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@soderlind
soderlind / Install.txt
Last active September 7, 2024 05:45
macOS DoH! (DNS over HTTPS) using cloudflared
1) Install cloudflared using homebrew:
brew install cloudflare/cloudflare/cloudflared
2) Create /usr/local/etc/cloudflared/config.yaml, with the following content
proxy-dns: true
proxy-dns-upstream:
- https://1.1.1.1/dns-query
- https://1.0.0.1/dns-query
@tamas-molnar
tamas-molnar / kubectl-shortcuts.sh
Last active October 9, 2025 01:43
aliases and shortcuts for kubectl
alias kc='kubectl'
alias kclf='kubectl logs --tail=200 -f'
alias kcgs='kubectl get service -o wide'
alias kcgd='kubectl get deployment -o wide'
alias kcgp='kubectl get pod -o wide'
alias kcgn='kubectl get node -o wide'
alias kcdp='kubectl describe pod'
alias kcds='kubectl describe service'
alias kcdd='kubectl describe deployment'
alias kcdf='kubectl delete -f'
@madhums
madhums / gin_html_render.go
Last active August 18, 2022 07:53
render html templates in gin (go)
// Package GinHTMLRender provides some sugar for gin's template rendering
//
// This work is based on gin contribs multitemplate render https://github.com/gin-gonic/contrib/blob/master/renders/multitemplate
//
// Usage
//
// router := gin.Default()
//
// // Set html render options
// htmlRender := GinHTMLRender.New()
@AlexCharlton
AlexCharlton / osc52e.el
Last active June 16, 2021 12:00
Copy text from emacs into xterm, hterm, trough screen and tmux, with support for graphical displays and multi-byte characters
;;;; This script can be loaded during emacs initialization to automatically
;;;; send `kill-region' and `kill-ring-save' regions to your system clipboard.
;;;; The OSC 52 terminal escape sequence is used to transfer the selection from
;;;; emacs to the host terminal.
;;;; It is based off of the osc52.el copyright the Chromium OS authors, but
;;;; was modified to add support for tmux, graphical displays, and
;;;; multi-byte strings.
;;;; It works in hterm, xterm, and other terminal emulators which support the
@shtwave
shtwave / gist:5162614
Last active November 10, 2021 07:04
netfilterチューニング
ip_conntrack: table full, dropping packet.
この一行のログに悩まされた方は多いのではないでしょうか。
自分もその一人です。
多くのブログには echo '500000' > /proc/sys/net/ipv4/netfilter/ip_conntrack_max で解決。みたいなことが書いてあると思います。
では、この数字について根拠はなんでしょうか。そもそも何のためにconntrack tableというものがあるのか考えたことはありますか?
闇雲に最大値をあげることにたいして抵抗がある方もいると思います。
このテキストは、転職後2日目にGWとして使っているLinux NAT BOXが爆発したことを起因とした、netfilterのチューニングについてまとめようと思います。