falcon-agent运行出错解决方法一

错误1：在一些机器上agent运行时会因机器的系统等原因造成的报以下错误：

当前的机器配置为：centos系统为8.1，内核为4.18

[root@xxxx agent]# cat var/app.log
2020/08/18 14:51:11 cfg.go:178: read config file: cfg.json successfully
2020/08/18 14:51:11 http.go:92: listening 127.0.0.1:1988
panic: runtime error: index out of range [1] with length 1

goroutine 19 [running]:
github.com/open-falcon/falcon-plus/modules/agent/vendor/github.com/toolkits/nux.SocketStatSummary(0x0, 0x0, 0x48)
/home/centos/go/src/github.com/open-falcon/falcon-plus/modules/agent/vendor/github.com/toolkits/nux/ss_s.go:49 +0x796
github.com/open-falcon/falcon-plus/modules/agent/funcs.SocketStatSummaryMetrics(0x0, 0x0, 0x0)
/home/centos/go/src/github.com/open-falcon/falcon-plus/modules/agent/funcs/sockstat.go:24 +0x37
github.com/open-falcon/falcon-plus/modules/agent/cron.collect(0x3c, 0xc00000f260, 0x3, 0x3)
/home/centos/go/src/github.com/open-falcon/falcon-plus/modules/agent/cron/collector.go:73 +0xe3
created by github.com/open-falcon/falcon-plus/modules/agent/cron.Collect
/home/centos/go/src/github.com/open-falcon/falcon-plus/modules/agent/cron/collector.go:55 +0xbf
[root@xxxx agent]#

解决办法：

这是因为agent的nux库还不支持所有系列的centos系统，所以需要更友好的系统装到机器上

将系统版本降到7.5，内核版本降至3.10

再次按照agent并运行即可。