“ 目录RHCA - 12 系统监控 - 11 multitail命令监控日志 ”类似于tail可打开多个窗口同时动态监控多个文件语法格式multitail [参数] [文件名]参数作用-e指定监控哪个关键字-i指定监控哪个文件-l指定监控哪个命令一、安装[rootwuzuniao ~]# yum -y install epel-release.noarch #安装EPEL仓库[rootwuzuniao ~]# yum -y install multitail #安装软件包二、使用[rootwuzuniao ~]# multitail -e fail /var/log/messages #监控日志中关键字Jun 26 22:02:29 wuzuniao journal: failed to get edid data: EDID length is too smallJun 26 22:02:30 wuzuniao journal: failed to get edid: unable to get EDID for output00] /var/log/messages *Press F1/ for help* 879KB - 2024/06/26 23:52:28[rootwuzuniao ~]# multitail -i /var/log/messages #监控日志文件所有日志Jun 26 23:31:00 wuzuniao chronyd[739]: Selected source 202.112.31.197Jun 26 23:40:01 wuzuniao systemd: Started Session 16 of user root.Jun 26 23:47:02 wuzuniao yum[61325]: Installed: multitail-6.5.0-1.el7.x86_64Jun 26 23:50:01 wuzuniao systemd: Started Session 17 of user root.Jun 26 23:53:01 wuzuniao systemd: Started Session 18 of user root.00] /var/log/messages *Press F1/ for help* 879KB - 2024/06/26 23:53:33[rootwuzuniao ~]# multitail -l ping www.wuzuniao.com #监控命令执行情况PING 34kt72m0.slt-dk.sched.tdnsv8.com (27.221.72.110) 56(84) bytes of data.64 bytes from 27.221.72.110 (27.221.72.110): icmp_seq1 ttl54 time47.1 ms64 bytes from 27.221.72.110 (27.221.72.110): icmp_seq2 ttl54 time34.1 ms64 bytes from 27.221.72.110 (27.221.72.110): icmp_seq3 ttl54 time34.4 ms00] ping www.wuzuniao.com 147MB (VMsize) 61530 (PID) - 2024/06/26 23:55:20[rootwuzuniao ~]#