Per chi incomincia addentrarsi nel magico mondo dei comandi da terminale la vita può essere dura. In rete esistono diverse guide, ma la “Linux Bash Shell Cheat Sheet for Beginners” di Raphael è qualcosa che i principianti dovrebbero tenere a portata di mano. La segnaliamo un po’ perchè è molto semplice e chiara, e un po’ perchè è stata scritta da un sedicenne canadese. Personalmente è una cosa che mi fa piacere, perchè dimostra che anche i giovanissimi si accostano a linux nel modo migliore, ovvero “imparo e a mia volta diffondo”.
P2Cinfotech is one of the leading, Online IT Training facilities and Job Consultant, spread all over the world. We have successfully conducted online classes on various Software Technologies that are currently in Demand. To name a few, we provide quality online training for QA, QTP, Manual Testing, HP LoadRunner, BA, Java Technologies.
Unique Features of P2Cinfotech:
1. All online software Training Batches will Be handled by Real time working Professionals only.
2. Live online training like Real time face to face, Instructor ? student interaction.
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4. Special Exercises and Assignments to make you self-confident on your course subject.
5. Interactive Sessions to update students with latest Developments on the particular course.
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Business Analsis
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JAVA
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we need to have a good amount of basic or in-depth knowledge on Linux Basics. This will help one's job easy in resolving the issues and supporting the projects.
Are you a system admin or database admin? Or working on any other technology which is deployed or implemented on linux/UNIX machines? Then you should be good with Linux basic concepts and commands. We will cover this section very clearly.
Per chi incomincia addentrarsi nel magico mondo dei comandi da terminale la vita può essere dura. In rete esistono diverse guide, ma la “Linux Bash Shell Cheat Sheet for Beginners” di Raphael è qualcosa che i principianti dovrebbero tenere a portata di mano. La segnaliamo un po’ perchè è molto semplice e chiara, e un po’ perchè è stata scritta da un sedicenne canadese. Personalmente è una cosa che mi fa piacere, perchè dimostra che anche i giovanissimi si accostano a linux nel modo migliore, ovvero “imparo e a mia volta diffondo”.
P2Cinfotech is one of the leading, Online IT Training facilities and Job Consultant, spread all over the world. We have successfully conducted online classes on various Software Technologies that are currently in Demand. To name a few, we provide quality online training for QA, QTP, Manual Testing, HP LoadRunner, BA, Java Technologies.
Unique Features of P2Cinfotech:
1. All online software Training Batches will Be handled by Real time working Professionals only.
2. Live online training like Real time face to face, Instructor ? student interaction.
3. Good online training virtual class room environment.
4. Special Exercises and Assignments to make you self-confident on your course subject.
5. Interactive Sessions to update students with latest Developments on the particular course.
6. Flexible Batch Timings and proper timetable.
7. Affordable, decent and Flexible fee structure.
8. Extended Technical assistance even after completion of the course.
9. 100% Job Assistance and Guidance.
Courses What we cover:
Quality Assurance
Business Analsis
QTp
JAVA
Apps Devlepoment Training
Register for Free DEMO:
www.p2cinfotech.com p2cinfotech@gmail.com +1-732-546-3607 (USA)
we need to have a good amount of basic or in-depth knowledge on Linux Basics. This will help one's job easy in resolving the issues and supporting the projects.
Are you a system admin or database admin? Or working on any other technology which is deployed or implemented on linux/UNIX machines? Then you should be good with Linux basic concepts and commands. We will cover this section very clearly.
Summary of UNIX commands used in the BTI Plant Bioinformatics Course in 2014. It includes a description of these common commands and some useful options.
Linux Commands mentioned here includes basic as well advanced linux commands which we use on a daily basis. These commands can also help you to crack interview.
Our lab planned a one-week lecture for bioinformatics beginners. I am right now the system administrator of Linux servers, NAS and Vms, so i want to teach the basics of linux system for new Linux users. And i wish to share my slide with you.
Summary of UNIX commands used in the BTI Plant Bioinformatics Course in 2014. It includes a description of these common commands and some useful options.
Linux Commands mentioned here includes basic as well advanced linux commands which we use on a daily basis. These commands can also help you to crack interview.
Our lab planned a one-week lecture for bioinformatics beginners. I am right now the system administrator of Linux servers, NAS and Vms, so i want to teach the basics of linux system for new Linux users. And i wish to share my slide with you.
Linux command line cheatsheet contains useful day to day commands that are used when working with Linux Mint/Ubuntu terminal and simplifies understanding of what these commands do and when to use them.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
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Introduction to linux day-3
1. Ownership & Permissions
Linux systems are multi user environments that allow users to create
files, run programs and share data.
Files and directories have two types of ownership the user and group.
A Linux group consists of one or more users.
Files and directories have three types of access permissions:
a)read permission (r)
b)write permission (w)
c)execute permission (x)
Every file and directory has permissions for three levels or entities of
permissions:
a)user or owner (denoted by u)
b)group (one or more users denoted by g)
c)others or world (denoted by o)
2. Permissions triplets
Each triplet indicates the access permissions for that level – in the example
below,the user/owner has read,write & execute permission,other group
members only have read and execute permissions and all others have no
access permissions.
