FTP伺服器死機
在公司，用RHEL5 建立的VSFTP伺服器,用過一段時間，就莫名的機器死了，鍵盤也死了....這是本人第一次建立FTP伺服器，感覺不知道從何下手，麻煩大家看下日誌，幫初學的我分析下，到底是什麼問題引起的死機,非常感謝!
/var/log/messages日誌如下
ar 25 12:40:03 yongjia avahi-daemon: Found user 'avahi' (UID 70) and group 'avahi' (GID 70).
Mar 25 12:40:03 yongjia avahi-daemon: Successfully dropped root privileges.
Mar 25 12:40:03 yongjia avahi-daemon: avahi-daemon 0.6.16 starting up.
Mar 25 12:40:03 yongjia avahi-daemon: WARNING: No NSS support for mDNS detected, consider installing nss-mdns!
Mar 25 12:40:03 yongjia avahi-daemon: Successfully called chroot().
Mar 25 12:40:03 yongjia avahi-daemon: Successfully dropped remaining capabilities.
Mar 25 12:40:03 yongjia avahi-daemon: Loading service file /services/sftp-ssh.service.
Mar 25 12:40:04 yongjia avahi-daemon: New relevant interface eth0.IPv6 for mDNS.
Mar 25 12:40:04 yongjia avahi-daemon: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::21d:fff:fe10:a00f.
Mar 25 12:40:04 yongjia avahi-daemon: New relevant interface eth0.IPv4 for mDNS.
Mar 25 12:40:04 yongjia avahi-daemon: Joining mDNS multicast group on interface eth0.IPv4 with address 218.25.158.109.
Mar 25 12:40:04 yongjia avahi-daemon: Network interface enumeration completed.
Mar 25 12:40:04 yongjia avahi-daemon: Registering new address record for fe80::21d:fff:fe10:a00f on eth0.
Mar 25 12:40:04 yongjia avahi-daemon: Registering new address record for 218.25.158.109 on eth0.
Mar 25 12:40:04 yongjia avahi-daemon: Registering HINFO record with values 'I686'/'LINUX'.
Mar 25 12:40:04 yongjia avahi-daemon: Server startup complete. Host name is yongjia.local. Local service cookie is 3662378558.
Mar 25 12:40:05 yongjia avahi-daemon: Service "SFTP File Transfer on yongjia" (/services/sftp-ssh.service) successfully established.
Mar 25 12:40:10 yongjia smartd: smartd version 5.36 Copyright (C) 2002-6 Bruce Allen
Mar 25 12:40:10 yongjia smartd: Home page is http://smartmontools.sourceforge.net/
Mar 25 12:40:10 yongjia smartd: Opened configuration file /etc/smartd.conf
Mar 25 12:40:10 yongjia smartd: Configuration file /etc/smartd.conf parsed.
Mar 25 12:40:10 yongjia smartd: Device: /dev/hda, opened
Mar 25 12:40:10 yongjia smartd: Device: /dev/hda, found in smartd database.
Mar 25 12:40:10 yongjia smartd: Device: /dev/hda, is SMART capable. Adding to "monitor" list.
Mar 25 12:40:10 yongjia smartd: Monitoring 1 ATA and 0 SCSI devices
Mar 25 12:40:11 yongjia smartd: smartd has fork()ed into background mode. New PID=2245.
(以上是死機以前的日誌)
Mar 26 08:06:31 yongjia syslogd 1.4.1: restart.
Mar 26 08:06:31 yongjia audispd: starting audispd
Mar 26 08:06:31 yongjia kernel: klogd 1.4.1, log source = /proc/kmsg started.
Mar 26 08:06:31 yongjia kernel: Linux version 2.6.18-8.el5 (brewbuilder@ls20-bc2-14.build.redhat.com) (gcc version 4.1.1 20070105 (Red Hat 4.1.1-52)) #1 SMP Fri Jan 26 14:15:21 EST 2007
Mar 26 08:06:31 yongjia kernel: BIOS-provided physical RAM map:
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 000000001fff0000 - 000000001fff3000 (ACPI NVS)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 000000001fff3000 - 0000000020000000 (ACPI data)
Mar 26 08:06:31 yongjia kernel: BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
Mar 26 08:06:31 yongjia kernel: 0MB HIGHMEM available.
Mar 26 08:06:31 yongjia kernel: 511MB LOWMEM available.
Mar 26 08:06:31 yongjia kernel: Using x86 segment limits to approximate NX protection
《解決方案》
在線等，麻煩知道的朋友幫忙下，謝謝！
《解決方案》
我個人覺得可能是電源的問題
《解決方案》
日中中沒有顯示關於FTP的異常信息。
《解決方案》
流量是多大，
把併發數設小點呢
