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# Five Minute Server Troubleshooting

# Check if too many cooks are spoiling the broth
# This will show who is logged on and what they are doing.
w

# Check active processes are running 
ps aux
ps ux --sort +vsize | head -5
ps aux --sort -pcpu | head -5

# Check File System Usage
df -h

# Display files and directories, sorted by largest
du -ks * | sort -rn | more

# Check TCP Connection
netstat -ntlp

# Check CPU and RAM
top
free -m

#Check IO Performance
iostat -kx 2
vmstat 2 10
mpstat 2 10

#List all the open files to active process
lsof -p 3063