Networking, system administration and more
Networking, system administration and more
NOTE: I originally published this page in 2018; instructions may now be out of date. These steps will help you install a Juniper vMX device on KVM. The steps assume you have already deployed a KVM host with all of the requirements that the vMX needs. If you did not […]
Read moreNOTE: This guide is being left in place for legacy reasons. I do not recommend deploying Ubuntu 14.04 for the vMX, instead I would suggest Ubuntu 16.04 with release 18.2 or 18.3 of the vMX. This setup guide will help you setup and prepare a host running Ubuntu 14.04 to […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. This setup guide will help you setup and prepare a host running CentOS to run the Juniper vMX product. This guide makes some assumptions about your environment: You want to use SR-IOV for better performance. […]
Read moreSome load balancers may require you to create a loopback interface on a Windows server or servers. The loopback device then gets the load balanced IP added to it; that IP is used for the inbound load balanced connections. The loopback adapter is used so that no ARP replies are […]
Read moreThese are the steps I used to get the Juniper SRX user firewall feature working with Active Directory. The end result is I can apply firewall policies based on the username of a user or the group of a user. NOTE: JunOS 17.4R1 or above is required for this feature […]
Read moreThese are the steps I used to upgrade a Juniper vSRX cluster with minimal downtime. The Juniper vSRX cluster was running on ESXi, the upgrade was from 15.1X49-D120.3 to 17.4R1. The upgrade was done to get some new features for the user firewall (IPv6 support). The basic cluster upgrade process […]
Read moreMy Juniper SRX devices are configured to send packet captures to a Linux server for further analysis. I have the Linux server exporting its share via NFS which I mount on my PC, that allows me to then browse through the packet captures of attacks using my PC directly and […]
Read moreTo install the Juniper vSRX appliance on ESXi 6/6.5, the following things needed to be done. Initial Installation/VM Setup Deploy the OVA file as usual. Once the OVA has been deployed, edit the VM settings (right click the VM -> Edit Settings). Make sure you are using the Flash client […]
Read moreThese steps will get RADIUS authentication working for a Dell switch. After this is configured, you will be able to login to the switch (SSH/HTTP(S)/telnet etc.) using credentials that are validated by your RADIUS server. Switch Configuration These configuration settings are all set on the switch. Generic These steps should […]
Read moreIf you are running VMware ESX/vSphere with a Linux VM that is running out of disk space it is usually a trivial task. Assuming you have a simple partition layout like this: /dev/sda1 – 128M – /boot /dev/sda2 – 2G – swap /dev/sda3 – 25G – / If you want […]
Read more