Active Directory / LDAP for Satellite 6

Author Archives: TKH Specialist

Active Directory / LDAP for Satellite 6

  • Dec
  • 07

Servers should be: dcg5.example.com dcg2.example.com dcg1.example.com Ports: LDAPS = 636 LDAP = 389 Account Username format for AD: CN=satellite.ldap.svc,OU=Accounts,OU=Satellite,OU=Services,OU=SSG,OU=Company,DC=grove,DC=ad,DC=company,DC=com Password for satellite.ldap.svc Base DN: DC=grove,DC=ad,DC=company,DC=com Groups base DN:  OU=Groups,OU=Satellite,OU=Services,OU=SSG,OU=Company,DC=grove,DC=ad,DC=company,DC=com LDAP filter: (objectClass=User) Satellite needed the following box checked: “LDAP users will have their Satellite 6 account automatically created the first time they log into Satellite […]

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Apache Modules

  • Nov
  • 15

I seem to always forget this command when I need it every 6-9 months, so here it is for my easy access: List all the loaded modules in apache (both DSO and Static) apachectl -t -D DUMP_MODULES

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Using redhat-support-tool in 10 space

  • Oct
  • 13

OK, Private IP space, but you should know that 10 space means private IP space. The command redhat-support-tool is useful when working with a Red Hat support ticket. Once a ticket is opened with Red Hat your next step should be to create and attach an sosreport to the ticket. If you don’t then you […]

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yum Invalid System Credential error

  • Sep
  • 30

I ran across the following yum error after migrating a system from being a client of Satellite 5.6 to Satellite 6.1.  First here is the error: # yum update Loaded plugins: package_upload, priorities, rhnplugin, search-disabled-repos, security, subscription-manager There was an error communicating with RHN. RHN Satellite or RHN Classic support will be disabled. Error Message: […]

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Working with Repositories

  • Sep
  • 29

Pulling packages from multiple sources can lead to problems.  If you are running rhel and have epel enabled an update could inadvertently pull down a newer version from the wrong repository.  This doesn’t always cause a problem, but it can.  If you need to tfind all the epel packages on your system, here is how […]

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RHEL – Installing X Windows (required for Oracle Installs)

  • Jun
  • 23

This is the quick and easy way to install X windows on your RHEL server > yum groupinstall “X Window System” “Fonts” To verify that is works, you ssh to your box using -X and then run “xclock” to verify that X windowing works. > ssh -X  myaccount@myhost > echo $DISPLAYl localhost:11.0 > xclock

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Kerberizing RHEL Server

  • Jun
  • 13

Notes from Plone… yum install krb5-workstation pam_krb5 -y # if krb5.conf is present we should get a fresh copy mv /etc/krb5.conf /etc/krb5.conf.bak yum reinstall krb5-libs -y sed -ie ‘s/example.com/FQDN/g’ /etc/krb5.conf sed -ie ‘s/EXAMPLE.COM/FQDN/g’ /etc/krb5.conf fqdn=`hostname –fqdn`; echo ” ank -randkey host/$fqdn@FQDN ktadd -k /etc/krb5.keytab host/$fqdn@FQDN “; — OR — kadmin netid/admin@FQDN addprinc -randkey host/$fqdn ktadd […]

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Don’t Panic Kernel!

  • May
  • 17

You do your best to keep your systems running, but eventually something is going to happen (read you are going to do something) that leads to a Kernel Panic.  Every System Administrator fears a Kernel Panic at some point in their career, but it is never a good idea to panic over one!  Here are […]

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systemd commands, hints and cheatsheet

  • Apr
  • 15

List all running services # systemctl Start/stop or enable/disable services Activates a service immediately: # systemctl start foo.service Deactivates a service immediately: # systemctl stop foo.service Restarts a service: # systemctl restart foo.service Shows status of a service including whether it is running or not: # systemctl status foo.service Enables a service to be started […]

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Timestamping your bash_history

  • Apr
  • 05

I use this all the time and occasionally find a server that isn’t configured to timestamp the bash_history. It seemed like something I should preserve here for future reference. Adding a timestamp is really simple, just execute the following: echo ‘export HISTTIMEFORMAT=”%d/%m/%y %T “‘ >> ~/.bash_profile ; source ~/.bash_profile That’s it, now the history command […]

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