rsync -rv uploads_old/ uploads

rsync -rv uploads_old/ uploads

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Display Center | Start your fashion business | Apna Fashion ka Karobar S...

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Change permission on windows from command line

C:\>icacls "D:\test" /grant John:(OI)(CI)F /T

https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/icacls

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Vagrant for the beginners ... Tutorial.

Vagrant is a higher level wrapper around different virtualization and configuration management software.

Virtualization Software:

1. VirtualBox, 
2. VMware, 
3. KVM and 
4. Linux Containers (LXC)

Configuration Management Software:

1. Ansible, 
2. Chef, 
3. Salt, and 
4. Puppet.

Deploy your uniform environment on any virtual platform. For example, you may deploy with vagrant on Amazon Cloud or Virtual Box  with same environment without any hassle. As a best practice, push vagrant file in the version control repository so that others can benefit without any upfront work.

vagrant init

vagrant box add hashicorp/precise64

The box add command creates a box from the image "hashicorp/precise64". The box name consists of 2 parts;  is username and  is box name.

Vagrant.configure("2") do |config|
  config.vm.box = "hashicorp/precise64"
end 

vagrant up

We see there is an error in mounting and syncing the directories. The issue is fixed by upgrading to virtual box 5.0.14

We will not be able to see anything since Vagrant runs VM without any user-interface. To check if its running, we can SSH it.

vagrant ssh

SSH failed since SSH client is not installed. We will use Putty to SSH the virtual machine. Import the private key to puttygen and save .ppk file.

Now we can connect to box using putty.

vagrant reload --provision

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Automating Build and Deployment of PHP Applications

Download Jenkins for Windows from http://jenkins-ci.org/;

Unzip the Jenkins.zip file in to setup files.

Install Jenkins.

Run command line.

Make sure that java is installed and its path is set.

To start Jenkins, please run this command.

java -jar jenkins.war

https://wiki.jenkins-ci.org/display/JENKINS/Starting+and+Accessing+Jenkins

Open in browser, using the following URL.

http://localhost:8080/ 

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Auto-Code Deployment on Production Servers Using GIT

sudo apt-get install git

git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git --work-tree=/var/www/ init

git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git clean -df & git checkout .

git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git pull

pulls the contents in the current directory in  which you are.

git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git --work-tree=/var/www/ pull

code is pulled in the --work-tree directory. But there is still one issue, it asks for username and password which is entered manually.

git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git config credential.helper store

To store credentials in a file on disk, by default stored at ~/.git-credentials

We can set credentials file path by following
git --git-dir=/home/ubuntu/git/oneworldbox-stb-api/.git config credential.helper store=<path>

git remote set-url origin http://username:password@gitlab.jemtv.com/oneworldbox-stb-api.git

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ab - staging

 $ ab -n 1000 -c 5 http://baseurl/qa.php/2_4/gxml/tier1/2/0/0/cc/device_id
Where,

• -n 1000: ab will send 1000 number of requests to server 202.54.200.1 in order to perform for the benchmarking session
• -c 5 : 5 is concurrency number i.e. ab will send 5 number of multiple requests to perform at a time to server 202.54.200.1

----------------------
staging
-----------------------
[Tue Apr 08 15:12:29 2014] [info] server seems busy, (you may need to increase StartServers, or Min/MaxSpareServers), spawning 32 children, there are 1 idle, and 205 total children

------------------------
HA-Proxy
------------------------
Apr  8 14:45:55 ip-10-11-144-86 rsyslogd-2177: imuxsock begins to drop messages from pid 19954 due to rate-limiting

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Create a ppk file from a pem file

1) Download and Install PuTTY. Run PuTTYgen;

 2) Import the .pem file into the PuTTYgen from Conversions->Import Key menu.

3) Change the key-comments. [These key comments appear when we connect to instance using .ppk.]

4) Create a pass-phrase if you want an additional level of security. This is asked when you connect to the instance.

5) Click on Save Private Key.

 6) Use the key to connect to the instance now.



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netmon

netmon

/etc/init.d/mysql restart

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Setting UP Apache2, MySQL and PHP5 machine on Google Compute Engine

In my case, i am using f1-micro Debian instance.  

First download gcutil

then use this link to install the servers.
https://www.digitalocean.com/community/articles/how-to-install-linux-apache-mysql-php-lamp-stack-on-debian

then create a rule in firewall using gcutil

gcutil addfirewall http2 --description="Incoming http allowed." --allowed="tcp:http"

https://developers.google.com/compute/docs/quickstart

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Apache Bechmarking (ab)

I am using Ubuntu 12.04. First, install ab

sudo apt-get install apache2-utils

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Some useful php scripts

Some useful php scripts
https://github.com/lornajane/PHP-Web-Services
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Extract .tar unbuntu/linux terminal

tar -xvf filename.tar

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Import / Export MySQL Database using Ubuntu terminal

To import .sql file into MySQL database

mysql -u mysql_user -p dabase_name < /path/import_file_name.sql

It will ask for the password, enter the mysql password and your sql script will be executed.

To export a database and gzip it, use

mysqldump -h localhost -u mysql_user -pMysql_password database_name | gzip > /path/export_file_name_$(date +%m-%d-%Y).sql.gz

$(date +%m-%d-%Y) is optional. It inserts today's date in the file name. You can also use this export command without   $(date +%m-%d-%Y)

 mysqldump -h localhost -u mysql_user -pMysql_password database_name | gzip > /path/export_file_name_$(date +%m-%d-%Y).sql.gz

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check memory ubuntu terminal

 egrep --color 'Mem|Cache|Swap' /proc/meminfo

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Extract sql.gz file from ubuntu terminal

 gzip -d file.sql.gz

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Linux useful 20 tools

http://www.cyberciti.biz/tips/top-linux-monitoring-tools.html

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Download a file using terminal in Linux

 wget "http://downloads.bitnami.com/files/stacks/lampstack/5.3.25-0/bitnami-lampstack-5.3.25-0-linux-x64-installer.run"

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Developer Tips and Tricks in Chrome

Open this link
http://www.igvita.com/slides/2012/devtools-tips-and-tricks

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Installing OpenSSH Server on Ubuntu 12.04

sudo apt-get install openssh-server

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