Linux 關(guān)鍵信息查看(內(nèi)存,硬盤(pán),網(wǎng)絡(luò),CPU )
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查看內(nèi)存總體使用狀況:
- XXXX@XXXXXXXX:~$?free?-m ??
- ?????????????total???????used???????free?????shared????buffers?????cached ??
- Mem:?????????? 1517 ???????? 848 ???????? 669 ?????????? 0 ????????? 36 ???????? 410 ??
- -/+?buffers/cache:???????? 401 ??????? 1116 ??
- Swap:???????????? 0 ?????????? 0 ?????????? 0 ??
- XXXX@XXXXXXXX:~$?free ??
- ?????????????total???????used???????free?????shared????buffers?????cached ??
- Mem:??????? 1554088 ????? 868768 ????? 685320 ?????????? 0 ?????? 37500 ????? 420784 ??
- -/+?buffers/cache:????? 410484 ???? 1143604 ??
- Swap:???????????? 0 ?????????? 0 ?????????? 0 ??
XXXX@XXXXXXXX:~$ free -m total used free shared buffers cached Mem: 1517 848 669 0 36 410 -/+ buffers/cache: 401 1116 Swap: 0 0 0 XXXX@XXXXXXXX:~$ free total used free shared buffers cached Mem: 1554088 868768 685320 0 37500 420784 -/+ buffers/cache: 410484 1143604 Swap: 0 0 0
?查看單個(gè)進(jìn)程內(nèi)存使用狀況:
- XXXX@XXXXXXXX:~$?ps?aux ??
- USER???????PID?%CPU?%MEM????VSZ???RSS?TTY??????STAT?START???TIME?COMMAND ??
- root????????? 1 ?? 0.0 ?? 0.1 ??? 2844 ?? 1688 ??????????Ss??? 15 : 14 ??? 0 : 01 ?/sbin/init ??
- ......??
XXXX@XXXXXXXX:~$ ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.1 2844 1688 ? Ss 15:14 0:01 /sbin/init ......
?查看內(nèi)存詳細(xì)信息:
- XXXX@XXXXXXXX:~$?more?/proc/meminfo? ??
- MemTotal:?????? 1554088 ?kB ??
- MemFree:???????? 681264 ?kB ??
- Buffers:????????? 38232 ?kB ??
- Cached:????????? 422212 ?kB ??
- SwapCached:?????????? 0 ?kB ??
- Active:????????? 515496 ?kB ??
- Inactive:??????? 301408 ?kB ??
- HighTotal:?????? 653888 ?kB ??
- HighFree:????????? 1064 ?kB ??
- LowTotal:??????? 900200 ?kB ??
- LowFree:???????? 680200 ?kB ??
- SwapTotal:??????????? 0 ?kB ??
- SwapFree:???????????? 0 ?kB ??
- Dirty:??????????????? 0 ?kB ??
- Writeback:??????????? 0 ?kB ??
- AnonPages:?????? 356560 ?kB ??
- Mapped:?????????? 71532 ?kB ??
- Slab:???????????? 24132 ?kB ??
- SReclaimable:???? 15080 ?kB ??
- SUnreclaim:??????? 9052 ?kB ??
- PageTables:??????? 2024 ?kB ??
- NFS_Unstable:???????? 0 ?kB ??
- Bounce:?????????????? 0 ?kB ??
- CommitLimit:???? 777044 ?kB ??
- Committed_AS:??? 821772 ?kB ??
- VmallocTotal:??? 114680 ?kB ??
- VmallocUsed:????? 53584 ?kB ??
- VmallocChunk:???? 59380 ?kB??
XXXX@XXXXXXXX:~$ more /proc/meminfo MemTotal: 1554088 kB MemFree: 681264 kB Buffers: 38232 kB Cached: 422212 kB SwapCached: 0 kB Active: 515496 kB Inactive: 301408 kB HighTotal: 653888 kB HighFree: 1064 kB LowTotal: 900200 kB LowFree: 680200 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 356560 kB Mapped: 71532 kB Slab: 24132 kB SReclaimable: 15080 kB SUnreclaim: 9052 kB PageTables: 2024 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 777044 kB Committed_AS: 821772 kB VmallocTotal: 114680 kB VmallocUsed: 53584 kB VmallocChunk: 59380 kB
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查看硬盤(pán)詳細(xì)信息: more /proc/diskstats
查看文件大小:du -sh
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查看網(wǎng)絡(luò)總體信息:ifconfig
查看實(shí)際流量:sudo iftop
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查看CPU詳細(xì)信息:more /proc/cpuinfo
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