How do I increase the /proc/pid/cmdline 4096 byte limit?
For looking at Java processes jps is very useful. This will give you the main class and jvm args: jps -vl | grep <pid>
pid
How to get PID from forked child process in shell script
The PID of a backgrounded child process is stored in $!, and the current process is $$: fpfunction & child_pid=$! # in parent process, child’s pid is $! parent_pid=$$ # in parent process, parent’s pid is $$ When in the backgrounded function, the child processes’s PID is $BASHPID rather than $$, which is now the … Read more
How to kill process on GPUs with PID in nvidia-smi using keyword?
The accepted answer doesn’t work for me, probably because nvidia-smi has different formats across different versions/hardware. I’m using a much cleaner command: nvidia-smi | grep ‘python’ | awk ‘{ print $3 }’ | xargs -n1 kill -9 You can replace $3 in the awk expression to fit your nvidia-smi output. It is the n-th column … Read more
What is the difference between a Process’ pid, ppid, uid, euid, gid and egid?
In order: pid: The is the process ID (PID) of the process you call the Process.pid method in. ppid: The PID of the parent process (the process that spawned the current one). For example, if you run ruby test.rb in a bash shell, PPID in that process would be the PID of Bash. uid: The … Read more
Redis Daemon not creating a PID file
For those experiencing on Debian buster: Editing nano /etc/systemd/system/redis.service and adding this line below redis [Service] ExecStartPost=/bin/sh -c “echo $MAINPID > /var/run/redis/redis.pid” It suppose to look like this: [Service] Type=forking ExecStart=/usr/bin/redis-server /etc/redis/redis.conf ExecStop=/bin/kill -s TERM $MAINPID ExecStartPost=/bin/sh -c “echo $MAINPID > /var/run/redis/redis.pid” PIDFile=/run/redis/redis-server.pid then: sudo systemctl daemon-reload sudo systemctl restart redis.service Check redis.service status: sudo … Read more
How can I list all processes running in Windows?
Finding all of the processes You can do this through the Process class using System.Diagnostics; … var allProcesses = Process.GetProcesses(); Running Diagnostics Can you give us some more information here? It’s not clear what you want to do. The Process class provides a bit of information though that might help you out. It is possible … Read more
Check if process exists given its pid
Issue a kill(2) system call with 0 as the signal. If the call succeeds, it means that a process with this pid exists. If the call fails and errno is set to ESRCH, a process with such a pid does not exist. Quoting the POSIX standard: If sig is 0 (the null signal), error checking … Read more
How can I check from Ruby whether a process with a certain pid is running?
The difference between the Process.getpgid and Process::kill approaches seems to be what happens when the pid exists but is owned by another user. Process.getpgid will return an answer, Process::kill will throw an exception (Errno::EPERM). Based on that, I recommend Process.getpgid, if just for the reason that it saves you from having to catch two different … Read more
IIS Application pool PID
On Windows Server 2008 this has changed. in %systemroot%\system32\inetsrv you find the appcmd.exe using appcmd list wp you get a list of all the worker processes and which apppool they are serving. You might need to run this in a shell with Administrator privileges.
Why does getpid() return pid_t instead of int?
I think it’s the opposite: making the program portable across platforms, regardless of whether, e.g., a PID is 16 or 32 bits (or even longer).