Posted Updated 2 minutes read (About 225 words)
self configuration in linux
install
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| apt install build-essential
echo $PATH
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bachrc
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alias mgs="git status"
alias mgc="git commit"
alias mgca="git commit --amend"
alias mcmakec="rm -rf build && cmake -S . -B build"
alias mcmakeb="cmake --build build --parallel 32 "
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ssh-keygen -t ed25519 -C helianthus547@gmail.com
ssh-copy-id -i ~/.ssh/id_ed25519.pub heli@192.168.1.113
vim ~/.ssh/config
Host WS
HostName 192.168.1.113
Port 22
User heli
IdentityFile ~/.ssh/id_ed25519
ssh -T git@github.com
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change to nerd font
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| apt install -yqq fontconfig
wget -q -nv https://github.com/ryanoasis/nerd-fonts/releases/download/v3.2.1/JetBrainsMono.zip
unzip JetBrainsMono.zip -d ~/.local/share/fonts
fc-cache -fv
brew search font
brew install font-jetbrains-mono-nerd-font
'JetbrainsMonoNL Nerd Font Mono'
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tar
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tar -zcvf xxx.tar.gz source_file
tar -zxvf xxx.tar.gz -C path
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big or little endian
lscpu
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| #include <bit>
#include <iostream>
int main()
{
if constexpr (std::endian::native == std::endian::big)
std::cout << "big-endian\n";
else if constexpr (std::endian::native == std::endian::little)
std::cout << "little-endian\n";
else
std::cout << "mixed-endian\n";
}
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| union T {
int i;
char byte[];
} t;
int main()
{
t.i = 1;
t.byte[0] == 1;
return
}
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