About Us
Haedong Lounge Guide
- Intel CPU (Core i5-13400 at 3.4 GHz, 4 cores)
- 32GB Memory, 1 SSD Disk, 1 Gbps NIC
- 4K-supported Samsung Monitor, Mouse/Keyboard
- Dual boot OS of Linux (Ubuntu 22.04) and Windows 11
2. Haedong Lounge PC Usage Guidelines
- Haedong Lounge is a space where undergraduate students taking courses can freely work on programming assignments using computers
- Computer-based classes (e.g., lab sessions) may also be conducted here according to a pre-announced schedule.
- Individual students can use the computers after creating an account by following the procedure outlined below.
- Accounts will be created each semester for students enrolled in courses requiring computer use, as well as for other students who are deemed to have a legitimate need.
- For class educational purpose, the class TA should gather up the following student information and e-mail it to staff-haedong@googlegroups.com to make accounts for all students.
- For individual research purpose, each student should contact their advising professor and e-mail the approval/recommendation to staff-haedong@googlegroups.com.
- Accounts used for individual research can only be used per semester, and the account will be deleted at the end of the semester. Before deleting your account, please back up or delete your files.
- Required information to make an account
- Class Title, Name of Professor, TA name and contact information (e-mail address and cell phone number)
- Student department, Student number, Name, E-mail Address and cell phone number (phone number is for emergency purpose in case of security breach)
- Initial password (should be complex enough) – Each student must change the initial passward in Linux by typing the command “passwd.”
- Major Usage Guidlines (e.g.: C programming homeworks, deep-learning practice and projects, etc.)
- Whether you were granted to enter Haedong lounge in the past (courses).
- Warnings
- For students dropping the computer-required classes, the student must request the department to remove their account. (For security measures)
- After the class drop/add period, the class TA must check which students are actually taking the class and request the account removal for students not taking the class. (For security measures)
- Information regarding the computer account
- The account ID is the same as the student number (e.g.: 20250455).
- The account is valid for both Linux and Windows OS, and is valid for all machines in the lounge.
- For the first use, each student must log into Linux and type “passwd” to change the initial password.
- The allowed disk volume is 1GB in each Windows and Linux system.
- The files are not synchronized with other machines. If you make a file in one machine, it will not appear in other machines. (Caution) You must backup your personal data before you leave the machine. The department and staffs are not held responsible for data losses from machine failures and disk malfunctions.
- Account removal policy
- All students accounts along with all personal data will be removed at the end of semester.
- If you feel you should be exempt from the account removal, the student must e-mail staff-haedong@googlegroups.com saying why you should be exempt and wait for the approval.
- Program set-ups for classes
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If additional software is required for a course but not pre-installed:
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The course TA must email staff-haedong@googlegroups.com to request installation permissions.
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- Essential programs are pre-installed by default
- However, course-specific software must be installed directly by the TA after receiving permission
- After installation is complete, the TA must return the permission by emailing the same address
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- If you plan to use the PCs in Haedong Lounge for class purposes, the course TA or professor must send a reservation request to staff-haedong@googlegroups.com at least one week before the class.
- Once the reservation is confirmed, the TA should post the class schedule on the Haedong Lounge entrance.
- Classes held in Haedong Lounge should be limited to times when students actively need to use the computers for coursework.
To ensure fair access for all users, please refrain from occupying machines for extended periods beyond scheduled class hours.

- Students must use the computers in person at the lab and shut them down after use.
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Remote access (e.g., via SSH) is only allowed when another student is physically using the PC on-site.
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Computers not actively used in person may be shut down at any time.
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If long-term background usage is needed, please leave a note on the monitor with:
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Your name and contact info
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Estimated time of use
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- Without such a note, the machine may be turned off at any time.
- Improper use or violation of security policies will be reported to the course instructor, and the account may be suspended or deleted.
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Examples of violations include:
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Hacking or malicious behavior
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Excessive or unnecessary resource usage
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Gaming, P2P file sharing
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Weak passwords or continued use of default password
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- Access is granted via student ID card (key card)
- In principle, only undergraduate students may enter.
- Lounge is open 24/7.
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Please be considerate of others — avoid non-study activities like gaming or loud conversations.
- Haedong Lounge PCs are for offline use only.
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For remote computing, please use the shared servers in the Convergence Research Building:
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eelabg16
,eelabg17
(available 24/7)
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Connection instructions:
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From KAIST internal network: Connect directly via SSH
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From outside KAIST: Connect via KVPN first, then SSH into the remote machine.
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- 5 TAs will be managing the Lounge (account and usage managements).
- If you have any question or requests, please e-mail staff-haedong@googlegroups.com