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# maximum capability of system | |
user@ubuntu:~$ cat /proc/sys/fs/file-max | |
708444 | |
# available limit | |
user@ubuntu:~$ ulimit -n | |
1024 | |
# To increase the available limit to say 200000 | |
user@ubuntu:~$ sudo vim /etc/sysctl.conf |
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# How to encrypt/decrypt your text/blob secret with AWS KMS with AWS cli | |
KEY_ID=alias/my-key | |
SECRET_BLOB_PATH=fileb://my-secret-blob | |
SECRET_TEXT="my secret text" | |
ENCRYPTED_SECRET_AS_BLOB=encrypted_secret_blob | |
DECRYPTED_SECRET_AS_BLOB=decrypted_secret_blob # Result of decrypt-blob target | |
encrypt-text: |
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version: 0.0 | |
os: linux | |
files: | |
- source: / | |
destination: /home/ec2-user/node | |
permissions: | |
- object: /home/ec2-user | |
owner: ec2-user | |
group: ec2-user | |
type: |
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#!/bin/bash | |
##################################################### | |
# Name: Bash CheatSheet for Mac OSX | |
# | |
# A little overlook of the Bash basics | |
# | |
# Usage: | |
# | |
# Author: J. Le Coupanec | |
# Date: 2014/11/04 |
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# to generate your dhparam.pem file, run in the terminal | |
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048 |