/proc/28/status", O_RDONLY) = 6
open("/proc/30/cmdline", O_RDONLY) = 5
open("/proc/30/status", O_RDONLY) = 6
open("/proc/31/cmdline", O_RDONLY) = 5
open("/proc/31/status", O_RDONLY) = 6
open("/proc/32/cmdline", O_RDONLY) = 5
open("/proc/32/status", O_RDONLY) = 6
open("/proc/33/cmdline", O_RDONLY) = 5
open("/proc/33/status", O_RDONLY) = 6
open("/proc/35/cmdline", O_RDONLY) = 5
open("/proc/35/status", O_RDONLY) = 6
open("/proc/36/cmdline", O_RDONLY) = 5
open("/proc/36/status", O_RDONLY) = 6
open("/proc/37/cmdline", O_RDONLY) = 5
open("/proc/37/status", O_RDONLY) = 6
open("/proc/38/cmdline", O_RDONLY) = 5
open("/proc/38/status", O_RDONLY) = 6
open("/proc/40/cmdline", O_RDONLY) = 5
open("/proc/40/status", O_RDONLY) = 6
open("/proc/41/cmdline", O_RDONLY) = 5
open("/proc/41/status", O_RDONLY) = 6
open("/proc/42/cmdline", O_RDONLY) = 5
open("/proc/42/status", O_RDONLY) = 6
open("/proc/43/cmdline", O_RDONLY) = 5
open("/proc/43/status", O_RDONLY) = 6
open("/proc/45/cmdline", O_RDONLY) = 5
open("/proc/45/status", O_RDONLY) = 6
open("/proc/46/cmdline", O_RDONLY) = 5
open("/proc/46/status", O_RDONLY) = 6
open("/proc/47/cmdline", O_RDONLY) = 5
open("/proc/47/status", O_RDONLY) = 6
open("/proc/48/cmdline", O_RDONLY) = 5
open("/proc/48/status", O_RDONLY) = 6
open("/proc/49/cmdline", O_RDONLY) = 5
open("/proc/49/status", O_RDONLY) = 6
open("/proc/50/cmdline", O_RDONLY) = 5
open("/proc/50/status", O_RDONLY) = 6
open("/proc/51/cmdline", O_RDONLY) = 5
open("/proc/51/status", O_RDONLY) = 6
open("/proc/52/cmdline", O_RDONLY) = 5
open("/proc/52/status", O_RDONLY) = 6
open("/proc/53/cmdline", O_RDONLY) = 5
open("/proc/53/status", O_RDONLY) = 6
open("/proc/54/cmdline", O_RDONLY) = 5
open("/proc/54/status", O_RDONLY) = 6
open("/proc/55/cmdline", O_RDONLY) = 5
open("/proc/55/status", O_RDONLY) = 6
open("/proc/56/cmdline", O_RDONLY) = 5
open("/proc/56/status", O_RDONLY) = 6
open("/proc/57/cmdline", O_RDONLY) = 5
open("/proc/57/status", O_RDONLY) = 6
open("/proc/58/cmdline", O_RDONLY) = 5
open("/proc/58/status", O_RDONLY) = 6
open("/proc/59/cmdline", O_RDONLY) = 5
open("/proc/59/status", O_RDONLY) = 6
open("/proc/63/cmdline", O_RDONLY) = 5
open("/proc/63/status", O_RDONLY) = 6
open("/proc/64/cmdline", O_RDONLY) = 5
open("/proc/64/status", O_RDONLY) = 6
open("/proc/65/cmdline", O_RDONLY) = 5
open("/proc/65/status", O_RDONLY) = 6
open("/proc/66/cmdline", O_RDONLY) = 5
open("/proc/66/status", O_RDONLY) = 6
open("/proc/82/cmdline", O_RDONLY) = 5
open("/proc/82/status", O_RDONLY) = 6
open("/proc/83/cmdline", O_RDONLY) = 5
open("/proc/83/status", O_RDONLY) = 6
open("/proc/84/cmdline", O_RDONLY) = 5
open("/proc/84/status", O_RDONLY) = 6
open("/proc/85/cmdline", O_RDONLY) = 5
open("/proc/85/status", O_RDONLY) = 6
open("/proc/86/cmdline", O_RDONLY) = 5
open("/proc/86/status", O_RDONLY) = 6
open("/proc/87/cmdline", O_RDONLY) = 5
open("/proc/87/status", O_RDONLY) = 6
open("/proc/88/cmdline", O_RDONLY) = 5
open("/proc/88/status", O_RDONLY) = 6
open("/proc/89/cmdline", O_RDONLY) = 5
open("/proc/89/status", O_RDONLY) = 6
open("/proc/90/cmdline", O_RDONLY) = 5
open("/proc/90/status", O_RDONLY) = 6
open("/proc/91/cmdline", O_RDONLY) = 5
open("/proc/91/status", O_RDONLY) = 6
proc.num[apache2,www-data] [u|10]
+++ exited with 0 +++

