Category Archives: Linux

More Services for the Lab Server

After setting up TACACS+ and FreeRADIUS I decided to go ahead and add more services to my main test lab server. I am using CentOS in the lab, and decided to add a syslog server and an FTP server to … Continue reading

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General Purpose Lab Server

I have a number of servers in the lab, but my main server is a jumpbox that straddles the lab and our network named TLTS1. I wanted to be able to really test authentication in the lab so I decided … Continue reading

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Webmail with SSL Certificates

This stack is part of a larger project that I created nearly ten years ago. I am on the fourth rewrite of this for some internal email. We are in the process of migrating from Cyrus and Squirrelmail to Dovecot … Continue reading

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Linux NAT with a Web Interface

In 2006 I wrote a web interface for Linux NAT tables. It was not pretty, but it moved NAT from the core routers or firewalls onto a server that the PC Techs could manage. The goal was to push management … Continue reading

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ELK Stack

My basic configuration. rsyslog –> Logstash –> Elasticsearch –> Kibana with GeoIP At this time I do not plan to proxy Kibana with Nginx. The goal here is to keep the setup and configuration as simple as possible. Versions: CentOS … Continue reading

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Linux iSCSI Multipath on NetApp

Linux iSCSI multipath on NetApp Install the iSCSI and multipath rpms. A little note about initiator naming. I tried to change mine to be similar to how we set up targets on Linux and fumbled around for hours. When I … Continue reading

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Fighting Multipath

2013-11-19 08:44:59 [root@chevelle ~]# cat /etc/multipath/bindings # Multipath bindings, Version : 1.0 # NOTE: this file is automatically maintained by the multipath program. # You should not need to edit this file in normal circumstances. # # Format: # alias … Continue reading

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