Questions about identifying processes, about listing them, sending signals, killing them, assigning and using process priorities.

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Ubuntu server 16.04 User process - hidepip by default?

I have installed ubuntu server 16.04 and looks like that I have a new behavior that I haven't in previous ubuntu versions, now the new system users can't see other users running processes, is this a ...
3
votes
2answers
696 views

Why does “top” show some processes running longer than the system's uptime?

I've got a problem with my system where phantomjs remains running after finishing its job. To debug this issue, two days ago I rebooted the system: Today when I ran top, I saw this: If I ...
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1answer
19 views

Process suddenly killed on Ubuntu 14.04.1 LTS

My database service is suddenly down and I am checking on /var/log/dmesg to see if there is information on the process that was killed. What the mean of init: failsafe main process (761) killed by ...
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1answer
37 views

Zombie process (kill both child and parent process)

Question: I want to make sure that both child and parent process are killed and echo if successful or not. I'm new on using bash script and having issue with my output. #!/bin/bash for p in $(ps ...
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1answer
17 views

How to set affinity

I want to execute 2 different programs on 2 different cores. I used taskset command to set affinity and assigned different cores to both programs. But I want to know whether these cores will be ...
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1answer
23 views

Is this the best way to see my running processes? [duplicate]

So obviously the title says it all. Is this the best way to view my running processes? ps -u whoami
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2answers
59 views

How can I find the PID for software where the name of the software is different from the executable? [duplicate]

I run "Videos" software from the Dash in Ubuntu. After some minutes the software freezes. I've tried searching for the PID of the software to kill it, but I can't find any result with these commands: ...
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0answers
59 views

how to kill process if we are not able to kill using normal kill pid command [closed]

If kill PID command fails in Linux/UNIX, then how to kill that process ? And what are such scenarios? I am using Ubuntu 14.04LTS
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1answer
18 views

virt-manager process continues running after closing all of its windows, what should I do?

I have installed qemu, kvm, and virt-manager, though I have noticed that after closing all of the virt-manager windows that there is still a virt-manager process running which originally appeared to ...
2
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1answer
47 views

How to change the priority of the process using command line [duplicate]

I got the following problem when I used this command : renice -19 1744
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1answer
40 views

How to run a sleepy process in Ubuntu

I need to change the state of group of processes from sleep (S) to run (R), is there any command to perform this quickly and note that I have their PIDs.
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0answers
18 views

Understanding the reason behind a freeze using system logs to file bug

My Ubuntu laptop just froze a few minutes ago (like it is frequently doing) making me reboot it using the hardware forced way. I would like to know the cause behind it so that if necessary I can file ...
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0answers
16 views

WCHAN = 0 for a sleeping task?

I am a little confused about the status of a process I have. It looks like this: $ ps -eal | head -n 1 ; ps -eal | grep perf F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD 4 S ...
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1answer
44 views

Is wineserver a default (program/process) on Ubuntu?

I saw in my Ubuntu 14.04 installation that there is a process called wineserver. Is that a default process/program when you install Ubuntu? I have another machine running the same OS (14.04) and don'...
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1answer
54 views

How to see if process is “non-responsive”?

Is there a way to check in Terminal if certain process (known PID) is doing something or is non-responsive and has "hang"? Using Ubuntu 14.04 and processes in question are TestDisk and GParted.
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votes
2answers
203 views

How to find still running processes in a terminal?

When I try to close a tab in Gnome Terminal, it says: Close this terminal? There is still a process running in this terminal. Closing the terminal will kill it. How can I find out what is still ...
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0answers
39 views

Executing commands in an elevated bash process by writing to the standard input of its parent process

I have a simple bash script 'bash.sh' that starts another bash instance using pkexec. #!/bin/bash bash -c 'pkexec bash' When executed this shows a prompt for the user to enter their password. The ...
3
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0answers
40 views

Which mysterious process sent data out of my computer?

