KodeKloud Linux Level 1 Day-11: LINUX STRING REPLACEMENT USING SED COMMAND
Task Solved: Linux String Replacement using SED Command (KodeKloud Level 1)
Are you stuck on the String Replacement Task in KodeKloud's Linux Challenge? This video walks you through the exact steps needed to log into the remote server and execute the powerful sed command to modify the target file!
We cover how to replace all instances of one string with another in a single, simple command.
💻 Commands Used in This Video
Here are the key Linux commands we use to solve this task:
SSH Login: To securely connect to the remote Backup Server.
Bash
ssh username@backup_ip_address
File Verification: Using ls -l to check the file's existence and permissions.
Bash
ls -l /root/nautilus.xml
String Replacement (The Solution): Using sed with the 'in-place' (-i) and 'global' (/g) flags to replace "Sample" with "LUSV" inside the XML file.
Bash
sed -i 's/Sample/LUSV/g' /root/nautilus.xml
💡 Key Learning Points
sed Utility: How to use the Stream Editor for fast text manipulation.
The -i Flag: Understanding 'in-place' editing to save changes directly to the file.
The /g Flag: Ensuring the replacement happens globally (all occurrences on a line).
✅ Time Stamps
Introduction & Task Overview
Step 1: Logging in with SSH
Step 2: Verifying the Target File (ls -l)
Step 3: Executing the SED Replacement Command
Command Breakdown Explained
Task Completion & Wrap-up
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#Linux #DevOps #KodeKloud #SedCommand #StringReplacement #LinuxTutorial #SysAdmin #ITCertification
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