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Combined display of all available logs of Soma-notes. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

18:00, 16 January 2023 Soma talk contribs created page DistOS 2023W 2023-01-16 (Created page with "Video from the second half of class is available in Brightspace in the Zoom portal. ==Notes== <pre> Lecture 3 --------- Group reports - can be bullet points, but paragraphs are better - should be self-contained, should be readable by someone who hasn't done the readings - but you don't have to summarize the entire paper, just make the points you discussed clear Monday group reports are due Friday Wednesday group reports are due Monday (and responses are due...")
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...")
19:13, 13 January 2023 Soma talk contribs created page Mobile Apps 2023W Lecture 2 (Created page with "==Jetpack Compose== * [https://developer.android.com/courses/jetpack-compose/course Jetpack Compose course]")
21:37, 11 January 2023 Soma talk contribs created page Mobile Apps 2023W Lecture 1 (Created page with "Video from this class is available through Brightspace. ==Notes== <pre> Lecture 1 --------- So...this class is small. Very small. - currently 15 are registered, according to Brightspace - and about half of that are here today... Because the class is so small, we don't have to have a rigid tutorial/assignment/midterm/final structure. In fact, we could do individual projects. Potential topics: - jetpack compose - gestures - web views - app permissions - app...")
23:38, 10 January 2023 Soma talk contribs created page DistOS 2023W 2023-01-11 (Created page with "==Group Discussion== Today we'll be discussing the challenges in building distributed applications. To this end, we will start with the following design exercise. You'll be split into small groups to discuss, and then we'll meet together to discuss what you all found. Every group should take notes so you can write up a group report afterwards. You should also appoint someone to tell the class a 2 minute (or less) highlights from your discussion. ===The Scenarios===...")
21:58, 10 January 2023 Soma talk contribs created page DistOS 2023W 2023-01-09 (Created page with "Video from today's lecture is available on Brightspace, in Zoom->Cloud Recordings. ==Notes== <pre> Lecture 1 --------- What is a distributed operating system? First, it is an operating system - the code that transforms the computer that you have into the one you want to program - abstraction, resource management in the service of applications A distributed OS is one that runs across multiple computers connected via a network (or networks) So, why do we need...")
03:43, 6 January 2023 Lianyingzhao talk contribs created page File:Select-flavor-w23.jpg
03:43, 6 January 2023 Lianyingzhao talk contribs uploaded File:Select-flavor-w23.jpg
03:25, 6 January 2023 Lianyingzhao talk contribs created page File:Select-image-w23.jpg
03:25, 6 January 2023 Lianyingzhao talk contribs uploaded File:Select-image-w23.jpg
03:06, 6 January 2023 Lianyingzhao talk contribs created page File:Select-project-w23.jpg
03:06, 6 January 2023 Lianyingzhao talk contribs uploaded File:Select-project-w23.jpg
01:49, 4 January 2023 Soma talk contribs created page Mobile Applications (Winter 2023) Course Outline (Created page with "==Course Information== *'''Course Number:''' COMP 2601A *'''Term:''' Winter 2023 *'''Title:''' Mobile Applications *'''Institution:''' Carleton University, School of Computer Science *'''Instructor:''' [https://people.scs.carleton.ca/~soma Anil Somayaji] (anilsomayaji at cunet.carleton.ca): online by appointment *'''Teaching Assistants:''' ** (at cmail.carleton.ca): TBD *'''Class:''' Wed. and Fri. 14:35-16:25 (Jan. 9 to Apr. 12) via Zoom (see Brightspace for link) *'''...")
01:21, 4 January 2023 Soma talk contribs created page Mobile Applications (Winter 2023) (Created page with "==Course Outline== Here is the course outline for COMP 2601: Mobile Applications.")
17:42, 3 January 2023 Soma talk contribs created page Distributed OS: Winter 2023 Course Outline (Created page with "==Course Information== *'''Course Number:''' COMP 4000/5102 *'''Term:''' Winter 2023 *'''Title:''' Distributed Operating Systems *'''Institution:''' Carleton University, School of Computer Science *'''Instructor:''' [http://people.scs.carleton.ca/~soma Anil Somayaji] (anil.somayaji at carleton.ca). Office hours by appointment online. *'''Teaching Assistant:''' Nilofar Mansourzadeh (NilofarMansourzadeh at cmail.carleton.ca). Office hours TBD, online *'''Meeting Time:'''...")
17:19, 3 January 2023 Soma talk contribs moved page Distributed OS: Fall 2022 to Distributed OS: Winter 2023 without leaving a redirect
17:18, 3 January 2023 Soma talk contribs created page Distributed OS: Fall 2022 (Created page with "==Course Outline== Here is the course outline.")
18:31, 30 December 2022 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: 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 . The instructions below assume you have created your VM instance with the VPN. ==Linux== <span style="color:#0000ff;font-weight:bold">ssh -J CarletonUserName@access.scs.carleton.ca VMUserName@VMIP</span> This above is the ea...")
