Small typo error - and testing new nvim

Cleaned up code blocks

08 - Advanced Linux Administration/Advanced Package Management.md

@@ -1,27 +0,0 @@
-## In **Linux Mint**, package management is essential for installing, updating, and managing software. Let's explore some key tools and concepts:
-
-1. **APT (Advanced Packaging Tool)**:
-   - APT is the primary package manager for Debian-based systems, including Linux Mint.
-   - It handles software installation, removal, querying, and upgrades.
-   - Common APT commands:
-     - `sudo apt update`: Refreshes package lists from repositories.
-     - `sudo apt install package-name`: Installs a package.
-     - `sudo apt remove package-name`: Removes a package.
-     - `sudo apt upgrade`: Upgrades installed packages.
-     - `sudo apt search keyword`: Searches for packages.
-   - APT uses `.deb` packages and works alongside `dpkg`, which installs individual `.deb` files.
-
-2. **Synaptic Package Manager**:
-   - Synaptic is an advanced graphical package management tool.
-   - To install Synaptic:
-     ```
-     sudo apt install synaptic 
-     ```
-   - Launch it from the Applications menu or by typing `synaptic` in the terminal.
-
-Remember, APT and Synaptic empower you to manage software efficiently in Linux Mint! 😊🚀 ²³
-
-Source: Conversation with Copilot, 7/12/2024
-- [(1) How to Install and Update Apps on Linux Mint - UMA Technology.](https://umatechnology.org/how-to-install-and-update-apps-on-linux-mint/.)
-- [(2) How to Use APT Command in Linux [15 Useful Examples] - UbuntuMint.](https://www.ubuntumint.com/apt-commands/.)
-- [(3) Package Management Essentials: apt, yum, dnf, pkg.](https://www.digitalocean.com/community/tutorials/package-management-basics-apt-yum-dnf-pkg.)

08 - Advanced Linux Administration/Disk Management and Partitions.md

@@ -50,7 +50,7 @@ Linux follows a standardized directory structure:
 - /etc: System configuration files
 - /var: Variable data (logs, temporary files)
 - /boot: Boot loader files
-- /mnt and /media: Mount points for removable devices
+- /mnt and /run/media: Mount points for removable devices
 
 ## 5. Common Disk Management Tools
 
@@ -60,8 +60,8 @@ Linux provides several tools for disk management:
 - fdisk: Partition table manipulator
 - parted: Versatile partition tool
 - lsblk: List block devices
-- df: Report file system disk space usage
+- df: Report "disk free" in bytes. add "-h" option for human readable
-- du: Estimate file space usage
+- du: Estimate file space usage for current directory.  Add "-h" option for human readable file sizes.
 
 ### b. Graphical tools:
 - GParted: GNOME Partition Editor
@@ -72,6 +72,8 @@ Linux provides several tools for disk management:
 ### a. Viewing disk information:
 ```
 lsblk
+```
+```
 fdisk -l
 ```
 
@@ -79,7 +81,7 @@ fdisk -l
 ```
 sudo fdisk /dev/sdX
 ```
-(Replace X with the appropriate letter)
+(Replace X with the appropriate letter).  Follow prompts inside fdisk to create new blank partition.
 
