RHEL5

yum update missing dependencies on RHEL5

Submitted by John on Mon, 2009-03-23 08:36

I was getting the following dependency errors on a Red Hat Enterprise Linux 5 box. This was a stock box that has a RHEL subscription and had not used any yum repositories other than Red Hat's own official repositories.

# yum update
Loaded plugins: rhnplugin, security
Skipping security plugin, no data
Setting up Update Process
Resolving Dependencies
Skipping security plugin, no data
--> Running transaction check
---> Package libsoup.i386 0:2.2.98-2.el5_3.1 set to be updated
---> Package ghostscript.i386 0:8.15.2-9.4.el5_3.4 set to be updated
---> Package evolution-data-server.i386 0:1.12.3-10.el5_3.3 set to be updated
---> Package libpng.i386 2:1.2.10-7.1.el5_3.2 set to be updated
--> Processing Dependency: libebook-1.2.so.9 for package: gnome-panel
--> Processing Dependency: libebook-1.2.so.9 for package: control-center
--> Processing Dependency: libecal-1.2.so.7 for package: gnome-panel
--> Processing Dependency: libedataserver-1.2.so.7 for package: gnome-panel
--> Processing Dependency: libedataserver-1.2.so.7 for package: control-center
--> Processing Dependency: libedataserverui-1.2.so.8 for package: gnome-panel
--> Processing Dependency: evolution-data-server >= 1.1.4 for package: gnome-panel
---> Package device-mapper-multipath.i386 0:0.4.7-23.el5_3.1 set to be updated
---> Package lcms.i386 0:1.18-0.1.beta1.el5_3.2 set to be updated
---> Package kpartx.i386 0:0.4.7-23.el5_3.1 set to be updated
--> Processing Dependency: libgs.so.8 for package: ImageMagick
--> Processing Dependency: ghostscript for package: libgnomeprint22
--> Processing Dependency: ghostscript for package: ghostscript-fonts
---> Package firefox.i386 0:3.0.7-1.el5 set to be updated
---> Package xulrunner.i386 0:1.9.0.7-1.el5 set to be updated
---> Package curl.i386 0:7.15.5-2.1.el5_3.4 set to be updated
--> Finished Dependency Resolution
libgnomeprint22-2.12.1-10.el5.i386 from installed has depsolving problems
  --> Missing Dependency: ghostscript is needed by package libgnomeprint22-2.12.1-10.el5.i386 (installed)
gnome-panel-2.16.1-7.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libecal-1.2.so.7 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
1:control-center-2.16.0-16.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libedataserver-1.2.so.7 is needed by package 1:control-center-2.16.0-16.el5.i386 (installed)
gnome-panel-2.16.1-7.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libedataserver-1.2.so.7 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
gnome-panel-2.16.1-7.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libebook-1.2.so.9 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
gnome-panel-2.16.1-7.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libedataserverui-1.2.so.8 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
ghostscript-fonts-5.50-13.1.1.noarch from installed has depsolving problems
  --> Missing Dependency: ghostscript is needed by package ghostscript-fonts-5.50-13.1.1.noarch (installed)
gnome-panel-2.16.1-7.el5.i386 from installed has depsolving problems
  --> Missing Dependency: evolution-data-server >= 1.1.4 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
ImageMagick-6.2.8.0-4.el5_1.1.i386 from installed has depsolving problems
  --> Missing Dependency: libgs.so.8 is needed by package ImageMagick-6.2.8.0-4.el5_1.1.i386 (installed)
1:control-center-2.16.0-16.el5.i386 from installed has depsolving problems
  --> Missing Dependency: libebook-1.2.so.9 is needed by package 1:control-center-2.16.0-16.el5.i386 (installed)
Error: Missing Dependency: libecal-1.2.so.7 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
Error: Missing Dependency: ghostscript is needed by package ghostscript-fonts-5.50-13.1.1.noarch (installed)
Error: Missing Dependency: ghostscript is needed by package libgnomeprint22-2.12.1-10.el5.i386 (installed)
Error: Missing Dependency: libebook-1.2.so.9 is needed by package 1:control-center-2.16.0-16.el5.i386 (installed)
Error: Missing Dependency: libgs.so.8 is needed by package ImageMagick-6.2.8.0-4.el5_1.1.i386 (installed)
Error: Missing Dependency: libebook-1.2.so.9 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
Error: Missing Dependency: libedataserver-1.2.so.7 is needed by package 1:control-center-2.16.0-16.el5.i386 (installed)
Error: Missing Dependency: libedataserverui-1.2.so.8 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
Error: Missing Dependency: evolution-data-server >= 1.1.4 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)
Error: Missing Dependency: libedataserver-1.2.so.7 is needed by package gnome-panel-2.16.1-7.el5.i386 (installed)

The solution was to clean out yum's local caches with:

yum clean all

and then

yum update

I suspect that yum clean headers alone might have done the trick, but I was too quick on the trigger with yum clean all.

Update: Anonymous says that yum clean dbcache works.

Topic: 
CentOS5
RHEL5

Installing APC on RHEL5

Submitted by John on Tue, 2008-08-12 16:13

Here's how to install APC on RHEL5.

# yum install php-pear php-devel httpd-devel
# pecl install apc
# echo "extension=apc.so" > /etc/php.d/apc.ini
# service httpd restart

Check for the apc section in your phpinfo() page. If it's not there:

# tail /var/log/httpd/error_log
[Tue Aug 12 15:43:59 2008] [notice] Digest: done
PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/lib/php/modules/apc.so' - /usr/lib/php/modules/apc.so: cannot open shared object file: Permission denied in Unknown on line 0

SELinux is preventing the extension from loading, I'll bet. Let's check:

# tail /var/log/messages
Aug 12 15:42:40 mybox yum: Installed: httpd-devel - 2.2.3-11.el5_1.3.i386
Aug 12 15:44:01 mybox setroubleshoot: SELinux is preventing the httpd from using potentially mislabeled files (./apc.so). For complete SELinux messages. run sealert -l 9e4bbfa8-327b-4bb2-94df-f154045a1ef1

Let's view the security contexts for our PHP extensions:

# ls -Z /usr/lib/php/modules
-rwxr-xr-x  root root root:object_r:tmp_t              apc.so
-rwxr-xr-x  root root system_u:object_r:textrel_shlib_t dbase.so
-rwxr-xr-x  root root system_u:object_r:textrel_shlib_t gd.so
...

Yup. Notice how the security context is missing (it's tmp_t for apc.so). Let's fix that.

# restorecon /usr/lib/php/modules/apc.so
]# ls -Z /usr/lib/php/modules
-rwxr-xr-x  root root system_u:object_r:textrel_shlib_t apc.so
-rwxr-xr-x  root root system_u:object_r:textrel_shlib_t dbase.so
-rwxr-xr-x  root root system_u:object_r:textrel_shlib_t gd.so
...

Now let's try again:

# service httpd restart

Yay!

P.S. On x86_64, apc.so is in /usr/lib64/php/modules.

Topic: 
PHP
CentOS5
RHEL5

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