farrokhi

build/update database:

cd $PROJ_DIR
find . -path .git -path .svn -prune -o -name "*.[ch]" > cscope.files
cscope -bqk

browse code:

cscope -d

farrokhi

In order to avoid FreeBSD ntpd listen on wildcard interface, add following lines to /etc/ntp.conf:

interface ignore wildcard
interface listen 10.0.0.1

farrokhi

grep -A1 Normal  /proc/zoneinfo  ; echo "--"; sysctl vm.min_free_kbytes ; echo "--"; numactl -H | grep free

farrokhi

Omitting debug symbols

To build without debug symbols:

go build -ldflags="-s -w"

ref: https://golang.org/cmd/link/

farrokhi

#!/bin/sh
defaults write com.apple.desktopservices DSDontWriteUSBStores -bool true
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true
defaults read com.apple.desktopservices

farrokhi

Save this as curl-perf.cfg:

{\n
"time_connect":       %{time_connect},\n
"time_pretransfer":   %{time_pretransfer},\n
"time_starttransfer": %{time_starttransfer},\n
"time_total":         %{time_total},\n
"size_request":       %{size_request},\n
"size_upload":        %{size_upload},\n
"size_download": %{size_download},\n

farrokhi

setup environment

virtualenv .venv
source .venv/bin/activate
pip3 install jupyter pandas
pip3 install matplotlib
pip3 install seaborn scipy # optional

farrokhi

Install emacs view brew:

brew tap railwaycat/emacsmacport
brew install --with-native-comp --with-imagemagick --with-natural-title-bar --with-starter emacs-mac

Install latest mu (including mu4e):

brew install --HEAD mu

farrokhi

#!/bin/sh

set -eu

export LISPDIR="${HOME}/.emacs.d/lisp"
export MUCOMMIT="HEAD-"$(git log -n1 --decorate=no --shortstat --abbrev-commit | head -n1 | awk '{print $2}')

if [ `uname -m` = "arm64" ]; then
    export HBPREFIX="/opt/homebrew/Cellar"
else

farrokhi

# as root
systemctl stop mastodon-web mastodon-sidekiq mastodon-streaming

su - mastodon
cd live

# as mastodon user, in its live direcotry
export MASTODON_VER=v4.3.7
export RAILS_ENV=production