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How to release yum lock --- but no yum is running !

Dear Experts,

PHP Code:




# uname -a 
Linux RAC1.COM 3.8.13-16.2.1.el6uek.x86_64 #1 SMP Thu Nov 7 17:01:44 PST 2013 x86_64 x86_64 x86_64 GNU/Linux

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[root@RAC1 ~]# cat /etc/*release 
LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch 
Oracle Linux Server release 6.5 
Red Hat Enterprise Linux Server release 6.5 (Santiago) 
Oracle Linux Server release 6.5

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# yum -y install kernel-uek-devel-`uname -r` 
Loaded plugins: refresh-packagekit, security 
Existing lock /var/run/yum.pid: another copy is running as pid 26982. 
Another app is currently holding the yum lock; waiting for it to exit... 
  The other application is: PackageKit 
    Memory : 162 M RSS (471 MB VSZ) 
    Started: Mon Nov  6 04:18:30 2017 - 12:46 ago 
    State  : Sleeping, pid: 26982 
Another app is currently holding the yum lock; waiting for it to exit... 
  The other application is: PackageKit 
    Memory : 162 M RSS (471 MB VSZ) 
    Started: Mon Nov  6 04:18:30 2017 - 12:48 ago 
    State  : Running, pid: 26982

^C

Exiting on user cancel.

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[root@RAC1 ~]# ps -ef  |grep yum 
root     26982 26981  9 04:18 ?        00:01:11 /usr/bin/python /usr/share/PackageKit/helpers/yum/yumBackend.py get-updates none 
root     27097 26992  0 04:31 pts/2    00:00:00 grep yum

No yum is running.
But why i am getting that warning message.

If kill running yum process , will it damage my linux machine ?

You can see that had PackageKit running. I'm not familiar with Oracle, but this could be because some automatic process was using PK to check for updates or (more likely) just an error. In the second case, just killing PackageKit will solve the problem.

I have seen similar behavior on CentOS desktops with Gnome where the "Package Manager" (from memory) is running on the desktop and I try to run yum from the command line in a terminal.

Hi,

Why error is coming at last ?

# yum -y install kernel-uek-devel-`uname -r`
Loaded plugins: refresh-packagekit, security
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package kernel-uek-devel.x86_64 0:3.8.13-16.2.1.el6uek will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==================================================================================================== ==========
Package Arch Version Repository Size
==================================================================================================== ==========
Installing:
kernel-uek-devel x86_64 3.8.13-16.2.1.el6uek public_ol6_UEKR3_latest 8.8 M

Transaction Summary
==================================================================================================== ==========
Install 1 Package(s)

Total download size: 8.8 M
Installed size: 32 M
Downloading Packages:
http://public-yum.oracle.com/repo/Or...ek.x86_64.rpm: [Errno 14] PYCURL ERROR 18 - "transfer closed with 1812972 bytes remaining to read"
Trying other mirror.

Quote:

Error Downloading Packages:
kernel-uek-devel-3.8.13-16.2.1.el6uek.x86_64: failure: getPackage/kernel-uek-devel-3.8.13-16.2.1.el6uek.x86_64.rpm from public_ol6_UEKR3_latest: [Errno 256] No more mirrors to try.

# yum -y install kernel-uek-devel- nodeps `uname -r` --nodeps
Loaded plugins: refresh-packagekit, security
Usage: yum [options] COMMAND

..
...

Command line error: no such option: --nodeps

Q: why are you using '--no-deps'? This isn't a good idea unless your system is broken for one reason or another.
If you have to use '--no-deps' then maybe you should run 'package-cleanup' to attempt to fix any issues you might be having.

I think you need to update yum

Code:

$ yum update

or so ...