The time has come for LDAP The classroom server has been set up with ipa-server and ldapusers with password is password. Some of the setup on my server1 box was done in the infrastructure article part 2. ipa-client-install install was used earlier we pulled it out to create this content with a re-install. The passwords […]
Read More →Category: Systems Administration
To be without spam. A spamassassin story
I have used spamassassin for many years with variable levels of success. I will tighten the rules in one place, the soammers would find a new way to deliver the spam on my server. Last week my wife, retired her email address because she’s getting more spam than real mail. It was the worst of […]
Read More →LVM filesystem exercise
A Volume Group was created at 200Mib thusly: fstab setup: It was properly mounted: Now we need to extend it to 400 MiB any number between 370-430MiB is cool. Done and doner!
Read More →file permissions exercise (acl)
/etc/fstab is copied to /var/tmp/fstab user abraham needs to be able to read and write /var/tmp/fstab user leah can neither read nor write /var/tmp/fstab All other users must be able to read and write the file present and future. The results seem to be incorrect so I added a step.
Read More →ntp integration
Integrate server1 with classroom nfs server For some reason I already set this up: Partially anyway I ran yum -y install chrony and systemctl enable chronyd.service
Read More →User needs cron
Few users are really safe with cron. But the RHCSA deities say we need this exercise so we are going to do the exercise. Lets say the user is leah and she needs to run a job the echo’s Shalom every day at 19:07. Looks good to me.
Read More →RHCSA IP Forwarding
The RHCSA says we want to enable IP Forwarding. So we do as well. Nobody said all the questions had to be hard.
Read More →Kernel update
An easy problem. Update the kernel. We already built an update repo in another article. Update and reboot. The final result:
Read More →Improve your infrastructure server collect updates
We need to create an exercise that involves installing a kernel update. Therefore we cannot live with a big repository called repo. We need to add one selinux compatible called updates. In our quirky Macbook based environment we will have to reboot our infrastructure server so it has Internet exposure. Your mileage may vary. In […]
Read More →User/group exercise
The problem is to create a group called sysadm. abraham needs to be a secondary member of this group. leah is a secondary member of sysadm group. rachael has no interactive login is not a member of sysadm. For simplicity make the password equal to blackhat Next objective: Make a folder /redhat/sysadm group ownership […]
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