“ 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
[root@wuzuniao ~]# yum -y install epel-release.noarch #安装EPEL仓库
[root@wuzuniao ~]# yum -y install multitail #安装软件包
二、使用
[root@wuzuniao ~]# 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 small
Jun 26 22:02:30 wuzuniao journal: failed to get edid: unable to get EDID for output
00] /var/log/messages *Press F1/+ for help* 879KB - 2024/06/26 23:52:28
[root@wuzuniao ~]# 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 202.112.31.197
Jun 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_64
Jun 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
[root@wuzuniao ~]# 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_seq=1 ttl=54 time=47.1 ms
64 bytes from 27.221.72.110 (27.221.72.110): icmp_seq=2 ttl=54 time=34.1 ms
64 bytes from 27.221.72.110 (27.221.72.110): icmp_seq=3 ttl=54 time=34.4 ms
00] ping www.wuzuniao.com 147MB (VMsize) 61530 (PID) - 2024/06/26 23:55:20
[root@wuzuniao ~]#
