88 lines
2.4 KiB
Bash
88 lines
2.4 KiB
Bash
#/bin/bash
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#Copyright (c) [2019] Huawei Technologies Co., Ltd.
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#generic-release is licensed under the Mulan PSL v2.
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#You can use this software according to the terms and conditions of the Mulan PSL v2.
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#You may obtain a copy of Mulan PSL v2 at:
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# http://license.coscl.org.cn/MulanPSL2
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#THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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#IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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#PURPOSE.
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#See the Mulan PSL v2 for more details.
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# Welcome
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welcome=$(uname -r)
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# Memory
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memory_total=$(cat /proc/meminfo | awk '/^MemTotal:/ {printf($2)}')
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memory_free=$(cat /proc/meminfo | awk '/^MemFree:/ { printf($2)}')
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buffers=$(cat /proc/meminfo | awk '/^Buffers:/ { printf($2)}')
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cached=$(cat /proc/meminfo | awk '/^Cached:/ { printf($2)}')
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sreclaimable=$(cat /proc/meminfo | awk '/^SReclaimable:/ { printf($2)}')
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swap_total=$(cat /proc/meminfo | awk '/^SwapTotal:/ { printf($2)}')
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swap_free=$(cat /proc/meminfo | awk '/^SwapFree:/ { printf($2)}')
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if [[ $memory_total -gt 0 ]]
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then
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memory_usage=`echo "scale=1; ($memory_total - $memory_free - $buffers - $cached - $sreclaimable) * 100.0 / $memory_total" |bc`
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memory_usage="${memory_usage}%"
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else
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memory_usage=0.0%
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fi
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# Swap memory
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if [[ $swap_total -gt 0 ]]
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then
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swap_mem=`echo "scale=1; ($swap_total - $swap_free) * 100.0 / $swap_total" |bc`
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swap_mem="${swap_mem}%"
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else
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swap_mem=0.0%
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fi
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# Usage
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usageof=$(df -h / | awk '/\// {print $(NF-1)}')
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# System load
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load_average=$(awk '{print $1}' /proc/loadavg)
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# WHO I AM
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whoiam=$(whoami)
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# Time
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time_cur=$(date)
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# Processes
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#processes=$(ps aux | wc -l)
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# Users
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user_num=$(users | wc -w)
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# Ip address
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ip_pre=""
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if [ -x "/sbin/ip" ]
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then
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ip_pre=$(/sbin/ip a | grep inet | grep -v "127.0.0.1" | grep -v inet6 | awk '{print $2}')
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fi
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echo -e "\n"
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echo -e "Welcome to $welcome\n"
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echo -e "System information as of time: \t$time_cur\n"
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echo -e "System load: \t\033[0;33;40m$load_average\033[0m"
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#echo -e "Processes: \t$processes"
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echo -e "Memory used: \t$memory_usage"
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echo -e "Swap used: \t$swap_mem"
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echo -e "Usage On: \t$usageof"
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for line in $ip_pre
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do
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ip_address=${line%/*}
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echo -e "IP address: \t$ip_address"
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done
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echo -e "Users online: \t$user_num"
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if [ "$whoiam" = "root" ]
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then
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echo -e "\n"
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else
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echo -e "To run a command as administrator(user \"root\"),use \"sudo <command>\"."
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fi
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