All Questions
17
questions with no upvoted or accepted answers
2
votes
1
answer
122
views
Running a process in the background using &
I have created the following script:
#!/bin/bash
while :
do
echo "1" >> test.txt
sleep 1
done
If I run the command using ./exm.sh & it runs on the background as expected and it ...
- 21
2
votes
0
answers
424
views
xdotool : close all windows except the one that is active (infront)
I would like to execute a command that will close
all windows except the one that is currently active.
i would likely to place this command in the gnome-panel
which means when i click on the button, ...
- 933
1
vote
0
answers
51
views
CentOS - using PXE to install it on my host ( kickstart configuration )
I am trying to install an OS from our server through PXE ( Preboot Execution Environment ).
However, on my host, I have two disks say A ( /dev/sda ) and B ( /dev/sdb )
The default installation path ...
- 161
1
vote
1
answer
474
views
redirection - why it doesn't work this way
I know there are 3 streams attached to a process when it is run namely the input, output and error stream.
And redirection execution work from left to right.
I intend to execute a command, redirect ...
- 1,625
1
vote
1
answer
2k
views
Associate MIME Type with Shell Script?
I want to associate any file type with a .abc extension with the following shell script:
#!/bin/bash
echo arg 1 is: $1
The .abc type files just have text, but I want to ensure that opening a file ...
user326001
1
vote
0
answers
2k
views
execl: couldn't exec `/bin/sh'
I accidentally moved the whole bin, boot, dev and etc directory.
After moving everything back I get the following error email from various cron jobs:
execl: couldn't exec `/bin/sh'
execl: No such ...
- 111
0
votes
0
answers
114
views
cannot run command on Centos7
I've got a vps using Centos, the release version is 7.9. I've install the unhide in my vps.it does not work.
I've check the permission, and the file type.
but i still cant run this command . it's ...
0
votes
1
answer
129
views
Getting a Particular Binary Package from A Source Package?
(Sorry if the title is worded incorrectly - I am a newbie in this domain, so please correct me wherever I am wrong)
From https://packages.ubuntu.com/source/bionic/amd64/hdf5, I am trying to get the ...
- 101
0
votes
0
answers
223
views
Issue with add Multiple user account and SSH key using Bash script
As per our requirement we provided our devloper group: devs:r-x to /var/log/httpd directory.
What is the best way to create a user account (in my case Dev User) in a Group using bash scrip, with the ...
0
votes
1
answer
1k
views
How can I correctly run a java batch application (a .jar application) in background on a Linux machine?
I am not a system engineer (I am a software edeveloper).
I have to run a Java application (a runnable .jar file) on a Linux machine (Centos 7). I am connecting to a shell via SSH.
This application is ...
- 7,201
0
votes
0
answers
273
views
How to view or record user's active time in Linux server
I'm a server admin for a university, and we have 4 CentOS servers that students can use for their projects in various classes. The CS professors have asked me to come up with a way to track a user's ...
0
votes
1
answer
226
views
Jenkins service user to restart mongodb service
Centos 7.
Usually when I would like to run a sudo command as a non root user, I open up the visudo, and add this line to the right place:
%<userGroup> ALL= NOPASSWD: <command>
when I ...
0
votes
1
answer
436
views
Run jpegoptim in a cronjob once a week, on CentOS from within cPanel, only for files added within the past week?
I've installed jpegoptim and can manually run it via the SSH command line:
jpegoptim *.jpg --strip-all
I'd like to take that command line and put it into a Cronjob that runs once a week. I'm running ...
- 101
0
votes
1
answer
2k
views
How do I run Asterisk as user other than root?
I compiled Asterisk 11 from source as user root on CentOS. Now I want Asterisk to run as user asterisk group asterisk. I have uncommented
AST_USER="asterisk"
AST_GROUP="asterisk"
in
/etc/sysconfig/...
- 1
0
votes
1
answer
376
views
CentOS bashrc function to email on login
I've a system setup where an email is sent on a user login (line from .bashrc):
printf "user details, ip etc" | mail -s "[LOGIN NOTICE] `hostname` - `whoami`" <admin>@<domain>.co.uk
...
- 11