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sspencerwire merged 1 commit into from
Apr 15, 2025
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Revise some text errors and precise text descriptions #2678

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22 changes: 11 additions & 11 deletions docs/books/admin_guide/10-boot.md
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Expand Up @@ -45,9 +45,9 @@ The next 64 bytes contain the partition table of the disk.

The Rocky 8 distribution's default bootloader is **GRUB2** (GRand Unified Bootloader). GRUB2 replaces the old GRUB bootloader (also called GRUB legacy).

You can locate the GRUB 2 configuration file under `/boot/grub2/grub.cfg`, but you should not edit this file directly.
You can locate the GRUB2 configuration file under `/boot/grub2/grub.cfg`, but you should not edit this file directly.

You can find the GRUB2 menu configuration settings under `/etc/default/grub`. The `grub2-mkdconfig` command uses these to generate the `grub.cfg` file.
You can find the GRUB2 menu configuration settings under `/etc/default/grub`. The `grub2-mkconfig` command uses these to generate the `grub.cfg` file.

```bash
# cat /etc/default/grub
Expand Down Expand Up @@ -220,24 +220,24 @@ Due to space limitations, this document will not provide a detailed introduction

### Managing system services

Service units end with the `.service` file extension and have a similar purpose to init scripts. The use of `systemctl` command is to `display`, `start`, `stop`, or `restart` a system service:
Service units end with the `.service` file extension and have a similar purpose to init scripts. The use of `systemctl` command is to `display`, `start`, `stop`, or `restart` a system service. Except for very few cases, the `systemctl` single line command can operate on one or more units in most cases (not limited to the unit type of ".service"). You can view it through the help system.

| systemctl | Description |
|-------------------------------------------|-----------------------------------------|
| systemctl start *name*.service | Starts a service |
| systemctl stop *name*.service | Stops a service |
| systemctl restart *name*.service | Restarts a service |
| systemctl reload *name*.service | Reloads a configuration |
| systemctl status *name*.service | Checks if a service is running |
| systemctl try-restart *name*.service | Restarts a service only if it is running |
| systemctl start *name*.service ... | Start one or more services |
| systemctl stop *name*.service ... | Stop one or more services |
| systemctl restart *name*.service ... | Restart one or more services |
| systemctl reload *name*.service ... | Reload one or more services |
| systemctl status *name*.service ... | Check one or more services status |
| systemctl try-restart *name*.service ... | Restart one or more services (If they are running) |
| systemctl list-units --type service --all | Displays the status of all services |

The `systemctl` command is also used for the `enable` or `disable` of a system service and displaying associated services:

| systemctl | Description |
|------------------------------------------|---------------------------------------------------------|
| systemctl enable *name*.service | Activates a service |
| systemctl disable *name*.service | Disables a service |
| systemctl enable *name*.service ... | Activates one or more services |
| systemctl disable *name*.service ... | Disables one or more services |
| systemctl list-unit-files --type service | Lists all services and checks if they are running |
| systemctl list-dependencies --after | Lists the services that start before the specified unit |
| systemctl list-dependencies --before | Lists the services that start after the specified unit |
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