Some nodes failed to boot after kernel batch upgrade Today my friend upgraded some nodes and a small part of them failed to boot after the upgrade. He ch... 10/03/2020 Linux 235 views Comment Read More...
Failed to boot after kernel upgrade Last night we upgraded some servers and one of them could not be accessed using SSH. I checked it on... 09/01/2020 Linux 39 views Comment Read More...
segfault and error 4 in libc-2.12.so These days I helped to troubleshoot a RedHat Cluster issue. When we run command 'service cman start'... 26/10/2019 Linux 487 views Comment Read More...
Multiple version issue of glibc-common package on RHEL systems These days we are doing some maintenance tasks on hundreds of RHEL servers and we update them using ... 19/10/2019 Linux 206 views Comment Read More...
How to display the obsoleted packages and versions of a RPM? These days I patched some servers using a standard script and it run successfully on most nodes unti... 11/10/2019 Linux 50 views Comment Read More...
Xntpd restarted due to no time server selected Handled a ntp issue these days and I want to share my learning here as I could not find the right an... 21/08/2019 Linux 73 views Comment Read More...
The difference between IP address and Hostname when creating SSH User Equivalency I provided a 12c RAC step-by-step installation guide to client and he got issue during the deploymen... 16/07/2019 Linux 41 views Comment Read More...
VirtualBox VM caused system hung after laptop upgrade In last week I upgraded my laptop from T420s to E485 to get maximum 32G memory also because the T420... 10/06/2019 Linux 44 views Comment Read More...
ACFS-9459 & ACFS on Oracle 11.2.0.4 and RHEL7.4 Sometimes, when I installed the Oracle GI and run the asmca, I could create volume and acfs easily, ... 23/02/2019 Linux 644 views Comment Read More...
LinuxCould not boot after kernel upgrade I got this issue last afternoon and fixed it this noon, so maybe it could help others. Some people p... 22/02/2019 60 views Comment Read More...