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async-os-utils
Advanced tools
Readme
monitor vital signs of your server :
An operating system utility library. Some methods are wrappers of node libraries and others are calculations made by the module.
os-utils extended node-os-utils extended
One line installation with npm.
$ npm install async-os-utils --save
Then in your code
var osu = require('async-os-utils')
var cpu = osu.cpu
var count = cpu.count() // 8
cpu.usage()
.then(cpuPercentage => {
console.log(cpuPercentage) // 10.38
})
var osCmd = osu.osCmd
osCmd.whoami()
.then(userName => {
console.log(userName) // admin
})
require('async-os-utils').options
Default settings:
NOT_SUPPORTED_VALUE
is not supported
. os not supported, return value.INTERVAL
is 1000
millisecond. Represents the refresh of the cpu and network workers.:warning: If this module uses too much CPU, set the INTERVAL
value to 10000 or more.
If you have not supported
in some categories, your OS configuration is not supported for this option.
The following methods are available:
CPU average
var osu = require('async-os-utils')
var cpu = osu.cpu
var info = cpu.average()
console.log(info)
{ totalIdle: 33526410,
totalTick: 37460330,
avgIdle: 4190801.25,
avgTotal: 4682541.25 }
CPU average usage
var osu = require('async-os-utils')
var cpu = osu.cpu
cpu.usage()
.then(info => {
console.log(info)
})
10.06
cpu free percentage
var osu = require('async-os-utils')
var cpu = osu.cpu
cpu.free()
.then(info => {
console.log(info)
})
89.26
drive info
var osu = require('async-os-utils')
var drive = osu.drive
drive.info()
.then(info => {
console.log(info)
})
{ totalGb: '464.8',
usedGb: '147.7',
freeGb: '316.9',
usedPercentage: '31.8',
freePercentage: '68.2' }
{ totalGb: '464.8', freeGb: '316.9', freePercentage: '68.2' }
{ totalGb: '464.8', usedGb: '316.9', usedPercentage: '68.2' }
memory info
var osu = require('async-os-utils')
var mem = osu.mem
mem.info()
.then(info => {
console.log(info)
})
{ totalMemMb: 16384,
usedMemMb: 13403.41,
freeMemMb: 2980.59,
freeMemPercentage: 18.19 }
{ totalMemMb: 16384, freeMemMb: 3033.63 }
{ totalMemMb: 16384, usedMemMb: 13421.15 }
17179869184
var osu = require('async-os-utils')
var netstat = osu.netstat
netstat.stats()
.then(info => {
console.log(info)
})
[ { interface: 'lo',
inputBytes: '731508412',
outputBytes: '731508412' },
{ interface: 'eth0',
inputBytes: '1356471479',
outputBytes: '26631036763' } ]
var osu = require('async-os-utils')
var netstat = osu.netstat
netstat.inOut()
.then(info => {
console.log(info)
})
{ total: { inputMb: 0.02, outputMb: 1.22 },
eth0: { inputMb: 0.02, outputMb: 1.22 } }
Total opened files
1088
original operating system
Mac OS X 10.12.5
Red Hat 7.3
TTY/SSH opened
......
var bucket = require('./bucket')
bucket.osCmd = {
topCpu: bucket.exec('ps -eo pcpu,user,args --no-headers | sort -k 1 -n | tail -n 10 | sort -k 1 -nr | cut -c 1-70'),
topMem: bucket.exec('ps -eo pmem,pid,cmd | sort -k 1 -n | tail -n 10 | sort -k 1 -nr | cut -c 1-70'),
vmstats: bucket.exec('vmstat -S m'),
processesUsers: bucket.exec('ps hax -o user | sort | uniq -c'),
diskUsage: bucket.exec('df -h'),
who: bucket.exec('who'),
whoami: bucket.exec('whoami'),
openPorts: bucket.exec('lsof -Pni4 | grep ESTABLISHED'),
ifconfig: bucket.exec('ifconfig')
}
MIT. Copyright (c).
FAQs
An operating system utility library.
The npm package async-os-utils receives a total of 26 weekly downloads. As such, async-os-utils popularity was classified as not popular.
We found that async-os-utils demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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