yum: update formatting

yum.md

@@ -5,9 +5,9 @@ layout: 2017/sheet
 updated: 2024-02-07
 ---
 
-## Queries
+## Commands
 
-### Help and Lists
+### Help and lists
 
 ```bash
 yum help                     # Display yum commands and options
@@ -17,7 +17,7 @@ yum list kernel              # List installed and available kernel packages
 yum info vsftpd              # List info about vsftpd package
 ```
 
-### Searching and Dependencies
+### Searching and dependencies
 
 ```bash
 yum deplist nfs-utils        # List dependencies for nfs-utils
@@ -25,22 +25,22 @@ yum provides "*bin/top"      # Show package containing top command
 yum search samba             # Find packages with samba in name or description
 ```
 
-### Updating and Security
+### Updating and security
 
 ```bash
 yum updateinfo security      # Get info on available security updates
 yum update --security        # Apply security-related package updates
 ```
 
-## Managing Repositories
+### Managing repositories
 
 ```bash
-yum repolist                 # Display enabled software repositories
+yum repolist                     # Display enabled software repositories
 yum repoinfo rhel-7-server-rpms  # See info on specific repo
 yum repo-pkgs my-rpms list       # List packages from a specific repo
 ```
 
-## Installation and Upgrades
+### Installation and upgrades
 
 ```bash
 yum install vsftpd           # Install the vsftpd package
@@ -49,23 +49,23 @@ yum downgrade abc            # Downgrade the abc package to an earlier version
 yum autoremove httpd         # Remove httpd and unneeded packages
 ```
 
-## Package Groups
+### Package groups
 
 ```bash
 yum groupinstall "Web server"    # Install Web Server packages
 ```
 
-## Troubleshooting
+### Troubleshooting
 
 ```bash
 yum history list             # List all yum transactions
 yum clean packages           # Delete packages saved in cache
 ```
 
-## Popular Options
+### Popular options
 
 ```bash
 -y                           # Assume yes if prompted
 --disablerepo=epel           # Disable a specific repo for a command
 --downloadonly               # Download package to cache but don't install
-```
+```