What is Linux alternative command?

Alternatives creates, removes, maintains, and displays information about the symbolic links comprising the alternatives system. The alternatives system is a re-implementation of the Debian alternatives system. Several programs fulfilling the same or similar functions often appear on a single system at the same time.

How do you use alternatives?

“We are making alternative arrangements in case of an emergency.” “The movie has an alternative ending.” “Their alternative lifestyle is not popular with their families.” “She is looking into alternative medicine for her disease.”

What is ETC alternatives?

/etc/alternatives is a directory that is used in keeping track of the alternatives currently in use, by a tool called update-alternatives .

How do I get rid of alternatives?

1 Answer

  1. Remove the link from /etc/alternatives.
  2. Remove the relevant file from the admin directory. /var/lib/dpkg/alternatives/ on ubuntu (debian may be the same but check the man pages under the FILES section) /var/lib/alternatives/ on CentOS 6&7.


What is Update-alternatives command?

update-alternatives creates, removes, maintains and displays information about the symbolic links comprising the Debian alternatives system. It is possible for several programs fulfilling the same or similar functions to be installed on a single sys‐ tem at the same time.

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What is alternative example?

An alternative is defined as an option. Corn as a side dish to an entree is an example of an alternative. Alternative is defined as something that does not conform to existing or mainstream standards. Acupuncture is an example of an alternative medical treatment.

What is a good sentence for alternative?

He had no alternative but to leave. I guess the alternative was worse. An alternative method of going public is to merge with a company that is already public. The back door was too far away for her rubbery legs, and the only alternative was the sink.

How do I install alternatives to Ubuntu?

How To Install And Switch Between Alternative Java Versions

  1. Check whether your Ubuntu is 32-bit or 64-bit file /sbin/init.
  2. Use the following command to extract the downloaded file sudo tar -xvf <your file name>.tar.gz.
  3. Step 5. Open /etc/profile file. …
  4. Now reload the environment . / etc/profile.


How do I use alternative Linux?


  1. Install. Add a group of alternatives to the system. …
  2. Remove. Remove an alternative and all of its associated secondary links. …
  3. Set. The symbolic link and secondaries for link group name set to those configured for path, and the link group is set to manual mode. …
  4. Auto. Switch the primary symlink name to automatic mode.


How do I set up Java alternatives?

Assuming one has installed a JDK in /opt/java/jdk1.8.0_144 then:

  1. Install the alternative for javac $ sudo update-alternatives –install /usr/bin/javac javac /opt/java/jdk1.8.0_144/bin/javac 1.
  2. Check / update the alternatives config: $ sudo update-alternatives –config javac.


How do I install Update-alternatives in Linux?

To provide alternatives on your system, follow these steps:

  1. Copy your scripts into the /usr/local/bin directory.
  2. Make the scripts executable: tux > sudo chmod +x /usr/local/bin/foo-{2,3} Copy.
  3. Run update-alternatives for both scripts: …
  4. Check the master link:
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How do I use python update alternatives?

So, to select Python 2 alternative, press 1 and then press <Enter>. Python 2 should be set as the default alternative for the python alternatives. As you can see, the current mode is manual. Even though the Best alternative is /usr/bin/python3 (Python 3), it’s using /usr/bin/python2 (Python 2).

What is update Java alternatives?

update-java-alternatives is a program to update alternatives for jre/jdk installations. update-alternatives is a symbolic link management system for linux (I’m sure there is little news here). You can, and really should, use both update-java-alternatives and update-alternatives together.

How do I update Python alternatives?

Install Python 3.7

  1. Install the python3.7 package using apt-get. sudo apt-get install python3.7.
  2. Add python3.6 & python3.7 to update-alternatives. sudo update-alternatives –install /usr/bin/python3 python3 /usr/bin/python3.6 1. …
  3. Update python3 to point to python3.7. …
  4. Test the version of python.


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