 ### c. Formatting a partition:
 ```
@@ -109,7 +111,7 @@ LVM allows for more flexible disk management, including:
 - Creating snapshots
 
 ### c. RAID (Redundant Array of Independent Disks):
-Linux supports software RAID for improved performance and data redundancy.
+Linux supports software RAID for improved performance and data redundancy in hardware and software formats.
 
 ### d. Encrypting partitions:
 Use LUKS (Linux Unified Key Setup) for full-disk encryption.
@@ -127,10 +129,3 @@ d. Monitor disk health: Use tools like smartctl to check for potential drive fai
 e. Keep your system updated: Regular updates can improve disk management tools and fix bugs.
 
 f. Be cautious with root privileges: Disk management often requires root access, so be careful to avoid accidental data loss.
-
-
-- [(1) How to Install GParted on Linux Mint 21 - Linux Genie.](https://linuxgenie.net/how-to-install-gparted-on-linux-mint-21/.)
-- [(2) Linux Mint View & Manage System Partitions: A Comprehensive Guide.](https://bytebitebit.com/tips-tricks/linux-mint-view-manage-system-partitions/.)
-- [(3) Linux Mint View Manage System Partitions: A Comprehensive Guide.](https://www.positioniseverything.net/linux-mint-view-manage-system-partitions/.)
-- [(4) Mastering Linux Disk Management: LVM and Disk Partitioning.](https://www.linuxjournal.com/content/mastering-linux-disk-management-lvm-and-disk-partitioning.)
-- [(5) How to Use Fdisk to Manage Partitions on Linux - How-To Geek.](https://www.howtogeek.com/106873/how-to-use-fdisk-to-manage-partitions-on-linux/.)

08 - Advanced Linux Administration/Networking File System.md

@@ -1,39 +0,0 @@
-## Let's discuss **NTFS (New Technology File System)** and how to work with it in **Linux Mint**.
-
-1. **Mounting NTFS Partitions**:
-   - NTFS is the default file system for Windows systems, but we can also mount NTFS partitions in Linux to read and write data.
-   - To mount an NTFS partition, follow these steps:
-     - First, create a mount point using the `mkdir` command:
-       ``` 
-       sudo mkdir /mnt/ntfs
-       ```
-     - Next, use the `mount` command to mount the partition you want (e.g., `/dev/sdb2`):
-       ```
-       sudo mount -t ntfs-3g /dev/sdb2 /mnt/ntfs
-       ```
-     - To check if the partition is mounted, run:
-       ```
-       df -hT
-       ```
-     - Now you have read/write permissions for the NTFS partition you mounted¹².
-
-2. **Changing File Permissions on NTFS Partitions**:
-   - To apply Linux-compatible file permissions to an NTFS drive, modify the `/etc/fstab` file.
-   - Add the following line to `/etc/fstab`:
-     ```
-     /dev/sdb /mnt/ntfs ntfs uid=1000,gid=1000,dmask=022,fmask=133 0 0
-     ```
-     This line specifies that the `/dev/sdb` partition should be mounted as NTFS in the `/mnt/ntfs` directory.
-   - Remount the partition or reboot for the changes to take effect².
-
-Feel free to explore further or ask if you need additional assistance! 😊🚀
-
-Source: Conversation with Copilot, 7/12/2024
-- [(1) How to Mount NTFS Partition in Linux - phoenixNAP.](https://phoenixnap.com/kb/mount-ntfs-linux.)
-- [(2) Changing File Permissions on NTFS Partitions in Linux.](https://linuxconfig.org/changing-file-permissions-on-ntfs-partitions-in-linux.)
-- [(3) How to Mount and Access Windows NTFS Drives in Linux - MUO.](https://www.makeuseof.com/mount-ntfs-windows-drives-in-linux/.)
-- [(4) How to Mount an NTFS Partition - Linux Nightly.](https://linuxnightly.com/mount-ntfs-partition/.)
