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More elegant “ps aux | grep -v grep”
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The usual technique is this:
ps aux | egrep '[t]erminal'
This will match lines containing terminal, which egrep '[t]erminal' does not! It also works on many flavours of Unix.
s...
How to use `subprocess` command with pipes
I want to use subprocess.check_output() with ps -A | grep 'process_name' .
I tried various solutions but so far nothing worked. Can someone guide me how to do it?
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How to list containers in Docker
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To show only running containers use the given command:
docker ps
To show all containers use the given command:
docker ps -a
To show the latest created container (includes all states) use the given command:
docker ps -l
To show n last created containers (includes all states) use ...
Flask-SQLalchemy update a row's information
...auth_token_required
def post(self):
json_data = request.get_json()
user_id = current_user.id
try:
userdata = User.query.filter(User.id==user_id).update(dict(json_data))
db.session.commit()
msg={"msg":"User details updated successfully"}
code=200
except...
How can I pass an argument to a PowerShell script?
There's a PowerShell script named itunesForward.ps1 that makes iTunes fast forward 30 seconds:
7 Answers
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Generate a random date between two other dates
...()
fake.date_between(start_date='today', end_date='+30y')
# datetime.date(2025, 3, 12)
fake.date_time_between(start_date='-30y', end_date='now')
# datetime.datetime(2007, 2, 28, 11, 28, 16)
# Or if you need a more specific date boundaries, provide the start
# and end dates explicitly.
import dat...
What's the best way to send a signal to all members of a process group?
...rom a server start or a shell command line.) You can discover process groups using GNU ps as follows:
ps x -o "%p %r %y %x %c "
If it is a process group you want to kill, just use the kill(1) command but instead of giving it a process number, give it the negation of the group number. For exam...
Linux/Unix command to determine if process is running?
...ome operating systems. A definite fail safe would be to use the following: ps cax | grep command
The output on Gentoo Linux:
14484 ? S 0:00 apache2
14667 ? S 0:00 apache2
19620 ? Sl 0:00 apache2
21132 ? Ss 0:04 apache2
The output on OS X:
42582 ...
How to run a PowerShell script from a batch file
...trying to run this script in PowerShell. I have saved the below script as ps.ps1 on my desktop.
8 Answers
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How to continue a Docker container which has exited
...r after it exited and your changes are still there.
docker start `docker ps -q -l` # restart it in the background
docker attach `docker ps -q -l` # reattach the terminal & stdin
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