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Making vanilla web-fontend (project with lit, web component) secured (discussions with chatGpt)

Query: I wn complete seperate .css/.scss and .html template file for my webcomponent.js like in angular. But with complete security. In lit. Use any js lib like domPurify, etc. But I wan complete safety. How? ChatGPT said: Thought for 16s Totally doable. Here’s a secure Lit setup with fully separate .html + .scss files , sanitized with DOMPurify , and rendered into the Shadow DOM without sacrificing performance. Folder layout src / lib/ safe- html .js components/ app-shell .html app-shell .scss app-shell .js 1) Install deps npm i dompurify npm i -D sass Vite will compile .scss . We’ll import the compiled CSS as text and attach it via adoptedStyleSheets (fast + memory-friendly). 2) app-shell.html (pure template file) Put your Carbon UI Shell markup here (no scripts). Example stub: < cds-header aria-label = "My App" > < cds-header-name prefix = "IBM" >[Platform] </ cds-header-name > < cds-header-glo...

How to set LD_LIBRARY_PATH path in Environment Variable for using cppcms (chatgpt ans)

 ### Option 1: Setting the `LD_LIBRARY_PATH` Environment Variable


You can temporarily add the directory containing `libcppcms.so.2` to the `LD_LIBRARY_PATH` environment variable.


```sh

export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

./learnCppcms -c config.js

```


Replace `/usr/local/lib` with the actual path to the directory where `libcppcms.so.2` is installed.


### Option 2: Adding the Library Path to `/etc/ld.so.conf`


For a more permanent solution, you can add the library directory to the `/etc/ld.so.conf` file and run `ldconfig` to update the linker cache.


1. Open `/etc/ld.so.conf` in a text editor with root permissions:


    ```sh

    sudo nano /etc/ld.so.conf

    ```


2. Add the directory containing `libcppcms.so.2` (e.g., `/usr/local/lib`).


3. Save the file and exit the text editor.


4. Run `ldconfig` to update the linker cache:


    ```sh

    sudo ldconfig

    ```


### Option 3: Using a Wrapper Script


You can create a simple shell script to set the `LD_LIBRARY_PATH` environment variable before running your application:


1. Create a file named `run_learnCppcms.sh`:


    ```sh

    nano run_learnCppcms.sh

    ```


2. Add the following content to the file:


    ```sh

    #!/bin/bash

    export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH

    ./learnCppcms -c config.js

    ```


    Replace `/usr/local/lib` with the actual path to the directory where `libcppcms.so.2` is installed.


3. Make the script executable:


    ```sh

    chmod +x run_learnCppcms.sh

    ```


4. Run your application using the script:


    ```sh

    ./run_learnCppcms.sh

    ```


### Additional Steps


1. **Ensure Libraries are Installed**: Verify that `libcppcms.so.2` is actually installed on your system. You can search for the file using:


    ```sh

    sudo find / -name libcppcms.so.2

    ```


2. **Check Symbolic Links**: Sometimes the issue is caused by missing symbolic links. Ensure that `libcppcms.so.2` is correctly linked in your library directory. For example, if the actual file is `libcppcms.so.2.0.0`, you might need to create a symlink:


    ```sh

    sudo ln -s /path/to/libcppcms.so.2.0.0 /usr/local/lib/libcppcms.so.2

    ``

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