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NOTE: I originally published this page in 2018; instructions may now be out of date. Recent releases of the Juniper vMX (18.1 onwards) support dual routing engines when using KVM as the virtualisation technology. One or both of the routing engines do not need to be configured on the same […]
Read moreWith VMWare 6.7U1 now released I decided to upgrade a small cluster of servers to the new release. As I run VMWare vCenter (the appliance version) I also wanted to upgrade that. The first issue I can into is the appliance showed no updates available. From the “Update” tab on […]
Read moreIn my network, a Juniper SRX cluster handles all DHCP leases (via an IP helper configured on the switches with DHCP snooping). These are the steps I used to get the DHCP server for SRX devices to work for Windows Deployment Services. Main DHCP Configuration The following configuration is set […]
Read moreBy default, the Ubiquiti Unifi controller runs on port 8443 for inbound HTTPS requests to the web interface. I instead wanted to change this to listen on the standard HTTPS port (443) and I wanted my own valid SSL to be used to access the web interface. The easiest way […]
Read moreTo configure CentOS 7 to use Active Directory as an authentication source sssd will be used. The sssd setup is greatly simplified using realmd, only basic manual configuration has to be added. Install Packages Install the required packages with yum: Join to Domain Join the host to the domain with […]
Read moreCentOS servers are supported by the Dell Linux software repository. Adding the repository will let you install and keep up to date things like the Dell iDRAC Service Module as well as Dell OMSA. Yum Repository First run the bootstrap script that Dell provides on the Dell EMC System Update […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. One of the new features for the vMX introduced in 17.4R1 is the virtual MS-MPC (known as the vMS-MPC). This allows you to run services such as NAT and stateful firewall on a virtual MX […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. The Juniper vMX product doesn’t include any init scripts or systemd unit files. You cannot also just set the VM’s to autostart with virsh since the VM’s are added and started with the vmx.sh shell […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. If you will be creating GRE tunnels on a Juniper vMX device you will first need to enable the tunnel services. If you do not do this you will not have any GRE interfaces available […]
Read moreNOTE: I originally published this page in 2018; instructions may now be out of date. If you will be using IPSEC on a Juniper vMX router you will need to enable the adaptive services interface. This is not enabled by default. Once enabled the adaptive services interface will be present […]
Read more