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Archive for February, 2019

Free IPA Replication Verification Tool

There is a tool available that does a verification of the replication of each FreeIPA host: yum install git -y; git clone https://github.com/peterpakos/checkipaconsistency.git # ./cipa -d mws.mds.xyz -W "SECRET" +——————–+————+————-+——-+ | FreeIPA servers:   | idmipa03   | idmipa04    | STATE | +——————–+————+————-+——-+ | Active Users       | 1       […]

Zabbix: [Z3001] connection to database ‘zabbix’ failed: [2003] Can’t connect to MySQL server on ‘mysql-01.abc.xyz.123’ (13)

Zabbix error: [Z3001] connection to database ‘zabbix’ failed: [2003] Can't connect to MySQL server on 'mysql-01.abc.xyz.123' (13) related to: audit.log:type=AVC msg=audit(1549949080.977:11328): avc:  denied  { name_connect } for  pid=9115 comm="zabbix_server" dest=3306 scontext=system_u:system_r:zabbix_t:s0 tcontext=system_u:object_r:mysqld_port_t:s0 tclass=tcp_socket is solved by: # grep AVC /var/log/audit/audit.log | audit2allow -M systemd-allow; semodule -i systemd-allow.pp Cheers, TK

Zabbix: cannot start preprocessing service: Cannot bind socket to “/var/run/zabbix/zabbix_server_preprocessing.sock”: [98] Address already in use.

Zabbix error:  10272:20190212:003104.073 cannot start preprocessing service: Cannot bind socket to "/var/run/zabbix/zabbix_server_preprocessing.sock": [98] Address already in use.  10239:20190212:003104.078 One child process died (PID:10272,exitcode/signal:1). Exiting … related to: # cat ../audit/audit.log|grep -Ei denied|tail type=AVC msg=audit(1549949530.062:12551): avc:  denied  { unlink } for  pid=10521 comm="zabbix_server" name="zabbix_server_preprocessing.sock" dev="tmpfs" ino=3998803 scontext=system_u:system_r:zabbix_t:s0 tcontext=system_u:object_r:zabbix_var_run_t:s0 tclass=sock_file is solved by: # grep AVC /var/log/audit/audit.log* […]

Zabbix: cannot set resource limit: [13] Permission denied

Zabbix error:  10587:20190212:003514.676 using configuration file: /etc/zabbix/zabbix_server.conf  10587:20190212:003514.676 cannot set resource limit: [13] Permission denied relates to: [root@host01 zabbix]# cat ../audit/audit.log|grep -Ei denied|tail type=AVC msg=audit(1549949714.675:12570): avc:  denied  { setrlimit } for  pid=10587 comm="zabbix_server" scontext=system_u:system_r:zabbix_t:s0 tcontext=system_u:system_r:zabbix_t:s0 tclass=process [root@host01 zabbix]# and is solved by: [root@host01 zabbix]# grep AVC /var/log/audit/audit.log* | audit2allow -M systemd-allow; semodule -i systemd-allow.pp Cheers, […]


     
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