Using vnstat, I observed a lot of uploaded data from my computer and I don't know which process sent data out of my computer. I installed nethogs to monitor live data transfer but seems nethogs ...
0
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1answer
14 views

Process command Issue (PSBeginner Issue)

first of all sorry for this lame question ,after killing it is still runinng , i am a beginner , rohit@something:~$ ps PID TTY TIME CMD 4596 pts/1 00:00:02 bash 4618 pts/1 00:00:...
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4answers
620 views

Is there a log of all activity I could open in terminal?

I'd like to have a terminal opened and study the processes and everything happening in a regular use of Ubuntu. What commands and files can I use to see the logs in real-time? Thanks.
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1answer
1k views

How to fix processing with runit and git-daemon-run

I'm trying to install Django using sudo apt-get install python-django But I'm getting error Reading package lists... Done Building dependency tree Reading state information... Done python-...
0
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1answer
44 views

Which process sent data out of my computer? [duplicate]

Using vnstat, I observed a lot of uploaded data from my computer and I don't know which process sent data out of my computer. Is there a tool to get stats on how much data a process consumed during a ...
0
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1answer
58 views

What command is the most effective for listing processes? [closed]

I've seen lots of developers use ps -ef to list processes and kill them (such as in ENCOM, devs of OS-12). However, there is also htop. A friend told me that it is only a wrapper around ps and ...
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2answers
3k views

What is the process gvfsd-smb-browse?

That process happened to crash on my system. Nothing very serious, but as I am curious I tried to get information on it but could not find a quite satisfying answer about what it is and what it does. ...
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5answers
94 views

How can I kill a process with a phrase in its name? [duplicate]

I need to kill a process that contains myName in its description. Currently I'm doing: ps -ax |grep myName I see PID kill -9 PID How can I do the same with one command without entering the PID?
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2answers
56 views

How to see if a specific process is running or not for 1 hour in shell

My process name is test. If I use ps -ef | grep test I see that process is running. Now I want to check this every 10 mins for one hour and print success if it's running successfully for one hour. ...
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3answers
623 views

How can I hibernate a running application?

Example use case: I run Chromium with a couple of tabs open and decide that I don't need to access the application for the next 20 minutes. In order to conserve laptop battery time, I would like to ...
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2answers
59 views

How are processes described in Ubuntu? [closed]

I need to know in detail how are processes described in Ubuntu? I have tried Google, but no luck. As I require it for research purposes, please help. Thank you.
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0answers
37 views

Use MOSIX for process migration

I am using MOSIX on Ubuntu 14.04 LTS for process migration.I have installed MOSIX successfully on Ubuntu. Now I want to form a cluster of two nodes to perform premptive process migration.But I dont ...
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1answer
53 views

kill all process greater than some process ID and match with particular name

I want to kill all google chrome process which is run via CRON. */5 * * * * export DISPLAY=:0 && google-chrome --app=http://localhost/runmysql.html so the process which has lower process ...
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0answers
21 views

Monitor CPU and bandwidth usage of cpu and save to csv

I would like to monitor a specific process. I need to know timestamp, CPU usage (%) and Bandwidth (tcp upload and download in % or byte/s) of this process. I have tried something like this: ps -Ao ...
3
votes
1answer
53 views

How to avoid killing the wrong process in a bash script?

I'm writing a bash script that spawns a couple of child processes, and will be run by a cron job every hour. It's actually running an rsync command to a remote server, and the associated ssh ...
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0answers
32 views

Login loop after killings process

I'm having an annoying issue. I terminated some processes from another users, which were holding me back changing the user's home folder location. I killed 2 processes (I do not remember the actual ...
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1answer
136 views

How do I start/stop failed upstart job?

