pydevops

Keybase proof

I hereby claim:

• I am pydevops on github.
• I am vyang (https://keybase.io/vyang) on keybase.
• I have a public key whose fingerprint is 88DC E43F 381C CE5B 279E 3E2B 551D 3F7F CCBF B6CC

To claim this, I am signing this object:

pydevops

kitchen converge -l debug
kitchen list
kitchen destroy

In order to test chef cookbook for vagrant
kitchen vendor /vagrant/cookbooks

pydevops

#A standard configured Salt master refreshes the Pillar data ones a minute. If you don’t have so much time, you can manually refresh it with:
salt '*' saltutil.refresh_pillar

pydevops

>mdadm --create /dev/md10 --level=0 --raid-devices=3 /dev/xvdba /dev/xvdbb /dev/xvdbc
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md10 started.
>mdadm --detail /dev/md10

pydevops

Query: ntpq -pn 
 
Update: sudo ntpdate -bvu 0.amazon.pool.ntp.org

(needs to stop first, run ntpdate, then start)

pydevops

install https://github.com/brainsik/virtualenv-burrito

mkvirtualenv --python=/usr/local/bin/python3 py3

normal virtualenv set up

export PIP_REQUIRE_VIRTUALENV=true export WORKON_HOME=~/.virtualenvs source /usr/local/bin/virtualenvwrapper.sh

pydevops

• apt-get install libmemcached-tools
• memcstat --servers=203.0.113.12 11211 | grep get_hits

get version

memcstat --servers=10.2.0.4 | grep version

dump keys

memcdump --servers=localhost

dump value given a key

pydevops

brew bundle --file=.Brewfile
brew bundle dump

pydevops

check health

• https://zookeeper.apache.org/doc/r3.3.2/zookeeperAdmin.html#sc_zkCommands
• https://phunt1.wordpress.com/

(leader only) echo dump | nc localhost 2181
echo stat | nc localhost 2181 
echo conf | nc localhost 2181
echo cons | nc localhost 2181
echo envi | nc localhost 2181

pydevops

• https://github.com/knife-block/knife-block

# knife and berks switch server
# .chef/knife.rb
# .berkshelf/config.json
knife block list
knife block show
knife block use <server>

# metadata.rb version bump