sdiff Linux Command

sdiff sdiff -o outfile [options] from to Find differences between the two files from and to and merge interactively, writing the resul...

route - Linux Command

route route [options] [command] TCP/IP command. Add or remove entries in the routing tables maintained by routed. route accepts two com...

ping - Linux Command

ping ping [options] host System administration command. Confirm that a remote host is online and responding. ping is intended for use i...

echo - Linux Command

echo echo [options] [string] Send (echo) the input string to standard output. This is the /bin/echo command. echo also exists as a com...

fuser Linux Command

fuser fuser [options] [files | filesystems] Identifies and outputs the process IDs of processes that are using the files or local files...

grep Linux Command

grep grep [options] pattern [files] Search one or more files for lines that match a regular expression pattern. Regular expressions are...

Patch Linux Command

patch patch [options] [original [patchfile] ] Apply the patches specified in patchfile to original. Replace the original with the new, ...

Create or change a password using passwd Linux Command

passwd passwd [options] [user] Create or change a password associated with a user name. Only the owner or a privileged user may change...

ssh-keyscan - Linux Commands

ssh-keyscan ssh-keyscan [options] Gather public and private host keys from a number of hosts. Can be used in scripts. Options -4 ...

ssh-agent - Linux Command

ssh-agent ssh-agent [options] [command [arguments] ] Hold private keys used for public key authentication. ssh-agent is usually execut...

ssh-add - Linux Command

ssh-add ssh-add [options] [files] ssh-add -e|-s reader Add RSA or DSA identities to the authentication agent (see ssh-agent), which mu...

ssh-keygen Linux Command

ssh-keygen ssh-keygen [options] Generate, manage, and convert authentication keys for ssh. When using ssh-keygen to create a key, the...

man Linux Command

man man [options] [section] [title] Display information from the online reference manuals. man locates and prints the named title fro...

Diff Linux Command

diff diff [options] [diroptions] file1 file2 Compare two text files. diff reports lines that differ between file1 and file2. Output co...

SSH Linux Command

ssh ssh [options] hostname [command] Securely log a user into a remote system and run commands on that system. The version of ssh desc...

Configure Maven to use Java 8 for Compile the code

In pom.xml we can configure  maven.compiler.source   maven.compiler.target properties to tell Maven to use Java 8 (or particular Java versi...

Read File From Class Path or Resource Folder

In this article we are going to see about how to read file from class path or from resource folder. Content in javatutorialcorner.txt Sp...

Design Patterns Tutorials

Design Patterns - Singleton Pattern Design Patterns - Factory Pattern Design Patterns - Builder Pattern Design Patterns - Prototype Pat...

Design Patterns - Strategy Pattern

Strategy Pattern Definition Use strategy when you need to define a family of algorithms, encapsulate each one, and make them interchang...

Design Patterns - Observer Pattern

Observer Pattern Definition An observer is a structural pattern that enables publish/subscribe functionality. This is accomplished by a...

Design Patterns - Memento Pattern

Memento Pattern Definition To record an object internal state without violating encapsulation and reclaim it later without knowledge of...