I have an upstart script in /etc/init/myexample.conf. This job basically runs a java jar file. Normally, I can start and stop this using sudo start myexample and sudo stop myexample. I changed the ...
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1answer
198 views

mysql process stopping install as cannot kill

I am trying to install mariadb but install exits as fail as Mysql is running and it cannot stop. MySql is not installed but there is a process running which I cannot kill root@sonic-ubuntu ~ # ps ...
0
votes
1answer
58 views

Script to check system is locked or not at certain time

I want to write a script to check whether system is locked or not at certain time. So can anyone tell me what would be the condition to verify that system is locked or not ? Thanks in advance!!
1
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1answer
92 views

How can I make sure a program is killed when VPN is running?

There is a program that I need to not have running whenever my VPN is running. I don't want to resort to closing it manually every time, because I might forget sometime. I would like to guarantee ...
1
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1answer
50 views

Quickly execute commands without running out of memory [closed]

I am writing a .Net application that runs on Mono. It executes and gets the output of several terminal commands every second or so, continuously. However, after several seconds, it will crash ...
2
votes
1answer
159 views

How can I determine if a process has a window, and subsequently show, hide or close it?

Is it possible, either through a shell script or terminal command, assuming you have the PID, determine if it has a main window (form), and then get info about it (title) and show/hide/close it?
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2answers
195 views

How to get the list of running GUI applications in the Unity Launcher?

I need a list with only those apps that are currently open/running in Dash, the ones that have that small white arrow(s) on the left side of the icon. Is there any way to get it?
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1answer
125 views

How to autostart node forever and use spawn() as sudo on Ubuntu?

My app periodically spawns a CasperJS scraper: spawn(CASPER_PATH, [SCRIPTS_PATH + fileName, '--ssl-protocol=any', '--user='+user, '--scrapeId='+scrapeId, '--pass='+pass], { detached:...
1
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1answer
34 views

System almost halted by backgrounded `yes` command

I recently ran: yes Pandas > WantBamboo & Though I didn't mean to put the & at the end... Something important then came up and I had to leave my computer for a couple of minutes, when I ...
1
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1answer
28 views

How do you stop a suspended job from receiving GUI interaction?

If you suspend a process from the terminal with CTRL+Z everything from that process is suspended including the UI. But if you interact with the UI while it is suspended the interactions are still ...
1
vote
3answers
242 views

How to start or kill tasks when the core temperatures goes above/below a specific value?

I would like to write a short script that gets launched manually once and then should: run a command if all temperatures are below x °C. pause the command if any temperature rises above y °C. ...
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2answers
355 views

What is /usr/lib/tracker?

I ran ps -aux and I see like 4 of these name 1696 0.0 0.3 337052 11892 tty2 SNl+ 06:46 0:00 /usr/lib/tracker name 1698 0.3 0.4 502776 19272 tty2 SNl+ 06:46 0:24 /usr/lib/...
3
votes
2answers
84 views

What service asks for “Authentication to change own user data”?

Related: Seemingly random “Authentication is required to change your own user data” Every now and then (only after resuming from Suspend) I get the following dialogue. The information provided is ...
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0answers
72 views

Kill process: SIGKILL does not work

There is a strange thing that never happened to me. kill -9 PID does not work. The process is still there. I tried also with htop -> F9 -> Enter but nothing. How can I resolve this problem? ...
2
votes
1answer
137 views

Better nice: how can I pause a demanding process completely if the computer is unidle?

Some background jobs on my PC do heavy processing. Running them with maximum nice level still produces slow interactivity and annoys me. Is there a better way than maximum nice? As soon as I use the ...
0
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1answer
17 views

Can't find the window for a process whose status is `Sl` [duplicate]

I am under Ubuntu 14.04 with Gnome Classic as desktop environment. I have a process, whose status is Sl, see below: $ ps aux | grep PDFXC t 20363 0.1 0.0 2676268 6436 pts/61 Sl 2015 ...
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2answers
197 views

How to stop Ubuntu tracking process?

As far as I know Ubuntu is using a process to track user usages and maybe personal information, some like google and other websites use cookies to provide you with "more suitable add". Can someone ...