**kloczek** · 22-10-2018, 09:37

proc.num[apache2,www-data] [u|10]

So it works

**ben maina** · 22-10-2018, 09:42

Yes. Was wondering why on zabbix its always 0

**zux** · 22-10-2018, 09:49

proc.num[apache2,www-data] - means - how many processes with name apache2 from user www-data running?
Is apache really running from user www-data?
You can try using just proc.num[apache2] to see if there are any processes at all.
Also, run
ps -aux | grep apache
to see what user is apache running as.

**ben maina** · 22-10-2018, 22:58

zux yes apache2 is running as www-data user.Also if i do proc.num[apache2] still output is 0 yet i can clearly see processes running for apache2

**zux** · 22-10-2018, 23:15

Can you add the output of:
ps aux | grep apache

**ben maina** · 23-10-2018, 08:57

zux here is the output:

ps aux | grep apache
root 6359 0.0 0.1 377240 33352 ? Ss Sep20 2:03 /usr/sbin/apache2 -k start
www-data 8293 0.0 0.0 380760 17160 ? S 06:25 0:00 /usr/sbin/apache2 -k start
www-data 8294 0.0 0.0 381100 22556 ? S 06:25 0:00 /usr/sbin/apache2 -k start
www-data 8295 0.0 0.0 380760 18024 ? S 06:25 0:00 /usr/sbin/apache2 -k start
www-data 8296 0.0 0.0 381100 22776 ? S 06:25 0:00 /usr/sbin/apache2 -k start
www-data 8297 0.0 0.0 380800 19088 ? S 06:25 0:00 /usr/sbin/apache2 -k start
www-data 10190 0.0 0.0 380760 20564 ? S 06:35 0:00 /usr/sbin/apache2 -k start
www-data 13252 0.0 0.0 381100 21960 ? S 09:54 0:00 /usr/sbin/apache2 -k start
root 13877 0.0 0.0 14224 940 pts/0 S+ 09:57 0:00 grep --color=auto apache

**ingus.vilnis** · 23-10-2018, 09:21

proc.num[,,,apache2]

**ben maina** · 23-10-2018, 09:33

ingus.vilnis With that still the output is 0. on zabbix UI the type am using to monitor is zabbix agent (active) i hope that is okay too.Find screenshot attached to ocunter check if i have done everything correctly.

Attached Files

**zux** · 23-10-2018, 09:40

I'm starting to think, that the host you are trying to monitor and the one you are getting data from are different. If the hostname is not configured exactly the same way in agent and server, this can happen.
To be completely sure that you are monitoring the correct host, I would recommend renaming this host to something absolutely unique in both, the server and agent (agent needs to be restarted after that.

**ingus.vilnis** · 23-10-2018, 09:40

With the active check you should wait at least few minutes before checking for the values to arrive.

Item configuration is fine with one exception that setting the update interval to 1 second is not the best practice. 1 minute would be much more appropriate.

If you have access to the command line the you can try executing

Code:

zabbix_agentd -t proc.num[,,,apache2]

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Proc.Num returns 0 in zabbix 3.4.11

Proc.Num returns 0 in zabbix 3.4.11

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