OS Lab 10 - Containers and Docker - Revizia istoricului

Vserbu: /* Part 3: Test Persistence */

2025-12-16T16:32:09Z

Part 3: Test Persistence

Vserbu: /* Exercise A: Installing Docker */

2025-12-16T16:05:50Z

Exercise A: Installing Docker

Vserbu: Pagină nouă: == Objectives == Upon completion of this lab, you will be able to: * Explain how containers use Linux kernel namespaces (PID, mount, network, UTS, I...

2025-12-12T14:52:44Z

Pagină nouă: <span id="objectives"></span> == Objectives == Upon completion of this lab, you will be able to: * Explain how containers use Linux kernel namespaces (PID, mount, network, UTS, I...

Afișare diferențe

@@ Linia 2.106: / Linia 2.106: @@
 '''Step 12: Create a new file from inside the container'''
-<syntaxhighlight lang="bash">docker exec caddy-persistent bash -c "echo '<h2>Created from container</h2>' > /usr/share/caddy/test.html"</syntaxhighlight>
+<syntaxhighlight lang="bash">docker exec caddy-persistent /bin/sh -c "echo '<h2>Created from container</h2>' > /usr/share/caddy/test.html"</syntaxhighlight>
 '''Step 13: Verify the file appears on the host'''
@@ Linia 2.156: / Linia 2.156: @@
 # Create file inside container
-docker exec caddy-temp bash -c "echo 'temporary' > /tmp/temp.txt"
+docker exec caddy-temp /bin/sh -c "echo 'temporary' > /tmp/temp.txt"
 # Verify file exists
@@ Linia 2.181: / Linia 2.181: @@
 mount --bind ~/lab10-caddy/site /var/lib/docker/overlay2/.../merged/usr/share/caddy</syntaxhighlight>
 <span id="deliverable-d"></span>
 === Deliverable D ===

@@ Linia 1.317: / Linia 1.317: @@
 Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
 Components: stable
-Signed-By: /etc/apt/keyrings/docker.asc
+Signed-By: /etc/apt/keyrings/docker.gpg
 EOF</syntaxhighlight>
 '''What this does:'''
@@ Linia 1.446: / Linia 1.446: @@
 <span id="exercise-b-hello-world-and-namespace-inspection"></span>
 === Exercise B: Hello World and Namespace Inspection ===