-- [(5) Linux mount ntfs or Access NTFS partition from Linux - nixCraft.](https://www.cyberciti.biz/faq/linux-mount-ntfs-or-access-ntfs-partition-from-linux/.)
-- [(6) How to mount NTFS partitions using Linux commands.](https://www.computerworld.com/article/1637061/how-to-mount-ntfs-partitions-using-linux-commands.html.)
-- [(7) NTFS Disk mounting in mint - Unix & Linux Stack Exchange.](https://unix.stackexchange.com/questions/358229/ntfs-disk-mounting-in-mint.)
-- [(8) How to Mount NFS in Linux: A Step-by-Step Guide - Byte Bite Bit.](https://bytebitebit.com/operating-system/linux/how-to-mount-nfs-in-linux/.)

08 - Advanced Linux Administration/RAID and LVM.md

@@ -143,11 +143,3 @@ This setup provides the redundancy of RAID 5 with the flexibility of LVM.
 - Display PV info: `sudo pvdisplay`
 - Display VG info: `sudo vgdisplay`
 - Display LV info: `sudo lvdisplay`
-
-Remember, LVM provides flexibility, scalability, and ease of maintenance, while RAID enhances performance and data protection! 😊🚀
-
-Source: Conversation with Copilot, 7/12/2024
-- [(1) Complete Beginner's Guide to LVM in Linux [With Hands-on].](https://linuxhandbook.com/lvm-guide/.)
-- [(2) Linux Storage Management: LVM and RAID.](https://linuxhall.org/linux-storage-management-lvm-and-raid/.)
-- [(3) raid - RAIDing with LVM vs MDRAID - Unix & Linux Stack Exchange.](https://unix.stackexchange.com/questions/150644/raiding-with-lvm-vs-mdraid-pros-and-cons.)
-- [(4) What is better LVM on RAID or RAID on LVM? - Server Fault.](https://serverfault.com/questions/217666/what-is-better-lvm-on-raid-or-raid-on-lvm.)

08 - Advanced Linux Administration/System Log Management (SystemD).md

@@ -7,129 +7,94 @@ journalctl is a command-line utility for querying and displaying logs from the s
 ## 2. Basic Usage
 
 ### To view all logs:
-```
+`journalctl`
-journalctl
-```
 
 ### To follow new log entries in real-time:
-```
+`journalctl -f`
-journalctl -f
-```
 
 ## 3. Filtering Logs
 
 ### By time:
-```
+`journalctl --since "2024-01-01 00:00:00"`
-journalctl --since "2024-01-01 00:00:00"
+
-journalctl --until "2024-01-31 23:59:59"
+`journalctl --until "2024-01-31 23:59:59"`
-journalctl --since "1 hour ago"
+
-```
+`journalctl --since "1 hour ago"`
+
 
 ### By service unit:
-```
+`journalctl -u nginx.service`
-journalctl -u nginx.service
+
-journalctl -u ssh.service
+`journalctl -u ssh.service`
-```
+
 
 ### By priority level:
-```
+`journalctl -p err`
-journalctl -p err
-```
 Priority levels: emerg, alert, crit, err, warning, notice, info, debug
 
 ### By kernel messages:
-```
+`journalctl -k`
-journalctl -k
-```
 
 ## 4. Output Formatting
 
 ### JSON output:
-```
+`journalctl -o json`
-journalctl -o json
-```
 
 ### Short output format:
-```
+`journalctl -o short`
-journalctl -o short
-```
 
 ### Verbose output:
-```
+`journalctl -o verbose`
-journalctl -o verbose
-```
 
 ## 5. Boot-specific Logs
 
 ### Current boot:
-```
+`journalctl -b`
-journalctl -b
-```
 
 ### Previous boot:
-```
+`journalctl -b -1`
-journalctl -b -1
-```
 
 ## 6. User-specific Logs
 
-```
+`journalctl _UID=1000`
-journalctl _UID=1000
-```
 
 ## 7. Disk Usage and Log Rotation
 
 ### View disk usage:
-```
+`journalctl --disk-usage`
-journalctl --disk-usage
-```
 
 ### Rotate logs:
-```
+`journalctl --rotate`
-journalctl --rotate
-```
 
 ### Vacuum old logs:
-```
+`journalctl --vacuum-time=1week`
-journalctl --vacuum-time=1week
+
-journalctl --vacuum-size=1G
