2

No matter what package I am try to install, Yum returns a [Errno 5] [Errno 2] No such file or directory error for each package/dependency.

Here is some sample output:

# yum -y install vim
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.ocf.berkeley.edu
 * extras: mirror.tocici.com
 * updates: mirror.sesp.northwestern.edu
Resolving Dependencies
--> Running transaction check
---> Package vim-enhanced.x86_64 2:7.4.160-1.el7_3.1 will be installed
--> Processing Dependency: vim-common = 2:7.4.160-1.el7_3.1 for package: 2:vim-enhanced-7.4.160-1.el7_3.1.x86_64
--> Processing Dependency: libgpm.so.2()(64bit) for package: 2:vim-enhanced-7.4.160-1.el7_3.1.x86_64
--> Running transaction check
---> Package gpm-libs.x86_64 0:1.20.7-5.el7 will be installed
---> Package vim-common.x86_64 2:7.4.160-1.el7_3.1 will be installed
--> Processing Dependency: vim-filesystem for package: 2:vim-common-7.4.160-1.el7_3.1.x86_64
--> Running transaction check
---> Package vim-filesystem.x86_64 2:7.4.160-1.el7_3.1 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================================================================================================================================================================
 Package                                                     Arch                                                Version                                                           Repository                                            Size
==============================================================================================================================================================================================================================================
Installing:
 vim-enhanced                                                x86_64                                              2:7.4.160-1.el7_3.1                                               updates                                              1.0 M
Installing for dependencies:
 gpm-libs                                                    x86_64                                              1.20.7-5.el7                                                      base                                                  32 k
 vim-common                                                  x86_64                                              2:7.4.160-1.el7_3.1                                               updates                                              5.9 M
 vim-filesystem                                              x86_64                                              2:7.4.160-1.el7_3.1                                               updates                                              9.7 k

Transaction Summary
==============================================================================================================================================================================================================================================
Install  1 Package (+3 Dependent packages)

Total download size: 7.0 M
Installed size: 23 M
Downloading packages:


Error downloading packages:
  gpm-libs-1.20.7-5.el7.x86_64: [Errno 5] [Errno 2] No such file or directory
  2:vim-filesystem-7.4.160-1.el7_3.1.x86_64: [Errno 5] [Errno 2] No such file or directory
  2:vim-enhanced-7.4.160-1.el7_3.1.x86_64: [Errno 5] [Errno 2] No such file or directory
  2:vim-common-7.4.160-1.el7_3.1.x86_64: [Errno 5] [Errno 2] No such file or directory

it looks like it's able to connect to the repository and sees the packages/dependencies needed, but it when it goes to download it fails. I don't know much about managing repos and yum, but this looks like it could be an issue on the local machine?

Distro is CentOS Linux release 7.2.1511 (Core) on AWS.

6
  • What does strace -o lotsalogs -ff -e trace=file yum -y install vim show happening?
    – thrig
    Mar 31 '17 at 14:19
  • Try yum clean all and then yum install... again.
    – Thomas
    Mar 31 '17 at 14:22
  • @Thomas yum clean all did not resolve the issue unfortunately.
    – Chip Shadd
    Mar 31 '17 at 14:33
  • @thrig Thanks for that strace command, I'm seeing some issues with finding the python modules. I was monkeying around with different python installations earlier so this is probably some residual impact from that.
    – Chip Shadd
    Mar 31 '17 at 14:35
  • Yeah you might not want to mess around with the vendor space like that. Use a virtualenv or software depot outside of the vendor space...
    – thrig
    Mar 31 '17 at 15:54
1

You should be fine with

ln -s /usr/libexec/urlgrabber-ext-down-2.7 /usr/libexec/urlgrabber-ext-down

1

If you read the source code of yum and urlgrabber you will find that:

yum uses python module urlgrabber to download rpm packages whose high-level async api parallel_wait is associated to an internal class of the package _ExternalDownloader.

And the urlgrabber-ext-down's dir is hard code written in the class _ExternalDownloader as /usr/libexec/urlgrabber-ext-down in line 2075 of the urlgrabber/grabber.py.

def __init__(self):
    self.popen = subprocess.Popen(
        '/usr/libexec/urlgrabber-ext-down',
        stdin = subprocess.PIPE,
        stdout = subprocess.PIPE,
    )
    self.stdin  = self.popen.stdin.fileno()
    self.stdout = self.popen.stdout.fileno()
    self.running = {}
    self.cnt = 0

So just make sure your urlgrabber-ext-down is right there, or rewrite the code line 2075.

1

On one of the servers I noticed the file /usr/libexec/urlgrabber-ext-down had this on the top: #! /usr/bin/python
But the python symlink was broken. typing python --version would throw an error saying command not found
Created a symlink for python pointing to python2.7 and that fixed the issue

0

This fixed the issue for me https://blog.51cto.com/chaichuan/2083574. Basically had to change the python version in the two files mentioned in the link to 2.7

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