thikade

List ciphers

openssl ciphers -V

Extract Private Key

openssl pkcs12 -in key.p12 -passin pass:*** -passout pass: -nocerts -out key.pem -nodes

thikade

# Unmount the filesystem and check its' LV
umount /mnt/foo
e2fsck -f /dev/mapper/vg0-foo
 
# Shrink ext4 and then the LV to the desired size
resize2fs -p /dev/mapper/vg0-foo 40G
lvreduce -L 40G /dev/mapper/vg0-foo
 
# Before continuing, run e2fsck. If it bails because the partition

thikade

How to make the 'cut' command treat several sequential delimiters as one?

cat text.txt | tr -s ' ' | cut -d ' ' -f4

From the tr man page:

-s, --squeeze-repeats   replace each input sequence of a repeated character
                        that is listed in SET1 with a single occurrence
                        of that character

thikade

http://wiki.bash-hackers.org/syntax/pe

Simple usage

$PARAMETER
${PARAMETER}

Indirection

${!PARAMETER}

Case modification

${PARAMETER^}
${PARAMETER^^}

thikade

Decode WAS password using wsadmin.sh:

./wsadmin.sh -lang jython -conntype none -c 'import com.ibm.ws.security.util.PasswordDecoder as pd; pd.main(["{xor}KzosK25tbH4n"]);'

Encode WAS password using wsadmin.sh:

./wsadmin.sh -lang jython -conntype none -c 'import com.ibm.ws.security.util.PasswordEncoder as pd; pd.main(["test123!x"]);'

thikade

• Use pillar['foo'] for required options to fail if they are not present!
• alias functions for better code

{%- set pget = salt['pillar.get'] %}
{%- set dget = salt['defaults.get'] %}
{%- set mget = salt['mine.get'] %}
{{ pget("foo1", "default1") }}
{{ pget("foo2", "default2") }}
{{ dget("foo3") }}
{{ dget("foo4") }}

thikade

get all ansible facts from all hosts into a directory

ansible all -m setup --tree /tmp/dump_path

Ansible Playbook cmds

ansible-playbook -i PLBK/hosts PLBK/any.yml

Tips 'n' tricks

Loop Control

https://docs.ansible.com/ansible/latest/playbooks_loops.html#loop-control

thikade

Prereqs

export TOKEN=yourtoken

Display DO available droplet sizes

API Link

All sizes

thikade

remove existing default machine:

docker-machine rm default

upgrade existing default machine:

docker-machine upgrade default

create NEW default machine:

docker-machine create -d virtualbox --virtualbox-memory 8192 --virtualbox-cpu-count "2" --virtualbox-disk-size "30000" default

set Graphics mem parameter

thikade

spec:
  nodeSelector: {}
  output: {}
  postCommit: {}
  resources: {}
  runPolicy: Serial
  strategy:
    jenkinsPipelineStrategy:
 env: