56 lines
2.8 KiB
Markdown
56 lines
2.8 KiB
Markdown
# LXC CLI Cheatsheet
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## Container Management
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- _Usage:_ Useful for day-to-day container management tasks like checking container status, executing commands inside containers, and getting detailed information.
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- `lxc list -c n,s,4,image.description:image`
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_Description:_ Lists containers with specific columns like name, state, IPv4 address, and image description.
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- `lxc info <container-name>`
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_Description:_ Displays detailed information about a specific container.
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_Example:_ `lxc info mycontainer`
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- `lxc exec <container-name> -- <command>`
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_Description:_ Executes a command inside the specified container.
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_Example:_ `lxc exec mycontainer -- bash`
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## Image Management
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- _Usage:_ Important for understanding what images are available and for selecting the right image for container deployment.
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- `lxc image list`
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_Description:_ Lists all available images.
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- `lxc image alias list <repository>: <tag>`
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_Description:_ Lists all aliases for an image in a repository.
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_Example:_ `lxc image alias list ubuntu: '20.04'`
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## Networking
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- _Usage:_ Essential for setting up and troubleshooting container networking, ensuring containers can communicate with each other and the outside world.
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- `lxc network list`
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_Description:_ Lists all networks.
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- `lxc network show <network-name>`
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_Description:_ Shows detailed information about a specific network.
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_Example:_ `lxc network show lxdbr0`
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## Advanced Container Operations
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- _Usage:_ Advanced features that allow for more complex container management, like cloning containers, and managing container states and backups.
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- `lxc launch <image-name>`
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_Description:_ Launches a new container from the specified image.
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_Examples:_ `lxc launch ubuntu:20.04`, `lxc launch images:alpine/3.13`
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- `lxc copy <source-container> <destination-container>`
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_Description:_ Copies a container to a new container.
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- `lxc snapshot <container-name>`
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_Description:_ Creates a snapshot of a container.
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- `lxc restore <container-name> <snapshot-name>`
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_Description:_ Restores a container from a specified snapshot.
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## File Management
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- _Usage:_ Useful for deploying configuration files or scripts inside containers.
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- `lxc file push <source-path> <container-name>/<destination-path>`
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_Description:_ Pushes a file from the host to the container.
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## Troubleshooting and Help
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- _Usage:_ Crucial for diagnosing and resolving issues with containers and processes.
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- `lxc --help`
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_Description:_ Displays help for LXC commands.
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- `ps -ef | grep <process-name>`
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_Description:_ Finds processes related to a specific name, useful for troubleshooting.
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_Example:_ `ps -ef | grep dnsmasq`
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> **Note:** Replace placeholders like `<container-name>`, `<network-name>`, and `<image-name>` with actual names when using the commands.
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