+`journalctl --vacuum-size=1G`
-```
+
 
 ## 8. Remote Journal Access
 
 To access logs on a remote system:
-```
+`journalctl -D /path/to/journal/directory`
-journalctl -D /path/to/journal/directory
-```
 
 ## 9. Persistent Journal Storage
 
 ### Edit /etc/systemd/journald.conf:
-```
+`Storage=persistent`
-Storage=persistent
-```
 
 ### Restart journald:
-```
+`sudo systemctl restart systemd-journald`
-sudo systemctl restart systemd-journald
-```
 
 ## 10. Forwarding Logs to a Central Server
 
 ### Install rsyslog:
-```
+`sudo apt install rsyslog`
-sudo apt install rsyslog
-```
 
 ### Configure /etc/rsyslog.conf for forwarding:
-```
+`*.* @@central-log-server:514`
-*.* @@central-log-server:514
-```
 
 ### Restart rsyslog:
-```
+`sudo systemctl restart rsyslog`
-sudo systemctl restart rsyslog
-```
 
 ## 11. Security Considerations
 

08 - Advanced Linux Administration/User and Password Security

@@ -36,12 +36,3 @@
    - Regularly back up important files to an external location.
    - Use tools like **rsync**, **Deja Dup**, or cloud storage services¹.
 
-Remember, a combination of these practices helps maintain a secure Linux Mint environment. Feel free to explore further or ask if you need additional guidance! 😊🔒🚀
-
-Source: Conversation with Copilot, 7/12/2024
-- [(1) 10 practical tips for securing your Linux Mint system - FOSS Linux.](https://www.fosslinux.com/103872/secure-your-linux-mint-system.htm.)
-- [(2) How to reset a forgotten password for any user under Linux Mint 21 ....](https://www.thinkpenguin.com/gnu-linux/how-reset-forgotten-password-any-user-under-linux-mint-21.)
-- [(3) Linux Mint 20 [Essential Security Guide: Tools & Tweaks].](https://www.securitybind.com/secure-linux-mint/.)
-- [(4) How to Configure Linux Mint Login Window: A Step-by-Step Guide.](https://bytebitebit.com/tips-tricks/how-to-configure-linux-mint-login-window/.)
-- [(5) Changes to password policies – The Linux Mint Blog.](https://blog.linuxmint.com/?p=3013.)
-- [(6) en.wikipedia.org.](https://en.wikipedia.org/wiki/Linux_Mint.)

09 - Linux Security Concepts/Filesystem Security (eCryptFS).md

@@ -17,18 +17,14 @@ Key features:
 
 On most Linux distributions, eCryptfs can be installed using the package manager:
 
-```bash
+For Ubuntu/Debian:
-# For Ubuntu/Debian:
+`sudo apt-get install ecryptfs-utils`
-sudo apt-get install ecryptfs-utils
+
-```
+For Fedora:
-```bash
+`sudo dnf install ecryptfs-utils`
-# For Fedora:
+
-sudo dnf install ecryptfs-utils
+For Arch Linux:
-```
+`sudo pacman -S ecryptfs-utils`
-```bash
-# For Arch Linux:
-sudo pacman -S ecryptfs-utils
-```
 
 ## 3. Setting up eCryptfs
 
@@ -66,15 +62,11 @@ mount -t ecryptfs ~/encrypted ~/encrypted
 
 ### - Unmounting:
 
-```bash
+`umount ~/encrypted`
-umount ~/encrypted
-```
 
 ### - Checking mount status:
 
-```bash
+`mount | grep ecryptfs`
-mount | grep ecryptfs
-```
 
 ## 5. Key Management
 
@@ -82,15 +74,11 @@ eCryptfs uses a passphrase to derive the encryption key. This passphrase is stor
 
 ### - Adding a key to the keyring:
 
-```bash
+`ecryptfs-add-passphrase`
-ecryptfs-add-passphrase
-```
 
 ### - Removing a key from the keyring:
 
-```bash
+`keyctl purge user ecryptfs`
-keyctl purge user ecryptfs
-```
 
 ## 6. Advanced Features
 
@@ -98,15 +86,11 @@ keyctl purge user ecryptfs
 
 Create a file containing your mount options:
 
-```bash
+`echo "passphrase_passwd=your_passphrase" > ~/.ecryptfsrc`
-echo "passphrase_passwd=your_passphrase" > ~/.ecryptfsrc
