Command Line to Install Ubuntu 18.04 on Windows 10
Note that the following instructions are tested on Windows 10 Version 1809. If you have an earlier version, please upgrade it first. Enable Windows Subsystem […]
Linux
How to Compile Samba 4.10.5 on Ubuntu 16.04
There was a vulnerability for Samba 4.3.11 on Ubuntu 16.04. We were asked to update the Samba version to the latest 4.8 or above on […]
Ubuntu 16 4.4.0-143 Kernel Breaks Nvidia Driver
One user reported his machine did not let him log on after the recent update. I checked several logs to find out the Nvidia driver […]
How to Clear Samba and Winbind Cache
One user updated his Scientific Linux 7 recently. The version of Samba was upgraded from 4.4 to 4.8. The samba service was not running smoothly […]
PHP SSL CERTIFICATE_VERIFY_FAILED Error
A user reported that a certain PHP script stopped working on the server. The error messages are: Traceback (most recent call last): File “”, line […]
Yum Segmentation Fault on CentOS 6
I helped set up a cluster couple of years ago. The server OS has not been upgraded ever since because it requires rebuilding the whole […]
How to Enable SMB2 on Samba 3.6
We have a user who reported that he could not connect to a Samba server, because the client does not allow smb1 connection. The Samba […]
How to Install TSM Client on Ubuntu
I helped a user install TSM client on a Ubuntu VM the other day. It took me a while to find all the info I […]
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 […]
How to Use iptables on Red Hat Linux 7
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 […]