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  • 蓝鲸:主机频繁提示“You have new mail in /var/spool/mail/root” 定位解决

    前些天安装蓝鲸的测试环境频繁出现You have new mail in /var/spool/mail/root,查看发现是/usr/local/gse/agent/bin/gsectl: line 19: ip: command not found,查了下报错频率基本上是每分钟报错一次。

    [root@rbtnode1 install]# 
    You have new mail in /var/spool/mail/root
    [root@rbtnode1 install]# 
    [root@rbtnode1 install]# tail -20f /var/spool/mail/root
            id D85A730F67A5; Sun,  8 Mar 2020 16:51:02 +0800 (CST)
    From: "(Cron Daemon)" <root@rbtnode1.localdomain>
    To: root@rbtnode1.localdomain
    Subject: Cron <root@rbtnode1> /usr/local/gse/agent/bin/gsectl watch
    Content-Type: text/plain; charset=UTF-8
    Auto-Submitted: auto-generated
    Precedence: bulk
    X-Cron-Env: <XDG_SESSION_ID=3138>
    X-Cron-Env: <XDG_RUNTIME_DIR=/run/user/0>
    X-Cron-Env: <LANG=en_US.UTF-8>
    X-Cron-Env: <SHELL=/bin/sh>
    X-Cron-Env: <HOME=/root>
    X-Cron-Env: <PATH=/usr/bin:/bin>
    X-Cron-Env: <LOGNAME=root>
    X-Cron-Env: <USER=root>
    Message-Id: <20200308085102.D85A730F67A5@rbtnode1.localdomain>
    Date: Sun,  8 Mar 2020 16:51:01 +0800 (CST)
    
    /usr/local/gse/agent/bin/gsectl: line 19: ip: command not found
    
    ^C
    

    看下目前为止的报错次数:

    [root@rbtnode1 install]# grep "line 19: ip: command not found" /var/spool/mail/root |wc -l
    15748
    [root@rbtnode1 install]# 
    You have new mail in /var/spool/mail/root
    [root@rbtnode1 install]# grep "line 19: ip: command not found" /var/spool/mail/root |wc -l
    15750
    

    查看/usr/local/gse/agent/bin/gsectl文件,vi定位到19行:

         17 get_lan_ip  () {
         18    #
         19    ip addr | 
         20        awk -F'[ /]+' '/inet/{
         21                split($3, N, ".")
         22                if ($3 ~ /^192.168/) {
         23                    print $3
         24                }
         25                if (($3 ~ /^172/) && (N[2] >= 16)) {
         26                    print $3
         27                }
         28                if ($3 ~ /^10./) {
         29                    print $3
         30                }
         31           }'
         32     return $?
         33 }
         34 export LAN_IP=$(get_lan_ip | head -1)
    

    使用which ip 查看系统ip命令的路径:

    [root@rbtnode1 install]# which ip
    /usr/sbin/ip
    

    尝试修改第19行,ip命令的调用改为绝对路径:/usr/sbin/ip

         19    /usr/sbin/ip addr | 
    

    再次查看报错次数和最近的报错时间:

    [root@rbtnode1 install]# grep "line 19: ip: command not found" /var/spool/mail/root |wc -l
    15755
    
    [root@rbtnode1 install]# tail -20f /var/spool/mail/root
            id 9647530F67A5; Sun,  8 Mar 2020 16:58:03 +0800 (CST)
    From: "(Cron Daemon)" <root@rbtnode1.localdomain>
    To: root@rbtnode1.localdomain
    Subject: Cron <root@rbtnode1> /usr/local/gse/agent/bin/gsectl watch
    Content-Type: text/plain; charset=UTF-8
    Auto-Submitted: auto-generated
    Precedence: bulk
    X-Cron-Env: <XDG_SESSION_ID=3279>
    X-Cron-Env: <XDG_RUNTIME_DIR=/run/user/0>
    X-Cron-Env: <LANG=en_US.UTF-8>
    X-Cron-Env: <SHELL=/bin/sh>
    X-Cron-Env: <HOME=/root>
    X-Cron-Env: <PATH=/usr/bin:/bin>
    X-Cron-Env: <LOGNAME=root>
    X-Cron-Env: <USER=root>
    Message-Id: <20200308085803.9647530F67A5@rbtnode1.localdomain>
    Date: Sun,  8 Mar 2020 16:58:02 +0800 (CST)
    
    /usr/local/gse/agent/bin/gsectl: line 19: ip: command not found
    

    后续观察没再发现这个报错计数增长,也没有16:58:03之后的报错信息,说明改动有效。

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  • 原文地址:https://www.cnblogs.com/jyzhao/p/12443505.html
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