Life, Tech and Travel

The Netflix Tech Blog: Linux Performance Analysis in 60,000 Milliseconds : You login to a Linux server with a performance issue: what do you check in the first minute? At Netflix we have a massive EC2 Linux cloud,...

The Netflix Tech Blog: Debugging Node.js in Production : By Kim Trott , Yunong Xiao We recently hosted our latest JavaScript Talks event on our new campus at Netflix headquarters in Los Gatos, Ca...

SSH Keys 101 http://cbracco.me/ssh-keys/ Generating SSH Keys (GITHUB) https://help.github.com/articles/generating-ssh-keys/

Private VLANs Overview by Keith Barker

# TOTAL LDAP USER COUNT SELECT count(*) from cwd_user where directory_id = 3; # LDAP ACTIVE USERS SELECT count(*) from cwd_user where directory_id = 3 AND active = 1; # LDAP INACTIVE USERS SELECT count(*) from cwd_user where directory_id = 3 AND active = 0; # INTERNAL ACTIVE USER COUNT SELECT count(*) from cwd_user where directory_id = 1 AND active = 1; # INTERNAL - INACTIVE USER COUNT SELECT count(*) from cwd_user where directory_id = 1 AND active = 0; # DEACTIVATE ALL INTERNAL ACCOUNTS UPDATE cwd_user SET active = 0 WHERE directory_id = 1; # ACTIVE YOUR INTERNAL JIRA ADMIN ACCOUNT "jira-admin" UPDATE cwd_user SET active = 1  where user_name = "jira-admin"; # DEACTIVATE LDAP ACCOUNTS UPDATE cwd_user SET active = 0 WHERE directory_id = 3; # ACTIVATE YOUR JIRA-ADMIN LDAP ACCOUNTS UPDATE cwd_user SET active = 1  where user_name IN ("jlopez", "jsmith");

 Sysadmin Casts - Justin Weissig

Chef Intro - Part 1 and Part 2 COOKBOOKS AWS https://github.com/opscode-cookbooks/aws TOMCAT https://github.com/opscode-cookbooks/tomcat SQL_SERVER https://github.com/opscode-cookbooks/sql_server DATABASES https://github.com/opscode-cookbooks/database SUBVERSION https://github.com/opscode-cookbooks/subversion OPENSSL https://github.com/opscode-cookbooks/openssl FAIL2BAN https://github.com/opscode-cookbooks/fail2ban

Chapters 3 - Identity Access Management (IAM) What is the difference between a group and a role? A group allows you to add users to a group, where as a role allows you to add both users and AWS resources. Power User Access allows.... Access to all AWS services except for management of groups and users within IAM. EC2 instances can have credentials stored on them so that the instances can access other resources (such as S3 buckets) and AWS recommends that you do this instead of assigning roles. False When using active directory to authenticate to AWS what are the correct steps performed? 1)  The user navigates to ADFS webserver 2)  The user enter in their single sign on credentials 3)  The user's web browser  receives a SAML assertion from the AD server 4)  The user's browser then posts the SAML assertion to the AWS SAML end point for SAML and the AssumeRoleWithSAML API request is used to request temporary security credentials.  5)  The user is...

Chapters 1, 2 - Intro and 10,00 Feet Overview Which statement best describes Availability Zones? Distinct locations from within an AWS region that are engineered to be isolated from failures. Fill in the Blanks: AWS ___________________ allows organizations to do complex analysis on large volumes of data.  Elastic Map Reduce What does an AWS Region consist of? An independent collection of AWS computing resources in a defined geography. AWS NoSQL product offering is known as... DynamoDB An AWS VPC is a component of which AWS service? Networking Service. In what year did Amazon move Amazon.com to AWS? 2010 What is the difference between Elastic Beanstalk &CloudFormation? Elastic Beanstalk automatically handles the deployment, from capacity provisioning, load balancing, auto-scaling to application health monitoring based on the code you upload to it, where as CloudFormation is an automated provisioning engine designed to deploy entire cloud environments via a JSON ...

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