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Saturday, 9. July 2016
RSS extension for chrome

RSS Subscription Extension (by Google) is a must have chrome extension if you read RSS feeds.
When you click on RSS feed icon, you will get only "Bloglines" and "My Yahoo" sites. But you can add more sites if you click on "Mange" option. For e.g. add feedspot with the following URL...

www.feedspot.com

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Monday, 23. May 2016
use putty for presentation

Config - Change settings... - Window - Colours - Use system colours
Config - Change settings... - Window - Appearance - Change... - 12 point

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Saturday, 21. May 2016
start with docker

create a docker file

vi dockerfile

COPY php.ini /usr/local/etc/php/

FROM php:5.6-apache
COPY adminer.php /var/www/html/
RUN chmod -R 777 /var/www/html/

build an image

docker build -t my-php-app .

run an image

docker run -d -p 80:80 --name myapp my-php-app

docker run -it --rm --name my-running-app my-php-app

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docker command examples

options for running docker

docker run -d --name abcd2 -p 23:23 -v /var/lib/mysql tutum/ubuntu:trusty

docker run -d --volumes-from abcd2 -p 3306:3306 tutum/mysql:5.5

docker run -d --name abcd5 -p 24:24 -v /var/lib/mysql ubuntu:trusty

docker run -d --volumes-from abcd5 -p 3306:3306 mysql:5.5

docker run -d -v /path/in/host:/var/lib/mysql tutum/mysql /bin/bash -c "/usr/bin/mysql_install_db"

docker run -d -p 3306:3306 -v /path/in/host:/var/lib/mysql tutum/mysql

docker run -d -p 3301:3306 --cpu-shares=512 --blkio-weight=250 --memory=512M --cpuset-cpus=0 -v ~/mdbdata/mdb55:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=admin --name mdb55 mariadb:5.5

start docker with host address

/etc/init.d/docker start -H tcp://0.0.0.0:2375

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Start 2 containers at once

Here is how you can start neo4j as well as scipy notebook.

vi docker-compose.yml

neo4j:
image: kbastani/docker-neo4j:latest
ports:

- "7474:7474"  
- "1337:1337"    

volumes:

- /opt/data   

jupyterscipy:
image: jupyter/scipy-notebook
ports:

- "8888:8888"    

links:

- neo4j:neo4j    

volumes:

- .:/home/jovyan/work  

docker-compose up -d

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Tuesday, 9. February 2016
linguistics using Python

These are the 4 libraries apart from standard library nltk are useful to analyze natural languages using python.

1) from corenlp import StanfordCoreNLP

github.com

2) from gensim.models import word2vec

github.com

3) import divisi2

github.com

4) from sklearn.naive_bayes import MultinomialNB

github.com

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Tuesday, 26. January 2016
Aurora Amazon rates

The cost of Aurora hosting per hour.

db.r3.large $0.290 (0.24 mysql)
db.r3.xlarge $0.580 (0.475 mysql)
db.r3.2xlarge $1.160 (0.945 mysql)
db.r3.4xlarge $2.320 (1.89 mysql)
db.r3.8xlarge $4.640 (3.78 mysql)

Mysql hosting starts with db.t2.micro at only $0.017 per hour.

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Monday, 25. January 2016
connect to AWS

It is possible to use password to connect to AWS

1) change config file
sudo vi /etc/ssh/sshd_config

PermitRootLogin yes
PasswordAuthentication yes

2) restart
sudo service ssh restart

3) add a password
sudo passwd root

4) ssh without key
ssh root@xxx.com

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Monday, 28. September 2015
Install percona extra backup tool innobackupex

Steps to install innobackupex on Ubuntu:

$ apt-key adv --keyserver keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A

Add this to /etc/apt/sources.list, replacing VERSION precise with the name of your distribution:

deb repo.percona.com precise main
deb-src repo.percona.com precise main

Remember to update the local cache:
$ apt-get update

Now you can install Percona XtraBackup with:
$ apt-get install percona-xtrabackup

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Backup mysql data using innobackup

