Sistemas operacionais 13
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The document provides instructions for various Linux commands used to manage and monitor processes, schedule jobs, compare files, join and manipulate text files. It discusses commands like ps, jobs, iostat, vmstat, at, crontab, diff, cut, paste, join, comm, tr and options for configuring Docker.
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Perintah perintah dasar linux Operating Sistem
presentation about base command line interface linux
please see in this link
http://roziq.com/perintah-perintah-dasar-linux-dan-konfigurasi-ip-address-cli/
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1. Creating PublishSubjects and PassthroughSubjects and subscribing to map and print events.
2. Creating BehaviorSubjects and CurrentValueSubjects, assigning initial values, and subscribing to print values.
3. Creating DisposeBags and Cancelables to clear subscriptions and resources.
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This script monitors a hardcoded process called "ssh" and restarts it if it stops running. It will attempt to restart the process 3 times before reporting a failure. The script logs status messages to a log file called "procmon.log". It uses color codes to identify status messages. The script contains functions to monitor the process, detect failures, and close the script logging the ending status.
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This C code creates a named pipe called "FIFO_PIPE" between a sender and receiver process. The sender process opens the pipe for writing, copies a test string into a buffer, writes it to the pipe, and closes the pipe. Any errors in creating, opening, writing to, or closing the pipe cause the sender process to exit with an error message.
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The document provides an overview of processes and job control in Unix systems. It discusses topics such as:
- The Unix process model and how programs become processes
- Process environment variables and manipulating the environment
- Backgrounding and foregrounding processes, and suspending and resuming processes
- Commands for obtaining process information and managing priorities
- Other useful commands including touch, stty, aliases, history, and grep
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This Python code defines a module with version 0.0.1 that exports functions bar and buzz. If run as a script, it defines a main function that currently does nothing and calls it. The code also includes setup instructions to build documentation and package the module for distribution.
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our features are:
expert guidance by it industry professionals
lowest fees of 5000
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well equiped lab
after course resume writing guidance
Workshop programs
The document contains code snippets for several Python programs that demonstrate various Python features:
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- The list_comp.py program shows looping vs list comprehension to create lists
- The fav_movies.py program demonstrates reading from and writing to files
- The get_particular_line.py program reads a specific line from a file
- The zip_length.py program reads files from a zip archive and prints their lengths
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اسلاید اول جلسه پنجم کلاس پایتون برای هکرهای قانونی
جلسه پنجم و اسلاید شماره یک کلاس پایتون برای هکرهای قانونی
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Instructions/Instructions for shoerental/Page 319.PNG
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Unix Lab Exercise Week 5
Job Control :
1. How to suspend the jobs running in foreground ?
Open a file in vi and press CTRL-Z to put it into background
$ vi filename
CTRL-Z
filename[New file]
[1] + Stopped vi filename
$
where 1 is the job number, + or - make the current and previous jobs.
2. How to make it run in foreground ?
You can use fg command to make it run in foreground. If more than one job is suspended, you can use fg %n where n is the number is the sequence of the process to make that process come in foreground.
$ fg %1
Now you will see vi editor again.
3. How to make it run in background ? (Only stopped jobs)
You can use bg command to make it run in background. If more than one job is suspended, you can use bg %n where n is the number is the sequence of the process to make that process come in background.
Let us suspend this job one more time.
$ vi filename
CTRL-Z
filename[New file]
[1] + Stopped vi filename
$
Let us run in background .
$ bg %1
4. Another way to suspend a job by using kill command.
Run vi in this session.
Open another connection through telnet. Now you have two sessions.
Type ps command to see what processes are running.
$ ps
PID TT STAT TIME COMMAND
5226 q7 S 0:01 -ksh (ksh) - This is new shell
6314 q7 R 0:00 ps
5487 ub S 0:00 -ksh (ksh) - This is previous shell
6312 ub S 0:00 vi filename - vi is running in previous session.
Now send a STOP signal to the process. kill -l will give you a lo\ist of signals.
$ kill -STOP 6312
Now you will see this in the other session
[1] + Stopped (signal) vi filename
To .
Bash cheat sheet
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More Related Content
What's hot
Sol9
This C++ program takes a 5-digit number as input from the user, separates each digit, and calculates the reverse by multiplying each digit by its place value and adding the results. It outputs the reverse of the input number.
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This document contains a list of 50 basic Linux commands including ifconfig, history, cal, netstat, passwd, ls, clear, mkdir, dir, ping, hostname, df, ps, find, su, netstat -rn, free, uname, rmdir, adduser, cd, du, whoami, touch, rm, echo, addgroup, lsusb, exit, nautilus, ls -al, pico, last, finger, uptime and find for a Linux operating systems class. The commands are listed without descriptions or explanations.
Jose dossantos.doc
This C++ program defines two functions - SUMAR and MULTIPLICAR. SUMAR adds two float parameters with default values and returns the sum. MULTIPLICAR multiplies two float parameters with default values and returns the product. The main function calls the SUMAR and MULTIPLICAR functions and prints the results to the console, displaying the sum and product of the default parameter values.
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The document contains 5 sections of C++ code that perform various operations with arrays. Section 1 prompts the user to input values into an array and then outputs the array. Section 2 generates random numbers and stores them in 3 arrays, performing addition to populate the third array, and then outputs the 3 arrays. Section 3 prompts the user for a starting value and generates a sequential array, outputting the results. Section 4 generates random numbers for 2 arrays, performs various mathematical operations on each array element using a random number, and outputs the results.
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This document discusses how to view the most recent log entries in MongoDB by tailing the oplog, which contains replication metadata. It provides steps to set up a 3-node replica set, add documents to a collection, and use the local database to view the oplog.rs collection and see replication operations across nodes in real-time. Additional resources for learning about tailable cursors in MongoDB are also listed.
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The document provides an overview of processes and job control in Unix systems. It discusses topics such as:
- The Unix process model and how programs become processes
- Process environment variables and manipulating the environment
- Backgrounding and foregrounding processes, and suspending and resuming processes
- Commands for obtaining process information and managing priorities
- Other useful commands including touch, stty, aliases, history, and grep
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This Python code defines a module with version 0.0.1 that exports functions bar and buzz. If run as a script, it defines a main function that currently does nothing and calls it. The code also includes setup instructions to build documentation and package the module for distribution.
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This document provides an overview of analyzing memory forensics using Volatility 2.4. It demonstrates running various Volatility plugins like pstree to print processes, connscan to scan for TCP connections, printkey to print registry keys and values, and malfind to find hidden code injections. The document analyzes a Zeus memory sample, identifying processes, connections, registry keys used by the malware, and injected code, showing how Volatility can be used to analyze malware behavior and artifacts in memory forensics.
Effecting Pure Change - How anything ever gets done in functional programming...
Newcomers to functional programming are often mystified when they encounter pure functions and immutable data structures. A mathematical function which always produces the same output for the same input is so inflexible as to be almost useless! And surely how can you even represent even the simplest of dynamic program state without variables to store it in, to say nothing of fancy user interfaces, and complex input output.
This talk will present an overview of the various techniques that are used by functional programming languages to tackle state and external "effects" which are needed for any real world program. It will cover a large landscape ranging from Monads, to Algebraic Effects, to Functional Reactive Programming. And it will show how functional programming can be as *useful* for real world programs, as it is *beautiful*.
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The document provides an overview of the Go programming language, including its history, data types, basic syntax like variables and functions, and common constructs like arrays, slices, maps, and concurrency features. It was developed at Google in 2009 and aims to provide efficiency of static typing with ease of dynamic languages through features like garbage collection and good support for concurrency and communication.
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This document provides an overview of the Clojure programming language by covering basic concepts like scalars, collections, sequences, functions, and real-world examples using Clojure for things like automated tests, SQL, JSON parsing, XML parsing, HTML templating, and GUI programming. It also lists popular Clojure resources like websites, videos, books, and Clojure implementations for different platforms.
Shell and perl scripting classes in mumbai
Shell and perl scripting classes in mumbai
best Shell and perl scripting classes in mumbai with job assistance.
our features are:
expert guidance by it industry professionals
lowest fees of 5000
practical exposure to handle projects
well equiped lab
after course resume writing guidance
Workshop programs
The document contains code snippets for several Python programs that demonstrate various Python features:
- The First.py program prints lines and gets user input
- The list_comp.py program shows looping vs list comprehension to create lists
- The fav_movies.py program demonstrates reading from and writing to files
- The get_particular_line.py program reads a specific line from a file
- The zip_length.py program reads files from a zip archive and prints their lengths
- The details.py program gets system details like name and IP address
- The password_gen.py program generates a random 10 character password
Build a compiler in 2hrs - NCrafts Paris 2015
The document discusses building compilers and domain-specific languages (DSLs) in F#. It describes using FParsec for parsing, building an abstract syntax tree (AST), and interpretation/execution. Examples include building parsers and interpreters for a turtle graphics language, an internal DSL for build automation, an external DSL for games, and a Small Basic compiler. It recommends resources like F# Koans, TryFSharp.org and the book for learning more.
Git avançado
This document discusses advanced Git topics including patches, commands that generate diffs, rewriting history, bisecting, rerere, moving code, and plumbling. It also explains how Git stores content in blobs by compressing a header, content, and SHA-1 hash into a file in the .git/objects directory based on the hash. Contact information is provided for questions.
