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Engineering Operations

Firewall HA setup with Juniper NS50s

Firewall HA setup with Juniper NS50s

One item I’ve done repeatedly while doing network consulting services is configuring high availability (HA) networks. The recommended way is Virtual Router Redundancy Protocol (VRRP). This requires that you have two firewalls for every location and they run in...

How to Keep Your Linux Servers Up to Date

How to Keep Your Linux Servers Up to Date

One of the most important aspects of our Linux server management service is operating system patching. With Windows, Microsoft has made this trivial by means of the Windows Update utility. Microsoft is the single source of the patches, and assuming that the patches...

CAPA:  A Review of 21 C.F.R. §820.100 and FDA Warning Letter Trends

CAPA: A Review of 21 C.F.R. §820.100 and FDA Warning Letter Trends

SPK and Associates routinely review warning letters to help our clients stay in step with FDA trends.   One of the problem areas most often cited in company audits continue to be the CAPA system/program.   This month we will take a look at some of the latest FDA...

How to Create Google Charts with Python

How to Create Google Charts with Python

The goal of a typical system administrator is to get a job or task done as quickly as possible, without worrying about how elegant a solution might be.  Reusing any existing scripts, tools, or utilities are always the first line in tackling the job.  Often times, the...

How to setup a weekly backup job with Bacula

How to setup a weekly backup job with Bacula

In my last post, I gave an overview of Bacula, the enterprise-level free backup software. For this post I wanted to dig into the software a bit more and show how simple it is to setup a weekly backup job. One of the first things we do at SPK when working with a new...

How to setup basic Windows monitoring with Nagios

How to setup basic Windows monitoring with Nagios

In my previous blog post, I talked about how to setup NSClient++ for Windows which is very solid Nagios NRPE client. In this post, I'll describe how to setup some basic checks for your Windows server within Nagios and hopefully give you some ideas on what you should...

WebInject Scripting to Perform Advanced Monitoring

WebInject Scripting to Perform Advanced Monitoring

Nagios is a wonderful tool. However, there are limits to what you can do with it directly. As my colleague Brad discussed in a recent blog post, using NRPE is a powerful tool for Windows. For complicated web checks that require multi-step operation, we use: WebInject....

How to Backup an ESXi Server with GhettoVCB

How to Backup an ESXi Server with GhettoVCB

VMWare is wonderful for getting full utilization of scarce resource.  However, if you're on a limited budget, affording ESX clustered hosts for all needs is overkill.  Sometimes a free ESXi server is enough. In the latter, we ran into challenges doing backups. ...

How to Upgrade a DB2 Database Server from 8.2 to 9.1

How to Upgrade a DB2 Database Server from 8.2 to 9.1

DB2 is one of the best databases available today for the money and features. It also offers a relatively easy upgrade from 8.2 to 9.1 database versions.  The primary issue was finding which level of DB2 that other application vendors all supported. The attached...