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  • 详解centos7中配置keepalived日志为别的路径

    由于在默认状态下keepalived的日志会写入到/var/log/message中,我们需要将此剥离出来。

    在centos 6下可以:

    (1)首先修改/etc/sysconfig/keepalived文件,注释掉如下,添加如下:

    #KEEPALIVED_OPTIONS="-D"
    KEEPALIVED_OPTIONS="-D -d -S 0" 
    

    (2)其次修改 /etc/rsyslog.conf 文件,添加如下:

    local0.* /var/log/keepalived.log
    

    在centos 7 下,还需要修改/lib/systemd/system/keepalived.service 文件:

    centos 7使用。因为centos 7使用systemctl,通过systemctl调用service,所以需要修改/lib/systemd/system/keepalived.service文件。
    将里面的:

    EnvironmentFile=-/usr/local/keepalived/etc/sysconfig/keepalived
    ExecStart=/usr/local/keepalived/sbin/keepalived $KEEPALIVED_OPTIONS
    

    修改成:

    EnvironmentFile=/etc/sysconfig/keepalived
    ExecStart=/sbin/keepalived $KEEPALIVED_OPTIONS
    

    然后重新加载service:

    systemctl daemon-reload
    

    整体的思路就是,

    1. 通过systemctl start keepalived去启动;

    2. 启动keepalived的时候,会去读service的配置文件:/lib/systemd/system/keepalived.service;

    3. 在service的配置文件时:

    3.1 启动文件路径ExecStart=/sbin/keepalived $KEEPALIVED_OPTIONS,即启动方式是带环境变量文件中参数来启动;

    3.2 读取环境变量参数EnvironmentFile=/etc/sysconfig/keepalived。

    1. $KEEPALIVED_OPTIONS参数是在/etc/sysconfig/keepalived的配置;我们配置的是KEEPALIVED_OPTIONS="-D -d -S 0";而-S是syslog的facility,0表示放在local0,在/etc/rsyslog.conf 中配置local0.* /var/log/keepalived.log

    2. 所以,写日志就去/var/log/keepalived.log了。

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  • 原文地址:https://www.cnblogs.com/sanduzxcvbnm/p/15239330.html
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