Based on ideas (and some code) by Darren Senn, but mostly written by yours truly. ... 3:56pm up 4 days, 2:14, 3 users, load average: 0.02, 0.05, 0.02 ...
Status quo for system-level performance ... available instrumentation is very sparse. 1-2p design center ... Lack of instrumentation in the Linux kernel. ...
Tracks the processes running on the machine and the state of the system ... acct Controls the suspension of process accounting based on the percentage of ...
Linux File systems The /proc CSL373 - Operating Systems Pawan Jain (2003CS10177) Shashwat Sehgal (2003CS10188) The /proc A pseudo file system Real time, resides ...
Chapter 8: Adding a Disk Unix Hard Disk Basics Installation and Configuration Barry Kane CMSC-691X Basic Steps Choose Disk Install Hardware Create Device Files ...
linux file system v.n.murali cse-597a presentation 03/29/2001, acknowledgement: a)linux kernel internals beck,bohm et al b)the linux kernel david gosling.
Evaluation of code coverage ... Insert the necessary instrumentation code when a function is called for the ... to produce correct code coverage results ...
Tools and Techniques for Designing and Evaluating Self-Healing Systems Rean Griffith, Ritika Virmani, Gail Kaiser Programming Systems Lab (PSL) Columbia University
End User and Sysadmin Basics commands. Shells. Shell: software providing a user interface ... No permissions: DOS, Win9x, MacOS9. Simple permissions: default ...
When writing a device driver you can either. Create a new, ... Obviously you need to be able to categorise the device. Some Linux categories are not clear ...
Describe methods and invariants needed to implement a new ... BSD implemented VFS for NFS: aim dispatch to different filesystems. VMS had elaborate filesystem ...
... of a grid network is the probability that a grid application program which ... NPR (Network Path Protection Ratio) RTV = tv/tn. tn : traffic volume before failure ...
Introducing the Solaris Operating Environment ufs File System. To a user ... Free blocks, free inodes, and free fragments. Free block map. Used inode map. 11/18/09 ...
SONPROC = executing on a CPU. SSTOP = stopped for debugger ... Interactive or CPU-intensive. Time spent on CPU. Time waited in dispatch queue. Memory usage ...
the emulator just needed a kernel and a boot loader to run standalone ... boots from floppy, hard disk, cdrom, and network. posix operating system api ...
File System Basics Adopted from Fred B. Schneider Department of Computer Science Cornell University * Agenda Definition Position Responsibilities Design Principles ...
Invented Remote Procedure Calls (RPC) Personal Juke box (hard disk based mp3 Apple iPOD? ... request was submitted until the first response is produced, not ...
PCI (and/or) ISA cards for almost any purpose. Requires drivers to be developed ... Custom designed distributed architectures. J2EE Jini, JavaSpaces. P2P, JXTA, ...
Define d nde y con qu estructura se localizan los directorios y ... dev/hdbX swap swap defaults 0 0. Nos aseguramos de que est activa. Cat /proc/swaps free ...
Security policy also called information flow policy, prevents unauthorized ... A range is a set of labels expressed by a lower bound and an upper hound. ...
Classifying existing rootkit-like malware and discussing how current anti ... but we don't want to be caught by X-VIEW detection (ala RkR or Black Light) ...
http://www.cl.cam.ac.uk/users/sjm217/papers/ih05coverttcp.pdf ... So, do we really need hidden processes? ... manually create short-life processes (not hidden) ...
Sistemas de Archivos y Swap Carmelo Quintana Hern ndez. a3182@dis.ulpgc.es Miguel Ram rez Alem n. a3183@dis.ulpgc.es INTRODUCCI N El proceso abierto y distribuido ...
linux file system v.n.murali cse-597a presentation 03/29/2001, acknowledgement: a)linux kernel internals beck,bohm et al b)the linux kernel david gosling.
has ability to manually create short-life processes (not hidden) ... He4Hook (only some versions) Raw IRP hooking on fs driver. prrf by palmers (Phrack 58! ...
Security Policies C. Edward Chow CS591 Chapter 5.2/5.4 of Security in Computing Goals of Confidentiality Policies Confidentiality Policies emphasize the ...
Trap. error or exception occurred. may cause process to be moved to Exit state. Supervisor call ... Child inherits open file descriptors from the parent. ...
We use hacks to detect some known stealth malware (e.g. hidden processes) ... Not just hacks! Joanna Rutkowska, http://invisiblethings.org, 2006. 21. 21 ...
Confidentiality Policies emphasize the protection of confidentiality. ... Confine the damage caused by flowed or malicious software. Processing pipeline guarantees ...
Secret (S) Sally, Samuel Electronic Mails. Confidential (C) Claire, Clarence Activity Log Files ... A state v V of a system is a 4-tuple (b, m, f, h), where ...
First released with Solaris 10 operating System. Now included with Apple ... ltrace, and strace operate one process at a time, with no system-wide capability ...