Networking, system administration and more
Networking, system administration and more
Networking, system administration and more
These are the steps for deployment of the Juniper vRR (virtual route reflector) on Proxmox VE. For those not unaware, the virtual route reflector gives you the full policy capability of JunOS for routes without the actual forwarding engine. The route reflectors can then be configured using existing configuration tools […]
Read moreAn often overlooked feature of the OpenSSH client is the ControlMaster feature. This feature allows multiple sessions to share a single TCP connection. This results in fast session startup and single sign on. There are many web pages which explain the feature in more detail which is not the point […]
Read moreDNSControl is a fantastic tool to manage DNS records, especially if there are multiple DNS zones being managed: DNS records in plain text files allowing them to be stored in a VCS of your choice Records are vendor agnostic; switch from one DNS provider to another without having to import/export […]
Read moreAfter making a change to a GitLab configuration file I ran the gitlab-ctl reconfigure command and got this error: GitLab is managing the SSL certificates from LetsEncrypt using ACME in this case. Checking the existing certificate I could see that it was working up until recently so it seems to […]
Read moreI had written a packet capture with tcpdump into a file for future analysis. The interface the capture was taken on had multiple VLAN’s trunked. When I got around to analyzing the file, I found I could read the it with no issues at all using no filter: However, the […]
Read moreOn my Linux desktop, I prefer to use KeePassXC with libsecret integration. After installing Skype and rebooting, I noticed KeePassXC secret service integration broke. One of the dependencies pulled in with Skype is gnome-keyring. When I checked in KeePassXC, the secret service integration page shows that another service is running […]
Read moreThe dnsdist web server and API at the time of writing does not have the ability to use TLS to secure traffic. Recently this was brought up on the dnsdist mailing list in the thread here. The solution mentioned on the mailing list by Stephane Bortzmeyer was using stunnel; personally […]
Read moreI needed to temporary ‘steal’ an interface from a server for other purposes. The problem is the interface was one of two interfaces used in an Open vSwitch bond. I found a couple of ways to remove it, but my goal was to do it with either no service interruption […]
Read moresystemd can provide a service named resolved to handle DNS resolution. This service can handle DNS over TLS, DNSSEC validation, DNS caching, Multicast DNS resolution and more. Depending on the Linux distribution, resolved may be used by default. On these systems there should be a symlink from /etc/resolv.conf to a […]
Read moreAccessing the Java Dell iDRAC 6 virtual console in 2021 is very painful; various Java security enhancements have ensured that the legacy iDRAC console connections will no longer be working. To fix this there is a simple work around – the old encryption algorithms need to be allowed in the […]
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