I would like to automate the estimation of monthly memory usage of all jobs performed by a given user in my cluster (SGE, ubuntu). I have seen there are many tools to compute the current memory usage for a particular user, but I want to calculate the CPU usage of the submitted jobs. Is this … Read more
I know I can run something in the background by adding & to it, such as tail -f log.log I can then resume or send the job to the foregrond with fg However, once I do this, how do I send it to the background again? Ctl-z stops the task, and Ctl-c kills it. When … Read more
I have a Xen server with some VMs on it. I’m using xm console to view it and run some programmes. However I wanted to put the process in the background, and pressed ^Z (control Z) by habit, but that just put the xm console command into the background. Is it possible to send the … Read more
I want my service to start only if another service is not active. To do so, as explained in this other question, I am going to do: ExecStartPre=/bin/bash -xc ‘/usr/bin/systemctl is-active –quiet other-unit.service && exit 1 || exit 0’ However, there is a small possibility that the OS does not include /bin/bash. In that case, … Read more
In linux I would use the disown command to disconnect a backgrounded process from my terminal so when I quit the terminal or disconnected from it, the job would continue as a child of the init process. In the ESXi /bin/sh shell, I see no disown command. How can I disown a running process in … Read more
I have several large hugin scripted jobs which I would like to have processed in a timely manner. Each script will sometimes use all of the machine’s cores at times, and other times be single threaded for some time. I’m wondering about the fastest way to get all of my stitching jobs done. Would it … Read more
So I ran tcpdump twice overnight by accident, both outputting to the same file. However, I ran them as jobs and one of them has been paused the whole time. Anyone have a recommendations on how to keep the file? So far I have thought of: kill -9 the paused job Pause the running job, … Read more
I am using Torque to manage software that I have a limited number of licenses of (4 to be exact). During the day I need to keep 2 licenses free for use of setting up cases and at night and over the weekend I can use all 4 licenses to solve cases. Is there any … Read more
When running a shell job in the background, the shell keeps track of the exit-code that can be retrieved with wait <PID>. When a new background job is run, it gets its own new PID, even if previous background jobs are ended, because the exit-code of a background-job is stored and kept as a PID … Read more
I search a job management solution for local processes. Usually they run for some weeks. At the moment I use a jenkins, but there the server is not restartable (security updates) and there is no redudancy. If one server goes offline, all the jobs should be rebalanced to the online servers. It is okay to … Read more