Script
This Python script controls 8 GPIO pins on a Raspberry Pi by setting each one to low individually with a 2 second delay in between. It imports the RPi.GPIO library, sets the pin numbering mode, defines the pin list, sets the pins as outputs and initially high, then loops through lowering each pin one by one while printing the number and sleeping for 2 seconds, before cleaning up and ending.
Functional php
This document discusses functional programming concepts in PHP like pure functions, higher-order functions, and recursion. It provides examples of mapping, folding, and partial function application. Modularization with functional programming encourages decomposing problems into smaller parts and recomposing them with lazy evaluation and higher-order functions to reduce complexity.
Fork handout
The document provides instructions for completing a lab exercise on using Linux. It outlines steps to create and compile a simple "Hello World" C program using Linux commands. It then lists additional C programs with increasing complexity using functions like fork() as examples for further practice. The goal is to gain experience creating, compiling, and executing C programs on the Linux operating system.
اسلاید اول جلسه پنجم کلاس پایتون برای هکرهای قانونی
جلسه پنجم و اسلاید شماره یک کلاس پایتون برای هکرهای قانونی
این جلسه در مورد
فانکشن ها در پایتون بحث شد
Alta performance com Python
Palestra apresentada na Python Cerrado 2018 sobre programação assíncrona e concorrente com Python 3.x
What's hot (20)
n|u Dharamsala Humla : Memory Forensic by Tenzin Chokden
n|u Dharamsala Humla : Memory Forensic by Tenzin Chokden
Effecting Pure Change - How anything ever gets done in functional programming...
Effecting Pure Change - How anything ever gets done in functional programming...
اسلاید اول جلسه پنجم کلاس پایتون برای هکرهای قانونی
اسلاید اول جلسه پنجم کلاس پایتون برای هکرهای قانونی
Similar to Sistemas operacionais 13
InstructionsInstructions for numberguessernumberGuesser.html.docx
Instructions/Instructions for numberguesser/numberGuesser.html
Instructions/Instructions for numberguesser/Page 313.PNG
Instructions/Instructions for numberguesser/Page 314 Continued.PNG
Instructions/Instructions for numberguesser/Page 314.PNG
Instructions/Instructions for numberguesser/Page 315 Continued.PNG
Instructions/Instructions for numberguesser/Page 315.PNG
Instructions/Instructions for numberguesser/Page 316 Continued.PNG
Instructions/Instructions for numberguesser/page 316.PNG
Instructions/Instructions for shoerental/Page 316.PNG
Instructions/Instructions for shoerental/Page 317 Continued.PNG
Instructions/Instructions for shoerental/Page 317.PNG
Instructions/Instructions for shoerental/Page 318 Continued.PNG
Instructions/Instructions for shoerental/Page 318.PNG
Instructions/Instructions for shoerental/page 319 continued.PNG
Instructions/Instructions for shoerental/Page 319.PNG
Instructions/Instructions for shoerental/Page 320.PNG
Instructions/Instructions for shoerental/ShoeRentalClass.html
Instructions/lab4.docx
1. Complete the Programmers Workshop on pg 313-316 (Including Detective Work). Upload the numberGuesser.html file here.
2. Complete the Object Lesson on pg 316-320 (Including Detective Work). Upload the ShoeRentalClass.html page you create here.
Introduction to Unix - POS420
Unix Lab Exercise Week 5
Job Control :
1. How to suspend the jobs running in foreground ?
Open a file in vi and press CTRL-Z to put it into background
$ vi filename
CTRL-Z
filename[New file]
[1] + Stopped vi filename
$
where 1 is the job number, + or - make the current and previous jobs.
2. How to make it run in foreground ?
You can use fg command to make it run in foreground. If more than one job is suspended, you can use fg %n where n is the number is the sequence of the process to make that process come in foreground.
$ fg %1
Now you will see vi editor again.
3. How to make it run in background ? (Only stopped jobs)
You can use bg command to make it run in background. If more than one job is suspended, you can use bg %n where n is the number is the sequence of the process to make that process come in background.
Let us suspend this job one more time.
$ vi filename
CTRL-Z
filename[New file]
[1] + Stopped vi filename
$
Let us run in background .
$ bg %1
4. Another way to suspend a job by using kill command.
Run vi in this session.
Open another connection through telnet. Now you have two sessions.
Type ps command to see what processes are running.
$ ps
PID TT STAT TIME COMMAND
5226 q7 S 0:01 -ksh (ksh) - This is new shell
6314 q7 R 0:00 ps
5487 ub S 0:00 -ksh (ksh) - This is previous shell
6312 ub S 0:00 vi filename - vi is running in previous session.
Now send a STOP signal to the process. kill -l will give you a lo\ist of signals.
$ kill -STOP 6312
Now you will see this in the other session
[1] + Stopped (signal) vi filename
To .
Bash cheat sheet
This document provides a cheat sheet of common Linux bash shell commands organized into categories such as basic commands, file manipulation, searching files, process management, user accounts, and installing software. It lists commands, parameters, and examples to view, edit, copy, move, delete, compress, extract, search for, and manage files, directories, and processes from the Linux terminal.
Bash cheat sheet
This document provides a cheat sheet of Linux Bash shell commands organized into categories such as basic commands, file manipulation, searching files, process management, user accounts, permissions, redirection, archiving, and installing software. It lists common commands and their basic syntax, examples, and descriptions to help users navigate the Linux terminal, manage files and folders, view and kill processes, set up user accounts, and compress or install programs.
Linux cheat sheet
This document provides a cheat sheet for common Linux Bash shell commands. It includes sections on basic commands, file manipulation, process management, user accounts, file permissions, flow redirection, archiving/compressing data, and installing software. The cheat sheet lists over 50 commands and provides examples of how to use each one.
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2. Commands for working with files and directories, including cat, cp, mv, rm, find, locate, chmod.
3. Commands for viewing system information, such as uptime, free, df, du, uname.
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Perf stat windows
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Examples -partII
1. The document provides examples of common Linux commands and their usage including tar, grep, find, ssh, sed, awk, vim, diff, sort, export, xargs, ls, ifconfig, uname, ps, free, top, df, kill, rm, cp, mv, cat, mount, chmod, chown, passwd, mkdir, ifconfig, uname, whereis, whatis, and locate.
2. Examples shown include how to create, extract, and view tar archives, search files with grep, find files, login remotely with ssh, edit files with vim, compare files with diff, view processes with ps, check storage usage with df, terminate processes with kill, manage files
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This document provides 50 examples of common Linux/Unix commands along with brief explanations and usage examples for each command. Some of the commands highlighted include tar, grep, find, ssh, sed, awk, vim, diff, sort, and ls. The examples cover a wide range of tasks from compressing/extracting files to searching/editing text to managing processes and permissions.
50 most frequently used unix
This document provides 50 examples of common Linux/Unix commands along with brief explanations and usage examples for each command. Some of the commands highlighted include tar, grep, find, ssh, sed, awk, vim, diff, sort, export, xargs, ls, pwd, cd, gzip, bzip2, unzip, shutdown, ftp, crontab, service, ps, top, df, kill, rm, cp, mv, cat, mount, chmod, chown, passwd, mkdir, ifconfig, and uname. The document is intended to give readers a quick start on frequently used commands.
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- 2. Bibliografia
- 7. ll file_name
- 8. chmod ugo+rwx file_name chmod +rwx file_name pstree
- 10. ps –f To list processes along with the parent process ID associated with the current terminal, enter the followin command:
- 11. To list processes with the parent process ID along with the process state, enter the following command: $ ps –lf
- 12. To list all the processes running in the operating system including system processes, enter the following command: ps –ef
- 13. $ Hello & $ sle ep 10000 Jobs: Show background process fg 3: Retorna processo para foreground bg 3: retorna processo para background
- 14. iostat
- 15. vmstat Estatísticas da memória virtual vmstat –t 1 5 Executa a cada 1 segundo 5 vezes
- 16. $ at 11.15 AM at > echo "Hello World" > $HOME/log.txt at > Control + D atq- Lista todos os agendamentos atrm job-id - Remove agendamento
- 17. $ crontab –e wq # save and quite crontab job 5 * * * * $HOME/bin/daily.job >> $HOME/tmp/out 2>&1 Executar a cada 5 minutos
- 18. 5 0 * * * $HOME/bin/daily.job >> $HOME/tmp/out 2>&1 Executar a 5 minutos depois da meia noite 15 14 1 * * * $HOME/bin/monthly noite Executar 14 e 15 no primeiro dia de todo mês
- 20. I go for shopping on Saturday I rest completely on Sunday I use Facebook & Tweeter for social networking Today is Monday. I go for shopping on Saturday I rest completely on Sunday I use Facebook & Tweeter for social networking File 1 File 2
- 21. diff file1 file2 cut -d: -f1,3 /etc/passwd cut -d: -f1-5 /etc/passwd Juntar dois arquivos horizontalmente paste file_1 file_2
- 22. 1 India 2 UK 3 Canada 4 US 5 Ireland 1 New Delhi 2 London 3 Toronto 4 Washington 5 Dublin $ join one.txt two.txt
- 23. $ cat test aa aa cc cc bb bb yy zz $ uniq test uniq command
- 24. comm command
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- 31. DOCKER SWARM