作者：邓聪聪
提取日志或文本中的关键内容
1 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> (eno16777736): Activation: starting connection 'eno16777736' (ecefc7de-e893-4eee-88fd-bb9843616ec2) 2 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> (eno16777736): device state change: disconnected -> prepare (reason 'none') [30 40 0] 3 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> NetworkManager state is now CONNECTING 4 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> (eno16777736): device state change: prepare -> config (reason 'none') [40 50 0] 5 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> (eno16777736): device state change: config -> ip-config (reason 'none') [50 70 0] 6 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> Activation (eno16777736) Beginning DHCPv4 transaction (timeout in 45 seconds) 7 Apr 23 09:34:05 localhost NetworkManager[1399]: <info> dhclient started with pid 11327 8 Apr 23 09:34:05 localhost dhclient[11327]: DHCPDISCOVER on eno16777736 to 255.255.255.255 port 67 interval 7 (xid=0x398e2136) 9 Apr 23 09:34:06 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 255.255.255.255 port 67 (xid=0x398e2136) 10 Apr 23 09:34:06 localhost dhclient[11327]: DHCPOFFER from 10.0.0.254 11 Apr 23 09:34:06 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 12 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> address 10.0.0.132 13 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 14 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 15 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 16 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> lease time 1800 17 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 18 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> domain name 'localdomain' 19 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed unknown -> bound 20 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> (eno16777736): device state change: ip-config -> ip-check (reason 'none') [70 80 0] 21 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> (eno16777736): device state change: ip-check -> secondaries (reason 'none') [80 90 0] 22 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> (eno16777736): device state change: secondaries -> activated (reason 'none') [90 100 0] 23 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> NetworkManager state is now CONNECTED_LOCAL 24 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> NetworkManager state is now CONNECTED_GLOBAL 25 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> Policy set 'eno16777736' (eno16777736) as default for IPv4 routing and DNS. 26 Apr 23 09:34:06 localhost NetworkManager[1399]: <info> (eno16777736): Activation: successful, device activated. 27 Apr 23 09:34:06 localhost nm-dispatcher: Dispatching action 'up' for eno16777736 28 Apr 23 09:34:06 localhost network: Bringing up interface eno16777736: Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1) 29 Apr 23 09:34:06 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 735 seconds. 30 Apr 23 09:34:06 localhost network: [ OK ] 31 Apr 23 09:34:06 localhost systemd: Started LSB: Bring up/down networking. 32 Apr 23 09:35:47 localhost dbus[1172]: avc: received setenforce notice (enforcing=0) 33 Apr 23 09:35:47 localhost dbus-daemon: dbus[1172]: avc: received setenforce notice (enforcing=0) 34 Apr 23 09:37:16 localhost systemd: Stopping firewalld - dynamic firewall daemon... 35 Apr 23 09:37:16 localhost kernel: Ebtables v2.0 unregistered 36 Apr 23 09:37:16 localhost systemd: Stopped firewalld - dynamic firewall daemon. 37 Apr 23 09:37:56 localhost systemd: Started Session 2 of user root. 38 Apr 23 09:37:56 localhost systemd-logind: New session 2 of user root. 39 Apr 23 09:37:56 localhost systemd: Starting Session 2 of user root. 40 Apr 23 09:46:21 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 41 Apr 23 09:46:21 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 42 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> address 10.0.0.132 43 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 44 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 45 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 46 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> lease time 1800 47 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 48 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> domain name 'localdomain' 49 Apr 23 09:46:21 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 50 Apr 23 09:46:21 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 51 Apr 23 09:46:21 localhost systemd: Starting Network Manager Script Dispatcher Service... 52 Apr 23 09:46:21 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 53 Apr 23 09:46:21 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 823 seconds. 54 Apr 23 09:46:21 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 55 Apr 23 09:46:21 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 56 Apr 23 09:46:21 localhost systemd: Started Network Manager Script Dispatcher Service. 57 Apr 23 09:46:21 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 58 Apr 23 09:46:57 localhost systemd: Starting Cleanup of Temporary Directories... 59 Apr 23 09:46:57 localhost systemd: Started Cleanup of Temporary Directories. 60 Apr 23 10:00:04 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 61 Apr 23 10:00:04 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 62 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> address 10.0.0.132 63 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 64 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 65 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 66 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> lease time 1800 67 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 68 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> domain name 'localdomain' 69 Apr 23 10:00:04 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 70 Apr 23 10:00:04 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 71 Apr 23 10:00:04 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 72 Apr 23 10:00:04 localhost systemd: Starting Network Manager Script Dispatcher Service... 73 Apr 23 10:00:04 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 707 seconds. 74 Apr 23 10:00:04 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 75 Apr 23 10:00:04 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 76 Apr 23 10:00:04 localhost systemd: Started Network Manager Script Dispatcher Service. 77 Apr 23 10:00:04 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 78 Apr 23 10:01:01 localhost systemd: Started Session 3 of user root. 79 Apr 23 10:01:01 localhost systemd: Starting Session 3 of user root. 80 Apr 23 10:11:51 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 81 Apr 23 10:11:51 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 82 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> address 10.0.0.132 83 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 84 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 85 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 86 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> lease time 1800 87 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 88 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> domain name 'localdomain' 89 Apr 23 10:11:51 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 90 Apr 23 10:11:51 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 91 Apr 23 10:11:51 localhost systemd: Starting Network Manager Script Dispatcher Service... 