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    Running latest Apache 2.4 with PHP 7.0 on CentOS 6

    by Mitch April 14, 2016, 15:50 5 Comments

    Have you tried running latest Apache 2.4 with PHP 7.0 on CentOS 6? Last time i ran into trouble when a customer asked me to update Apache from 2.2.X to 2.4.X running on CentOS 6 with addition of keeping the PHP operational. I’ve checked third party repositories for Apache 2.4 RPMs so i would not […]

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    Tagged with: apache, centos6, configure, install, php

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    Running Nagios Core 4.1.1. on CentOS 7

    by Mitch April 6, 2016, 09:03 0 Comments

    This is the latest post on how to install Nagios Core 4.1.1. on latest CentOS 7.2 linux. Nagios is well known as a great monitoring tool which can be quite scalable and really undemanding from resource point of view. Nagios configuration can be a bit mind boggling at first, but gets easier after some usage. Nagios is […]

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    Tagged with: centos7, install, nagios

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    Extend SNMP – Run bash scripts via SNMP

    by Mitch February 18, 2016, 15:38 8 Comments

    You probably use some kind of monitoring tools to keep an eye out on your machines and you also probably implemented this monitoring via SNMP to avoid installing additional agents on your machines – so did i. And now you want to implement additional customized monitoring checks and you found out you need to extend […]

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    Tagged with: bash, centos6, centos7, configure, snmp

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    Zenoss – User-supplied Python expression ((here.speed or 1e9) / 8 * .75) for maximum value caused error

    by Mitch November 18, 2015, 11:50 1 Comment

    Recently i have set up a Zenoss monitoring server in an Microsoft environment. Best way i have found for monitoring Windows machines is via Windows Remote Management Service and i also wrote a post on this “Add Windows Client to Zenoss Monitoring“. But in my latest installation and configuration of Zenoss i have stumbled upon a […]

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    Tagged with: centos6, centos7, debug, ubuntu, zenoss

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    PostgreSQL Synchronous Streaming Database Replication

    by Mitch August 10, 2015, 14:42 6 Comments

    PostgreSQL is a great advanced open source database. It offers many features, one of them being database replication. PostgreSQL 9.4 offers many different solutions to the replication problems, each one of them having it’s number of up’s and down’s. In the end it is up to the system or database administrator to decide which solution […]

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    Tagged with: centos6, centos7, database, postgresql.configure

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    Install PostgreSQL 9.4 on CentOS 7

    by Mitch August 4, 2015, 12:02 2 Comments

    PostgreSQL is a database server. It is an object-relational database management system and it’s main purpose is to store data. PostgreSQL calls itself “The world’s most advanced open-source database”. It is a fact that MySQL andPostgreSQL are two most popular open-sourcerelation database management systems (RDMS). It is up to you to choose the one you like the […]

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    Tagged with: centos7, install, postgresql

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    Logs Filled Up My Disk – What To Do

    by Mitch July 29, 2015, 12:55 0 Comments

    A couple days ago i received an alert that one of the disks on our linux production machines is filling up very quickly. It was the application server machine and the logging partition was running out of space rapidly. Logs filled up my disk How logs filled up my disk Gladly the log files are […]

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    Tagged with: centos6, centos7, debug, ubuntu

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    Bash Aliases and SUDO – sudo: ll: command not found

    by Mitch July 22, 2015, 13:16 0 Comments

    I really like to do work on my Linux systems as “root”, to get things done quickly and without any hassle. Yeah i know, bombs away, it is not OK or safe or whatever to use “root” user for everyday things but mainly it is not OK from the auditing point of view. Customers really dislike it […]

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    Tagged with: bash, centos6, centos7, sudo

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    Rescan SCSI bus on Linux System

    by Mitch July 21, 2015, 12:54 0 Comments

    SCSI stands for Small Computer System Interface and is a set of standards for transferring data and connecting devices and computers. Sometimes you make changes to disk devices on your Linux box while online which is even more often nowadays using virtual machines. Sometimes you also add a new disk and do not want to […]

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    Tagged with: centos6, centos7, scsi

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    Configure Postfix Mail Forward

    by Mitch April 2, 2015, 13:49 4 Comments

    I am running a Postfix with Dovecot for my emails and also make email accounts for my friends from time to time. So last night a friend of mine asked me to configure an email account for him and forward the emails to his gmail account. It is really easy and quick to Configure Postfix […]

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    Tagged with: centos6, centos7, configure, dovecot, email, postfix

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    Manage and Configure YUM Repository

    by Mitch March 12, 2015, 15:17 0 Comments

    YUM Repositories are warehouses of RPM package files. RPM file is a Red Hat Package Manager file and enables quick and easy software installation on Red Hat/CentOS Linux distributions. YUM Repositories hold a number of RPM package files and enable your server to download and new software. YUM Repositories can hold RPM package files locally […]

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    Tagged with: centos6, centos7, configure, yum

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    Configure Password Policy on CentOS 6

    by Mitch March 9, 2015, 13:15 3 Comments

    Configuring Password Policy on CentOS 6 About Password Policy Password policy is a set of rules that must to be satisfied when setting a password. Password policy is an important factor in computer security, specially since user passwords are too often the main reason for computer system security breaches. This is why most companies and […]

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    Tagged with: centos6, centos7, configure, security, user

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