LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
5th Edition
ISBN: 9781337569798
Author: ECKERT
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
error_outline
This textbook solution is under construction.
Students have asked these similar questions
When a printer is disabled,____________ .a. the print queue does not accept jobs and sends a message to the user noting that theprinter is unavailableb. the print queue accepts jobs into the print queue and holds them there until theprinter is enabled againc. the printer appears as off-line when an lp request is sentd. the print queue redirects all print jobs sent to it to /dev/null
In this part, we add the CPU temperature ID of the Raspberry Pi to the MQTT stream.
Open a new terminal and create a new script by the name of py and add the following content to it.
import paho.mqtt.client as mqtt
import time
from subprocess import check_output
from re import findall
def get_temp():
temp = check_output(["vcgencmd","measure_temp"]).decode("UTF-8")
return(findall("\d+\.\d+",temp)[0])
def on_connect(client, userdata, flags, rc):
print("Connected with result code "+str(rc))
client.subscribe("etec224_mqtt_test/")
global Connected
Connected = True
Connected = False
client = mqtt.Client()
client.on_connect = on_connect
client.connect("broker.emqx.io", 1883, 60)
client.loop_start()
while Connected!= True:
#Wait Here
time.sleep(0.1)
try:
while True:
value = get_temp()
client.publish('etec224_mqtt_test/', value)
time.sleep(1)
except KeyboardInterrupt:
client.disconnect()…
Write a simple PowerShell Script as follow:.
Create a scheduled task using PowerShell.
Create a schedule task which restarts a service of your choice.
Add a write-host command with a name called "zack".
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- JAVASCRIPT 10. getUsers a. Fetches users data from: https://jsonplaceholder.typicode.com/ (look at Resources section) b. Should be an async function c. Should utilize a try / catch block d. Uses the fetch API to request all users e. Await the users data response f. Return the JSON data */ function getUsers(){ }arrow_forwardAs a system administrator, you are tasked with identifying the reason for print jobs not getting completed. You notice that the queue status against one of the printers is “paused.” This does not provide a specific reason. To ease the process of troubleshooting in the future, you want the queue status to show specific notifications from the printer. Which of the following options would you enable for this purpose? a. Printer pooling b. Bidirectional printing c. Branch office direct printing d. List in the directoryarrow_forwardComputer Science Please explaın these codes and what the commands mean int main(){int sockfd;char buffer[MAXLINE];char* message = "Hello Server";struct sockaddr_in servaddr;int n, len;if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {printf("socket creation failed");exit(0);}memset(&servaddr, 0, sizeof(servaddr));servaddr.sin_family = AF_INET;servaddr.sin_port = htons(PORT);servaddr.sin_addr.s_addr = inet_addr("127.0.0.1");sendto(sockfd, (const char*)message, strlen(message),0, (const struct sockaddr*)&servaddr,sizeof(servaddr));printf("Message from server: ");n = recvfrom(sockfd, (char*)buffer, MAXLINE,0, (struct sockaddr*)&servaddr, &len);puts(buffer);close(sockfd);return 0;}arrow_forward
- JAVASCRIPT /*11. getUserPosts a. Receives a user id as a parameter b. Fetches post data for a specific user id from: https://jsonplaceholder.typicode.com/ (look at Routes section) c. Should be an async function d. Should utilize a try / catch block e. Uses the fetch API to request all posts for a specific user id f. Await the users data response g. Return the JSON data*/ function getUserPost(){ } /*12. getUser a. Receives a user id as a parameter b. Fetches data for a specific user id from: https://jsonplaceholder.typicode.com/ (look at Routes section) c. Should be an async function d. Should utilize a try / catch block e. Uses the fetch API to request a specific user id f. Await the user data response g. Return the JSON data */ function getUser(){ }arrow_forwardWhat is the difference between a thread at the user level and a thread at the kernel level? Determine the user and kernel level threads in the instances below. a. Whenever you create a new tab in a web browser (i.e. Chrome, Firefox etc.) b. A process sends a request for printing. c. Some user enables a spelling checking in a MS-Word document. d. A server daemon for providing some service to client on a server.arrow_forward• Exercise 1: Please create a script that print “Hello, your name.” • Exercise 2: Please create a directory call user_bin, and add it to PATH. Then mv script of Exercise 1 to user_bin. Then run it from your root directory.