Linux file rename
To change the character(s) in the file name at the folder: for file in *; do mv “$file” echo $file…
Restart ttyUSB* on Linux
The below seems to solve problem, but not always. Find the driver associated to your ttyUSBx device. [email protected]:/# sudo cat…
Serial port on Linux ttyUSBx
Set the baud speed: stty -F /dev/ttyUSB0 9600 Get the port info: stty < /dev/ttyUSB0 Use the stty command to…
PostgreSQL: Password authentication failed for user “postgres”
When logging into PostgreSQL, an error message may appear like this: Password authentication failed for user "postgres". When PostgreSQL installs…
PostgreSQL: Allow Remote Connection to Connect Database
When a client machine tried to connect the PostgreSQL Server, it got an error like “psql:could not connect to server:Connection…
Raspberry Pi 4 GPIO Pinout
The best thing about any Raspberry Pi, including the new Raspberry Pi 4, is that you can use it to…
Linux file permissions
The UNIX and Linux stores a set of permissions with every file.These permissions help to keep data secure on a…
Activate &SAP_EDIT in SE16N
The function code &SAP_EDIT, which enables the change mode of transaction SE16N, is deactivated due to security breaches that were…
Sybase ASE: Extending an Existing Database Device
When the free space in the device where the DB is hosted is exhausted Sybase ASE gives following errors: Msg…
SAP Router Certificate Renewal
Login to SAP Router Server and stop Router service. Take a backup of file in usr/sap/saprouter : Cred_v2, srcert, certreq,…