92 Apr 23 10:11:51 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 93 Apr 23 10:11:51 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 781 seconds. 94 Apr 23 10:11:51 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 95 Apr 23 10:11:51 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 96 Apr 23 10:11:51 localhost systemd: Started Network Manager Script Dispatcher Service. 97 Apr 23 10:11:51 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 98 Apr 23 10:24:52 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 99 Apr 23 10:24:52 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 100 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> address 10.0.0.132 101 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 102 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 103 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 104 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> lease time 1800 105 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 106 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> domain name 'localdomain' 107 Apr 23 10:24:52 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 108 Apr 23 10:24:52 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 109 Apr 23 10:24:52 localhost systemd: Starting Network Manager Script Dispatcher Service... 110 Apr 23 10:24:52 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 111 Apr 23 10:24:52 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 885 seconds. 112 Apr 23 10:24:52 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 113 Apr 23 10:24:52 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 114 Apr 23 10:24:52 localhost systemd: Started Network Manager Script Dispatcher Service. 115 Apr 23 10:24:52 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 116 Apr 23 10:39:38 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 117 Apr 23 10:39:38 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 118 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> address 10.0.0.132 119 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 120 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 121 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 122 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> lease time 1800 123 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 124 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> domain name 'localdomain' 125 Apr 23 10:39:38 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 126 Apr 23 10:39:38 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 127 Apr 23 10:39:38 localhost systemd: Starting Network Manager Script Dispatcher Service... 128 Apr 23 10:39:38 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 129 Apr 23 10:39:38 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 830 seconds. 130 Apr 23 10:39:38 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 131 Apr 23 10:39:38 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 132 Apr 23 10:39:38 localhost systemd: Started Network Manager Script Dispatcher Service. 133 Apr 23 10:39:38 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 134 Apr 23 10:53:28 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 135 Apr 23 10:53:28 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 136 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> address 10.0.0.132 137 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 138 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 139 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 140 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> lease time 1800 141 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 142 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> domain name 'localdomain' 143 Apr 23 10:53:28 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 144 Apr 23 10:53:28 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 145 Apr 23 10:53:28 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 146 Apr 23 10:53:28 localhost systemd: Starting Network Manager Script Dispatcher Service... 147 Apr 23 10:53:28 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 747 seconds. 148 Apr 23 10:53:28 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 149 Apr 23 10:53:28 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 150 Apr 23 10:53:28 localhost systemd: Started Network Manager Script Dispatcher Service. 151 Apr 23 10:53:28 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736 152 Apr 23 11:01:01 localhost systemd: Started Session 4 of user root. 153 Apr 23 11:01:01 localhost systemd: Starting Session 4 of user root. 154 Apr 23 11:05:55 localhost dhclient[11327]: DHCPREQUEST on eno16777736 to 10.0.0.254 port 67 (xid=0x398e2136) 155 Apr 23 11:05:55 localhost dhclient[11327]: DHCPACK from 10.0.0.254 (xid=0x398e2136) 156 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> address 10.0.0.132 157 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> plen 24 (255.255.255.0) 158 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> gateway 10.0.0.2 159 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> server identifier 10.0.0.254 160 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> lease time 1800 161 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> nameserver '10.0.0.2' 162 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> domain name 'localdomain' 163 Apr 23 11:05:55 localhost NetworkManager[1399]: <info> (eno16777736): DHCPv4 state changed bound -> bound 164 Apr 23 11:05:55 localhost dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 165 Apr 23 11:05:55 localhost systemd: Starting Network Manager Script Dispatcher Service... 166 Apr 23 11:05:55 localhost dbus-daemon: dbus[1172]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' 167 Apr 23 11:05:55 localhost dhclient[11327]: bound to 10.0.0.132 -- renewal in 869 seconds. 168 Apr 23 11:05:55 localhost dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 169 Apr 23 11:05:55 localhost dbus-daemon: dbus[1172]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' 170 Apr 23 11:05:55 localhost systemd: Started Network Manager Script Dispatcher Service. 171 Apr 23 11:05:55 localhost nm-dispatcher: Dispatching action 'dhcp4-change' for eno16777736
grep dbus 3.log |sed -r 's/^.*host (.*): .*$/1/g'|sed 's/dbus-daemon: //g'|awk '{print $1}'
过滤关键字 搜索
[root@admin ~]# ss -nat State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 :::10050 :::* LISTEN 0 128 *:10050 *:* LISTEN 0 25 :::514 :::* LISTEN 0 25 *:514 *:* LISTEN 0 128 127.0.0.1:199 *:* LISTEN 0 50 *:3306 *:* LISTEN 0 20 *:587 *:* LISTEN 0 20 :::587 :::* LISTEN 0 128 :::80 :::* LISTEN 0 20 *:465 *:* LISTEN 0 20 :::465 :::* LISTEN 0 128 :::22 :::* LISTEN 0 128 *:22 *:* LISTEN 0 20 *:25 *:* LISTEN 0 20 :::25 :::* ESTAB 0 52 118.188.20.3:22 221.122.103.135:62086 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55678 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55900 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55904 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55844 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55872 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55684 TIME-WAIT 0 0 172.16.16.2:10050 172.16.16.9:55700
用sed取第一列：
ss -ant|sed 's/[ ].*//'
取出第一行的指定字符串，后项引用 磁盘使用率
df |sed -nr '/^/dev/s/([^ ]+).*$/1/p'
df |sed -nr '/^/dev/s/.* (.*)%.*/1/p'