What Server remote management systems called ?

These are different remote server management tools

Intel uses RMM2 (remote management 2)
Dell uses DRAC (Dell Remote Access Control)
Sun or Oracle uses ILOM (Integrated Lights Out Manager)
IBM uses IMM (Integrated Management Module)
HP uses ILO (Integrated Lights-Out).

Simple encryption and decryption of files using GPG

gpg --yes --passphrase="test" -c test1.txt

encrypted file will be test1.txt.gpg and test1.txt will still exist.

gpg --decrypt  --passphrase "test" --output "test1.txt" "test1.txt.gpg"

Sophos command to exclude directory from on-access scans

/opt/sophos-av/bin/savconfig  ExcludeFilePaths /opt/folder-exclude

Linux bash script for checking and sending email alerts on disk space issues

#!/bin/sh
FILE=/tmp/mailcontent.txt

> /tmp/mailcontent.txt

df -H | awk '{ print $5 " " $6 }'|head -6|tail -5|while read output;

do
#  echo $output
  usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  )
  partition=$(echo $output | awk '{ print $2 }' )
echo $usep
  if [ $usep -ge 90 ]; then
   echo -e "Running out of space \n\nPartition:\"$partition ($usep%)\" \nHost:$(hostname) \nDate:$(date)\n" >> /tmp/mailcontent.txt

 fi

done

if [[ -s $FILE ]] ; then

mail -s "CRITICAL ALERT:Disk space of $hostname more that 90%" disk-alert@yourcompany.com
else
echo "$FILE is empty."
fi

exit