-```
 
 Then mount using:
 
-```bash
+`mount -t ecryptfs -o conf=~/.ecryptfsrc ~/encrypted ~/encrypted`
-mount -t ecryptfs -o conf=~/.ecryptfsrc ~/encrypted ~/encrypted
-```
 
 ### - Using different encryption for different directories:
 
@@ -125,15 +109,11 @@ You can mount multiple eCryptfs directories with different encryption settings b
 
 If you can't mount the filesystem, check if the required kernel modules are loaded:
 
-```bash
+`lsmod | grep ecryptfs`
-lsmod | grep ecryptfs
-```
 
 If not present, load them:
 
-```bash
+`sudo modprobe ecryptfs`
-sudo modprobe ecryptfs
-```
 
 ## !!!If you forget your passphrase, there's no way to recover the data. Always keep secure backups!!!
 

09 - Linux Security Concepts/Network Security (OpenSSL).md

@@ -16,36 +16,28 @@ OpenSSL is a robust, full-featured open-source toolkit that implements the Secur
 OpenSSL is available for various operating systems. Here are basic installation instructions:
 
 - Linux: Most distributions come with OpenSSL pre-installed. If not, use package managers:
-  ```bash
+  `sudo apt-get install openssl libssl-dev  # For Debian/Ubuntu`
-  sudo apt-get install openssl libssl-dev  # For Debian/Ubuntu
+
-  ```
+  `sudo yum install openssl openssl-devel   # For CentOS/RHEL`
-  ```bash
-  sudo yum install openssl openssl-devel   # For CentOS/RHEL
-  ```
 
 - macOS: Use Homebrew:
-  ```
+  `brew install openssl`
-  brew install openssl
-  ```
 
 - Windows: Download the installer from the official OpenSSL website.
 
 ## 4. Basic OpenSSL Commands
 
 - Generate a private key:
-  ```bash
+
-  openssl genrsa -out private.key 2048
+  `openssl genrsa -out private.key 2048`
-  ```
 
 - Create a Certificate Signing Request (CSR):
-  ```bash
+
-  openssl req -new -key private.key -out certificate.csr
+  `openssl req -new -key private.key -out certificate.csr`
-  ```
 
 - Generate a self-signed certificate:
-  ```bash
+
-  openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
+  `openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365`
-  ```
 
 ## 5. Implementing SSL/TLS in Network Applications
 

09 - Linux Security Concepts/Security Tools (Fail2Ban, AIDE).md

@@ -11,10 +11,7 @@ Fail2Ban is an intrusion prevention software framework that protects Linux syste
 - Updates firewall rules to block banned IPs
 
 ### Installation:
-```bash
+`sudo apt-get update && sudo apt-get install fail2ban`
-sudo apt-get update
-sudo apt-get install fail2ban
-```
 
 ### Configuration:
 - Main configuration file: `/etc/fail2ban/jail.conf`
@@ -56,10 +53,7 @@ AIDE is a file and directory integrity checker that detects unauthorized changes
 - Reports any discrepancies, indicating potential security breaches
 
 ### Installation:
-```bash
+`sudo apt-get update && sudo apt-get install aide`
-sudo apt-get update
-sudo apt-get install aide
-```
 
 ### Configuration:
 - Main configuration file: /etc/aide/aide.conf

09 - Linux Security Concepts/Understanding SELinux.md

@@ -18,17 +18,13 @@ SELinux operates in three modes:
 - Disabled: SELinux is turned off
 
 To check the current mode:
-```
+`getenforce`
-getenforce
-```
 
 To change modes temporarily:
-```bash
+
-setenforce 0 # Set to permissive
+`setenforce 0` # Set to permissive
-```
+
-```bash
+`setenforce 1` # Set to enforcing
-setenforce 1 # Set to enforcing
-```
 
 To change modes permanently, edit /etc/selinux/config and reboot.
 
@@ -43,10 +39,11 @@ system_u:object_r:httpd_sys_content_t:s0
 ```
 
