Tech Notes for IT, Big Data, Cloud
notes migrated to a new location
Email delivery testing for xyamail
articles for installing and setting up the email system
Two policyd services I used for postfix
do not use icloud email from china region
How to choose the right email provider
Why you should use GMX mail
Those email providers with mail as domains
UI changes for 1and1 mail
How to enable RBL checks for Postfix
Important changes to XYA Mail on March 2023
how to enable systemd service in debian by ChatGPT
how to enable rsync daemon on ubuntu
create my ubuntu docker image for k8s
benchmark to littlecreek 4core 4g vps
ping to US west east and NL
benchmark for server factory epyc 7702 vps
do you know GMX mail is changing
why virmach has the worse networking
Benchmark to virmach xmas special offer vps
benchmark for server factory 1core 4g 50g vps
benchmark for cheap vps 1c 1g 10g
benchmark for vultr 1c 2g 50g vps
ping difference from Japan to US west central east
Default GCP instance disk IO sucks
benchmark for littlecreek 1c 1g vps
benchmark for liteserver 1c 1g 512g vps
BF special offer from XYA Mail
azure does have good networking
how to setup subdomain on xyamail hosting
benchmark for azure 1core 1gb vps
check if your vps smtp is blocked by big providers
ping to three usa locations from hk in busy time
how to implement static methods in perl ruby and scala
static class methods in ruby and scala
benchmark for nextarray 1core 1g vps
auto setter and getter in scala class
some useful kubectl commands
checkpoints for kubernetes ops
steps for deploying docker to GKE
introduction to 199903 xyz mail
more things to bear in mind about k8s
push personal images to docker hub
making a docker for running perl
secondary name node role
Federal funding for research projects in 2016
how to load data into hive to skip headers
how to setup virtual alias domains in postfix
big data workflows
for free email which is the best and why
does mx server require a matching ssl certificate
install mongodb from official source on ubuntu 18.04
NYC taxi dataset in March 2016
IT industry in France and German
benchmark for hostslick 2core 2g vps
ETL works by sample
how spark handles null and abnormal values
Dataflow in data warehousing ecosystem
Spark RDD is not as fast as dataframe
how to enable transactions for hive table
linux journal dir size increase quickly
hive partitions sample
script and spark for small dataset
statistics for IMDB works title
how to clean data with regex in spark
how to define a model in rails7
how to disable ipv6 on debian
how to setup vim autoindent to 4 spaces
insert values for complicated structure in hive
long domains are reasonable even in mobile times
benchmark for racknerd 1core 256m vps
calculate urban words vote in spark
the figure for hadoop app names
benchmark for gcp 2core 4g vps
HDFS write operation progress
variants for regex in ruby
how to use gmail as free domain email
analyse iris data with spark and sklearn
a sample dataset for hive
Changes on Shenzhen Administrative Regions
why metadata is important in big data systems
how to get started on rails7
benchmark for naranja tech 2core 4g vps
what registrars provide free email hosting
how to use cloudflare email route as mail gateway
how to use regex in ruby
perl run out memory issue
how to query webserver log with spark
check which linux process the port is opened by
install postfix dovecot squirrelmail letsencrypt on ubuntu
benchmark for virmach 1core 1500m vps
dataflow for a classic analysis job