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• 22:49, 10 September 2024 Lianyingzhao talk contribs uploaded a new version of File:Select-project-f24.jpg
• 22:44, 10 September 2024 Lianyingzhao talk contribs uploaded a new version of File:Select-image-f24.jpg
• 22:41, 10 September 2024 Lianyingzhao talk contribs reverted File:Select-flavor-f24.jpg to an old version (Reverted to version as of 22:34, 10 September 2024 (UTC))
• 22:40, 10 September 2024 Lianyingzhao talk contribs uploaded a new version of File:Select-flavor-f24.jpg
• 22:34, 10 September 2024 Lianyingzhao talk contribs uploaded a new version of File:Select-flavor-f24.jpg
• 22:28, 10 September 2024 Lianyingzhao talk contribs created page COMP5900 COMP4900 2024F: Openstack Instructions (Created page with "You can create a VM instance on the [https://carleton.ca/scs/tech-support/scs-open-stack/ SCS openstack] cluster for the assignments, by doing the following: Obvious steps are skipped. You can always reach out to the TA or the instructor for any technical questions. # [https://carleton.ca/its/help-centre/remote-access/ Connect to Carleton's VPN] (if not on campus). # Log in to [https://openstack-stein.scs.carleton.ca/ https://openstack-stein.scs.carleton.ca/] # Most of...")
• 22:27, 10 September 2024 Lianyingzhao talk contribs created page File:Select-flavor-f24.jpg
• 22:27, 10 September 2024 Lianyingzhao talk contribs uploaded File:Select-flavor-f24.jpg
• 22:08, 10 September 2024 Lianyingzhao talk contribs created page File:Select-image-f24.jpg
• 22:08, 10 September 2024 Lianyingzhao talk contribs uploaded File:Select-image-f24.jpg
• 21:21, 10 September 2024 Lianyingzhao talk contribs created page File:Select-project-f24.jpg
• 21:21, 10 September 2024 Lianyingzhao talk contribs uploaded File:Select-project-f24.jpg
• 04:58, 28 August 2024 Lianyingzhao talk contribs created page COMP5900 COMP4900 2024F: Reading list (Created page with "You can only sign up for papers with an asterisk (*) at the end of their title. * Introduction to the course and trusted computing ** The ten-page introduction to Trusted Computing ** Hardware-Based Trusted Computing Architectures for Isolation and Attestation ** Trusted Execution Environment: What It is, and What It is Not * Trust ** Bootstrapping Trust in Commodity Computers ** Reflections on Trusting Trust (Turing Award lecture, 1984) ** SafeKeeper: Protecting Web P...")
• 06:54, 16 March 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 9 (Created page with "By the end of this tutorial, you will have a basic familiarity with the Docker platform and be able to run, operate, and customize containers, and create simple containers of your own. You will see how kernel building blocks like namespaces make containers possible. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded based on participation and effo...")
• 07:36, 8 March 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 8 (Created page with "In this tutorial, you’ll be learning about how virtual addresses are mapped to physical addresses (the address translation) and continue to use kernel modules to extract information that only the kernel has access to. In particular, the kernel module performs a 5-level page table walk to find out the physical address corresponding to a userspace virtual address. In addition to what was discussed in the class, You can also read [https://en.wikipedia.org/wiki/Intel_5-lev...")
• 02:07, 4 March 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 7 Not Using SCS OpenStack (Created page with "If you are not using our course VM for some reason, you might encounter problems and you can refer to the instructions below. Although they are by no means comprehensve to solve the problems, they can in many cases and serve as pointers about where to look. ==Modules fail to build== If you see errors (not just warnings) after running <tt>make</tt> and no <tt>.ko</tt> file is produced, you may have installed a version of Ubuntu that is too minimal. But you can fix it by i...")
• 02:04, 4 March 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 7 (Created page with "In this tutorial you'll be learning about Linux kernel modules, part of which are device drivers. You’ll create several kernel modules and see how to interact with device drivers using special files (e.g., character device) and their file operations as an interface. You can also have a better understanding of special files by doing so. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-...")
• 08:00, 23 February 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 6 (Created page with "In this tutorial you will be learning about two implementations of the [https://en.wikipedia.org/wiki/Producer%E2%80%93consumer_problem producer-consumer problem], a classic example of a concurrency problem. The [http://pages.cs.wisc.edu/~remzi/OSTEP/ class textbook] covers concurrency in great detail in Chapters 25-34, and the producer-consumer problem is covered in [http://pages.cs.wisc.edu/~remzi/OSTEP/threads-cv.pdf Chapter 30 (Condition Variables)] and [http://pages...")
