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Category: Tech

Tech

How to use SSH keys

How to create, store and connect with SSH keys.

Tags linux, private key, public key, putty, SSH, ssh key, ssh-agent, ubuntu, windows

Tech

Secure erase an SSD

This post covers secure erasing a drive with hdparm.

Tags hdparm, linux, secure erase, securely erase, ssd, ssd drive, wipe, wiping

Tech

System is deadlocked on memory after Ubuntu 22.04 upgrade

Post author By Aaron
Post date 2023-01-02
No Comments on System is deadlocked on memory after Ubuntu 22.04 upgrade

Increase memory to 1GB or higher

Tags 20.04, 22.04, can't boot, kernel panic, linux, System is deadlocked on memory, ubuntu, Unable to mount root fs on unknown-block, upgrade, won't boot

Tech

Install UniFi Controller on Ubuntu 20.04

Post author By Aaron
Post date 2022-12-23
No Comments on Install UniFi Controller on Ubuntu 20.04

This post covers adding UniFi controller software to apt

Tags linux, self hosted, ubiquiti, ubuntu, unifi, unifi controller

Tech

Changing DHCP to a Static IP in Ubuntu 22.04 (netplan)

Post author By Aaron
Post date 2022-12-23
No Comments on Changing DHCP to a Static IP in Ubuntu 22.04 (netplan)

This post explains changing a netplan config from DHCP to static. You can reverse the steps to change it to DHCP.

Tags change IP, dhcp, IP, linux, netplan, static, static ip, ubuntu

Tech

Permissions in Linux

More than you probably want to know about chmod.

Tags chmod, execute, linux, numeric permissions, permissions, read, symbolic permissions, write, wrx

Tech

Change network adapter config in Ubuntu and Debian after hardware changes

Post author By Aaron
Post date 2022-10-21
No Comments on Change network adapter config in Ubuntu and Debian after hardware changes

This post explains updating netplan and /etc/network/interfaces configs

Tags change, config, debian, interfaces, IP, linux, network adapter, networking, new, NIC, ubuntu, VM

Tech

Disable Google Chrome Windows Notifications in Registry

Post author By Aaron
Post date 2022-10-12
No Comments on Disable Google Chrome Windows Notifications in Registry

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Notifications\Settings\Chrome
Create or change “Enabled” (dword) to 0

Tags chrome, google chrome, notifications, win10, windows, windows notifications

Tech

Delete Windows Update Cache

Post author By Aaron
Post date 2022-09-18
No Comments on Delete Windows Update Cache

Stop wuauserv then delete or rename C:\Windows\SoftwareDistribution

Tags clear updates, delete update cache, download, reset windows update, update, windows, windows update

Tech

Remove WSUS settings in registry

Post author By Aaron
Post date 2022-09-16
No Comments on Remove WSUS settings in registry

Delete HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate

Tags default, registry, reset, Windows Server, Windows Server Update Services, windows update, WSUS, WSUS reset, WSUS reset registry