The 30 Linux Commands I Use Every Day on My VPS

After 3 years of managing a $5 VPS, these are the commands that stuck.

File Operations

1. Find Large Files (When Disk is Full)

# Top 20 largest files in current directory du -ah . | sort -rh | head -20

# Find files larger than 100MB find . -type f -size +100M -exec ls -lh {} \;

# Quick directory sizes du -sh * / | sort -rh

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2. Search File Contents

# Search for text in all files recursively grep -r "search term" /path/to/search

# With line numbers and file names grep -rn "function" src/

# Only show matching filenames grep -rl "TODO" .

# Case insensitive, only .js files grep -ri "error" --include = "*.js" .

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