BACKUP

innobackupex --user=USERNAME --password=PASSWORD --no-timestamp /data/backups/new_backup <--(PATH OF BACKUP)
innobackupex --apply-log /data/backups/new_backup

RESTORE

service mysql stop
mkdir /tmp/mysql
mv /var/lib/mysql/* /tmp/mysql/
innobackupex --copy-back /data/backups/new_backup <--(PATH OF BACKUP WHERE IS STORED)
chown -R mysql: /var/lib/mysql
service mysql start

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RSS extension for chrome RSS
Subscription Extension (by Google) is a must have chrome extension...
by shantanuo (7/9/16 7:28 AM)
use putty for presentation Config
- Change settings... - Window - Colours - Use system...
by shantanuo (5/23/16 1:26 PM)
docker command examples # options
for running docker docker run -d --name abcd2 -p 23:23...
by shantanuo (5/21/16 11:04 AM)
start with docker # create
a docker file vi dockerfile COPY php.ini /usr/local/etc/php/ FROM php:5.6-apache...
by shantanuo (5/21/16 8:10 AM)
Start 2 containers at once
Here is how you can start neo4j as well as...
by shantanuo (5/21/16 7:29 AM)
linguistics using Python These are
the 4 libraries apart from standard library nltk are useful...
by shantanuo (2/9/16 4:46 PM)
Aurora Amazon rates The cost
of Aurora hosting per hour. db.r3.large $0.290 (0.24 mysql) db.r3.xlarge...
by shantanuo (1/26/16 3:06 PM)
connect to AWS It is
possible to use password to connect to AWS 1) change...
by shantanuo (1/25/16 11:17 AM)
Install percona extra backup tool
innobackupex Steps to install innobackupex on Ubuntu: $ apt-key adv...
by shantanuo (9/28/15 8:24 AM)
Backup mysql data using innobackup
BACKUP innobackupex --user=USERNAME --password=PASSWORD --no-timestamp /data/backups/new_backup
by shantanuo (9/28/15 8:09 AM)
Tuning MySQL Getting the shell
script: wget https://launchpadlibrarian.net/78745738/tuning-primer.sh Running: sh tuning-primer.sh
by shantanuo (9/4/15 4:34 PM)
convert a rpm to deb
Here are simple steps to convert a rpm package to...
by shantanuo (9/1/15 3:28 PM)
upgrade ubuntu Upgrade from 14.04
to 15.04 is a 2 step journey. sudo nano /etc/update-manager/release-upgrades...
by shantanuo (8/10/15 1:10 PM)
Libre office on centOS Here
is how to install Libre office on centOS 64 bit...
by shantanuo (7/7/15 8:02 AM)
manage iso image file Here
is how you can open and copy files from an...
by shantanuo (7/7/15 6:57 AM)
predictive typing You can try
a software called typing booster on Fedora. It helps user...
by shantanuo (6/29/15 10:59 AM)
download Enterprise backup 1) Access
My Oracle Support. 2) Click on Patches & Updates navigation...
by shantanuo (2/9/15 11:19 AM)
disable innodb The MySQL server
can still be started without InnoDB in 5.6 using the...
by shantanuo (12/6/14 4:35 PM)
Yahoo Trip planner Yahoo has
shut down Trip planner and My Travel service that was...
by shantanuo (8/17/14 9:34 AM)
Type Marathi on Ubuntu Here
are the steps to install Marathi input method for Ubuntu....
by shantanuo (6/30/14 12:10 PM)
Tokudb and proxy on the
same server # Here are the 2 steps to start...
by shantanu oak (2/10/14 7:16 AM)
Why not blog or text
columns? BLOB/TEXT columns are stored in an external hidden table....
by shantanu oak (1/25/14 2:48 PM)
Creating a new repository Create
a new repository on the command line touch README.md git...
by shantanu oak (1/23/14 5:24 PM)
Percona xtrabackup commands / Tar-compatible
file innobackupex-1.5.1 --stream=tar ./ > backup.tar / Compress innobackupex-1.5.1 --stream=tar...
by shantanu oak (1/21/14 3:03 PM)

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