23:51, 29 December 2022 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: 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...")
06:19, 28 December 2022 Lianyingzhao talk contribs created page COMP3000 Operating Systems W23: Tutorial 1 (Created page with "This first tutorial will prepare you for all subsequent tutorials. You will familiarize yourself with the OS environment and, in particular, learn the basics of command-line interaction in Linux (Ubuntu). When source files are needed, you can download them by clicking on the hyperlink. {{Collapse top}} Tutorials are graded based on participation and effort ('''so no need to try to have the “correct” answers — what matters is the process'''), but you should still t...")
09:01, 22 December 2022 Lianyingzhao talk contribs created page COMP3000 Operating Systems 2023W (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 here. ⚠️ For all submissions (regardless of whether collaboration is allowed), the answers must be your own words. Any answers copy-pasted or rephrased from someone else with high resemblance are identified in your submission, yo...")
23:23, 8 December 2022 Soma talk contribs created page Operating Systems 2022F Lecture 23 (Created page with "==Video== Video from the lecture given on December 8, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec23-20221208.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec23-20221208.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 23 ---------- * Assignment 4 solutions * Final...")
04:40, 7 December 2022 Soma talk contribs created page Operating Systems 2022F Lecture 22 (Created page with "==Video== Video from the lecture given on December 6, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec22-20221206.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec22-20221206.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 22 ---------- Today - answer questions about A4...")
19:55, 1 December 2022 Soma talk contribs created page Operating Systems 2022F Lecture 21 (Created page with "==Video== Video from the lecture given on December 1, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec21-20221201.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec21-20221201.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 21 ---------- - Assignment 4 due in a week - ad...")
02:28, 30 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 20 (Created page with "==Video== Video from the lecture given on November 29, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec20-20221129.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec20-20221129.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 20 ---------- 4 more classes, including today! F...")
00:08, 23 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 19 (Created page with "==Video== Video from the lecture given on November 22, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec19-20221122.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec19-20221122.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 19 ---------- - No class Thursday (US Thanksgivi...")
04:47, 22 November 2022 Soma talk contribs created page Operating Systems 2022F: Assignment 4 (Created page with "'''This assignment is still being developed.''' ==Source== [https://homeostasis.scs.carleton.ca/~soma/os-2022f/code/c3000procreport.zip c3000procreport.zip] ===c3000procreport.c=== <syntaxhighlight lang="c" line> c3000procreport.c Anil Somayaji November 21, 2022 creates a device /dev/procreport that, when read, reports on the process reading the device based on newgetpid and 3000physicalview Carleton University COMP 3000, Fall 2022: #inc...")
22:06, 17 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 18 (Created page with "==Video== Video from the lecture given on November 17, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec18-20221117.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec18-20221117.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 18 ---------- Side note: - there are only *thre...")
02:05, 16 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 17 (Created page with "==Video== Video from the lecture given on November 15, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec17-20221115.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec17-20221115.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 17 ---------- - midterms, A2 are graded - fee...")
02:00, 12 November 2022 Soma talk contribs created page Operating Systems 2022F: Assignment 3 (Created page with "Please submit the answers to the following questions via Brightspace by November 21, 2022 by 11:59 PM. There are ?? points in ?? questions. Submit your answers as a plain text file following [https://homeostasis.scs.carleton.ca/~soma/os-2022f/templates/comp3000-a3-template.txt this template]. Name your answer file "comp3000-assign3-<username>.txt" (where username is your MyCarletonOne username). '''Please make sure your submission passes the [https://homeostasis.scs.c...")
21:52, 10 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 16 (Created page with "==Video== Video from the lecture given on November 10, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec18-20221110.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec18-20221110.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 16 ---------- - scheduling - eBPF For Tutorial...")
02:21, 9 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 15 (Created page with "==Video== Video from the lecture given on November 8, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec15-20221108.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec15-20221108.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 15 ---------- * Washer delivery happening shortly...")
16:25, 7 November 2022 Soma talk contribs created page Operating Systems 2022F: Tutorial 9 (Created page with "==Introduction== WARNING: The commands and programs in this tutorial are potentially extremely dangerous and may result in crashes or loss of data. Additionally, questions may not work as expected on a machine other than the course VM. For that reason, you are strongly encouraged to do this tutorial on the provided OpenStack virtual machine. In this tutorial we will be examining the physical memory mapping of processes with the help of a kernel module that performs a 5-...")
16:24, 7 November 2022 Soma talk contribs created page Operating Systems 2022F: Tutorial 8 (Created page with "In this tutorial you'll be learning about special files and how to create one kind of special file, a character device, using Linux kernel modules. =Special Files= In this part your goal is to learn how special files are similar and different from regular files. ==Learning Objectives== * What does a special file represent? * Can you have multiple special files that are somehow "the same"? What does it mean to "copy" a special file? * What are character devices used f...")
