How to fix yum errors on Cent. OS, RHEL or Fedora. On Red Hat based systems such as RHEL, Cent. OS or Fedora, yum is used as a package management tool for installing, updating and removing RPM packages. Ham Radio Software on Centos Linux Configuring multitudes of Amateur HAM Radio software for Centos6 Centos5 Linux. Linux Information Portal YoLinux. Linux sites. Covers Linux topics from desktop to servers and from developers to. When you try to install a package with yum command, you may encounter errors for various reasons. In this post, I will describe several common error symptoms for the yum command, and explain how to fix yum errors. In this chapter, well install a singlenode Hadoop cluster backed by the Hadoop Distributed File System on Ubuntu. The command we use to connect to remote. CentOS 5. 0. 1. Vsftpd rootKcentOS5 yum install vsftpd Dependencies Resolved. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get. Fix 4. 04 Errors. Symptom When you try to install a package with yum, yum throws an error The requested URL returned error 4. Not Found. Loaded plugins fastestmirror. B 0. 0 0. 0. baseprimarydb 4. MB 0. 0 0. 9. extras 3. B 0. 0 0. 0. http mirror. Errno 1. 4 PYCURL ERROR 2. Idm 6 09 Build 2 Key Lockbox. The requested URL returned error 4. Trying other mirror. Errno 1. 4 PYCURL ERROR 2. The requested URL returned error 4. Trying other mirror. You can get these 4. To repair yum 4. 04 errors, clean yum metadata as follows. Or you can clear the whole yum cache. Fix Connection Failure Errors. Symptom You get network is unreachable or couldnt connect to host errors while running yum command. Loaded plugins fastestmirror, presto. Install Berkeley Db On Centos 7' title='Install Berkeley Db On Centos 7' />Loading mirror speeds from cached hostfile. Could not retrieve mirrorlist. PYCURL ERROR 7 Failed to connect to. Network is unreachable. Error Cannot find a valid baseurl for repo base. Cent. OS6. 4osx. Errno 1. PYCURL ERROR 7 couldnt connect to host. Install Berkeley Db On Centos 7 InstallationTrying other mirror. Errno 1. 4 PYCURL ERROR 7 couldnt connect to host. Trying other mirror. Errno 1. 4 PYCURL ERROR 7 couldnt connect to host. Trying other mirror. The error means that you cannot properly connect to repository servers for some reason. If you can still ping the servers without any problem, check if your system is behind a proxy. If you are running yum behind a proxy, but have not specified the proxy in the yum configuration, you will get connection failure errors like the above. To configure a proxy in the yum configuration. Fix Metadata Checksum Errors. Symptom You get Metadata file does not match checksum while running yum command. B 0. 0 1. 4. http mirror. Errno 1 Metadata file does not match checksum. Trying other mirror. You can get the metadata checksum errors when the metadata downloaded by yum has become outdated. To repair yum checksum errors, clean yum metadata. Fix Yum Lock Errors. Symptom When you attempt to install a package with yum, you get an error saying that Another app is currently holding the yum lock. Loaded plugins langpacks, presto, refresh packagekit. Existing lock varrunyum. Another app is currently holding the yum lock waiting for it to exit. The other application is Package. Kit. Memory 1. 78 M RSS 5. MB VSZ. Started Tue Jul 9 0. State Sleeping, pid 1. The culprit for this error is Package. Kit which is responsible for auto updates on Red Hat based systems. The Package. Kit process gets automatically started upon boot, holding the yum lock. To fix the error, turn off Package. Kit on your system, so that it wont perform auto update checks. Here is an instruction for disabling Package. Kit. Once you reboot your desktop, you will no longer get yum lock errors. Fix Repository Database Read Errors. Symptom When you install a package with yum, you get the errors saying that compressed file ended before the logical end of stream was detected. Loaded plugins langpacks, refresh packagekit. Error Error reading from file varcacheyumx. This error can happen when yum command has been interrupted while it was downloading a repository database. So the saved database is incomplete, and considered corrupted. To solve this problem, clean up yum database by running. Fix Repository Metadata Read Errors. Symptom When you install or search for any package with yum, you get the following errors. Error Cannot find a valid baseurl for repo updates. This error can happen due to yum metadata issues. To fix this problem, clean up yum data including metadata and local cache. Fix Packages Database Error. Symptom You are getting cannot open Packages database in varlibrpm error while running the yum command. BDB0. 11. 3 Threadprocess 6. BDB1. 50. 7 Thread died in Berkeley DB library. BDB0. 08. 7 DBRUNRECOVERY Fatal error, run database recovery. Packages index using db. Packages database in varlibrpm. CRITICAL yum. main. This problem can happen when the local RPM database got corrupted or missing for some reason. Here is how to recreate the RPM database to fix this error. Packages sudo rpm rebuilddb sudo yum clean all. The hackers manual 2. Gerson Villa Gonzalez. The hackers manual 2. Published on Sep 1. The hackers manual 2.