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Add the /tmp directory to your PATH. Ensure that the PATH is available to all child shell sessions. This change does NOT need to persist across boots. What command(s) did you use for this?
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- user whose ID is beilish is working in a typical Linux system. She issues the command "pwd"and the response is "/home/beilish/alpha/config". She now wants to work in the directory /home/beilish/beta/test. Show three (3) different commands,any of which the user could issue to move from the first directory to the second,and for each command briefly explain how it works. Note: Each command must be independent, not relying on any prior command.What is the linux logging feature that will provide email details?Which facility.priority (provide) will result in the most verbose logs for the previous facility?You have made modifications to the file /etc/apache2/sites-enabled/000-default.conf to change the "DirectoryIndex index.py" to be "DirectoryIndex newstartpage.py". Both files are in the directory, but when you test it, the original entry (index.py) continues to come up. What do you need to do? Change the "DocumentRoot" Remove the file "index.py" Restart the browser you use to test the application Restart apache by entering sudo systemctl restart apache2
- On the cmsy255 server, write a bash shell script called usrinfo that displays information about a specified user. Make sure the script file is executable. Also make sure that you can run the script without having to specify the directory. For example, you should NOT have to enter ./usrinfo in order for it to run.[ Question related to Aws Ec2] When We Host Webserver On Ec2 Linux Instance ,We can access it from Putty Right? But We can do the same task using Windows Command prompt also . Since windows and Linux both have different syntax,How's This Possible to access from Command prompt itself?[ Question related to Aws Ec2] When We Host Webserver On Ec2 Linux Instance,We can access it from Putty Right? But We can do the same task using Windows Command prompt also . Since windows and Linux both have different syntax, How's This Possible to access from Command prompt itself?
- Write a single Linux pipeline command to display the last 20 filenames in your home directory (non hidden) that match the pattem file (uppercase or lowercase). You can use any directory pathname.On the cmsy255 server, write a bash shell script called usrinfo that displays information about a specified user. Make sure the script file is executable. Also make sure that you can run the script without having to specify the directory. For example, you should NOT have to enter ./usrinfo in order for it to run. The script should: ● ● ● Accept 1 argument from the command line (this is the User ID that you want to display info for) finger the User ID display any lines from the who command that match this User ID display any lines from the ps -ef command that match this User ID In addition, if the number of arguments is not exactly 1, display an appropriate error message and exit with an exit code of 1.A company has implemented a discretionary access control system for important documents and programs on a shared Linux server. Figure 1 shows the current implementation of the DAC system. It only applies to the directory /opt/company (you can ignore all files/directories that are not within this directory). The list of users is shown in the output from the firstls command; the members of each group is shown in the output of the tail command; the permissions are shown in the output of the second ls command. Assume the files are the objects, the subjects are the five users and there are four access rights: own, read, write and execute. Refer to Figure 4.2 and Table 2 in the textbook and complete the following subquestions I. Draw the Access Control Lists that illustrate the implementation on the Linux server; II. Draw the Capability Lists that illustrate the implementation on the Linux server; III. Build the Authorization Table that illustrate the implementation on the Linux server.
- "Add a new built-in path command that allows users to show the current pathname list, append one pathname, or remove one pathname. In your shell implementation, you may keep a data structure to deal with the pathname list. If you do not use execle() or execve() that allows you to execute with your own environment variables, you will need to add it to the “real” PATH environment variable for executables in the path to work correctly. The initial value of path within your shell shall be the pathname list contained in the PATH environment variable. Implement the path command as follows: • path (without arguments) displays the pathnames currently set. It should show pathnames separated by colons. For example, "/bin:/user/bin". • path + ./bin appends the pathname to the path variable. You may assume that only one pathname is added at a time. • path - ./bin removes the pathname to the path variable. You may assume that only one pathname is removed at a time. You may assume that there are no…[ Question related to Aws Ec2] When We Host Webserver On Ec2 Linux Instance ,We can access it from Putty Right? But We can do the same task using Windows Command prompt also . Since windows and Linux both have different syntax,How's This Possible to access from Command prompt itself? Please answer it Only if you are Aws Expert .You will not find the cd command in either /bin or /usr/bin, or in any directory listed in the PATH setting. Why? Where is it actually located? You may have to do a little outside research to answer this question.