Dual boot with UEFI boot mode and grub2 Several days ago I installed a Ubuntu 18.10 on a machine already installed a Windows 10. At the begi... 28/10/2018 Linux 163 views Comment Read More...
The difference between ‘&&’ and ‘-a’ These days I am reading the book 'Advanced Bash-Scripting Guide' and I got confused about '&&... 18/08/2018 Linux 82 views Comment Read More...
‘lsnrctl status’ could not display the status of running listener correctly My friend got this issue and wanted to know the reason, so I built a test VM to verify it. The dbss ... 11/06/2018 Linux 649 views 1 Read More...
ORA-12547 and sysctl -p This night I installed an Oracle 12c database on SLES12SP3 to test the dbss script on SLES system an... 11/06/2018 Linux 125 views Comment Read More...
Systemd service was terminated abnormally during reboot To start/stop all the instances on a server, I created a script named dbss (database start/stop) and... 10/06/2018 Linux 793 views Comment Read More...
du: option requires an argument — ‘X’ Several days ago I encountered this little issue and I found it was very interesting. :) I got a cap... 03/06/2018 Linux 283 views Comment Read More...
How to create udev rules of storage devices for ASM usage When I install the Grid Infrastructure(GI), usually I need to configure the udev rule for the storag... 21/05/2018 Linux 553 views Comment Read More...
Some strange behaviours of parted Last night when I made partitions of one large 3T flash disk, I got some issues with the parted comm... 16/05/2018 Linux 203 views Comment Read More...
host map: lookup (domain.com): deferred This was another issue happened several days ago. In our email configuration, there was one central ... 17/04/2018 Linux 687 views Comment Read More...
IP name possibly forged These days got a sendmail issue and fixed it after some research and tests, and I though it could be... 16/04/2018 Linux 186 views Comment Read More...