This afternoon I arrived at home then wanted to start my VirtualBox Win7 guest, while just got an error message and could not do anything.From the error message, I found the Startup log file, and ...
Several days ago I installed a Ubuntu 18.10 on a machine already installed a Windows 10.At the beginning I thought such task could be finished easily in half hour, and I installed it smoothly unti...
These days got an issue that some AIX servers could not access one Linux server:
------@------:/home/------/.ssh$ssh 192.168.3.66
Connection closed by 192.168.3.66
(I removed the hostname and usern...
My friend got this issue and wanted to know the reason, so I built a test VM to verify it.The dbss scirpt was used to start their instances and he found if he run 'dbss start' then he could get th...
My friend told me his team installed Oracle 11.2.0.4 on a new SLES12 system while could not create the database, even could not use the sqlplus.SLES is also a famous Linux distribution, so I thoug...
Today my friend upgraded some nodes and a small part of them failed to boot after the upgrade.He checked such systems and reinstall the new installed kernel, then reboot them and we could enter th...
I installed VS Code recently on a new PC and began to get this error.It was very weird that all the extensions were not installed directly but were copied from my laptop, and on my laptop the VS C...
I never thought mounting a shared filesystem maybe cause server reboot!One node in a three-node RAC database was rebooted without any reason, and I was contacted to find the possible reason.I ...
When I bought the X9S device, I did not know its WIFI was so not stable.Sometimes, when I am watching movie, I have to disable/enable WIFI several times as the connection status will become fake a...
Several days ago I encountered this little issue and I found it was very interesting. :)I got a capacity issue and when I run 'du -sh *' I got error message similar with below:
root@debian:/tmp# ...