This post lists a few configuration examples for Cambium Switch TX1012. Trunk ports It is equivalent to Cisco: Trunk Port with Native VLAN It is equivalent to Cisco: Access port It is equivalent to Cisco: Useful link CLI Configuration (cambiumnetworks.com)
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This post demonstrates the procedures of encrypting and decrypting files using Yubikey; GPG4Win/Kleopatra is used in this case. This post assumes you have generated the master key and subkeys in Linux Live USB and imported those keys into Yubikey. https://ictfella.com/how-to-configure-yubikey-with-gpg-generate-and-import-keys/ Install GPG4Win and verify you Yubikey keys. Download GPG4Win from the link below and install
How to Encrypt/Decrypt File Using Yubikey – GPG4Win Kleopatra Read More »
This post is about configuring Yubikey with GPG — Generate and Import Keys into Yubikey. Yubikey added a “physical layer” of protection on top of GPG. Environment GPG keys are generated on the Ubuntu Live CD/USB for security and redundant considerations 2 x Yubikeys, one primary, and one backup. Generate the Master Key The first step is
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This post is about fixing Azure application gateway server error 502, caused by duplicated/stale HTTP rules that referenced differently between the “Rules” session and “Backend pool” session Environment Similar to the previous post Under the “Rules” session Rule names are matched. Under the “Backend Pool” session The Fix Remove the duplicated/stale HTTP rule and create
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This post is about fixing the Azure application gateway issue caused by health probe settings. Environment Azure Application Gateway Standard Tier, Medium SKU, one instance count Network setting such as VNET peering, subnets, route tables No NSG, firewall and Web Application Firewall in place The backend pool, backend settings, listeners and rules are all looking
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This post is about fixing “%PM-4-ERR_DISABLE: pagp-flap error detected” error on Cisco switch Error log Root cause From the log, we can see the related ports just flap like crazy Fix Find out the reason for the physical connectivity issue. To configure auto recovery and extend the threshold, please use the command below: Useful link
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This post is about fixing Ubuntu 22.04 Freeze at login screen and no Wi-Fi Adapter found issue, following with the previous post: Environment Dell Latitude 7390 Intel Integrated Graphic card UHD 620 Intel(R) Dual Band Wireless-AC 8265 Ubuntu Freeze at Login Screen It is frustrating when you just completed the Ubuntu 22.04 installation on the
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This post lists two methods to install Ubuntu on an External Hard Drive or USB Drive. Preparation Method 1 — Persistent mode This is the easiest way, as all you need is to utilize the “Persistent partition size” option in Rufus so that this partition will retain the personal data. Warning and progress Note: Method 1 has
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This post is to list out the compatible configuration to allow default VLAN1 traffic between Cisco and Juniper. In this post, let’s assume VLAN1 are used for Switch Management, yes it is bad practice 🙁 Single Connection Between Cisco and Juniper Cisco Juniper Please define your VLAN 1 as native vlan on the Juniper side:
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This post is about fixing the Forti Manager and Fortigate firewall out-of-sync error – “the category is already set in another filter” Troubleshooting * Upgrade the Fortigate firewall version to match up the version with Forti Manager, but it does not help * Check the installation log and the error is as below: Fix After
