Since I’v made a post where “SolarWinds” is mentioned… and some weird stuff is popping up regarding SolarWinds….

Continue reading SolarWinds →

GD Library Error: imagecreatetruecolor does not exist – please contact your webhost and ask them to install the GD library

yum install rh-php73-php-gd
service rh-php73-php restart

.responsive-video {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 60px; overflow: hidden;
}

.responsive-video iframe,
.responsive-video object,
.responsive-video embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

<div class="responsive-video">
    <iframe ></iframe>
</div>

as seen on https://stackoverflow.com/questions/25228056/responsive-iframe-using-bootstrap

https://check-your-website.server-daten.de/

Add the Icinga repository to your package management configuration

yum install https://packages.icinga.com/epel/icinga-rpm-release-7-latest.noarch.rpm

Install & start icinga2

yum install icinga2
systemctl enable icinga2
systemctl start icinga2

Install check plugins

yum install nagios-plugins-all

After this install you might have to reboot the server to ensure gnutls are properly updated.

SELinux

Check SELinux status

sestatus

Install icinca SELinux policy

yum install icinga2-selinux

Nano Syntax Highlighting

yum install nano-icinga2

Icinga Web 2

Install maria db

yum install mariadb-server mariadb
systemctl enable mariadb
systemctl start mariadb
mysql_secure_installation

Create & grant previleges

CREATE DATABASE icinga;
GRANT SELECT, INSERT, UPDATE, DELETE, DROP, CREATE VIEW, INDEX, EXECUTE ON icinga.* TO 'icinga'@'localhost' IDENTIFIED BY 'passswwwwooorrrddd';
quit

Import mysql schema

mysql -u root -p icinga < /usr/share/icinga2-ido-mysql/schema/mysql.sql

Edit mysql confs

nano /etc/icinga2/features-available/ido-mysql.conf

Enable ido mysql

icinga2 feature enable ido-mysql
systemctl restart icinga2

Install web

Apache

yum install httpd
systemctl enable httpd
systemctl start httpd

(falta firewall / iptables)

Icinga 2 REST API

icinga2 api setup

It creates the root user & a auto-generated password

nano /etc/icinga2/conf.d/api-users.conf

Add icingaweb2 user

nano /etc/icinga2/conf.d/api-users.conf

Add the following code – be sure you change the password from this example

object ApiUser "icingaweb2" {
  password = "PASSSSSSWOOORDDDDD"
  permissions = [ "status/query", "actions/*", "objects/modify/*", "objects/query/*" ]
}

Installing Icinga Web 2

yum install centos-release-scl

yum install icingaweb2 icingacli

Enable PHP FPM

systemctl start rh-php71-php-fpm.service
systemctl enable rh-php71-php-fpm.service

Generate icinga token

icingacli setup token create

Restart httpd

service httpd restart

Icinga Web 2

You should be able to access icinga web 2, using your server ip address and /icingaweb2/

• 

Setup token was previously generated, and you can see it using

icingacli setup token show

The directory /etc/icingaweb2 is not writable

chcon -R -t httpd_sys_rw_content_t /etc/icingaweb2/

You are using (probably) database icinga.
You need to create a new database (for example icinga_web2) with the proper user permissions,

Monitoring IDO Resource

User icinga (first table created) for Monitoring IDO Resource

mysql.schema.sql failed to open stream

You can find the mysql.schema.sql at https://github.com/Icinga/icingaweb2/blob/master/etc/schema/mysql.schema.sql.
You can download and import the file to that location… or import through mysql.

HOORAY!

I had Asset CleanUp: Page Speed Booster installed & active, and the minification was causing this issue.

https://github.com/woocommerce/woocommerce-gateway-paypal-express-checkout/issues/558