Rsyslog : Output Logs to Databases2020/02/10 |
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Configure Rsyslog to output logs to Databases.
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| [1] |
It's possible to select a database from some mainly used products,
this example shows to configure with MariaDB,
so Install and start MariaDB server, refer to here.
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| [2] | Create a user and Database for Rsyslog. |
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[root@dlp ~]#
[root@dlp ~]# dnf -y install rsyslog-mysql mysql -u root -p < /usr/share/doc/rsyslog/mysql-createDB.sql Enter password: [root@dlp ~]# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 18 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. # create [rsyslog] user and grant privileges to Syslog DB (set any password for 'password' section) MariaDB [(none)]> grant all privileges on Syslog.* to rsyslog@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye |
| [3] | Configure Rsyslog to output logs to database. |
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[root@dlp ~]#
vi /etc/rsyslog.conf # line 39: add module(load="ommysql")
# for example, output logs for [authpriv.*] # how to wite ⇒ :ommysql:Host,DB,DBUser,DBPassword authpriv.* :ommysql:localhost,Syslog,rsyslog,password
systemctl restart rsyslog
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| [4] | After configuration of above, some logs of kinds of authentication are recorded in Database like follows. |
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[root@dlp ~]# mysql -u rsyslog -p Syslog Enter password: Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 25 Server version: 10.3.17-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [Syslog]> show tables; +------------------------+ | Tables_in_Syslog | +------------------------+ | SystemEvents | | SystemEventsProperties | +------------------------+ 2 rows in set (0.000 sec) MariaDB [Syslog]> select ReceivedAt,Facility,Priority,FromHost,Message from SystemEvents; +---------------------+----------+----------+----------+-------------------------------------------------------------------------+ | ReceivedAt | Facility | Priority | FromHost | Message | +---------------------+----------+----------+----------+-------------------------------------------------------------------------+ | 2020-02-05 19:12:59 | 10 | 6 | dlp | Received signal 15; terminating. | | 2020-02-05 19:12:59 | 10 | 6 | dlp | Server listening on 0.0.0.0 port 22. | | 2020-02-05 19:12:59 | 10 | 6 | dlp | Server listening on :: port 22. | | 2020-02-05 19:14:26 | 10 | 6 | node01 | Accepted password for cent from 10.0.0.51 port 48960 ssh2 | | 2020-02-05 19:14:26 | 10 | 6 | node01 | pam_unix(systemd-user:session): session opened for user cent by (uid=0)| | 2020-02-05 19:14:26 | 10 | 6 | node01 | pam_unix(sshd:session): session opened for user cent by (uid=0) | | 2020-02-05 19:14:26 | 10 | 6 | node01 | Received disconnect from 10.0.0.51 port 48960:11: disconnected by user | | 2020-02-05 19:14:26 | 10 | 6 | node01 | Disconnected from user cent 10.0.0.51 port 48960 | | 2020-02-05 19:14:26 | 10 | 6 | node01 | pam_unix(sshd:session): session closed for user cent | +---------------------+----------+----------+----------+-------------------------------------------------------------------------+ 30 rows in set (0.000 sec) |
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