Linux用戶登錄信息
阿新 • • 發佈：2018-06-14
用戶名 CP 3.6 默認 登錄系統 put com history sharp
1.用戶登錄日誌信息
- /var/run/utmp：記錄當前正在登錄系統的用戶信息，默認由who和w記錄當前登錄用戶的信息，uptime記錄系統啟動時間；
- /var/log/wtmp：記錄當前正在登錄和歷史登錄系統的用戶信息，默認由last命令查看；
- /var/log/btmp：記錄失敗的登錄嘗試信息，默認由lastb命令查看
2.查看用戶登錄命令
w:查看當前登入系統的用戶信息及用戶當前的進程
[root@H0f ~]# w 22:03:33 up 29 days, 4:47, 1 user, load average: 0.00, 0.01, 0.05 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 58.212.128.136 21:57 5.00s 0.00s 0.00s w
last:當前和曾經登入系統的用戶信息
[root@H0f ~]# last root pts/0 58.212.128.136 Wed Jun 13 21:57 still logged in root pts/0 58.212.128.136 Tue Jun 12 23:32 - 00:11 (00:38) root pts/0 171.35.57.52 Thu May 31 12:50 - 16:19 (03:29) root pts/0 171.35.58.117 Mon May 28 21:07 - 21:37 (00:29) root pts/1 180.169.225.186 Fri May 25 17:17 - 18:23 (01:05) root pts/0 180.169.225.186 Fri May 25 16:58 - 18:23 (01:24) root pts/1 180.169.225.186 Fri May 25 15:10 - 16:32 (01:21) root pts/0 180.169.225.186 Fri May 25 09:45 - 16:32 (06:46) root pts/0 112.64.60.8 Fri May 25 00:18 - 00:25 (00:06) root pts/0 180.169.225.186 Thu May 24 10:29 - 21:35 (11:05)
who:當前用戶登錄信息
[root@H0f ~]# who -q #用戶登錄數量
root
# users=1
[root@H0f ~]# who -rH #用戶登錄級別
NAME LINE TIME IDLE PID COMMENT
run-level 3 2018-05-15 17:16
[root@H0f ~]# who #當前用戶
root pts/0 2018-06-13 21:57 (58.212.128.136)
user：顯示當前正在登入統的用戶名
[root@H0f ~]# users root
3.操作記錄:history
[root@H0f ~]# history 14 config_file:/etc/redis/6379.conf 15 # Clients 16 connected_clients:26 17 client_longest_output_list:0 18 client_biggest_input_buf:14 19 blocked_clients:0 20 # Memory 21 used_memory:1507720 22 used_memory_human:1.44M 23 used_memory_rss:1908736 24 used_memory_peak:1585688 25 used_memory_peak_human:1.51M 26 used_memory_lua:654336 27 mem_fragmentation_ratio:1.27 28 mem_allocator:jemalloc-3.6.0 29 # Persistence
Linux用戶登錄信息