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24×7 Web Hosting Support & Server Management

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We also provide chat and ticketing support to web hosting companies. We use the chat and ticketing system of the client and provide support to client’s clients. We act as an employee of the client for client’s clients.

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List of other services we are dealing with.

Server Management

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Ticket & Chat Support

One Time Service

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VPS Server Management

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Remote Infrastructure Management

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Web Application Management

Mobile Application Management

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Website = https://www.netedgetechnology.com

database design – Data modelling and openAPI3.0 for customer and license management – when to know how to split entities?

I’m working on a unique ERP + Ecommerce which is a mix of “Shopify meets Adobe Cloud admin”.
Current project: ancient php framework with MVC, no architecture, resembles a procedural website
Refactor objective: switch architecture to MVVM using OpenAPI to generate proxy classes

When redesigning with OpenAPI and doing database normalization
How entities should be separated from each other?

Entity:

Company
Account Owner
Account Member
License Ownership
License Assigment (in use like a seat)
Shipping Address
Shipping Country
Taxes
Billing Address

How should I structure the openapi and database model?
In the case of taxes, for example, I need to know all of these

    "Province_State_Tax_Id": "1",
    "Province_State_Name": "Alberta",
    "Province_State_Abbreviation": "AB",
    "Province_State_Tax": "5.00",
    "Country_Id": 38

But I also need to query extra things such as who is the owner of the account, but at the same time maintaining the organization separated from owner (that person could leave the company if it’s an employee). I have functions such as license transfer from one account to another, dealers.

Should I make all those parts separate, then compose them together? When to know when it’s too much separation and too little?

file management – Why is my DSLR taking duplicate pictures?

Have you checked file extensions? You might have your camera set in the RAW+JPEG storing mode, producing both .JPG and .NEF file for each shot, showing the same thumbnail for both of them. Also many image viewers would show both of them.

Solution: Turn off RAW+JPEG mode and use JPEG only mode.

Check page 85 of the Nikon D7000 manual – Image Recording Options
(or page 64 in Nikon D700 manual – Image Quality in case this is your camera – you’ve mentioned both models).

sharepoint online – Error with PnP Management Shell

I created a site template on SPO. I want to duplicate this template to another site with Get-PnPProvisioningTemplate and Apply-PnPProvisioningTemplate. I get an error with PnP Management Shell. I tried to export template to .pnp file and .xml. Still the same problem.

Is it realy wired because I am tenant global admin and also admin of both sites I am working on. So where is my mistake?

enter image description here

c++ – Object Oriented Library Management System

Library management system is a object oriented program that takes care of the basic housekeeping of a library.
This is the third part of a series. The first iteration of the project is found here and the second iteration is also found here

The major actors are the Librarian, Member, and the System.

Major Concern

I made member and Librarian friends of the system class and also composed the system class with Librarian and Member. I felt “System is composed of a Librarian and members” sounds better than “System is a friend of a Librarian and members”. Does this follow the common design patterns?

In my previous post, I wasn’t cleared well enough on why a std::vector should be preferable than std::list in this situation due to the fact that the system would perform insertion frequently. Would std::vector be more scalable and versatile whilst taking speed and efficiency into consideration?

Any other observation on potential pitfalls, traps and common bad practice can be pointed out.

Date.hh

#ifndef DATE_HH
#define DATE_HH

class Date {
    friend std::ostream &operator<<( std::ostream &, const Date & );
     private:
        /* data-members */
        unsigned month = 1;
        unsigned day = 1;
        unsigned year = 1970;

        /* utility functions */
        bool validateDate( unsigned m, unsigned d = 1, unsigned y = 1970 );
        bool checkDay( unsigned m, unsigned d, unsigned y ) const;
        bool isLeapYear( unsigned y ) const { return ( y % 400 == 0 ) || ( y % 4 == 0 && y % 100 != 0 ); }
    public:
        static constexpr unsigned int monthsPerYear = 12;

        /* ctors */
        Date() = default;
        Date( unsigned m, unsigned d, unsigned y );
        Date( unsigned m );
        Date( unsigned m, unsigned d );
        
        /* copy operations */
        Date( const Date &d ) = default;
        Date &operator=( const Date &d ) = default;

        /* equality test operations */
        bool operator==( const Date &d ) const;
        bool operator!=( const Date &d ) const { return !( *this ==  d ); }

        /* method-functions */
        void setDate( unsigned m = 1, unsigned d = 1, unsigned y = 1970 );
        unsigned  getMonth() const;
        unsigned getDay() const;
        unsigned  getYear() const;       
        void nextDay();
        const std::string toString() const;