• 07:39, 3 February 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 5 (Created page with "In this tutorial you will be learning about files and filesystems by experimenting with and extending [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w24/tut5/3000test.c 3000test.c], and creating and manipulating local filesystems. '''WARNING:''' Several of the commands here can lead to system corruption and data loss if not properly used. You have been warned. Please use a VM and make backups, when necessary. '''Note: there are two parts of Tasks/Questions, Part...")
• 03:40, 28 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 4 (Created page with "In this tutorial, you will learn about how user accounts and logging in work through exploring [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w24/tut4/3000userlogin.c 3000userlogin.c]. You’ll also have a better understanding of the permission system and the shell/terminal environment. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded ba...")
• 03:15, 22 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 3 (Created page with "In this tutorial, you will be experimenting with and extending [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w24/tut3/3000shell.c 3000shell.c], a proof-of-concept program to show you how a Linux shell works. Also, 3000shell's source code will be used as the basis for further modifications in upcoming assignments. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-conte...")
• 06:55, 13 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 2 (Created page with "In this tutorial, you will revisit the lifecyle of a program, from source code, to an executable (binary image), and further to loading it into the address space. Then from a different angle, you can see when in execution, how the program (now a process) makes different types of calls to function, and how its memory is laid out. Meanwhile, we can also see how a programmer can make use of existing code (libraries). ==General Instructions (same for all tutorials)== <div...")
• 19:01, 5 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Downloading files from your Openstack VM (Created page with "You will need to transfer files between the Openstack VM and your own PC from time to time, for example, when submitting your tutorial/assignment work. As your laptop/desktop does not have a fixed IP the VM can connect to, it is always better to initiate the connection from your PC to the VM, which has a floating IP address associated. Here, you have a few options depending on your situation. Choose one that works for you or feel free to use other alternatives. ==Using...")
• 18:38, 5 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Connecting to SCS Openstack (Created page with "If you want to access the openstack environment during a video call (or when watching a movie online), please do not leave the Carleton VPN connected. You may also want to avoid your personal online activities going through the VPN or just simply need more convenience. Here are some alternative options. The instructions below assume you have created your VM instance with the VPN. Remember to replace <***> with your actual values. ==ProxyJump== <span style="color:#0000f...")
• 08:04, 5 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Tutorial 1 (Created page with "This first tutorial will prepare you for subsequent tutorials. You will familiarize yourself with the OS environment and, in particular, learn the basics of command-line interaction in Linux (Ubuntu). ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded based on participation and effort ('''so no need to struggle to have the “correct” answers...")
• 07:55, 5 January 2024 Lianyingzhao talk contribs created page File:Select-flavor-w24-580px.jpg
• 07:55, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-flavor-w24-580px.jpg
• 07:52, 5 January 2024 Lianyingzhao talk contribs created page File:Select-image-w24-580px.jpg
• 07:52, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-image-w24-580px.jpg
• 07:51, 5 January 2024 Lianyingzhao talk contribs created page File:Select-project-w24-400px.jpg
• 07:51, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-project-w24-400px.jpg
• 07:43, 5 January 2024 Lianyingzhao talk contribs created page File:Select-project-w24-300px.jpg
• 07:43, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-project-w24-300px.jpg
• 07:27, 5 January 2024 Lianyingzhao talk contribs created page COMP3000 Operating Systems W24: Openstack Instructions (Created page with "You can create a VM instance on the [https://carleton.ca/scs/tech-support/scs-open-stack/ SCS openstack] cluster for the tutorials, by doing the following: (obvious steps are skipped) # [https://carleton.ca/its/help-centre/remote-access/ Connect to Carleton's VPN]. # Log in to [https://openstack-stein.scs.carleton.ca/ https://openstack-stein.scs.carleton.ca/] # Most of you would need to refresh your SCS account to have the right entitlements for our course (or you may...")
• 07:22, 5 January 2024 Lianyingzhao talk contribs created page File:Select-image-w24.jpg
• 07:22, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-image-w24.jpg
• 07:14, 5 January 2024 Lianyingzhao talk contribs created page File:Select-project-w24.jpg
• 07:14, 5 January 2024 Lianyingzhao talk contribs uploaded File:Select-project-w24.jpg
• 08:37, 24 December 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems 2024W (Created page with "'''Note: this page's purpose is to host publicly available material linked from Brightspace. Please use Brightspace as the primary source of information to stay updated.''' ==Course Outline== Aside from in Brightspace, you can also find it [https://service.scs.carleton.ca/sites/default/files/course_outlines/outline_comp3000-w23-dec25.pdf here]. ⚠️ For all submissions (regardless of whether collaboration is allowed), the answers must be your own words. Any answers c...")