• Exercise 3: Add a new command call ‘l’ which will perform exact same as ‘ls -a’. • Exercise 4: Create a function call sortFile, which will sort all filenames of current directory.• Exercise 5: Please make your own page using shell script, print following as your page. <html><head><title>My System Information</title></head><body><h1>My System Information</h1></body></html> Exercise 6: Could you add one variable in the example, name the variable as greeting, which displays “Hello, my name is xxx xxx” in the body using variable greeting.• Exercise 7: Could you add one variable in the example, name the variable as FILE_LIST, which displays the filenames of current working directoryarrow_forward
- A local write system call is not an idempotent operation but the write remote procedure call in NFS is idempotent. What makes the NFS RPC call idempotent? a) The write RPC sends data from the client's buffer cache rather than from the user's program. b) One of the parameters is the file offset. c) The RPC system supports at-most-once semantics. d) Each procedure call contains a unique sequence number so duplicates can be discarded.arrow_forwardLinux - Ubuntu Create a file named <yourdomain>.db in /etc/bind/, this file will containall the resource records for that domain. Edit the created file in the begining of question and add a SOA resource record. Consult and before setting the SOA values. Next set up an NS record and a corresponding glue record. Allocate one of the IP-addresses you created in porpose of building the Dns server to each subdomains NS. In the attached picture is the name of the domain . Would you attach the anwser with shotscreen for each step . Thanksarrow_forwardLinux Homework Please show console output 1: Please create a script that prints “Hello, your name.” 2: Please create a directory call it yourname_bin, and add it to PATH. Then move the script “Hello, your name” to yourname_bin. Then run it from your root directory. 3: Add a new command called ‘a’ which will perform exact same as ‘ls -a’. 4: Create a function call it yournamesortFile, which will sort all filenames of current directory. 5: Please make your own page using shell script, print following as your page. <html> <head> <title> YourName System Information </title> </head> <body> <h1>YourNameSystem Information</h1> </body> </html> 6: Add one variable in the example, name the variable as greeting, which displays “Hello, my name is your name” in the body using variable greeting. 7: Add one…arrow_forward
- Which function searches an environmenr list that are provided by the host environment? a) getenv() b) system() c) srand() d) rand()arrow_forwardWrite a script that: Deletes all previously created directories from C:\bkp\Firefox\ Writes the amount of memory used by Firefox to a file C:\bkp\Firefox\%DATE% %TIME%\firefox.txt (%DATE% and %TIME% are current date and time) (if Firefox is running) Kills Firefox process (if it is running) Archives content of the Firefox profile directory to C:\bkp\Firefox\%DATE% %TIME%\firefox.zip Deletes the original Firefox profiles directory Shuts down the computerarrow_forwardI wrote the following socket code for the (capture the flag) exercise, need help concatenating data received from the server, as seen in the screenshot. ##################################################################### import socket import sys import threading HOST = 'cyber210.network' PORT = 8002 BUFFER_SIZE = 4096 # Create a socket object and connect to the server s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) with socket.socket() as s: s.connect((HOST, PORT)) # Define a function to be called for each line received from the server def handle_line(line): if line.startswith('>'): clean_line = line[1:] try: result = str(eval(clean_line)) + '\n' print(clean_line, result) s.sendall(result.encode()) except Exception as e: print(f'Error evaluating line {clean_line}: {e}') # Receive data from the server and process each line while True:…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.Computer ScienceISBN:9781337569798Author:ECKERTPublisher:CENGAGE L
LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
Computer Science
ISBN:9781337569798
Author:ECKERT
Publisher:CENGAGE L
Linux - Tutorial for Beginners in 13 MINUTES! [ UPDATED ]; Author: bai;https://www.youtube.com/watch?v=BMGixkvJ-6w;License: Standard YouTube License, CC-BY
What is Linux?; Author: Techquickie;https://www.youtube.com/watch?v=zA3vmx0GaO8;License: Standard YouTube License, CC-BY
Introduction to Linux and Basic Linux Commands for Beginners; Author: sakitech;https://www.youtube.com/watch?v=IVquJh3DXUA;License: Standard Youtube License