Tagged “Linux”

• Configure a Desktop with Puppet

  19 March 2018 #Linux #CentOS #i3wm #Puppet #Vim #XRDP
  

  This post will describe how to setup a Linux desktop from a minimal CentOS 7 installation. Manually configuring all the software for a sysadmin is time-consuming and error-prone. We'll be using Puppet 5 to help automate some of this.

  • Install EPEL repo, netcat, tcpdump, wget, git, and other tools
  • Install ssh-agent script
  • Install powerline statusbar for various utilities
  • Install vim plugins (solarize, vim-puppet, syntastic, and snipmate)
  • Install i3 window manager
  • Install xrdp remote desktop server
  • Install PasswordSafe
  • Install Google Chrome and bookmarks

  TODO: Add awscli and docker

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• Installing WordPress using Puppet

  10 March 2018 #Linux #CentOS #WordPress #Puppet #Hiera #MySQL #PHP #Apache #SELinux
  

  This post describes how to setup a basic web site running WordPress using Puppet 5. It assumes you are already running a Puppet server and you are using r10k with roles and profiles. This code was tested on CentOS 7.

  TODO: Remove override attribute/add apache rewrite rules. Add Certbot.

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• OSPF over VPN with VyOS

  23 August 2014 #Linux #Networking #VyOS #GRE #IPSec #OSPF #VPN
  

  VyOS is a Linux-based firewall. It supports IPsec VPN, GRE tunnels, and the OSPF routing protocol. These features allow dynamic routing information to be exchanged between different private networks over a site-to-site VPN. More information on VyOS can be found here.

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• Configuring a Yealink Phone for Asterisk

  19 February 2013 #Linux #Networking #Asterisk #PowerConnect #SIP #VLAN #VoIP #YeaLink
  

  The Yealink SIP-T38G is a VoIP desk phone with two gigabit Ethernet ports. One port connects to the switch and the other connects to a user's PC. The PC port can be configured to act as a bridge so the phone and PC share the same physical network connection. Ethernet frames containing voice traffic are tagged and placed on a separate VLAN.

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• Raspberry Pi Media Player

  28 December 2012 #Linux #Raspberry PI #RPi
  

  The Raspberry Pi Model B is a $35 computer about the size of a deck of playing cards. It contains an ARM11 processor running at 700Mhz (overclockable), 512MB RAM, HDMI port, SD card slot, USB ports, and a RJ45 network adapter. Its low power consumption and ability to play some HD video make it a viable option for a budget HTPC. For more information about the Raspberry Pi, check out their web site.

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• Server Virtualization with CentOS

  08 November 2012 #Linux #CentOS #libvirt
  

  CentOS Linux includes KVM and other software needed for managing virtual machines. This post shows how to create a virtual machine with an iSCSI storage backend.

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