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--- howto:how_to_fix_yum_basic_auth_behind_a_proxy [2015/03/24 21:27] – smark
+++ howto:how_to_fix_yum_basic_auth_behind_a_proxy [2015/03/24 21:32] – smark
@@ Line 1: / Line 1: @@
 ====== How To Fix Yum Basic HTTP Authentication Behind a Proxy ======
-====== Problem ======
+===== Problem =====
 When configuring a yum proxy via /etc/yum.conf a "yum check-update" fails on the rhel6-some-repo-x.y repository with:
 	[root@myhost yum.repos.d]# yum check-update
@@ Line 10: / Line 10: @@
 	Error: Cannot retrieve repository metadata (repomd.xml) for repository: rhel6-some-repo-x.y. Please verify its path and try again
-====== Additional Information ======
+===== Additional Information =====
 The customer used a cloud-based proxy service (ZScaler) but has NOT implemented proxy authentication. The proxy is configured correctly in /etc/yum.conf
-====== Troubleshooting ======
+===== Troubleshooting =====
 A packet capture indicated the following HTTP header when requesting the repository information:
 	GET http://REDACTED:REDACTED@yum.whatever.com/yum/base/repodata/repomd.xml HTTP/1.1
@@ Line 59: / Line 59: @@
 This problem currently exists in RHEL 6.6 but may be resolved in a future version. It likely exists on any system with the python-urlgrabber-3.9.1-9 package.
-====== Resolution ======
+===== Resolution =====
-Modify /etc/yum.repos.d/rhel6-some-repo-x.y.repo to conform to yum's recommended standard of baseurl/username/password for both contained repositories.
-Apply the patch as documented in the NEXUS URL.
+  - Modify /etc/yum.repos.d/rhel6-some-repo-x.y.repo to conform to yum's recommended standard of baseurl/username/password for both contained repositories.
-	Copy the file urlgrabber.patch to the /root/ directory.
-	Back up the existing grabber.py file:
+  - Apply the patch as documented in the NEXUS URL:
-		cp /usr/lib/python2.6/site-packages/urlgrabber/grabber.py /root/urlgrabber_backup/head_node/grabber.py
-	Patch the file:
+  - Copy the file {{:howto:urlgrabber.patch|}} to the /root/ directory.
-		patch /usr/lib/python2.6/site-packages/urlgrabber/grabber.py < /root/urlgrabber.patch
-	Each command should return an output similar to below:
+  - Back up the existing grabber.py file:
-		patching file /usr/lib/python2.6/site-packages/urlgrabber/grabber.py
-		Hunk #2 succeeded at 426 (offset -5 lines).
+	cp /usr/lib/python2.6/site-packages/urlgrabber/grabber.py /root/urlgrabber_backup/head_node/grabber.py
-		Hunk #3 succeeded at 828 (offset -6 lines).
-		Hunk #4 succeeded at 1253 (offset -9 lines).
+  - Patch the file:
-		Hunk #5 succeeded at 1349 (offset -9 lines).
-Re-run the "yum check-update" command. It should complete successfully.
+	patch /usr/lib/python2.6/site-packages/urlgrabber/grabber.py < /root/urlgrabber.patch
+  - Each command should return an output similar to below:
+	patching file /usr/lib/python2.6/site-packages/urlgrabber/grabber.py
+	Hunk #2 succeeded at 426 (offset -5 lines).
+	Hunk #3 succeeded at 828 (offset -6 lines).
+	Hunk #4 succeeded at 1253 (offset -9 lines).
+	Hunk #5 succeeded at 1349 (offset -9 lines).
+  - Re-run the "yum check-update" command. It should complete successfully.