        // dtor
        ~Date(){};
};

#endif

Date.cc

#include <iostream>
#include <string>
#include <stdexcept>
#include <array>
#include "../headers/Date.hh"

Date::Date( unsigned m, unsigned d, unsigned y ) { 
    if ( validateDate(m, d, y ) ) {
        month = m; day = d; year = y;
    }
}

Date::Date( unsigned m ) {
    if( validateDate( m ) )
        month = m;
}

Date::Date( unsigned m, unsigned d ) {
    if ( validateDate( m, d ) ) {
        month = m; day = d;
    }
}

void Date::setDate( unsigned m, unsigned d, unsigned y ) {
    if ( validateDate( m, d, y ) ) {
        month = m; day = d; year = y;
    }
}

void Date::nextDay() {
    day += 1;
    try {
        checkDay( month, day, year );
    } catch ( std::invalid_argument &e ) {
        month += 1;
        day = 1;
    }
    if ( month % 12 == 0 ) {
        year += 1;
        month = 1;
    }
}
bool Date::operator==( const Date &d ) const {
    if( month != d.month ) return false;
    if ( day != d.day ) return false;
    if ( year != d.year ) return false;

    return true;
}

std::ostream &operator<<( std::ostream &os, const Date &d ) {
    os << d.month << "/" << d.day << "/" << d.year;

    return os;
} 

// utility function
bool Date::validateDate( unsigned m, unsigned d, unsigned y ) {
    // validate month
    if ( m < 1 || m >= 13 )
        throw std::invalid_argument( "Month must be between 1-12" );

    // validate day
    if ( checkDay( m, d, y ) == false )
        throw std::invalid_argument( "Invalid day for current month and year" );
    
    // validate year
    if ( y < 1970 )
        throw std::invalid_argument( "year must be greater than 1969" );
    
    return true;
}

 const std::string Date::toString() const {
     return std::to_string(month) + "/" + std::to_string(day) + "/" + std::to_string(year);
 }

bool Date::checkDay( unsigned testMonth, unsigned testDay, unsigned testYear ) const {
    static const std::array < unsigned, monthsPerYear + 1 > daysPerMonth = { 0,31,28,31,30,31,30,31,31,30,32,30,31};

    if ( testDay > 0 && testDay <= daysPerMonth( testMonth ) )
        return true;
    
    if ( testMonth == 2 && testDay == 29 && isLeapYear( testYear ) ) 
        return true;
    return false;
}

BookItem.hh

#ifndef BOOKITEM_HH
#define BOOKITEM_HH

#include <iostream>
#include <string>
#include <string_view>
#include "Date.hh"

enum class BookStatus : unsigned { RESERVED, AVAILABLE, UNAVAILABLE, REFERENCE, LOANED, NONE };
enum class BookType : unsigned { HARDCOVER, MAGAZINE, NEWSLETTER, AUDIO, JOURNAL, SOFTCOPY };

class BookItem {
    friend std::ostream &operator<<( std::ostream &, const BookItem & );

    private:
        /* data-members */
        std::string title;
        std::string author;
        std::string category;
        Date pubDate;
        std::string isbn;
        BookStatus status;
        BookType type;

        /* user connected to this book */
        std::string bookcurrentUser;

    public:
        /* ctors */
        BookItem() = default;
        BookItem( const std::string &title, const std::string &author, const std::string &cat, const Date &pubDate, 
                const std::string &isbn, const BookType type,  const BookStatus status = BookStatus::AVAILABLE ); 

        bool operator==( const BookItem &bookItem ) const;
        bool operator!=( const BookItem &bookItem ) const { return !( *this == bookItem); };

        /* method-functions */
        void setStatus( BookStatus s ) { status = s; };
        void setType( BookType t ) { type = t;};
        void setCategory( const std::string &c ) { category = c; }
        void setBookCurrentUser( std::string userName ) { bookcurrentUser = userName; }
        std::string_view getBookCurrentUser() const { return bookcurrentUser; }
        std::string_view getStatus() const;
        std::string_view getType() const;
        std::string_view getTitle() const { return title; }
        std::string_view getAuthor() const { return author; }
        std::string_view getCategory() const { return category; };
        std::string_view getIsbn() const { return isbn; }
        Date &getPubDate() { return pubDate; }
        void printPubDate() const { std::cout << pubDate; } 
        const BookStatus getStatusByEnum() const { return status; }
        const BookType getTypeByEnum() const { return type; }

        // dtor
        ~BookItem() = default;
};
#endif

BookItem.cc


#include <iostream>
#include "../headers/BookItem.hh"

BookItem::BookItem( const std::string &t, const std::string &a, const std::string &c, const Date &d, 
                const std::string &i, const BookType ty, const BookStatus s ) {
                    title = t, author = a, category = c, pubDate = d, isbn = i;
                    setStatus( s );
                    setType( ty );
}

bool BookItem::operator==( const BookItem &bookItem ) const {
    if ( title != bookItem.title ) return false;
    if ( author != bookItem.author ) return false;
    if ( category != bookItem.category ) return false;
    if ( pubDate != bookItem.pubDate ) return false;
    if ( isbn != bookItem.isbn ) return false;
    if ( status != bookItem.status ) return false;
    if ( type != bookItem.type ) return false;

    return true;
}

std::string_view BookItem::getStatus() const { 
    switch( status ) {
        case BookStatus::AVAILABLE:
            return "AVAILABLE";
        case BookStatus::REFERENCE:
            return "REFERENCE";
        case BookStatus::UNAVAILABLE:
            return "UNAVAILABLE";
        case BookStatus::LOANED:
            return "LOANED";
        case BookStatus::RESERVED:
            return "RESERVED";
        default:
            return "NONE";
    }
} 

std::string_view BookItem::getType() const {
    switch( type ) {
        case BookType::AUDIO:
            return "AUDIO";
        case BookType::HARDCOVER:
            return "HARDCOVER";
        case BookType::JOURNAL:
            return "JOURNAL";
        case BookType::MAGAZINE:
            return "MAGAZINE";
        case BookType::NEWSLETTER:
            return "NEWSLETTER";
        case BookType::SOFTCOPY:
            return "SOFTCOPY";
        default:
            return "NONE";
    }
}

std::ostream &operator<<( std::ostream &os, const BookItem &b ) {
        os << "nName of book: " << b.getTitle();
        os << "nAuthor of book: " << b.getAuthor();
        os << "nBook category: " << b.getCategory();
        os << "nPublication date: " << b.pubDate;
        os << "nISBN number: " << b.getIsbn();
        os << "nStatus of book: " << b.getStatus();
        os << "nType of book: " << b.getType();
        return os;
}

Librarian.hh

#ifndef LIBRARIAN_HH
#define LIBRARIAN_HH

#include <iostream>
#include <string>
#include "BookItem.hh"

class System;

class Librarian {
    public:
        /* data-members */
        std::string name;
        Date dateOfHire;

        /* ctors */
        Librarian() = default;
        Librarian( const std::string &name, const Date &dateOfHire );

        // basic method-function
        void printDateOfHire() const { std::cout << dateOfHire; }

        /* core functionalities */
        void addBook( System &sys, const BookItem &isbn );
        void removeBook( System &sys, const std::string &isbn );
        void auditLibrary( const System &sys ) const;

        // dtor
        ~Librarian(){}
};

#endif

Librarian.cc

#include <iostream>
#include "../headers/System.hh"
#include "../headers/Librarian.hh"

Librarian::Librarian( const std::string &n, const Date &d ) {
    name = n;
    dateOfHire = d;
}

void Librarian::addBook(System &sys, const BookItem &book ) { 
    if ( sys.books.empty() ) {
        sys.books.push_front( book );
        return;
    }
    for ( auto bptr = sys.books.cbegin(); bptr != sys.books.cend(); ++bptr ) {
        if( book.getTitle() <= bptr->getTitle() ) {
            sys.books.insert(bptr, book);
            return;
        }
    }
    sys.books.push_back( book );
}

void Librarian::removeBook( System &sys, const std::string &isbn ) {
    BookItem book = sys.getBook( isbn );
    for ( auto bptr = sys.books.cbegin(); bptr != sys.books.cend(); ++bptr ) {
        if ( book.getIsbn() == bptr->getIsbn() ) {
            sys.books.remove(book);
            std::cout << "Deleted { " << book.getAuthor() << " : " << book.getTitle() << " } n";
            return;
        }
    }
    throw std::invalid_argument("Book not found");
}

void Librarian::auditLibrary( const System &sys ) const {
    std::cout << "nName of Library: " << sys.libraryName << ", Date created " << sys.dateCreated;
    std::cout << "nLibrarian: " << name << ", Date of hire: " << dateOfHire;
    std::cout << "nnBooks: ";
    for ( auto bptr = sys.books.cbegin(); bptr != sys.books.cend(); ++bptr ) {
        std::cout << *bptr << "n";
        std::cout << "This book is linked to: " 
                << ( ( bptr->getBookCurrentUser() == "" ) ? "None" : bptr->getBookCurrentUser() ) << "n"; 
    }
    std::cout << "nnMembers: ";
    for ( auto mPtr = sys.members.cbegin(); mPtr != sys.members.cend(); ++mPtr ) {
        std::cout << *mPtr << "n";
    }
}

Member.hh

#ifndef MEMBER_HH
#define MEMBER_HH

#include <string>
#include <vector>
#include "Date.hh"
#include "BookItem.hh"

class System;

class Member {
    friend std::ostream& operator<<( std::ostream&os, const Member &m );

    private:
        /* data-member */
        std::string libraryNumber;
        Date dateRegisted;
        std::vector<BookItem> checkedOutBooks;

    public:
        /* data-member */
        std::string name;
        char sex;
        /* ctors */
        Member() = default;
        Member( const std::string &n, const char s, Date d ) : dateRegisted( d ), name( n ), sex( s ) {}
        
        /* method-functions */
        std::string getLibraryNumber() const { return libraryNumber; }
        void setLibraryNumber( const std::string &lNum ) { libraryNumber = lNum; };
        void checkOut( System &sys, const std::string &isbn );
        void returnBook( System &sys, const std::string &isbn );
        bool operator==( const Member &m );
        bool operator!=( const Member &m ) { return !( *this == m ); }

        // dtor
        ~Member() = default;
};

#endif

System.cc

#ifndef SYSTEM_HH
#define SYSTEM_HH

#include <string>
#include <list>
#include <vector>
#include "Date.hh"
#include "BookItem.hh"
#include "Librarian.hh"
#include "Member.hh"

class System {
    friend class Librarian;
    friend class Member;

    private:
        /* data-members */
        std::list<BookItem> books{};
        std::vector<Member> members{};
        Librarian librarian;
        Member member;

    public:
        /* ctors */
        System() = default;
        System( const std::string &name, Date &date ) : libraryName( name ), dateCreated( date ) {};

        /* method-functions */
        const std::string generateLibraryNumber() const;
        void addMember( Member &m ) { members.push_back( m ); };
        void deleteMember( Member &m );
        void displayMembers();
        BookItem getBook( const std::string &isbn ) const;
        void viewBook( const std::string isbn ) const;
        void placeOnReserve( const std::string, const std::string &isbn );
        void displayAllBooks() const;

        /* data-members */
        std::string libraryName;
        Date dateCreated;
    
        
        /* search functionalities */
        std::list<BookItem> queryByTitle( const std::string &t ) const;
        std::list<BookItem> queryByAuthor( const std::string &a ) const;
        std::list<BookItem> queryByPubDate( const Date &d );
        std::list<BookItem> queryByStatus( const BookStatus &s ) const;
        std::list<BookItem> queryByType( const BookType &ty ) const;

        // dtor
        ~System() = default;
};

#endif

System.cc

#include <iostream>
#include <set>
#include "../headers/System.hh"

std::list<BookItem> System::queryByTitle( const std::string &t ) const {
    std::list<BookItem> queryList;
    for ( auto bPtr = books.cbegin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getTitle().find(t) != std::string::npos )
           queryList.push_back( *bPtr );
    }
    return queryList;
}

std::list<BookItem> System::queryByAuthor( const std::string &a ) const {
    std::list<BookItem> queryList;
     for ( auto bPtr = books.cbegin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getAuthor().find(a) != std::string::npos )
           queryList.push_back( *bPtr );
    }
    return queryList;
}
std::list<BookItem> System::queryByPubDate( const Date &d ) {
    std::list<BookItem> queryList;
    for ( auto bPtr = books.begin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getPubDate().toString().find(d.toString()) != std::string::npos )
           queryList.push_back( *bPtr );
    }
    return queryList;
}
std::list<BookItem> System::queryByStatus( const BookStatus &s ) const {
    std::list<BookItem> queryList;
    for ( auto bPtr = books.begin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getStatusByEnum() == s )
           queryList.push_back( *bPtr );
    }
    return queryList;
}
std::list<BookItem> System::queryByType( const BookType &ty ) const {
     std::list<BookItem> queryList;
    for ( auto bPtr = books.begin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getTypeByEnum() == ty )
           queryList.push_back( *bPtr );
    }
    return queryList;
}

void System::placeOnReserve( const std::string name, const std::string &isbn )  {
    for ( auto bPtr = books.begin(); bPtr != books.end(); ++bPtr ) {
        if ( bPtr->getIsbn() == isbn ) {
            bPtr->setStatus( BookStatus::RESERVED );
            bPtr->setBookCurrentUser( name );
        }
    }
}

