About Ubuntu 16.04 beta
I was about to do a fresh install of 14.04 LTS, but I just saw that 16.04 will be released in less than a month. If I were to install 16.04 beta now, would it be easy to upgrade to the official release in April? Also, how stable is the current beta2 build? Is installing it substantially risky despite it being so late in the development cycle? asked Mar 25, 2016 at 5:07 2 In my experience, the beta version of Ubuntu will either upgrade automatically to the release or ask you if you want to do so via the update manager, once the release comes out. But be warned: the updated version may be "eccentric" if you don't do a fresh install of the release version. answered Mar 25, 2016 at 5:34 DaneMDaneM3762 silver badges5 bronze badges 4 You must log in to answer this question. Start asking to get answers Find the answer to your question by asking. Ask question Explore related questions See similar questions with these tags.
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Observium is an open source, low-maintenance, auto-discovering network monitoring tool for operating systems and network hardware. It supports Linux and Windows operating systems and network hardware like Cisco, Juniper, Brocade, Foundry, HP.Observium is based on AMP (Apache, MySQL, and PHP) stack and it collects the monitoring metrics via SNMP protocol. It uses RRDtool to make a graph of metrics collected from SNMP. Observium can also collect data using CDP, FDP, LLDP, OSPF, BGP, and ARP protocols.Observium comes with a simple yet powerful interface to monitor devices, and it’s alerting system can be highly customized to receive alerts over an email, IRC, slack and more.This tutorial covers the installation of Observium on CentOS 7 / Ubuntu 16.04 / Debian 9 and collecting usage metrics from Linux machines via SNMP protocol.PrerequisitesLog-in as the root user or switch to root user as commands we run during the installation process requires root privilege.su -ORsudo su -We first install Webtatic, OpenNMS, and EPEL repositories on CentOS 7 / RHEL 7.rpm -ivh -ivh -ivh and Configure MySQL / MariaDBAs I said, Observium needs AMP stack, so install MariaDB as a database server, a fork of MySQL.### CentOS 7 / RHEL 7 ###yum -y install mariadb-server mariadb### Ubuntu 16.04 ###apt-get updateapt-get -y install mysql-server mysql-client### Debian 9 ###apt-get updateapt-get -y install mariadb-server mariadb-clientTo start MariaDB, run:### CentOS 7 / RHEL 7 ### systemctl start mariadb### Debian 9 / Ubuntu 16.04 ###systemctl start mysqlIn Ubuntu 16.04, the installer will prompt you for setting the MySQL root password.To stop MariaDB, run:### CentOS 7 / RHEL 7 ###systemctl stop mariadb### Debian 9 / Ubuntu 16.04 ###systemctl stop mysqlTo restart MariaDB, run:### CentOS 7 / RHEL 7 ###systemctl restart mariadb### Debian 9 / Ubuntu 16.04 ###systemctl restart mysqlTo check the status of MariaDB, run:### CentOS 7 / RHEL 7 ###systemctl status mariadb### Debian 9 / Ubuntu 16.04 ###systemctl status mysqlTo autostart at system startup, run:### CentOS 7 / RHEL 7 / Debian 9 ###systemctl enable mariadb### Ubuntu 16.04 ###systemctl enable mysqlOnce the MySQL / MariaDB installation is complete, run mysql_secure_installation command to secure the database server.Create Database for Observiumlogin to MySQLmysql
