Multicasting routing and IGMP settings on Linux. Multicasting is widely used in IPTV stream because it allows to stream only the video packets that are being requested by clients.
Where to find IP address in file system (e.g. proc or sys) According to a post on SO, cat /proc/net/tcp will return it in. the second column, with the heading "local_address", e.g. "CF00A8C0:0203". The part after ":" is a port number. From the rest use the last two (C0) as a hex number, e.g. C0 is 192, which is the start of the address in this example. Linux-Kernel Archive: Re: ARP timeout value, why 1 minute In article
Aug 14, 2018
Parameter Value File; semmsl. semmns. semopm. semmni. 250. 32000. 100. 128 /proc/sys/kernel/sem: shmall: 40 percent of the size of physical memory in pages. Note: If the server supports multiple databases, or uses a large SGA, then set this parameter to a value that is equal to the total amount of shared memory, in 4K pages, that the system can use at one time.
Dec 09, 2018 · Sysctl is a means of configuring certain aspects of the kernel at run-time, and the /proc/sys/ directory is there so that you don't even need special tools to do it! In fact, there are only four things needed to use these config facilities: a running Linux system; root access; common sense (this is especially hard to come by these days)
Jul 08, 2009 · # echo 'net.ipv4.tcp_rmem= 10240 87380 12582912' >> /etc/sysctl.conf # echo 'net.ipv4.tcp_wmem= 10240 87380 12582912' >> /etc/sysctl.conf Turn on window scaling which can be an option to enlarge the transfer window: Entries in /proc/sys/net/ipv6/ 11.2.1. conf/default/* Change the interface-specific default settings. 11.2.2. conf/all/* Change all the interface-specific settings. 此文内容从网络收集，介绍了Linux系统 /proc/sys/net/ipv4/ 目录下所有内核参数的含义，由于简书每篇文章字数的限制