定制自己的shell登录脚本

编辑自己用户下的 .bash_profile文件

# .bash_profile
#export
PS1="\n\e[1;32m[\e[0;31m\u\e[0;34m@\e[0;31m\h\e[1;32m]\e[1;32m[\e[0;34m\w\e[1;32m]$"

# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi

# User specific environment and startup programs
#User specific environment and startup programs
PATH=$PATHHOME/bin:/usr/bin/:/usr/local/bin:/usr/sbin:/sbin
export PATH
unset USERNAME
umask 022

#Custom DJRavine Modification
login_pwd=`pwd`;
login_data=`date`;
login_users=`users`;
logic_uptime=`uptime`;
server_ip=`/sbin/ifconfig |grep 'inet addr:'|grep -v '127.0.0.1'|head -1|cut -d: -f2|awk '{print $1}'`;
disk_available=$(df -h --block-size=1024|awk '{ sum += $4; } END {print sum;}');
disk_used=$(df -h --block-size=1024|awk '{ sum += $3; } END {print sum;}');
disk_size=$(df -h --block-size=1024|awk '{ sum += $2; } END {print sum;}');
disk_available_gb=$(echo "scale=2; $disk_available/(1024^2)" |bc)
disk_used_gb=$(echo "scale=2; $disk_used/(1024^2)" |bc)
disk_size_gb=$(echo "scale=2; $disk_size/(1024^2)" |bc)
red="\033[31m"
blue="\033[34m"
green="\033[32m"

echo -e " "
echo -e "${blue}+---------------------------------------------------------------"
echo -e "${green}              Welcome!              "
echo -e "${blue}+---------------------------------------------------------------"
echo -e " ${green}Server IP: ${red}"$server_ip
echo -e " ${green}Date: ${red}"$login_data
echo -e " ${green}Users: ${red}"$login_users
echo -e " ${green}Directory: ${red}"$login_pwd
echo -e " ${green}Uptime: ${red}"$logic_uptime
echo -e "${blue}+---------------------------------------------------------------"
echo -e " "
df -lh|column -c 6|awk '{printf "\033[22;32m%s\t%s\t\033[22;31m%s\t%s\t%s\n",$1,$6,$2,$3,$4,$5}'
echo -e " ${green}Total Disk Space: ${red}$disk_size_gb GB"
echo -e " ${green}Total Used Space: ${red}$disk_used_gb GB"
echo -e " ${green}Total Free Space: ${red}$disk_available_gb GB"
echo -e "${blue}+---------------------------------------------------------------"
PATH=$PATHHOME/bin

export PATH