danpawlik

OpenWRT wireless configuration with enabled Fast Roaming (802.11r)

                                  +---------------------------------------+                 
+---------------------------------|-----+                                 |                 
|                                 |     |                                 |                 
|                                 |     |                                 |                 
|              MAIN               |     |            AP1                  |                 
|      +--------------------+     |     |      +------------------+       |                 

ralvares

podman login registry.redhat.io

export domain=quay.ralvares.local
export QUAY=/data/quay

mkdir -p $QUAY/postgres-quay
mkdir $QUAY/clair
mkdir -p $QUAY/config/extra_ca_certs

mkdir $QUAY/storage

ikurni

### Create file called machine-config-daemon-force in /run ###
ssh [email protected] sudo touch /run/machine-config-daemon-force

### Edit node annotations ###
oc edit node <node-name>

### Check Annotations, change like below sample ###
 machineconfiguration.openshift.io/currentConfig: rendered-worker-ab4a1e7216bf3da2a5203f09c871b456
 machineconfiguration.openshift.io/desiredConfig: rendered-worker-ab4a1e7216bf3da2a5203f09c871b456
 machineconfiguration.openshift.io/reason: ""

berendt

#!/usr/bin/env bash

NAMESPACE=your_namespace_on_quay
TAG=the_tag

# https://quay.io/organization/your_namespace_on_quay?tab=applications
ACCESS_TOKEN=xxxxx

for repository in $(curl -s -X GET -H "Authorization: Bearer $ACCESS_TOKEN" "https://quay.io/api/v1/repository?namespace=$NAMESPACE" | jq -r '.repositories[].name' | sort); do
    curl -s -X DELETE -H "Authorization: Bearer $ACCESS_TOKEN" https://quay.io/api/v1/repository/$NAMESPACE/$repository/tag/$TAG

axxx007xxxz

#!/bin/bash
if [ $UID != "0" ]; then
	echo "ERROR: You must run this script as root!"
	exit 1
fi

dnf install \
	@development-tools \
	android-tools \
	automake \

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD