Computer lab

Website of a separate unit within the Faculty of Mathematics, University of Belgrade

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The Computer Lab blog contains the latest news, warnings about malicious emails sent to staff and student email addresses, the latest threats and other topics from the world of computer security. You can also learn more about the Computer Lab's services for students and teachers.

News from the world of computer security

Warning about malicious (phishing) e-mails

Feb 2, 2024 |

Поштовани корисници факултетског мејл сервиса, Обавештавамо вас о злонамерном фишинг мејлу који је стигао до одређеног броја корисника нашег сервиса. Немојте потврђивати, отварати линк или делити Ваше податке. Више савета о препознавању злонамерних порука прочитајте у...

Important note! Malicious messages in the name of the Serbian Post (in Serbian Cyrillic)

Jan 9, 2024 |

У току је злонамерно слање мејлова у име Поште Србије или Post Exspress-a, ради злоупотребе Ваших података. Немојте одговарати, отварати линк или делити Ваше податке. Више савета о препознавању злонамерних порука прочитајте у нашем упутству, а изглед мејла који је...

Registered malicious e-mails in Serbian language "Your shipment has not yet been delivered!"

Dec 5, 2023 |

Недавно су на факултетском мејл серверу регистровани лажни мејлови који су (наизглед) послати од стране Поште и имају наслове "Re: Vaša pošiljka još nije isporučena!" и "Troškovi dostave vaše pošiljke su na čekanju!" у којима стоји обавештење да корисник има пошиљку...

News about services at our faculty

Information on maintenance of the UPS device

Mar 27, 2024 |

Сутра 28. марта 2024. ће се изводити радови на замени батерија УПС уређаја који је прикључен на мрежну и серверску инфраструктуру на Математичком факултету. Радови ће почети у 10:30 и очекује се да ће трајати око 3 сата. Током овог периода, може доћи до привремене...

Cancelation of the email server for employees

Mar 24, 2024 |

Dear colleagues, We would like to inform you that our employee email server is unavailable from 3pm today due to technical maintenance. Our team is working to resolve the issue and we expect it to be available again as soon as possible. We will inform you as soon as the server is available again. We thank you for your patience and understanding. Computer lab

Did you know that the country's first mainframe computer was installed in the Faculty of Mathematics' computer center, now the Computer Laboratory?

The first computer, purchased in 1968, was an IBM 360/44 and was installed in the Lower Laboratory (DLAB) of the Faculty of Mathematics. It had a control panel, a 1 MHz processor, a 64 KB ferrite memory, a card reader and punch, two 1.7 MB floppy disk drives and a printer (600 lines/min.). At the time of installation, it was the largest computer in the country (Yugoslavia).

 

Useful information

Creating a typical web presentation

If you would like to have a typical faculty presentation on the official website, please contact the webmasters at webmaster@matf.bg.ac.rs and they will send you instructions

Communication by e-mail

  • For the publication of information on the official faculty presentation and the associated web portals (website of the enrollment and preparation courses), an authorized person (public relations officer and members of the Dean’s Office (deans, Associate Deans)) must send an email to webmaster@matf.bg.ac.rs.
  • To send an email to all staff, faculty, retirees, a specific department, or specific employee groups , an authorized person (Public Information Officer and members of the Dean’s Office (Deans, Associate Deans)) must send an email to matf@matf.bg.ac.rs. 
  • To send an email to all students or a specific group of students, faculty and student representatives (with prior authorization from the Dean’s Office) must send an email to studentska@matf.bg.ac.rs and be sure to include admin@matf.bg.ac.rs in the Cc field.
  • To reserve classrooms for activities that are not included in the timetable (compensatory courses, consultations, colloquium, dissertation defense, master’s thesis defense, etc.), teachers and students should write to the Vice Dean Dr. Miljan Knežević at miljan.knezevic@matf.bg.ac.rs and be sure to include admin@matf.bg.ac.rs in the Cc field. An overview of the reserved classrooms can be found  here.
  • If teachers or students have problems working with the equipment at our faculty or using the faculty’s services, they should write to admin@matf.bg.ac.rs.

Technical support for events (on campus and at other locations)

The need for technical support for the organization of scientific meetings, conferences, seminars, lectures, presentations, etc. must be announced at least 14 working days in advance.

Technical support for exams

The computer lab provides technical support for exams – filtering network traffic, creating and running scripts to download materials and save student work. Detailed information can be found on the web portal of the Academic Council for Teaching.

Use common printers

Staff and teachers can also use the shared printers in the conference room and the dean’s office. Authentication is done with a classroom access control card. If you have any problems with access and printing, please write to us here.

Creating and using virtual machines for teaching

If a special operating system and a range of programs are required for teaching, a virtual machine is a good solution. Here are instructions on how to create and set up a virtual machine – contact us by clicking  here.

Computer science, one of the youngest sciences, is closely linked to mathematics. Its main characteristic is its applicability. Would you like to put the theory you have learned into practice?

write to us

 

Manuals

Alas, Hypatia, Poincare

Alas – Student Mail server:

Poincare – Faculty & Staff Mail server:

Hypatia – Server for the Faculty Information System:

WebEx – Video/Audio Conference call application

Matlab

Zoom – Video/Audio Conference call application

Moodle – E-learning tool

Miscellaneous

Microsoft

Eduroam

We work every day to improve the web services for students and teachers. If you have a suggestion for improvement:

write to us

Frequently asked questions

Dear colleagues, in this section we will publish answers to the questions that interest you most. 

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How do I know that my password for Alas Webmail is about to expire?

The student mail server Alas has a policy that limits the duration of the password to one year. When the password expires in seven days, the server automatically sends an email to the user reminding them every day until the password expires. The content of the first email that arrives from the address root@alas.matf.bg.ac.rs is as follows:

The password for your user account ***** on the alas server will expire in 7 days.
Please change your password.
Instructions on how to change your password can be found at LINK

For all other questions, write to  admin@matf.bg.ac.rs

Yours sincerely,
Computer lab

    t

    I have changed my degree program (or module). Can I match it with my Alas username?

    Yes, the easiest way to match your username with your degree program (or module) is to send an email to admin@matf.bg.ac.rs and provide your current username, valid index number and current degree program/module as well as an alternative email address (to which you will be notified of the change).

    t

    How do I manually change an expired password in my Alas student account?

    If the password expires, you can change it yourself using the SSH tool (Secure Shell) as follows:

    • Open a terminal on your computer.
    • Connect to the student server with the SSH command: ssh username@alas.matf.bg.ac.rs
    • After you have successfully connected, the server will immediately ask you to enter a new password.
    • • The password must meet the following requirements: at least 11 characters long, at least one lowercase letter, at least one uppercase letter and at least one number. In addition, the password must not be identical to your username and must be different from your last three passwords.
    t

    What is an alternative email address in Hypatia and what is it used for?

    An alternate address in the Hypatia information system is a non-Alas email address (usually Gmail, yahoo, etc.) that serves as an alternate form of communication with the student if there is a problem with the Alas student email account.

    It is very important that the address is correct and up to date, i.e. that the student has access to it so that he/she can be contacted in this way if there is a problem.

    t

    Is the password on the student servers visible to the administrators?

    Не, лозинке складиштене на студентским серверима се чувају у енкриптованом (yescrypt) формату и облика су: $y$j9T$0…SqL7gVP4oOrl6.$rf0Ap

    There are still passwords that are encrypted with older algorithms (MD5, Blowfish, SHA), but by the end of 2024 they will also be replaced by yescrypt encryption when the students' passwords appear on the server (https://rl.matf.bg.ac.rs/vazno-obavestenje-promena-lozinke-radi-vase-bezbednosti/)

    t

    How do I know which username I got?

    The username for access to the Alas email server is determined by the student ID number and differs depending on the degree program. For more detailed information, click on the desired level of the degree program:

    The username on the Alas student server has the form kkggххх, where:

    • kk – are two lowercase Latin letters indicating the Master (degree program) and the module,

    • gg – are two digits and indicate the last two digits of the year of enrollment,

    • xxx – is a three-digit index number.

    The first two letters (kk) of the username:

    Аccreditation from 2022:

    1. mr – Mathematics, module Mathematics and Computer Science
    2. mm – Mathematics, module Theoretical Mathematics and Applications
    3. ml – Mathematics, module Professor of Mathematics and Computer Science
    4. ms – Mathematics, module Statistics, Actuarial and Financial Mathematics
    5. mp – Mathematics, module Applied Mathematics
    6. mi – Informatics
    7. af – Astronomy and Astrophysics, module Astrophysics
    8. аi – Astronomy and Astrophysics, module Astroinformatics

    Example: The student with the index number 7/2023 in the module Professor of Mathematics and Computer Science has the username ml23007 (the full email address is ml23007@alas.matf.bg.ac.rs).

    Accreditation from 2015, 2009, 2006...

    1. ma – студијски програм Математика, модул Астрономија
    2. mr – студијски програм Математика, модул Рачунарство и информатика
    3. mm – студијски програм Математика, модул Теоријска математика и примене
    4. ml – студијски програм Математика, модул Професор математике и рачунарства
    5. mv * – студијски програм Математика, модул Статистика, актуарска и финансијска математика
    6. mn ** – студијски програм Математика, модул Примењена математика
    7. mi – студијски програм Информатика
    8. af – студијски програм Астрономија и астрофизика, модул Астрофизика
    9. аi – студијски програм Астрономија и астрофизика, модул Астроинформатика

    *students enrolled in the 2021/2022. school year have a username beginning with ms

    ** students enrolled in the 2021/2022. school year have a username beginning with mp

    The username on the Alas student server has the form kkgg1ххх, where:

    • kk – are two lowercase Latin letters indicating the Master (degree program) and the module,

    • gg – are two digits and indicate the last two digits of the year of enrollment,

    • 1xxx – is a four-digit index number beginning with the digit 1.

    The first two letters (kk) of the username:

    Accreditation from 2022:

    1. mr – Mathematics, module Mathematics and Computer Science
    2. mm – Mathematics, module Theoretical Mathematics and Applications
    3. ms – Mathematics, module Statistics, Actuarial and Financial Mathematics
    4. mp – Mathematics, module Applied Mathematics
    5. ml – Mathematics, module Professor of Mathematics and Computer Science
    6. mi – Informatics
    7. af – Astronomy and Astrophysics, module Astrophysics
    8. аi – Астрономија и астрофизика, модул Планетарна астрономија и астроинформатика

    Example: The student with the index number 1007/2023 in the module Theoretical Mathematics and Applications has the username mm231007 (the full email address is mm231007@alas.matf.bg.ac.rs).).

    The first two letters (kk) of the username on the Alas server for students enrolled on the basis of Erasmus (EuRopean Community Action Scheme for the Mobility of University Students):

    1. em – Erasmus master program

    Accreditation from 2015, 2009, 2006...

    1. mr – Mathematics, module Computer Science and Informatics
    2. mm – Mathematics, module Theoretical Mathematics and Applications
    3. mv * – Математика, модул Статистика, актуарска и финансијска математика *
    4. mn ** – Mathematics, module Applied Mathematics
    5. ml – Mathematics, module Professor of Mathematics and Computer Science
    6. mi – Informatics
    7. af – Astronomy and Astrophysics, module Astrophysics
    8. аi – Astronomy and Astrophysics, module Astroinformatics

    *students enrolled in the 2021/2022. school year have a username beginning with ms

    ** students enrolled in the 2021/2022. school year have a username beginning with mp

    The username on the Alas student server has the form pdgg2ххх, where:

    • pd – two Latin letters indicating that the student is enrolled in postgraduate studies.
    • gg – are two digits and indicate the last two digits of the year of enrollment,
    • 2xxx – is a four-digit index number beginning with the digit 2.

    The first two letters (kk) of the username:

    Example: a student with the index number 2007/2023 has the username pd232007 (the full email address is pd23007@alas.matf.bg.ac.rs).

    Do you have a question or suggestion? Write to us.

    Computer lab

    IV floor
    Studentski trg 16, 11000 Belgrade

    Working hour

    On working days: 8 a.m. to 8 p.m
    Summertime (July 17 – August 23): 9 a.m. to 5 p.m

    Telephone

    (+381) 11 2027 816

    About us

    In short...

    The computer laboratory configures and maintains the servers of the Faculty of Mathematics, maintains computers, offers IT services for teaching and non-teaching staff as well as for students of the Faculty of Mathematics – always with the aim of ensuring the quality and regular implementation of classes and examinations as well as work on scientific projects.

    Today, the computer lab maintains over 20 servers, 200 computers in 8 „computer“ classrooms at 3 locations. All computers are networked in local networks and connected to the Internet.

    The computer lab consists of:

    Head of the computer lab:
    nada.djordjevic@matf.bg.ac.rs

    Nada Đorđević Veselinović

    Department for software development:
    jagiceva@matf.bg.ac.rs

    Nikolina Vukša Popović
    Marija Milanović

    Department for the management and maintenance of computer systems and computer networks:
    admin@matf.bg.ac.rs

    Zdenka Samardžić
    Jelena Hadži-Purić, M.Sc
    Miloš Krsmanović

    Web Administration Department:
    webmaster@matf.bg.ac.rs

    Jasmina Dobrić
    Brankica Đurić
    Radivoj Protić, M.Sc

    Technical support department:
    admin@matf.bg.ac.rs

    Isidora Dobrosavljević
    Saša Milovanović

    Digitization department:
    elib@matf.bg.ac.rs

    Slaviša Milisavljević, PhD

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