Questions tagged [watch]
watch - execute a program periodically, showing output fullscreen
39
questions
0
votes
0
answers
83
views
Simplify NETSTAT monitoring output
I'm monitoring suspicious incoming connections using
sudo watch -n 30 "netstat -antp"
which provides more information than I need, so based on the answer I found here,
I've tried to ...
0
votes
1
answer
698
views
How can I watch a folder on an sftp server for new files?
I log in to a sftp server, and to see the files I type ls. Is there any way to recursively watch a folder? For now I just keep typing ls -tlh. Is there a way for that to happen without me typing it? ...
- 101
1
vote
0
answers
150
views
Utilize `fswatch` to improve `rsync`'s speed?
I have some huge folders containing about 40000 files (and much, much more gitignored files like node_modules), and I want to rsync to a remote machine.
Currently, I use a simple script like run_rsync;...
- 123
0
votes
1
answer
809
views
watch --color doesn't work when a pipe is involved?
The following demonstrates that watch works with color, but not when a pipe is involved.
$ touch test.txt
$ ls | grep --color test.txt
test.txt # This IS colored ...
- 1,572
-2
votes
2
answers
1k
views
BSOD Clock watchdog timeout Windows 10
ISSUE OS:
Windows 10 Enterprise.
HARDWARE:
MSI X370 SLI PLUS, Ryzen 1600, 32GB DDR4 2133, 250G SSD, 850W TT Gold PSU and Gigabyte RX580 8GB
ISSUE DESCRIPTION: Fresh install, OS works, installed ...
- 21
1
vote
1
answer
960
views
Watch + pipe + multiple arguments
I have a command diff -y <(xxd FILE) <(xxd FILE_) | colordiff and i want to put it into watch routine. Something like that:
watch -n 0,1 'diff -y <(xxd FILE) <(xxd FILE_)'
But i have an ...
- 13
2
votes
1
answer
3k
views
Using watch command with "echo -e"
I want to monitor rows of a dynamic file and I use watch command for this. I have 2 files: test-status and iplist_test. I control something in iplist_test and I type this output to test-status. ...
- 795
2
votes
1
answer
52
views
Separating files in watch command
I have 3 files and I want watch the changes of these files with 'watch' command. But these 3 files have a lot of row and I just want see the last 3 rows with 'tail'. There is no problem at here. I can ...
- 795
0
votes
1
answer
397
views
Integrating "watch" with "top" logging until finished - HOW?
I stumbled across this link: "watch" the output of a command until a particular string is observed and then exit
I know the PID of the process. I want to log the process "resource-...
- 103
0
votes
0
answers
110
views
Watch folder and rename file extension
Good day, I'm trying to find a way to watch a folder, and as soon as it see's an xml file/s, it will change it's extension to .txt
I am trying to do this in powershell, hope this question find you ...
- 13
3
votes
1
answer
135
views
Is there a Unix command to record changes to output of another command?
I have a long running operation that affects some state.
That state is shown by running a certain command, say showst.
I want to see have a log of all the possible outputs showst will display during ...
- 131
4
votes
1
answer
4k
views
How do I live monitor on linux what files get accessed created modified and deleted?
How do I monitor from this moment on what files get accessed / modified / created / deleted. (in live mode), similar to fseventer / fslogger?
- 95
8
votes
2
answers
8k
views
Watch with awk command
How do you watch a command like?
awk 'NR%2==0 {printf "%s %8.0f", $1, $5}' filename.txt
Preceding this with "watch" gives this error:
awk: cmd. line:1: fatal: cannot open file `{printf' for reading ...
- 227
1
vote
1
answer
2k
views
Detecting new USB devices with bash?
I'm writing a bash script that needs to detect when a usb storage device is inserted and assign it to a variable that would otherwise, typically look something like: usb=/dev/sdb.
I have a few ...
- 2,651
29
votes
3
answers
12k
views
How do I get systemctl to print in color when being interacted with from a non-tty?
When I run a command like this:
# systemctl status plexmediaserver
I get nicely colored output. But when I run the following command:
# watch -n300 --color systemctl status plexmediaserver
Is ...
- 696
0
votes
1
answer
58
views
Using "watch" to detect difference in value and write to a file
I am trying to catch the cause of an intermittent %CPU spike in a server with the command:
watch -n .5 "ps aux | sort -rk 3,3 | head -n 2"
where it displays the process with the highest %CPU every .5 ...
- 51
2
votes
1
answer
554
views
Preserve colors with watch -n
I am running
watch tail -n 15 20151217.log
and my output looks like
12-17 04:42:52 DEBUG [31mXYZT 10 91.5[0m
Instead, I want to see it as colored text. What can I do?
I don't want to use ...
- 121
1
vote
2
answers
767
views
"awk" not working when using it with "watch"
In order to watch my IPv6 traffic totals I want to run this command:
netstat -s -6 | grep -i octet | grep -vi cast | awk '{ print $2/(1024*1024*1024) }'
combined with "watch -n1", so it gets run ...
- 21
4
votes
1
answer
628
views
Function using watch on command with command line arguments
I want to run watch on a command which uses an optional command line argument, like this:
function queue() {
watch -n 10 'squeue -p ${1:-default} -o "%.8i" '
}
but the command-line argument isn'...
