# lxc

## Setup

requires snap

```bash
sudo apt install snap
```

```bash
sudo snap install lxd
sudo usermod -a -G lxd $(whoami)
```

Init

Setup lxd

```bash
sudo lxd init
```

## Containers

### List

```bash
lxc list
```

### Get Info

```bash
lxc info containername
```

### Create

```bash
lxc launch ubuntu containername
```

### move

```bash
lxc mv ubuntu ubuntu1
lxc mv ubuntu1 -s=poolname
```

### Stop

```bash
lxc stop containername
```

Exec bash on container

```bash
lxc exec $containername bash
```

### Exec multiple commands

```bash
lxc exec "container name" -- bash -c "apt update -y && apt upgrade -y"
```

### delete a container

```bash
lxc rm "container name"
#if force required
lxc rm "container name" --force
```

### Configuration

Edit

```bash
lxc config edit "container name"
```

Set value

```bash
#Example
lxc config set "container name" "security.nesting" "true"

```

### Profile Management

```bash
lxc profile remove "container name" "profile name to remote" 
lxc profile assign "container name" "profile name to assign" 
```

## Profiles

### macvlan only

1) create copy from default

```bash
lxc profile copy default eth0_macvlan
lxc profile edit eth0_macvlan
```

1) edit new profile

```bash

devices:
  eth0:
    nictype: macvlan
    parent: eth0 # parent ethernet name
    type: nic
```

## swap

swap on lxc
limits.memory.swap: "false"

swap on host
https://www.shellhacks.com/swappiness-in-linux-ubuntu-how-to-change/