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@ -51,10 +51,11 @@ cat /proc/sys/net/core/wmem_max |
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## 212992(208KB) |
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## 从 208KB 调整至 1MB |
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## 临时修改 |
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su |
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echo 1048576 > /proc/sys/net/core/rmem_max |
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echo 1048576 > /proc/sys/net/core/wmem_max |
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## 永久修改 |
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vim /etc/sysctl.conf |
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sudo vim /etc/sysctl.conf |
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net.core.rmem_max = 1048576 |
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net.core.wmem_max = 1048576 |
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@ -63,9 +64,41 @@ net.core.wmem_max = 1048576 |
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ulimit -a |
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ulimit -n 65536 |
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## 永久修改 |
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vim /etc/security/limits.conf |
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sudo vim /etc/security/limits.conf |
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* soft nofile 32768 |
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* hard nofile 65536 |
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reboot |
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ulimit -a |
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``` |
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## 修改 ffmpeg 参数(需要重新编译) |
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``` |
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# 修改 udp.c 内的 UDP_MAX_PKT_SIZE 大小x10 |
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#define UDP_MAX_PKT_SIZE (65536 * 10) |
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``` |
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# 调试工具 |
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``` |
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# 安装调试工具 |
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sudo apt install -y linux-tools-common htop iftop |
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sudo add-apt-repository ppa:wireshark-dev/stable |
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sudo apt update |
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sudo apt install wireshark |
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# 查看系统信息 |
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top or htop |
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# 查看网络连接 |
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netstat -tunlp |
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# 查看带宽 |
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iftop |
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# 查看 udp 丢包 |
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cat /proc/net/snmp | grep -w Udp |
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# 网络抓包 |
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tcpdump #https://blog.csdn.net/weixin_36338224/article/details/107035214 |
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wireshark |
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``` |
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