Control What We Can

本文强调了在面对生活中不可控因素时,我们有能力选择并控制自己的态度。我们或许无法决定生命的长度,也无法改变容貌或是外界环境,但可以决定如何积极地面对生活,通过控制自己的心态来改善生活质量。

Control What We Can

掌控我所能

                                                                                                 ------by  Jone Maxwell

 

 

 


We cannot choose how many years we will live,

but we can choose how much life those years will have .

We cannot control the beauty  of our face ,

but we can control the expression on it .

We cannot control life's difficult moments,

but we can choose to make life less difficult.

We cannot control the negative atmosphere of the world,

but we can control the atmosphere of our minds.

Too often we try to choose and control things we cannot.

Too seldom we choose to control what we can ...our attitude.


 

 

我们无法决定我们寿命的长短,但我们可以决定活得有多充实。
我们无法控制自己的容貌,但我们可以控制自己的表情。
我们无法控制生活的艰辛,但我们可以选择让生活过得更从容。
我们无法控制世界上消极的氛围,但我们可以控制我们思想的氛围。
我们经常选择去做那些我们无法控制的事,却很少去选择我们可以控制的事
——那就是我们的态度。

### Explanation of the `sudo` Command The `sudo` command stands for "superuser do." It allows a user to run programs with the security privileges of another user, typically the superuser (root). This is crucial for performing administrative tasks without logging in as the root user, enhancing security and flexibility. ### Usage of the `sudo` Command To use `sudo`, simply prefix the command you want to execute with `sudo`. For example: ```bash sudo apt-get update ``` This command will prompt you for your password and then execute `apt-get update` with root privileges. ### Importance of the `sudo` Command 1. **Enhanced Security**: - Running as a regular user minimizes the risk of accidental or malicious changes to critical system files. - Limiting root access to only necessary actions reduces exposure to potential security threats. 2. **Granular Permissions**: - The `/etc/sudoers` file allows administrators to define which users or groups can execute specific commands as root. - This fine-grained control ensures that users have only the permissions they need, adhering to the principle of least privilege. 3. **Audit and Accountability**: - All actions performed via `sudo` are logged, providing an audit trail of who executed privileged commands and when. - This enhances accountability and simplifies troubleshooting and forensic analysis. ### Example Usage Scenarios - **Updating System Packages**: ```bash sudo apt-get upgrade ``` This command updates all installed packages to their latest versions. - **Managing Services**: ```bash sudo systemctl restart apache2 ``` This command restarts the Apache web server. - **Editing Configuration Files**: ```bash sudo nano /etc/hosts ``` This command opens the `/etc/hosts` file in the nano text editor with root privileges. ### Knowledge Points - **Superuser Privileges**: `sudo` allows executing commands with elevated permissions. - **Security and Control**: Enhances system security and provides granular permission management. - **Audit Trail**: Logs actions taken with `sudo`, aiding in accountability and troubleshooting. Using `sudo` responsibly is essential for maintaining a secure and well-managed system environment.
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