3. Changing Permissions and Ownership
Use ‘ chmod ’ to change the file:
chmod [ ugoa ][+/-][ rwx ] filename
where u=user, g=group, o=others or world and a=all three
For example, to provide group read access to a file:
$ chmod g+r myfile
Or to remove file access to another than the owner or group members
(in other words, others):
$ chmod o-rwx myfile
The ‘ chown ’ command is used to change file ownership and the
chgrp ’ command can change group ownership of a file. As a regular
user, you can not change the ownership of a file, but you can change
the group ownership if you are a member of the group to which you
are changing the group ownership.
You can use the R argument on any of the above to recursively make
changes on a directory of files.
4. Lab 2
1)First go to your home directory.
2)Make a ‘LinuxClass’ directory using the mkdir command & go into
that directory.
3)Create 5 empty files in LinuxClass directory.
4)Show permission of newly created files.
5)Add execute permission for group on 2 of the files and make other 3
world readable.
6)Now, remove the execute permission of LinuxClass for all.
7)Change directory to your home directory, then try to see all files under
LinuxClass and then finally go into that directory.
8)Explain what happened and why?
5. Simple filter and advance filter commands
grep–pattern matching search of a file
$ grep cat nonsense.txt
$ grep –idog nonsense.txt # case insensitive
uniq–show or remove duplicate lines
$ uniq bears # will show all unique lines
$ uniq–d bears # show only duplicate lines
$ uniq–c bears # show a count of each unique line
Sorting-read a file, sort the contents and output to the terminal
$ sort –r grades.txt
$ sort -k2 grades.txt
$ sort –bnr–k2 grades.txt
awk–text manipulation
$ awk ‘{print $1,$5,$3,$4,$2,$6}’
6. Simple filter and advance filter commands...
sed–stream editor for pattern matching and modification
$ sed ‘s/beat/defeated/g’ hare_tortoise # Replace ‘beat’ with ‘defeated’
The trailing ‘/g’at the end of that command indicates that the change is to be
done globally…without it, only the first occurrence of the word in the file will
be changed.
$ sed -i 's/SEARCH_REGEX/REPLACEMENT/g' INPUTFILE # Replace text in file
head or tail
$ head mascots.txt
-prints out the first 10 lines by default. Can use the –n argument to change
the default number of lines
$ tail –20 mascots.txt
-prints out the last 20 lines
7. Environment Variables
Execution path
In BASH, execution of a program happens when you enter the
program name. Your PATH variable keeps you from having to enter
the full path to the program
Modifying your PATH
$ echo $PATH
$ PATH=$PATH:/data/$USER
$ echo $PATH
PATH set using above method is not persistent after reboot.
To path changes permanent, need to modify the .bashrcfile in your home
directory or update /etc/environment.
9. Package Management : RPM
RPM Package Manager (RPM)
YUM and DNF are simply front-ends to a lower-level tool called RPM. The following
commands should be run as root. The flags are expanded here, but the abbreviated
syntax is also included:
rpm --install --verbose --hash local-rpm-file-name.rpm - Installs an rpm from
the file. rpm is also capable of installing RPM files from http and ftp
sources as well as local files.
rpm --erase package-name(s) - Removes the given package.
rpm --query --all - lists the name of all packages currently installed.
rpm --query package-name(s) - allows you to confirm whether a given package is
installed in your system.
rpm --query --info package-name(s) - displays the information about an
installed package.
rpm --query --list package-name(s) - generates a list of files installed by a
given package. This is complemented by:
rpm --query --file - checks to see what installed package “owns” a given file.
10. Package Management : dpkg
Debian Package Manager (DEB)
Apt-get and apt-cache are merely frontend programs that provide a more usable
interface and connections to repositories for the underlying package management tools
called dpkg.
dpkg -i package-file-name.deb - Installs a .deb file.
dpkg --list search-pattern - Lists packages currently installed on the
system.
dpkg --configure package-name(s) - Runs a configuration interface to set
up a package.
dpkg-reconfigure package-name(s) - Runs a configuration interface on an
already installed package.
dpkg --purge --force-all package – Remove/ uninstall package.
11. Start and Stop services
systemctl commands
sudo systemctl [action] [service name]
service commands
sudo service [service name] [action]
To start a service:
sudo systemctl start ufw
sudo service ufw start
To stop a service:
sudo systemctl stop ufw
sudo service ufw stop
To restart a service:
sudo systemctl restart ufw
sudo service ufw restart
To check the status of service:
sudo systemctl status ufw
sudo service --status-all
Set service to start at boot:
sudo systemctl enable ufw
sudo chkconfig ufw on
Disable service to start at boot:
sudo systemctl disable ufw
sudo chkconfig ufw off
12. Lab 3
1. Install httpd using yum.
2. check status of httpd service.
3. Check httpd is running under which user using ps.
4. Download file index.html from below link, in your home directory.
http://3.93.79.170:9090/webfile.tar.gz
5. Extract that tar file. You will have one file called index.html
6. Next, copy that index.html to /var/www/html/ (You might be asked to overwrite an
existing file, do that.)
7. Set ownership and permission on that file as per the permission of /var/www/html
8. Restart httpd service.
9. Check if your webserver is working or not with below command:
# curl http://localhost
Output should be like:
Note: If your webserver is having issue run below command and try again.
# setenforce 0