20:12, 3 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 14 (Created page with "==Video== Video from the lecture given on November 3, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec14-20221103.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec14-20221103.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 14 ---------- Assignment 3 has not yet been relea...")
16:52, 2 November 2022 User account Huzaifa talk contribs was created by Soma talk contribs and password was sent by email (COMP 3000 2022F)
16:51, 2 November 2022 Soma talk contribs created page Operating Systems 2022F: Tutorial 7 (Created page with "'''This tutorial is still being developed.''' In this tutorial you will use a variety of bpftrace scripts in order to observe 3000shell and other running programs. ==ptrace, eBPF, and bpftrace== Processes are normally isolated from each other, in that code and data in one cannot be accessed by another. However, in the past tutorials we've used tools to observe process behaviour: <tt>strace</tt>, <tt>ltrace</tt>, and <tt>gdb</tt>. It turns out these programs use a sp...")
15:15, 2 November 2022 Soma talk contribs created page Operating Systems 2022F Lecture 13 (Created page with "==Video== Video from the lecture given on November 1, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec13-20221101.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec13-20221101.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 13 ---------- Bit behind on things - grading in p...")
18:24, 21 October 2022 Soma talk contribs created page Operating Systems 2022F: Tutorial 6 (Created page with "In this tutorial you'll 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....")
19:43, 20 October 2022 Soma talk contribs created page Operating Systems 2022F Lecture 12 (Created page with "==Video== Video from the lecture given on October 20, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec12-20221020.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec12-20221020.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 12 ---------- To update your VM - backup! (thes...")
22:16, 18 October 2022 Soma talk contribs created page Operating Systems 2022F Lecture 11 (Created page with "==Video== Video from the lecture given on October 18, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec11-20221018.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec11-20221018.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 11 ---------- Grading - working on A2 and the mi...")
14:32, 14 October 2022 Soma talk contribs created page Operating Systems 2022F: Tutorial 5 (Created page with "In this tutorial you will be learning about files and filesystems by experimenting with and extending [http://homeostasis.scs.carleton.ca/~soma/os-2017f/code/tut3/3000test.c 3000test.c] (listed below), creating and manipulating local filesystems, and mounting remote files using sshfs. The following are written assuming you are using an openstack virtual machine. Some questions may require some changes if you are using another environment. '''WARNING:''' Several of the...")
00:45, 12 October 2022 Soma talk contribs created page Operating Systems 2022F Lecture 10 (Created page with "==Video== Video from the lecture given on October 11, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec10-20221011.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec10-20221011.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 10 ---------- Admin - A1 is graded. To find the...")
19:48, 6 October 2022 Soma talk contribs created page Operating Systems 2022F Lecture 9 (Created page with "==Video== Video from the lecture given on October 6, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec09-20221006.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec09-20221006.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 9 --------- Admin stuff - Assignment 2 is due Tues...")
01:53, 5 October 2022 Soma talk contribs created page Operating Systems 2022F Lecture 8 (Created page with "==Video== Video from the lecture given on October 4, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec08-20221004.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec08-20221004.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 8 --------- Tutorial 4 covers SSH & permissions/us...")
22:13, 29 September 2022 Soma talk contribs created page Operating Systems 2022F: Assignment 2 (Created page with "'''This assignment is still being developed.''' '''If you submission: * Doesn't pass the validator, * Is not named "comp3000-assign2-myname" where myname is your MyCarletonOne username, or * Does not contain your Student ID number in the designated part of the template Then your submission will automatically get a grade of zero, because it won't work with the submission scripts. You have been warned!'''")
20:21, 29 September 2022 Soma talk contribs created page Operating Systems 2022F Lecture 7 (Created page with "==Video== Video from the lecture given on September 29, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec07-20220929.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec07-20220929.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 7 --------- Covered A1 solutions, walked throug...")
03:56, 28 September 2022 Soma talk contribs created page Operating Systems 2022F Lecture 6 (Created page with "==Video== Video from the lecture given on September 27, 2022 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec06-20220927.m4v video] * [https://homeostasis.scs.carleton.ca/~soma/os-2022f/lectures/comp3000-2022f-lec06-20220927.cc.vtt auto-generated captions] Video is also available through Brightspace (Resources->Zoom meeting->Cloud Recordings tab) ==Notes== <pre> Lecture 6 --------- - validator not working: read the...")
16:21, 26 September 2022 Soma talk contribs created page GDB quick start (Created page with "==Getting Started== * Type "gdb <program>" to debug a program binary * Compile with -g (to get debugging symbols) (keep -O) to allow gdb to have more info about the program when debugging. But it will work without -g. * At the prompt type "run" to run it under gdb's control. * To debug an already running program, type "attach <PID>" * By default gdb can only attach to child processes. To allow attaching to processes that aren't gdb's children, do the following: sudo...")