linux 日志。求助如何去掉。

聪聪儿

我用redhat linux 9 + sybase11.0.3做的服务器
每天早上开机，晚上关。
平时没人动。

我有一天登陆发现有mail提示，我输入mail后，一看每天都有两个相同日志。
这样下去，我怕服务器的硬盘空间不够。怎样才能去掉这两个日志。

第一个日志。

From root@localhost.localdomain  Fri Oct 17 10:22:25 2003
Return-Path: <root@localhost.localdomain>;
Received: from localhost.localdomain (aoxiang [127.0.0.1])
        by localhost.localdomain (8.12.8/8.12. with ESMTP id h9H2MPhO004064
        for <root@localhost.localdomain>;; Fri, 17 Oct 2003 10:22:25 +0800
Received: (from root@localhost)
        by localhost.localdomain (8.12.8/8.12.8/Submit) id h9H2MPk7004061
        for root; Fri, 17 Oct 2003 10:22:25 +0800
Date: Fri, 17 Oct 2003 10:22:25 +0800
From: root <root@localhost.localdomain>;
Message-Id: <200310170222.h9H2MPk7004061@localhost.localdomain>;
To: root@localhost.localdomain
Subject: LogWatch for aoxiang
Status: RO


################### LogWatch 4.3.1 (01/13/03) ####################
       Processing Initiated: Fri Oct 17 10:22:24 2003
       Date Range Processed: yesterday
     Detail Level of Output: 0
          Logfiles for Host: aoxiang
################################################################

--------------------- ModProbe Begin ------------------------

Can't locate these modules:
   char-major-188: 1 Time(s)

---------------------- ModProbe End -------------------------


--------------------- pam_unix Begin ------------------------

su:
   Sessions Opened:
      (uid=0) ->; news: 1 Time(s)
      (uid=0) ->; sybase: 2 Time(s)
      (uid=0) ->; root: 1 Time(s)

samba:
   Unknown Entries:
      session closed for user sy: 9 Time(s)
      session opened for user sy by (uid=0): 9 Time(s)

login:
   Invalid Users:
      Unknown Account: 1 Time(s)
   Authentication Failures:
      down ( ): 2 Time(s)
      unknown ( ): 1 Time(s)


---------------------- pam_unix End -------------------------


--------------------- samba Begin ------------------------


**Unmatched Entries**
nmbd/nmbd_logonnames.c:add_logon_names(165)  add_domain_logon_names:  Attempting to become logon server for workgroup XKY on subnet 172.16.1.1 : 1 Time(s)
nmbd/nmbd_logonnames.c:become_logon_server_success(124)  become_logon_server_success: Samba is now a logon server for workgroup XKY on subnet 172.16.1.1 : 1 Time(s)

---------------------- samba End -------------------------


--------------------- Connections (secure-log) Begin ------------------------


**Unmatched Entries**
xinetd[3317]: START: sgi_fam pid=3731 from=<no address>;

---------------------- Connections (secure-log) End -------------------------


--------------------- SSHD Begin ------------------------


SSHD Killed: 1 Time(s)

SSHD Started: 1 Time(s)

**Unmatched Entries**
succeeded
sshd -TERM succeeded

---------------------- SSHD End -------------------------


###################### LogWatch End #########################


第二个日志
From root@localhost.localdomain  Fri Oct 17 10:27:28 2003
Return-Path: <root@localhost.localdomain>;
Received: from localhost.localdomain (aoxiang [127.0.0.1])
        by localhost.localdomain (8.12.8/8.12. with ESMTP id h9H2RShO004255
        for <root@localhost.localdomain>;; Fri, 17 Oct 2003 10:27:28 +0800
Received: (from root@localhost)
        by localhost.localdomain (8.12.8/8.12.8/Submit) id h9H2RSpf004253
        for root; Fri, 17 Oct 2003 10:27:28 +0800
Date: Fri, 17 Oct 2003 10:27:28 +0800
Message-Id: <200310170227.h9H2RSpf004253@localhost.localdomain>;
From: root@localhost.localdomain (Anacron)
To: root@localhost.localdomain
Subject: Anacron job 'cron.daily'
Status: RO

/etc/cron.daily/tripwire-check:

****    Error: Tripwire database for aoxiang not found.    ****
**** Run /etc/tripwire/twinstall.sh and/or tripwire --init. ****