
lastlog 命令用于显示系统中所有用户最近一次登录的信息。
lastlog 命令用于查询 /var/log/lastlog 文件,该文件记录了每个用户最近一次登录的信息。通过使用 lastlog 命令,可以检查特定用户的最后一次登录时间,并格式化输出相应的登录日志。需要以 root 身份运行该命令。
lastlog [选项]-b<days>:显示指定天数之前的登录信息;-h:显示帮助信息;-t<days>:显示指定天数以来的登录信息;-u<username>:显示指定用户的最近登录信息。lastlog输出:
Username Port From Latest
root pts/0 221.6.45.34 Tue Dec 17 09:40:48 +0800 2013
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
news Never logged in
uucp Never logged in
operator Never logged in
games Never logged in
gopher Never logged in
ftp Never logged in
nobody Never logged in
vcsa Never logged in
ntp Never logged in
sshd Never logged in
nscd Never logged in
ldap Never logged in
postfix Never logged in
www Never logged in
mysql Never logged in