BookItem System::getBook( const std::string &isbn ) const {
    for ( auto bPtr = books.cbegin(); bPtr != books.cend(); ++bPtr ) {
        if ( bPtr->getIsbn() == isbn )
            return *bPtr;
    }
    throw std::invalid_argument("Book is not available at the library");
}

void System::viewBook( const std::string isbn ) const {
    std::cout << getBook( isbn );    
}

const std::string System::generateLibraryNumber() const {
    static std::string Codes(10){"XGS", "QWT", "OPI", "NMK", "DXF", "PXG", "OPI", "QPU", "IKL", "XYX" };
    static std::set< unsigned, std::greater<unsigned> > idSet;
    unsigned id;
    bool unique = false;
    unsigned index = 0 + rand() % 9;
    std::string code = Codes( index );
    while ( unique == false ) {
        id = 10000000 + rand() % 9999999;
        auto ret = idSet.emplace(id);
        if ( !ret.second ) {
            std::cout << "unique failed";
            unique = false;
            continue;
        }
        else 
            unique = true;
    }
    return code + std::to_string( id );
}

void System::deleteMember( Member &m ) {
    for ( auto mPtr = members.begin(); mPtr != members.end(); ++mPtr ) {
        if ( *mPtr == m ) {
            members.erase( mPtr );
            std::cout << "Deleted member: { Name: " << m.name << ", Library Number: " << m.getLibraryNumber() << 
            " }n";
            return;
        }
    }
    throw std::invalid_argument("No such member found");
}

void System::displayMembers() {
    std::cout << "Members of Library: ( count : " << members.size() << " ) " << "n";
    for ( auto mPtr = members.cbegin(); mPtr != members.cend(); ++mPtr ) {
        std::cout << *mPtr;
    }
}
void System::displayAllBooks() const {
    for ( auto bPtr = books.begin(); bPtr != books.end(); ++bPtr ) {
        std::cout << *bPtr <<  "nn";
    }
}
```

encryption – Is centralized key management better or decentralized key management better to prevent attacks on database level?

I was planning to start a project that’s sort of like a hybrid mix of banking system and commercial system.

In such case, considering that I need to encrypt the data at database level with a prevention of both insider’s and outsider’s attack on database as it happens to me data leakage happens quite often..

What are the recommended type of key management to do so and the reason behind it?

Looking for a server management company

Hello,

We have VPS’s with Linode for webhosting. We deploy and maintain our LAMP ourselves, but we are looking for a server management co… | Read the rest of https://www.webhostingtalk.com/showthread.php?t=1825798&goto=newpost

Datacenter Management & Support Services | Proxies123.com

Datacenter Management & Support Services

Netedge Technology is a leading technical support and server management company. We are running this business since more than 14 years. We have a great team of certified Systems Administrators who can take care of your servers from initial server setup to critical server and infrastructure management.

We are expert in design, implementation and ongoing management of Datacenter. We do provide 24×7 NOC service for any size of datacenter.

Please find here with more details of datacenter services we are dealing with.

Data center management

List of other services we are dealing with.

Server Management

Linux Server Management

Windows Server Security

Control Panel Security

Game Server Management

PCI Compliance

Dedicated Staffing

Shared Staffing

Remote Desktop Support

Technical Support

Hourly Technical Support

Ticket & Chat Support

One Time Service

Software Development

Virtualization Management

VPS Server Management

VPS Node Management

Web Hosting Support

Control Panel Management

Datacenter Management

IT Infrastructure Automation

Remote Infrastructure Management

Cloud Infrastructure Management

NOC Management

Web Application Management

Mobile Application Management

IOT Application Management

Please feel free to contact us at

[email protected] if in case of any question.

Website = https://www.netedgetechnology.com

Shared storage management software?

There is a shared storage management software? Something to manage storage in different servers for different customers.

If works with C… | Read the rest of https://www.webhostingtalk.com/showthread.php?t=1825325&goto=newpost

samsung – Mobile data management options disabled

I have a pair of unlocked Samsung A10s. In both cases when I go to settings to manage mobile data usage ( set the billing cycle, set warnings etc.) The ‘Billing cycle and data warnings’ option is greyed out and doesn’t respond when tapped.

What could have caused this and what can I do about it?