lastlog
打印系统账号最近一次的登录记录情况,解析的是/var/log/lastlog文件,它是一个data file类型的文件,文本模式打开无法正常显示。
Username Port From Latest
root pts/0 171.83.37.215 Sat Jan 9 17:23:53 +0800
bin **Never logged in**
daemon **Never logged in**
adm **Never logged in**
lp **Never logged in**
sync **Never logged in**
shutdown **Never logged in**
halt **Never logged in**
mail **Never logged in**
operator **Never logged in**
games **Never logged in**
ftp **Never logged in**
nobody **Never logged in**
systemd-network **Never logged in**
dbus **Never logged in**
polkitd **Never logged in**
sshd **Never logged in**
postfix **Never logged in**
chrony **Never logged in**
nscd **Never logged in**
ntp **Never logged in**
tss **Never logged in**
mysql **Never logged in**
nginx **Never logged in**
cpt pts/0 117.172.39.12 Fri Jan 8 15:08:00 +0800
zhangsan pts/2 Mon Aug 3 15:46:00 +0800
xiaoming pts/6 218.207.144.248 Thu May 21 17:51:43 +0800
gluster **Never logged in**
grafana **Never logged in**
xiaowu **Never logged in**
saslauth **Never logged in**
deploy pts/1 Tue Nov 3 00:02:34 +0800
clamupdate **Never logged in**
clamscan **Never logged in**
last
它默认读取的是 / var/log/wtmp 文件的信息。输出的内容包括：用户名、终端位置、登录源信息、开始时间、结束时间、持续时间。注意最后一行输出的是 wtmp 文件起始记录的时间。当然也可以通过 last -f 参数指定读取文件，可以是 / var/log/btmp、/var/run/utmp
root pts/0 171.83.37.115 Thu Jan 14 14:38 still logged in
root pts/0 171.43.177.33 Wed Jan 13 13:01 - 13:34 (00:31)
root pts/1 171.83.37.115 Wed Jan 13 15:14 - 18:44 (03:19)
root pts/0 171.83.37.115 Wed Jan 13 15:14 - 18:44 (03:19)
root pts/0 118.107.144.111 Tue Jan 11 13:39 - 00:43 (01:03)
root pts/0 118.107.144.111 Mon Jan 11 10:05 - 10:05 (00:00)
root pts/0 118.107.144.111 Mon Jan 11 18:18 - 10:05 (01:37)
root pts/0 118.107.144.111 Mon Jan 11 13:11 - 14:13 (01:01)
root pts/0 171.83.37.115 Mon Jan 11 11:05 - 11:10 (01:05)
root pts/0 118.107.144.111 Mon Jan 11 09:18 - 10:39 (01:10)
root pts/0 171.83.37.115 Fri Jan 8 17:16 - 17:46 (00:10)
root pts/0 17.17.111.9 Fri Jan 8 16:38 - 16:49 (00:10)
root pts/0 17.17.111.9 Thu Jan 7 15:46 - 18:08 (01:11)
root pts/0 118.107.144.111 Wed Jan 6 13:39 - 13:51 (00:13)
root pts/1 113.14.171.143 Mon Jan 4 18:47 - 18:51 (00:05)
root pts/0 113.14.171.143 Mon Jan 4 15:13 - 18:51 (03:19)
root pts/0 113.14.171.143 Sun Jan 3 17:14 - 17:16 (00:11)
root pts/0 115.41.156.70 Sat Jan 1 10:11 - 10:39 (00:16)
root pts/0 115.41.156.70 Fri Jan 1 13:00 - 13:40 (00:40)
root pts/0 115.41.106.6 Thu Dec 31 18:17 - 18:45 (00:18)
root pts/0 115.41.106.6 Thu Dec 31 18:00 - 18:16 (00:15)
root pts/0 115.41.106.6 Wed Dec 30 11:38 - 13:58 (01:10)
root pts/0 171.83.37.146 Wed Dec 30 11:15 - 11:01 (00:35)
root pts/0 171.83.37.146 Wed Dec 30 11:10 - 11:15 (00:14)
root pts/0 118.107.144.111 Tue Dec 19 15:14 - 15:36 (00:11)
root pts/0 171.83.37.146 Tue Dec 19 11:56 - 11:01 (00:05)
root pts/0 171.83.37.146 Mon Dec 18 14:33 - 18:16 (03:43)
root pts/1 118.107.144.111 Mon Dec 18 11:11 - 11:07 (00:44)
root pts/0 171.83.37.146 Mon Dec 18 10:31 - 11:59 (01:17)
lastb列出失败尝试的登录信息
和 last 命令功能完全相同，只不过它默认读取的是 / var/log/btmp 文件的信息。当然也可以通过 last -f 参数指定读取文件，可以是 / var/log/btmp、/var/run/utmp
root ssh:notty 120.132.112.75 Thu Jan 14 17:14 - 17:14 (00:00)
abc ssh:notty 89.250.148.154 Thu Jan 14 17:14 - 17:14 (00:00)
abc ssh:notty 89.250.148.154 Thu Jan 14 17:14 - 17:14 (00:00)
lenovo ssh:notty 122.114.37.11 Thu Jan 14 17:14 - 17:14 (00:00)
lenovo ssh:notty 122.114.37.11 Thu Jan 14 17:14 - 17:14 (00:00)
simone ssh:notty 203.ip-51-83-74. Thu Jan 14 17:14 - 17:14 (00:00)
simone ssh:notty 203.ip-51-83-74. Thu Jan 14 17:14 - 17:14 (00:00)
benjamin ssh:notty 49.234.62.38 Thu Jan 14 17:13 - 17:13 (00:00)
basesyst ssh:notty 152.89.239.120 Thu Jan 14 17:13 - 17:13 (00:00)
benjamin ssh:notty 49.234.62.38 Thu Jan 14 17:13 - 17:13 (00:00)
basesyst ssh:notty 152.89.239.120 Thu Jan 14 17:13 - 17:13 (00:00)
root ssh:notty 195.24.129.234 Thu Jan 14 17:13 - 17:13 (00:00)
chris ssh:notty 195.19.102.173 Thu Jan 14 17:12 - 17:12 (00:00)
chris ssh:notty 195.19.102.173 Thu Jan 14 17:12 - 17:12 (00:00)
ftptest ssh:notty broadband-188-25 Thu Jan 14 17:12 - 17:12 (00:00)
ftptest ssh:notty broadband-188-25 Thu Jan 14 17:12 - 17:12 (00:00)
support ssh:notty 182.61.51.141 Thu Jan 14 17:12 - 17:12 (00:00)
support ssh:notty 182.61.51.141 Thu Jan 14 17:12 - 17:12 (00:00)
julio ssh:notty 159.89.114.40 Thu Jan 14 17:11 - 17:11 (00:00)
julio ssh:notty 159.89.114.40 Thu Jan 14 17:11 - 17:11 (00:00)
root ssh:notty 120.132.112.75 Thu Jan 14 17:11 - 17:11 (00:00)
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