 To view contexts:
-```
+
-ls -Z # For files
+`ls -Z` # For files
-ps auxZ # For processes
+
-```
+`ps auxZ` # For processes
+
 
 ## 4. SELinux Policies
 
@@ -59,84 +56,56 @@ SELinux uses policies to define allowed actions. Two main policy types:
 Booleans are on/off switches that allow runtime customization of SELinux policies.
 
 To list all booleans:
-```
+`getsebool -a`
-getsebool -a
-```
 
 To change a boolean:
-```bash
+`setsebool httpd_can_network_connect on`
-setsebool httpd_can_network_connect on
-```
 
 To make the change persistent:
-```bash
+`setsebool -P httpd_can_network_connect on`
-setsebool -P httpd_can_network_connect on
-```
 
 ## 6. Troubleshooting SELinux
 
 - Check for denials:
-```
+`ausearch -m AVC,USER_AVC,SELINUX_ERR -ts recent`
-ausearch -m AVC,USER_AVC,SELINUX_ERR -ts recent
-```
 
 - Use SELinux troubleshooter:
-```
+`sealert -a /var/log/audit/audit.log`
-sealert -a /var/log/audit/audit.log
-```
 
 - Analyze SELinux logs:
-```
+`grep "SELinux" /var/log/messages`
-grep "SELinux" /var/log/messages
-```
 
 ## 7. File and Directory Labeling
 
 To change the SELinux context of a file or directory:
-```
+`chcon -t httpd_sys_content_t /path/to/file`
-chcon -t httpd_sys_content_t /path/to/file
-```
 
 To restore the default context:
-```
+`restorecon -v /path/to/file`
-restorecon -v /path/to/file
-```
 
 ## 8. Managing SELinux Modules
 
 List available modules:
-```
+`semodule -l`
-semodule -l
-```
 
 Enable a module:
-```
+`semodule -e modulename`
-semodule -e modulename
-```
 
 Disable a module:
-```
+`semodule -d modulename`
-semodule -d modulename
-```
 
 ## 9. Creating Custom SELinux Policies
 
 For complex environments, you may need to create custom policies:
 
 - Install policy development tools:
-```
+`yum install selinux-policy-devel`
-yum install selinux-policy-devel
-```
 
 - Write a policy module (.te file)
 - Compile and package the module:
-```
+`make -f /usr/share/selinux/devel/Makefile`
-make -f /usr/share/selinux/devel/Makefile
-```
 - Install the module:
-```
+`semodule -i mymodule.pp`
-semodule -i mymodule.pp
-```
 
 ## 10. SELinux and Containers
 
@@ -145,9 +114,7 @@ SELinux provides strong isolation for containers:
 - Prevents container processes from accessing host resources
 
 To run a container with a specific SELinux context:
-```
+`docker run --security-opt label=type:svirt_lxc_net_t my_image`
-docker run --security-opt label=type:svirt_lxc_net_t my_image
-```
 
 ## 11. Best Practices
 

10 - Containers and Vitrualization/Container Orchestration (Kubernetes, Docker Swarm).md

@@ -113,34 +113,22 @@ Basic steps:
 1. Install kubectl (Kubernetes command-line tool)
 2. Set up a Kubernetes cluster (e.g., using Minikube for local development)
 3. Deploy an application:
-   ```
+   `kubectl create deployment my-app --image=my-app-image`
-   kubectl create deployment my-app --image=my-app-image
-   ```
 4. Expose the deployment:
-   ```
+   `kubectl expose deployment my-app --type=LoadBalancer --port=8080`
-   kubectl expose deployment my-app --type=LoadBalancer --port=8080
-   ```
 5. Scale the deployment:
-   ```
+   `kubectl scale deployment my-app --replicas=3`
-   kubectl scale deployment my-app --replicas=3
-   ```
 
 ## 6. Setting Up and Using Docker Swarm
 
 Basic steps:
 1. Initialize a swarm:
-   ```
+   `docker swarm init`
-   docker swarm init
-   ```
 2. Join worker nodes to the swarm
 3. Deploy a service:
-   ```
+   `docker service create --name my-service my-image`
-   docker service create --name my-service my-image
-   ```
 4. Scale the service:
-   ```
+   `docker service scale my-service=3`
-   docker service scale my-service=3
-   ```
 
 ## 7. Best Practices for Container Orchestration
 

10 - Containers and Vitrualization/Kernel Virtualization (KVM).md

@@ -30,9 +30,7 @@ c) QEMU for hardware emulation.
 
