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Get last line of shell output as a variable

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问题 I am working on a shell script with exiftool to automatically change some exif tags on pictures contained in a certain folder and I would like to use the output to get a notification on my NAS (a QNAP) when the job is completed. Everything works already, but - as the notification system truncates the message - I would like to receive just the information I need, i.e. the last line of the shell output, which is for example the following: Warning: [minor] Entries in IFD0 were out of sequence.

Get last line of shell output as a variable

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Can I inform QNAP if my Docker Image is Intel or Arm

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问题 QNAP ContainerStation supports searching for Docker images on Docker Hub . QNAP ContainerStation is supported on both their Intel and Arm platforms. I have an Intel and an Arm Image of my application, if user searches for image (songkong) both are displayed but of course only the Intel version will work on Intel QNAP and only Arm version will work on Arm QNAP. It would be better for the customer if QNAP would just list the valid one, since QNAP dont make it very clear what the cpu is for

Get last line of shell output as a variable

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I am working on a shell script with exiftool to automatically change some exif tags on pictures contained in a certain folder and I would like to use the output to get a notification on my NAS (a QNAP) when the job is completed. Everything works already, but - as the notification system truncates the message - I would like to receive just the information I need, i.e. the last line of the shell output, which is for example the following: Warning: [minor] Entries in IFD0 were out of sequence. Fixed. - 2015-07-12 15.41.06.jpg 4512 files failed condition 177 image files updated The problem is that

ERROR! MySQL manager or server PID file could not be found! QNAP

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I am having an issue where MySQL isn't starting on my QNAP NAS. I found this first by not being able to log in through phpMyAdmin - was getting error: #2002 Cannot log in to the MySQL server I then went to attempt to start mysql, as I guess this is a common issue with this, but it just gave a generic error. I went through troubleshooting the mysql.sock file and everything, changing its permissions, but nothing is working. I have rebooted my NAS many times. I eventually tried to restart mysql. In doing so I get: ERROR! MySQL manager or server PID file could not be found! I can't find anything

ERROR! MySQL manager or server PID file could not be found! QNAP

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问题 I am having an issue where MySQL isn't starting on my QNAP NAS. I found this first by not being able to log in through phpMyAdmin - was getting error: #2002 Cannot log in to the MySQL server I then went to attempt to start mysql, as I guess this is a common issue with this, but it just gave a generic error. I went through troubleshooting the mysql.sock file and everything, changing its permissions, but nothing is working. I have rebooted my NAS many times. I eventually tried to restart mysql.