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@jexchan
jexchan / multiple_ssh_setting.md
Created April 10, 2012 15:00
Multiple SSH keys for different github accounts

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
earthgecko / bash.generate.random.alphanumeric.string.sh
Last active July 4, 2024 17:31
shell/bash generate random alphanumeric string
#!/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
maciakl / gist:4531580
Last active April 20, 2021 11:17
Adding Ubuntu PPA repository behind a firewall. When you are behind a corporate firewall that only allows outbound traffic on ports 80 and 433 the usual apt-add-repository command will not work. To get around it. Here is the workaround.
# 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
mingfang / convert id_rsa to pem
Last active March 3, 2024 08:46
Convert id_rsa to pem file
openssl rsa -in ~/.ssh/id_rsa -outform pem > id_rsa.pem
chmod 600 id_rsa.pem
@sv99
sv99 / How can I replace a newline (\n) using sed.md
Last active May 10, 2024 07:56
How can I replace a newline (\n) using sed?

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
spalladino / mysql-docker.sh
Created December 22, 2015 13:47
Backup and restore a mysql database from a running Docker mysql container
# 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
funzoneq / simplehttp.service
Created May 25, 2016 13:24
A systemd file for a python SimpleHTTPServer
[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
antoviaque / gist:0b6cc931290881de546319cf673186f6
Last active May 8, 2024 09:16
Open edX - SSO Doc - Draft

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
deepak365 / How to install redash in mac.
Last active May 27, 2022 05:38
How to install redash in mac.
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
" 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