- 549
0
votes
2
answers
91
views
Copy file on file change in Windows 8.1
I would like to set up a rule in Windows 8.1 to copy a certain file to another location whenever it changes. How can I accomplish this?
- 177
0
votes
2
answers
87
views
Combine the results of a CAT and TAC in a single window in Linux
I have two log files which I would like to view on my screen simultaneously. Below you can see my commands:
pi@raspberrypi ~ $ watch -n 1 tac /home/pi/log/log.txt
pi@raspberrypi ~ $ watch -n 1 cat /...
user414196
0
votes
1
answer
1k
views
Any apps that auto sync local to remote on save for mac?
Does Panic's Transmit has this feature? For example you set it to watch a particular folder, and any file changes in that folder gets uploaded to the remote automatically?
They were highly ...
- 921
1
vote
1
answer
215
views
Show last 5 opened processes in terminal?
I am trying to have a terminal showing the last 5 processes opened. This is helpful for my debugging.
At this point I have
watch ps -ef --sort=start_time
This works fine but it shows all processes ...
- 1,574
2
votes
1
answer
1k
views
watch mysql output w/ tabular columns
how come when I run a mysql query and dump the results to stdout I get a pretty printed table
ie:
> mysql -e "describe <table>" <database>
+------------+--------------+------+-----+----...
- 961
0
votes
3
answers
971
views
Linux watch command: "--differences" not working
I would like to use the linux watch command and have seen that there may be a "culmulative" (--differences=) parameter but this doesnt appear to be working.
Basically I would like to do the following ...
Marty Wallace
4
votes
2
answers
5k
views
Continuously check netstat output for a particular program
I have a android emulator running on port 5554. I want to continuously watch the netstat output concerning emulator stuff.
Right now I have to manually execute this command every time
sudo netstat -...
- 359
9
votes
4
answers
7k
views
How do I use the watch and jobs commands together in Bash?
How do I use the watch command with jobs command, so that I can monitor when a background job is finished?
I execute it as follows, but I do not get the output from jobs:
watch jobs
If I run jobs ...
- 992
5
votes
4
answers
2k
views
Is there a linux command that lets me color-code the result of another command?
I'm running a watch on a command to monitor the number of open connections for a service we're diagnosing. I need to keep an eye on it while doing other work, to help other developers identify when ...
- 1,836
2
votes
2
answers
2k
views
Run two watch commands simultaneously
I want to run two executables in the foreground by typing one line of code or running a shell script. These executables watch a directory and recompile some code while outputting their status to ...
- 917
3
votes
1
answer
2k
views
How can I get gnu watch to run in the background?
If I start a watch command in the background, it stops. Bringing the job to the foreground makes it run again, but I want this to run in the background.
$ watch ./do-something.sh &
[1] 97673
[1]+ ...
- 212
47
votes
8
answers
82k
views
Store the output of date and watch command to a file
I am a newbie to linux and I am trying to watch a command and try to log it into a file. I tried
watch -t -n 10 "(date '+TIME:%H:%M:%S'
; ps aux | grep "pattern" | wc -l)" >>
logfile
and am ...
- 613
2
votes
2
answers
1k
views
Changing terminal size affects the output of grep inside a watch command
If I run a command like:
watch "ps -ef | grep '^foo.*bar'"
and the matching output line of ps -ef is a long line like
foo <lots and lots of text here> bar
whether this line is output is ...
- 997
23
votes
3
answers
22k
views
Using the watch command with an argument that contains quotes
I'm trying to get watch to work correct with commands that contain quotes, and the watch man page isn't very detailed about how quotes work. To give a concrete example, how can I run the following ...
- 997
1
vote
1
answer
247
views
How can I fix a problem with standard error screwing up the output of watch?
Specifically, I am trying to run the following command on both CentOS and Fedora14 (same issue with both)
watch sudo jmap -heap 31945
However, there are a few lines of standard error that screw up ...
- 997
5
votes
1
answer
309
views
Command-line tool to measure how fast a file is growing?
Is there a command-line tool to measure how fast a text file is growing, in units of lines/second?
For small-ish files, I can do something with watch and wc -l, but that measures the file anew each ...
- 335
224
votes
4
answers
55k
views
Using watch with pipes
I'd like to run this command:
watch -n 1 tail -n 200 log/site_dev.log | grep Doctrine
But it does not run, because "I think" that the grep tries to run on the watch instead of the tail...
Is there ...
- 2,589
88
votes
4
answers
37k
views
bash watch command with colors preserved
From man watch:
Non-printing characters are stripped
from program output. Use "cat -v" as
part of the command pipeline if you
want to see them.
So how do I use cat -v if I want to see the ...
- 2,738
3
votes
3
answers
8k
views
TV Tuner to record / show multiple channels at the same time [closed]
I need a cheap mode to record / watch multiple TV channel at the same time on a single PC.
Can anyone recommend me any solution(TV Tuner, Application) that can help me solve this problem?
- 310
0
votes
6
answers
4k
views
How to block website from reading my IP?
I want to watch videos on a website but I can only access my country's version. Whenever I type in say .ca (Canada) instead of .il (Israel), I get redirected to .il.
How can I surpass that?
Gal