• 06:50, 22 March 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 9 (Created page with "By the end of this tutorial, you will have a basic familiarity with the Docker platform and be able to run, operate, and customize containers, and create simple containers of your own. You will see how kernel building blocks like namespaces make containers possible. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded based on participation and effo...")
• 04:12, 14 March 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 8 (Created page with "In this tutorial, you’ll be learning about how virtual addresses are mapped to physical addresses (the address translation) and continue to use kernel modules to extract information that only the kernel has access to. In particular, the kernel module performs a 5-level page table walk to find out the physical address corresponding to a userspace virtual address. In addition to what was discussed in the class, You can also read [https://en.wikipedia.org/wiki/Intel_5-lev...")
• 05:59, 8 March 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 7 (Created page with "In this tutorial you'll be learning about special files and Linux kernel modules, part of which are device drivers. You’ll create several kernel modules and see how to interact with device drivers using special files (e.g., character device) and their file operations as an interface. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded based on pa...")
• 05:53, 8 March 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 7 Not Using SCS OpenStack (Created page with "If you are not using our course VM for some reason, you might encounter problems and you can refer to the instructions below. Although they are by no means comprehensve to solve the problems, they can in many cases and serve as pointers about where to look. ==Modules fail to build== If you see errors (not just warnings) after running <tt>make</tt> and no <tt>.ko</tt> file is produced, you may have installed a version of Ubuntu that is too minimal. But you can fix it by i...")
• 06:26, 1 March 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 6 (Created page with "In this tutorial you will be learning about two implementations of the [https://en.wikipedia.org/wiki/Producer%E2%80%93consumer_problem producer-consumer problem], a classic example of a concurrency problem. The [http://pages.cs.wisc.edu/~remzi/OSTEP/ class textbook] covers concurrency in great detail in Chapters 25-34, and the producer-consumer problem is covered in [http://pages.cs.wisc.edu/~remzi/OSTEP/threads-cv.pdf Chapter 30 (Condition Variables)] and [http://pages...")
• 06:53, 2 February 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 5 (Created page with "In this tutorial you will be learning about files and filesystems by experimenting with and extending [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w23/tut5/3000test.c 3000test.c], and creating and manipulating local filesystems. '''WARNING:''' Several of the commands here can lead to system corruption and data loss if not properly used. You have been warned. Please use a VM and make backups, when necessary. '''Note: there are two parts of Tasks/Questions, Part...")
• 04:59, 24 January 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 4 (Created page with "In this tutorial, you will learn about how user accounts and logging in work through exploring [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w23/tut4/3000userlogin.c 3000userlogin.c]. You’ll also have a better understanding of the permission system and the shell/terminal environment. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded ba...")
• 06:28, 22 January 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 3 (Created page with "In this tutorial, you will be experimenting with and extending [https://people.scs.carleton.ca/~lianyingzhao/comp3000/w22/tut3/3000shell.c 3000shell.c], a proof-of-concept program to show you how a Linux shell works. Also, you will be learning to read and modify C code, which prepares you for subsequent tutorials and assignments. ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsib...")
• 03:03, 17 January 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Downloading files from your Openstack VM (Created page with "You will need to transfer files between the Openstack VM and your own PC from time to time, for example, when submitting your tutorial/assignment work. As your laptop/desktop does not have a fixed IP the VM can connect to, it is always better to initiate the connection from your PC to the VM, which has a floating IP address associated. Here, you have a few options depending on your situation. Choose one that works for you or feel free to use other alternatives. ==Using...")
• 08:07, 16 January 2023 Lianyingzhao talk contribs moved page COMP3000 Operating Systems W23: Tutorial 2- to COMP3000 Operating Systems W23: Tutorial 2
• 07:33, 16 January 2023 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 2- (Created page with "This first tutorial will prepare you for subsequent tutorials. You will familiarize yourself with the OS environment and, in particular, learn the basics of command-line interaction in Linux (Ubuntu). ==General Instructions (same for all tutorials)== <div class="mw-collapsible mw-collapsed"> Click on Expand to view. <div class="mw-collapsible-content"> Tutorials are graded based on participation and effort ('''so no need to struggle to have the “correct” answers...")