Linux Yum installation jdk

Yum provides commands for finding, installing, and deleting one, a group, or even all of the packages.

Options: Optional, option includes-H (Help),-y (when the installation process prompts you to select all "Yes"),-Q (does not show the installation process)

Command: The operation to be performed.

The object for the package operation.

Yum Common commands

1. List all updatable software inventory commands: Yum check-update

2. Update all software commands: Yum update

3. Install only the specified software commands: Yum install <package_name>

4. Update only the specified software commands: Yum update <package_name>

5. List all installed software inventory commands: Yum list

6. Remove Package Command: Yum remove <package_name>

7. Find package Commands: Yum search <keyword>

8. Clear the Cache command:

Yum Clean Packages: Clear the cache directory for packages

Yum Clean headers: Clear headers in cache directory

Yum Clean oldheaders: Clears the old headers from the cache directory

Yum Clean, yum clear all (= Yum packages; yum oldheaders): Clears the cache directory of the package and the old headers

Example: Yum install JDK

1. Review the current JDK version and uninstall

(Note 1:rpm-qa # # #解释: Check all installed RPM packages

grep JDK # # #解释: Displays the package with the string "JDK" in the name)

Yum provides commands for finding, installing, and deleting one, a group, or even all of the packages.
Options: Optional, option includes-H (Help),-y (when the installation process prompts you to select all "Yes"),-Q (does not show the installation process)

Command: The operation to be performed.

The object for the package operation.

Yum Common commands

1. List all updatable software inventory commands: Yum check-update

2. Update all software commands: Yum update

3. Install only the specified software commands: Yum install <package_name>

4. Update only the specified software commands: Yum update <package_name>

5. List all installed software inventory commands: Yum list

6. Remove Package Command: Yum remove <package_name>

7. Find package Commands: Yum search <keyword>

8. Clear the Cache command:

Yum Clean Packages: Clear the cache directory for packages

Yum Clean headers: Clear headers in cache directory

Yum Clean oldheaders: Clears the old headers from the cache directory

Yum Clean, yum clear all (= Yum packages; yum oldheaders): Clears the cache directory of the package and the old headers

Example: Yum install JDK

1. Review the current JDK version and uninstall

(Note 1:rpm-qa # # #解释: Check all installed RPM packages

grep JDK # # #解释: Displays the package with the string "JDK" in the name)

Yum provides commands for finding, installing, and deleting one, a group, or even all of the packages.
Options: Optional, option includes-H (Help),-y (when the installation process prompts you to select all "Yes"),-Q (does not show the installation process)

Command: The operation to be performed.

The object for the package operation.

Yum Common commands

1. List all updatable software inventory commands: Yum check-update

2. Update all software commands: Yum update

3. Install only the specified software commands: Yum install <package_name>

4. Update only the specified software commands: Yum update <package_name>

5. List all installed software inventory commands: Yum list

6. Remove Package Command: Yum remove <package_name>

7. Find package Commands: Yum search <keyword>

8. Clear the Cache command:

Yum Clean Packages: Clear the cache directory for packages

Yum Clean headers: Clear headers in cache directory

Yum Clean oldheaders: Clears the old headers from the cache directory

Yum Clean, yum clear all (= Yum packages; yum oldheaders): Clears the cache directory of the package and the old headers

Example: Yum install JDK

1. Review the current JDK version and uninstall

(Note 1:rpm-qa # # #解释: Check all installed RPM packages

grep JDK # # #解释: Displays the package with the string "JDK" in the name)

2. Find Java-related lists

(Yum-y list Java)

(Note 1:yum install java-1.8.0-openjdk.x86_64) (note 2:yum-y install java-1.8.0-openjdk*)

(Note: java-version)

The path to the default installation via Yum is (note: CD/USR/LIB/JVM)

Add the JDK's installation path to Java_home (note: vi/etc/profile. /etc/profile)

The above contents are excerpted from PPT, the invasion delete apology.

Linux Yum installation jdk