Linux利用PROMPT_COMMAND实现操作记录messages

export PROMPT_COMMAND='{ msg=$(history 1|{ read x y; echo $y; });logger "[euid=$(whoami)]":$(who am i):[`pwd`]"$msg";}'

root@salt-zabbix init]# tail /var/log/messages

Sep  6 16:52:57 salt-zabbix kernel: e1000: eth0 NIC Link is Down

Sep  6 16:53:03 salt-zabbix kernel: e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None

Sep  6 16:53:55 salt-zabbix kernel: e1000: eth0 NIC Link is Down

Sep  6 16:54:01 salt-zabbix kernel: e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None

Sep  6 17:33:41 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]export PROMPT_COMMAND='{ msg=$(history 1|{ read x y; echo $y; });logger "[euid=$(whoami)]":$(who am i):[`pwd`]"$msg";}'

Sep  6 17:33:59 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]tail /var/log/maillog

Sep  6 17:34:11 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]tail /var/log/messages

Sep  6 17:34:20 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]uptim

Sep  6 17:34:24 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]uptime

Sep  6 17:34:27 salt-zabbix root: [euid=root]:root pts/0 2016-09-06 16:57 (10.0.8.1):[/srv/salt/base/init]tail /var/log/messages