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p2ndemic / linux-optimize.sh
Created April 16, 2025 02:49 — forked from qzydustin/linux-optimize.sh
Optimize Linux Network Performance
#!/bin/sh
# Set kernel parameters in /etc/sysctl.conf
cat << EOF > /etc/sysctl.conf
# Increase maximum number of open file descriptors
fs.file-max = 1000000
# Increase maximum number of inotify instances per user
fs.inotify.max_user_instances = 8192
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p2ndemic / sysctl.conf
Last active April 16, 2025 04:47 — forked from jult/sysctl.conf
[Debian 12 update!] sysctl config for linux server with 32 GB DDR RAM or more, SSD and 1Gbe (or faster) NIC
# IPv6 Configuration
# -> note that I have disabled ip6 for our internet-connection (wan/eth0) because
# -> my upstream/ISP (still) does not do IPv6. The rest, even localhost, does ip6 stuff.
net.ipv6.conf.all.disable_ipv6 = 0
net.ipv6.conf.default.disable_ipv6 = 0
net.ipv6.conf.lo.disable_ipv6 = 0
net.ipv6.conf.eth0.disable_ipv6 = 1
net.ipv6.conf.wan.disable_ipv6 = 1
# Packet Forwarding
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p2ndemic / linux-networking-tools.md
Created April 16, 2025 02:42 — forked from miglen/linux-networking-tools.md
Linux networking tools

List of Linux networking tools

netstat (ss)

Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.

Sample output:

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)    
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED