Kali virtual machine

 

 

Create one script does one of two things. It either creates a backup of your directory or performs a security check to be sure the files have not been changed without you knowing.

Your script must do the following:

1) If the user wishes, it performs a backup of your home directory structure.

2) If the user wishes to do a security check, the script checks if any files in a directory have changed (use sha1sum and diff). You will need to create a temporary file to hold the new data so you can compare the two.

Your code should also do the following:

Create a maintenance log of who (username) and when (date) the hash checks were completed. Store the date and name in a file called maintenance. If the file already exists the code should append to the end.

Make sure you check to be sure if you can read the file and you can write to it before doing it. If you can’t print out an error.
The script should print out the name of the file(s) that changed and its old and new hash.
Prove that your code works.

The company operates in 100 states and employ over 52,000 people around the world. The company main office in Oman is located in Al Azaibah, Weatherford also has other branches around Oman in different regions for example Nizwa, and Gahl

Weatherford�s mission is to be one of the preferred and best companies in a wide range of oilfield services and products as well as technologies that help the customers produce oil more efficiently and conveniently. By providing all the important and useful requirement that the client need for long and short term.
Moreover, operators always seek for new techniques to extend the economic lives of the reservoir also a safe way to solve various challenges connected to aging well, where Weatherford Company offers all the Innovative technology and high quality services to confront these challenges.
Weatherford Provides different services in drilling and formation evaluation, well construction, completion and stimulation, also production.
To begin with drilling services and formation evaluation, which contain different categories, for example laboratory services, reservoir solutions, surface logging system, and wireline services.
Having considered the services provided by the company, it is also reasonable to look at the different categories and their definitions, start with the first category laboratory services.
Weatherford laboratories deliver a set of basic core analysis services with a whole necessity test required to help the costumer more in improving reservoir estimates, recover their reservoir forming, also identify and correct any damage to the formation of the reservoir.

Moreover the advanced tests provided by the Weatherford labs are particularly designed to evaluate different properties such as Petrophysics, Fluid Flow Properties, Rock Mechanics, Enhanced Oil Recovery, and others.
The second category is about reservoir solutions, this category generally discuss about the oilfield challenges and the solution that the company offer to the clients for several difficulties that the operators faced.
Coming to third category surface logging system, is mostly talking about the extraction of fluids from the underground and determining the amount of sufficient gases present in the reservoir by means of specific measurements and Techniques. Inadequate fluid extraction or using unsuitable devices can cause an error in the measurements also reduce the accuracy of the analysis.

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