03 2022 档案

摘要:Error现象 linux连接socket错误 11: Resource temporarily unavailable 常见于Redis、MySQL、PHP-fpm这些应用连接socket时出现错误。 一般系统处于高负载时会出现Error,导致服务不可用。例如使用Nginx代理时,业务出现502 阅读全文
posted @ 2022-03-25 11:23 JeromePowell 阅读(2762) 评论(0) 推荐(0) 编辑
摘要:NETDEVICE(7) Linux Programmer's Manual NETDEVICE(7) NAME netdevice - low-level access to Linux network devices SYNOPSIS #include <sys/ioctl.h> #includ 阅读全文
posted @ 2022-03-15 20:23 JeromePowell 阅读(58) 评论(0) 推荐(0) 编辑
摘要:2000年RFC http://www.faqs.org/rfcs/rfc3021.html 补充:RFC1332文档上有一段说明 This option provides the same address spacesavings as using a 31-bit subnet mask, bu 阅读全文
posted @ 2022-03-15 16:41 JeromePowell 阅读(302) 评论(0) 推荐(0) 编辑
摘要:1、ioctl /usr/include/linux/sockios.h # cat /usr/include/linux/sockios.h /* * INET An implementation of the TCP/IP protocol suite for the LINUX * opera 阅读全文
posted @ 2022-03-15 13:40 JeromePowell 阅读(158) 评论(0) 推荐(0) 编辑
摘要:From: https://security.tencent.com/index.php/blog/msg/206 阅读全文
posted @ 2022-03-14 18:34 JeromePowell 阅读(91) 评论(0) 推荐(0) 编辑
摘要:From: https://security.tencent.com/index.php/blog/msg/124 阅读全文
posted @ 2022-03-14 18:33 JeromePowell 阅读(24) 评论(0) 推荐(0) 编辑
摘要:From: https://mp.weixin.qq.com/s/-1GiCncNTqtfO_grQT7cGw 阅读全文
posted @ 2022-03-14 18:30 JeromePowell 阅读(92) 评论(0) 推荐(0) 编辑
摘要:pip install pycrypto 阅读全文
posted @ 2022-03-12 10:32 JeromePowell 阅读(26) 评论(0) 推荐(0) 编辑
摘要:参考: 不要在linux上启用net.ipv4.tcp_tw_recycle参数 https://blog.csdn.net/achejq/article/details/51784212 、https://www.cnblogs.com/shijingxiang/articles/11448752 阅读全文
posted @ 2022-03-10 19:15 JeromePowell 阅读(30) 评论(0) 推荐(0) 编辑
摘要:https://www.jianshu.com/p/8028bcbc4e05 阅读全文
posted @ 2022-03-10 19:09 JeromePowell 阅读(28) 评论(0) 推荐(0) 编辑
摘要:https://www.cnblogs.com/standardzero/p/12552603.html 阅读全文
posted @ 2022-03-10 19:01 JeromePowell 阅读(122) 评论(0) 推荐(0) 编辑
摘要:KAFKA参数调优实战,看这篇文章就够了!https://www.cnblogs.com/technologykai/articles/10875480.html kafka生产者使用不当导致的应用挂起/夯住 https://www.jianshu.com/p/45258f744425 https: 阅读全文
posted @ 2022-03-10 18:49 JeromePowell 阅读(305) 评论(0) 推荐(0) 编辑
摘要:yum install -y sysstat 阅读全文
posted @ 2022-03-10 18:41 JeromePowell 阅读(185) 评论(0) 推荐(0) 编辑
摘要:项目地址:https://github.com/bcicen/ctop 安装: sudo wget https://github.com/bcicen/ctop/releases/download/0.7.6/ctop-0.7.6-linux-amd64 -O /usr/local/bin/ctop 阅读全文
posted @ 2022-03-10 18:34 JeromePowell 阅读(262) 评论(0) 推荐(0) 编辑

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