I just upgraded my Macbook Pro to OS 10.13 High Sierra yesterday. After upgrading, I could not run Outlook 2016 any more. I got this message: You can't use this version of the application "Microsoft…
Red Hat Enterprise Linux Registration Problem
We started to install the Red Hat Enterprise Linux on some of our machines. One problem we had early on is the registration. We followed these instructions, but got network errors on two machines. After…
How to Use iptables on Red Hat Linux…
Just helped set up a Red Hat Enterprise Linux 7 server. The firewall is handled by firewalld on rhel 7 by default. To use your old iptables rules, you have to disable firewalld and enable…
Installing Ubuntu 16.10 on an Inspiron 15 7559…
I tried to install Ubuntu 16.10 on an Inspiron 15 7559 laptop per my user's request. I ran into a lot of troubles and I didn't know why initially and wasted a lot of time.…
Rocks 6.1.1 Node Installation Stops at Language Selection…
We have a Linux cluster running Rocks 6.1.1 for several years. I recently got a report that the nodes were down. When I checked the nodes, they were all in installation mode and stuck at…
Samba Problem after Updating to 3.6.23-30
One CentOS 6 Linux server got the newest Samba 3.6.23-30 update last week. This is a critical update to fix the Badlock bug. After applying the update, we had some machines which could not connect to the…
How to Setup AFP Service on Scientific Linux…
I setup Samba service for a group of Mac users for file sharing. After a couple of months, the users are not satisfied with the performance and constant problems with permissions. I then setup AFP…
How to Stop systemd-tty-ask-password-agent Wall Message on Scientific…
I was trying a new way to setup my Linux machine for Enterprise authentication. I got it to work partially. There is a message which keeps popping up in terminal window: Broadcast message from [email protected]…
Rocks Cluster Node Installation Problem “Unable to read…
When I installed the first compute node in my Rocks cluster, the installation went smoothly and I didn't have any problems. However, I ran into a lot of problems when I installed the second node.…
