http://blog.csdn.net/chenhao112358/article/details/40892239
http://www.cnblogs.com/blueswu/p/3564763.html
http://blog.clanzx.net/2013/12/31/rsyslog.html
http://www.xiaomastack.com/2014/11/06/logger-rsyslog/
http://www.cnblogs.com/tobeseeker/archive/2013/03/10/2953250.html
http://www.open-open.com/lib/view/open1440982522565.html
https://linux.cn/article-4835-1.html#3_4334
服务器初始配制：其他实验基于添加
[root@server1 ~]# vi /etc/rsyslog.conf # rsyslog v5 configuration file # For more information see /usr/share/doc/rsyslog-*/rsyslog_conf.html # If you experience problems, see http://www.rsyslog.com/doc/troubleshoot.html #### MODULES #### $ModLoad imuxsock # provides support for local system logging (e.g. via logger command) $ModLoad imklog # provides kernel logging support (previously done by rklogd) #$ModLoad immark # provides --MARK-- message capability $ModLoad imuxsock # provides support for local system logging (e.g. via logger command) $ModLoad imklog # provides kernel logging support (previously done by rklogd) #$ModLoad immark # provides --MARK-- message capability # Provides UDP syslog reception #$ModLoad imudp $UDPServerRun 514 //去掉# # Provides TCP syslog reception #$ModLoad imtcp $InputTCPServerRun 10514 //去掉# #### GLOBAL DIRECTIVES #### # Use default timestamp format $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat
实例1：
服务器: /etc/rsyslog.conf文件最后添加 *.* /var/log/all.log
service rsyslog restart
客户端：
/etc/rsyslog.conf文件最后添加
*.* @@10.24.220.232:10514 //通过tcp传
service rsyslog restart
------------------------------------------------------------------------------------------
客户端测试试程序：k.c
#include <syslog.h>
int main(void){
int log_test;
openlog("log_test", LOG_PID|LOG_CONS, LOG_USER);
syslog(LOG_INFO, "PID information, pid=%d ", getpid());
syslog(LOG_ALERT, "debug message ");
closelog();
return 0;
}
root@slave1 ~]# ./k
服务器查看log:
cat /var/log/all.log
Jun 12 20:44:05 slave1 log_test[12612]: PID information, pid=12612
Jun 12 20:44:05 slave1 log_test[12612]: debug message
实例2： 服务器: /etc/rsyslog.conf文件最后添加 *.* /var/log/all.log service rsyslog restart 客户端： /etc/rsyslog.conf文件最后添加 *.* @10.24.220.232:10514 //通过udp service rsyslog restart
------------------------------------------------
客户端：
[root@slave1 ~]# logger "hello world"
服务器查看log:
cat /var/log/all.log
Jun 12 20:50:51 slave1 root: hello world
实例3
服务器： /etc/rsyslog.conf文件最后添加
local5.* /var/log/all.log #过滤local5级别的日志，放入/var/log/all.log
客户端只加入：
local5.* @10.1.5.241:514 #通过udp传
客户端测试：
[root@slave1 ~]# logger -p local5.info "hello world"
服务端显示：
root@server1 log]# cat /var/log/all.log
Jun 12 21:06:21 slave1 root: hello world
实例4:
服务端：
/etc/rsyslog.conf文件最后添加
$template logfile,"/var/log/logfile_%$year%%$month%%$day%.log" //生成新的日志文件
:msg,contains,"muyushan" ?logfile //表示对消息中含有muyushan 发送到,logfile定义的文件中
客户端：
/etc/rsyslog.conf文件最后添加
:msg,contains,"muyushan" @@192.168.1.26:10514 //只对消息中含有muyushan发送到192.168.1.26：10514主机
注意： :msg,contains,"muyushan"
logger -t muyushan "muyushan" :rsyslog 只对 "muyushan" 过滤，发送到192.168.1.26:10514
logger -t muyushan "test" 是不发送到 192.168.1.26:10514
EG：
2016-06-13T00:48:16.643880-07:00 localhost muyushan: muyushan 中的红色过滤
客户端测试：logger "muyushan"
服务器查看:
[root@localhost log]# cat logfile_20160613.log
2016-06-13T01:11:21-07:00 localhost root: muyushan