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jackie-do/[linux]_check_info_of_host_server.md

Last active October 2, 2018 10:18
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Some commands to check the information of a server
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[linux]_check_info_of_host_server.md
  1. Check linux version
cat /etc/lsb-release   (for ubuntu)
cat /etc/debian_version (for debian)
cat /etc/redhat-release (CenOs/Redhat)
  1. Check disk space
df -H
  1. Check Ram and CPU
# Check CPU
less /proc/cpuinfo

# Check Ram size
less /proc/meminfo
  1. Check users
# List all users
compgen -u

# List all groups
compgen -g 

#Display information of an user
id <user_name>
  1. Set up Monitor app
sudo apt-get install htop
  1. Set up locale
# List current setting of locale
locale

# generate missing locale
sudo locale-gen "en_US.UTF-8"

# resetup the locale
sudo dpkg-reconfigure locales 

## Do it manually
export LC_ALL="en_US.UTF-8"
  1. Listening ports
netstat -an | grep "LISTEN "
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