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Koti Syamala

Koti Syamala

  • Joined: July 9, 2022
  • Articles: 196

Unix Files

Unix File Structure: File: The file is a container for storing information. As a first approximation, we can treat it simply as a sequence of characters. If you name a file foo and write three characters a, b and c…

WORKING WITH BOURNE SHELL

Introduction:                         Why shell programming? A working knowledge of shell scripting is essential to everyone wishing to become reasonably adept at system administration, even if they do not anticipate ever having to actually write a script. When a Linux machine…

Basics of Unix

Unix PROGRAMMING Introduction to Unix: Unix  is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson,  Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna. The Unix operating system was first developed in assembly language, but by 1973 had…

IFrame example

<html> <head> <title> My Frame Factory </title> </head> <body> <iframe src=”http://www.w3schools.com” name=”f1″ width=”450px” height=”450px”/></iframe> <iframe src=”http://www.wikipedia.com” name=”f2″ width=”450px” height=”450px”/></iframe> <iframe src=”http://www.google.com”  name=”f3″ width=”450px” height=”450px”/></iframe> <iframe src=”http://www.yahoo.com” name=”f4″ width=”450px” height=”450px”/></iframe> </body></html>

Send email from servlet using java mail

package mailpack; import java.io.IOException;import java.util.Properties; import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.NoSuchProviderException;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;import javax.naming.Context;import javax.naming.InitialContext;import javax.naming.NamingException;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse; public class send extends HttpServlet { private static final long serialVersionUID = 1L; public send() { //…

DB backup script

:: preparing date and time         for /f “tokens=2 delims==” %%a in (‘wmic OS Get localdatetime /value’) do set “dt=%%a” set “YYYY=%dt:~0,4%” & set “MM=%dt:~4,2%” & set “DD=%dt:~6,2%” set “HH=%dt:~8,2%” & set “Min=%dt:~10,2%” & set “Sec=%dt:~12,2%” set…

Send mail from command prompt using powershell

Commands: powershell$EmailFrom = “sendermailID@gmail.com”$EmailTo = “receivermailID1@gmail.com,receivermailID2@gmail.com”$Subject = “The subject of your email”$Body = “This is just a test mail to verify the working of CMD”$SMTPServer = “smtp.gmail.com”$SMTPClient = New-Object Net.Mail.SmtpClient($SmtpServer, 587)$SMTPClient.EnableSsl = $true$SMTPClient.Credentials = New-Object System.Net.NetworkCredential(“sendermailID@gmail.com”, “senderPassword”)$SMTPClient.Send($EmailFrom, $EmailTo, $Subject, $Body)pause

Upload vm to AWS EC2

Synatx: ec2-import-instance disk_image_filename -f file_format -t instance_type -a architecture -b s3_bucket_name -o owner -w secret_key -p platform_name ec2-import-instance disk_image_filename -f file_format -t instance_type -a architecture -b s3_bucket_name -o owner -w secret_key -p platform_name -O your_access_key -W your_secret_key Example 1:(Windows) C:>…

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