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

After a lot of searching, I was able to fix the “PID file cannot be found” issue on my machine. I’m on OS X 10.9.3 and installed mysql via Homebrew. First, I found my PID file here: /usr/local/var/mysql/{username}.pid Next, I located my my.cnf file here: /usr/local/Cellar/mysql/5.6.19/my.cnf Finally, I added this line to the bottom of … Read more

How to get PID by process name?

You can get the pid of processes by name using pidof through subprocess.check_output: from subprocess import check_output def get_pid(name): return check_output([“pidof”,name]) In [5]: get_pid(“java”) Out[5]: ‘23366\n’ check_output([“pidof”,name]) will run the command as “pidof process_name”, If the return code was non-zero it raises a CalledProcessError. To handle multiple entries and cast to ints: from subprocess import … Read more

How to get pid given the process name

I think it is easier to use pgrep $ pgrep bluetoothd 441 Otherwise, you can use awk: ps -ef | awk ‘$8==”name_of_process” {print $2}’ For example, if ps -efhas a line like: root 441 1 0 10:02 ? 00:00:00 /usr/sbin/bluetoothd Then ps -ef | awk ‘$8==”/usr/sbin/bluetoothd” {print $2}’ returns 441. In ksh pgrep is not … Read more

Difference between PID and TID

It is complicated: pid is process identifier; tid is thread identifier. But as it happens, the kernel doesn’t make a real distinction between them: threads are just like processes but they share some things (memory, fds…) with other instances of the same group. So, a tid is actually the identifier of the schedulable object in … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)