# Arch Linux

## adjusting screen brightness

brightness up

```
sudo brillo -A 10
```

brightness down

```
sudo brillo -U 10
```

## check installed fonts

```shell
fc-list
```

## `yay`

\*\* update packages \*\*

```shell
yay -Syyu
```

**update single package**

````shell
yay -S <package name>
``

## `pacman`

**install package**

```shell
pacman -S <package name>
``
**update single package**

```shell
pacman -S <package name>
``

***update all installed packages**

```shell
pacman -Syu
`*update all installed packages**

```shell
pacman -Syu
````

**Clear pacman cache**

```shell
sudo pacman -Scc
```

**uninstall package**

```shell
sudo pacman -Rs
```

**remove unused packages**

```shell
sudo pacman -Rns (pacman -Qqtd)
```

***

## Using `debtap` to install a package

When there is no AUR package for something you are trying to install, you should try this method.

**install `debtap`**

```shell
yay -S debtap
```

**update the repos**

```shell
sudo debtap -u
```

**convert the `.deb` file**

```shell
sudo debtap filename.deb
```

**install the converted `.tar.zst` file**

```shell
sudo pacman -U filename.tar.zst
```

***

\*\*clean the cache in `~/home` directory

```shell
sudo du -sh ~/.cache/
```

my results: ![num3-clean-cache](https://github.com/djsnipa1/cheatsheets/blob/master/images/num3-clean-cache.png)

![num3-clean-cache](https://github.com/djsnipa1/cheatsheets/blob/assets/images/num3-clean-cache.png)

sha for image above: `abd33a8f83306b93bb69a767d0bf0ed4e2963843`

![num3-clean-cache](https://github.com/djsnipa1/cheatsheets/blob/master/assets/images/num3-clean-cache.png?raw=true)

## ![num3-clean-cache](https://github.com/djsnipa1/cheatsheets/assets/images/num3-clean-cache.png?raw=true)