January 25, 2022 in Tips and Tricks, Ubuntu
In CentOS or RHEL, the failed SSH sessions are recorded in /var/log/secure file. Issue the above command against this log file to identify failed SSH logins. A slightly modified version of the above command to display failed SSH logins in CentOS or RHEL is as follows.
January 23, 2022 in Tips and Tricks
1.Find “Call forwarding” Press Phone. Press the menu icon. Press Settings. Press More settings. Press the required SIM. Press Call forwarding. Press the required divert type. Key in (prefix) 5 (your phone number) and press ENABLE. (prefix) 5 (your phone number)
January 21, 2022 in Php, Tips and Tricks
HTML forms provide three methods of encoding. application/x-www-form-urlencoded (the default) multipart/form-data text/plain Work was being done on adding application/json, but that has been abandoned. (Other encodings are possible with HTTP requests generated using other means than an HTML form submission. JSON is a common format for use with web services and some still use SOAP.) The specifics […]
January 21, 2022 in Jobs, Only Happened In India, Tips and Tricks
Cost to Company (CTC) is the yearly expenditure that a company spends on an employee. Each employee spend depends on their salary and variable. CTC is calculated by adding salary and additional benefits that an employee receives such as EPF, gratuity, house allowance, food coupons, medical insurance, travel expense and so on. CTC in colloquial […]
January 17, 2022 in Technology, Tips and Tricks
When you ssh to a server, you have 2 minutes to login. If you don’t successfully login within 2 minutes, ssh will disconnect. 2 minutes time to login successfully is too much. You should consider changing it to 30 seconds, or may be 1 minute.
January 17, 2022 in Tips and Tricks
lastb only shows login failures. Use last to see successful logins. It shows people trying to upload or download content. The “notty” part means no tty (where tty is short for teletype) which these days means no monitor or gui, and the ssh indicates port 22, which taken together mean something like scp or rsync. So not hacking or […]
January 16, 2022 in Tips and Tricks
The HTTP 429 Too Many Requests response status code indicates the user has sent too many requests in a given amount of time (“rate limiting”). A Retry-After header might be included to this response indicating how long to wait before making a new request. HTTP Error 429 is an HTTP response status code that indicates the client […]
