Changes between Version 18 and Version 19 of Nmm2022/Agenda/oxidize

Timestamp:

Jul 14, 2022, 3:48:06 AM (2 years ago)

Author:

dushmantha

Comment:

--

Nmm2022/Agenda/oxidize

@@ -10 +10 @@
 •  Configured PFsense VM. '''If PFsense in your setup is incomplete''', replace it with this VM and adjust network configurations if required. We recommend using the wired network as much as possible. [https://docs.learn.ac.lk/index.php/s/xNKnIMShvRdUFWV]
 
-2. Ubuntu 20.04 Server with LibreNMS installed (Use this provided VM to replace '''Monitoring_Server''' in your setup [https://docs.learn.ac.lk/index.php/s/WmuORn2bAnU7yNY])[[BR]]
+2. Ubuntu 20.04 Server with LibreNMS installed (Use this provided VM to replace '''Monitoring_Server''' in your setup [https://docs.learn.ac.lk/index.php/s/yWmI7pZCIV8lf9o])[[BR]]
 
 3. Gmail account with 2-Step Verification ''On''.
@@ -30 +30 @@
 }}}
 
+You may run '''oxidized''' command (below last command) 2 to 3 times to generate all configurations. It is recommended '''not to''' run oxidized as root.
+
+{{{
+useradd -s /bin/bash -m oxidized
+su - oxidized
+oxidized
+}}}
+
+
 '''LibreNMS Integration'''
 
@@ -59 +68 @@
 '''Oxidized Configuration'''
 
-Create the oxidized user.
-
-{{{
-useradd -s /bin/bash -m oxidized
-sudo su - oxidized
-oxidized
+Open oxidized main configuration file.
+
+{{{
+su - oxidized
 nano .config/oxidized/config
 }}}
@@ -180 +187 @@
 '''Postfix Installation'''
 
-Postfix will be installed to have an email notification of configuration changes.
+Postfix will be installed to have an email notification of configuration changes. Run the following commands as root user.
 
 {{{
@@ -186 +193 @@
 }}}
 
-Select ''Internet Site'' to enable Postfix to sent and receive mails and press ''Enter'' to proceed.
-
-Put a suitable ''domain name'' for ''System mail name'' and proceed. 
+Select ''Internet Site'' (default option) to enable Postfix to sent and receive mails and press ''Enter'' to proceed.
+
+[[Image(internet site.png, 700px)]][[BR]]
+
+Put '''oxidized.learn.com''' for ''System mail name'' and proceed. 
+
+[[Image(mail name.png, 1700px)]][[BR]]
 
 '''Gmail Configuration'''
@@ -210 +221 @@
 }}}
 
-Go through file carefully and add / update the necessary lines as below. Don't fully remove any default line. Some default lines are also depicted in the below configuration to aid positioning lines in the correct place.
+Go through file carefully and add / update the necessary lines as below. Don't fully remove any default line. Some default lines are also depicted in the below configuration to aid positioning lines in the correct place. 
 
 {{{
@@ -222 +233 @@
 smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
 
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
+myhostname = oxidized
 alias_maps = hash:/etc/aliases
 alias_database = hash:/etc/aliases
 myorigin = /etc/mailname
+mydestination = $myhostname, oxidized.learn.com, oxidized, localhost.localdomain, localhost
 relayhost = [smtp.gmail.com]:587
 mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
@@ -251 +265 @@
 postmap /etc/postfix/sasl_passwd
 systemctl restart postfix
-}}}
-
-Check email sending. Replace '''oxidizedfor''' accordingly. 
+apt install mailutils
+}}}
+
+Check email sending. Replace '''oxidizedfor''' accordingly. Check the gmail inbox (also the spam folder). You may have to refresh your gmail inbox several times. 
 {{{
 echo "Test Postfix Gmail SMTP Relay" | mail -s "Postfix Gmail SMTP Relay" oxidizedfor@gmail.com
 }}}
+
 An email will be sent to the Gmail account after a saved configuration change, when Oxidized get refreshed.