查看open port和 进程物理内存占用

1. 查看open por： netstat -tuln

2. 查看进程物理内存占用

2.1.  ps

root@bodie:~# ps

235 avahi 5088 S avahi-daemon: running [bodie-13.local]
245 root 7176 S /usr/bin/crashdump
246 root 720m S /usr/libexec/snmpd run
247 root 5852 S /usr/libexec/bmcpropd
248 root 5800 S /usr/libexec/bpm

2.2. cat /proc/<PID>/status

root@bodie:~# cat /proc/246/status
Name: snmpd
Umask: 0022
State: S (sleeping)
Tgid: 246
Ngid: 0
Pid: 246
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 256
Groups:
NStgid: 246
NSpid: 246
NSpgid: 246
NSsid: 246
Kthread: 0
VmPeak: 737392 kB
VmSize: 737392 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 24448 kB
VmRSS: 21636 kB
RssAnon: 5252 kB
RssFile: 16384 kB
RssShmem: 0 kB
VmData: 51884 kB
VmStk: 132 kB
VmExe: 2668 kB
VmLib: 18260 kB
VmPTE: 62 kB
VmSwap: 0 kB
CoreDumping: 0
THP_enabled: 0
untag_mask: 0xffffffff
Threads: 6
SigQ: 2/7357
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000000000
SigCgt: fffffffd7fc1feff
CapInh: 0000000000000000
CapPrm: 000001ffffffffff
CapEff: 000001ffffffffff
CapBnd: 000001ffffffffff
CapAmb: 0000000000000000
NoNewPrivs: 0
Seccomp: 0
Seccomp_filters: 0
Speculation_Store_Bypass: unknown
SpeculationIndirectBranch: unsupported
Cpus_allowed: 3
Cpus_allowed_list: 0-1
voluntary_ctxt_switches: 38302
nonvoluntary_ctxt_switches: 417