jexchan

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

earthgecko

#!/bin/bash
# bash generate random alphanumeric string
#

# bash generate random 32 character alphanumeric string (upper and lowercase) and 
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)

# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1

maciakl

# trying to install PPA behind firewall fails:
$ sudo add-apt-repository ppa:chris-lea/node.js
  gpg: requesting key C7917B12 from hkp server keyserver.ubuntu.com
  gpgkeys: HTTP fetch error 7: couldn't connect to host
  gpg: no valid OpenPGP data found.
  gpg: Total number processed: 0
  recv failed

# this is how you get around it (use the key from the command above)
$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys C7917B12

mingfang

openssl rsa -in ~/.ssh/id_rsa -outform pem > id_rsa.pem
chmod 600 id_rsa.pem

sv99

stackoverflow (hdorio)

Fast answer:

sed ':a;N;$!ba;s/\n/ /g' file

1. :a create a label 'a'
2. N append the next line to the pattern space
3. $! if not the last line, ba branch (go to) label 'a'
4. s substitute, /\n/ regex for new line, / / by a space, /g global match (as many times as it can)

spalladino

# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql

# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE

funzoneq

[Unit]
Description=Job that runs the python SimpleHTTPServer daemon
Documentation=man:SimpleHTTPServer(1)

[Service]
Type=simple
WorkingDirectory=/tmp/letsencrypt
ExecStart=/usr/bin/python -m SimpleHTTPServer 80 &
ExecStop=/bin/kill `/bin/ps aux | /bin/grep SimpleHTTPServer | /bin/grep -v grep | /usr/bin/awk '{ print $2 }'`

antoviaque

Third Party Authentication Features in Open edX: Technical Knowledge Transfer

Part 1: Background / Notes

• Open edX has full, integrated support for three different types of third party auth provider:
  1. OAuth based providers (OAuth2 and the older OAuth v1). Google, Facebook, LinkedIn, and Azure Active Directory are available by default. Any other OAuth backends supported by python-social-auth v0.2.12 can be enabled by changing a configuration setting. Contributed by Google (John Cox).
  2. SAML / Shibboleth. SAML is an SSO standard mostly used by universities and corporations. Shibboleth is the name of a particular implementation of SAML, commonly used by higher ed. institutions.
  3. LTI. Users can use Learning Tools Interoperability® (LTI®) to authenticate. Support for this was contributed by UBC.
• The Open edX platform also includes limited support for the following SSO providers.

1. [

deepak365

What is redash?
Redash is database viewer included BI tool inside. Redash has support for querying multiple databases, including: Redshift, Google BigQuery, PostgreSQL, MySQL, Graphite, Presto, Google Spreadsheets, Cloudera Impala, Hive and custom scripts.

Prerequisite :
1. Install docker 
2. Install git

git clone https://github.com/getredash/redash.git
docker-compose -f docker-compose.production.yml run --rm server create_db
docker-compose -f docker-compose.production.yml up

ngurajeka

" Automatic reloading of .vimrc
autocmd! bufwritepost ~/.vimrc source %

" Show whitespace
autocmd ColorScheme * highlight ExtraWhitespace ctermbg=red guibg=red
au InsertLeave * match ExtraWhitespace /\s\+$/

filetype off
filetype plugin indent on
syntax on