 On most Linux distributions, you can install KVM using the package manager:
 
-```bash
+`sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils`
-sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils
-```
 
 ## 6. Creating and Managing VMs
 

10 - Containers and Vitrualization/Linux Containers LXC.md

@@ -13,17 +13,12 @@ LXC uses Linux kernel features such as cgroups, namespaces, and chroot to create
 ## 3. Installation
 To install LXC on most Linux distributions:
 
-```
+`sudo apt-get update && sudo apt-get install lxc lxc-templates`
-sudo apt-get update
-sudo apt-get install lxc lxc-templates
-```
 
 ## 4. Creating containers
 To create a new container:
 
-```
+`sudo lxc-create -n mycontainer -t download -- -d ubuntu -r focal -a amd64`
-sudo lxc-create -n mycontainer -t download -- -d ubuntu -r focal -a amd64
-```
 
 This creates a container named "mycontainer" using the Ubuntu Focal (20.04) template for amd64 architecture.
 

10 - Containers and Vitrualization/Working With Dockerfiles and Images.md

@@ -37,40 +37,28 @@ CMD ["python", "app.py"]
 
 To build an image from a Dockerfile:
 
-```
+`docker build -t myapp:v1 .`
-docker build -t myapp:v1 .
-```
 
 This command builds an image named "myapp" with the tag "v1" using the Dockerfile in the current directory.
 
 ## 4. Managing Docker Images
 
 List images:
-```
+`docker images`
-docker images
-```
 
 Remove an image:
-```
+`docker rmi myapp:v1`
-docker rmi myapp:v1
-```
 
 Tag an image:
-```
+`docker tag myapp:v1 myapp:latest`
-docker tag myapp:v1 myapp:latest
-```
 
 ## 5. Pushing and Pulling Images
 
 Push an image to a registry:
-```
+`docker push username/myapp:v1`
-docker push username/myapp:v1
-```
 
 Pull an image from a registry:
-```
+`docker pull username/myapp:v1`
-docker pull username/myapp:v1
-```
 
 ## 6. Multi-stage Builds
 
@@ -101,14 +89,10 @@ CMD ["myapp"]
 ## 8. Docker Image Inspection
 
 Inspect image details:
-```
+`docker inspect myapp:v1`
-docker inspect myapp:v1
-```
 
 View image history:
-```
+`docker history myapp:v1`
-docker history myapp:v1
-```
 
 ## 9. Optimizing Docker Images
 
@@ -125,17 +109,13 @@ docker history myapp:v1
 - Azure Container Registry (ACR)
 
 To use a private registry, log in first:
-```
+`docker login myregistry.azurecr.io`
-docker login myregistry.azurecr.io
-```
 
 ##  11. Image Scanning and Security
 
 Use tools like Docker Scan, Clair, or Trivy to scan images for vulnerabilities:
 
-```
+`docker scan myapp:v1`
-docker scan myapp:v1
-```
 
 ## 12. Docker Image Versioning
 
@@ -150,9 +130,6 @@ Always tag your images with a specific version and avoid using only the "latest"
 
 Use tools like Hadolint to check your Dockerfile for best practices and potential issues:
 
-```
+`hadolint Dockerfile`
-hadolint Dockerfile
-```
 
 This guide covers the essentials of working with Dockerfiles and images. As you become more comfortable with these concepts, you can explore advanced topics like Docker Compose for multi-container applications and Docker Swarm or Kubernetes for container orchestration.
-

code-of-conduct.md

@@ -68,7 +68,7 @@ members of the project's leadership.
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant Home](hhttps://www.contributor-covenant.org/), version 1.4,
+This Code of Conduct is adapted from the [Contributor Covenant Home](https://www.contributor-covenant.org/), version 1.4,
 available at [Code of Conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/)
 
 For answers to common questions about this code of conduct, see