Tagged Questions
2
votes
2answers
313 views
How do I prevent a script from terminating when the shell exits?
In particular, I created a script to start Firefox which I double-click and choose 'Run in terminal,' but when the shell exits Firefox is killed immediately.
How do I prevent this from happening?
5
votes
5answers
2k views
Unix bash script check empty gz files
I'm trying to write a bash script that will go into a directory loop through the .gz files and delete them if they are empty (ie the uncompressed file contained within in empty.
I've got a couple of ...
8
votes
4answers
12k views
How to inject keystrokes via a shell script?
I'm trying to inject keystrokes into the input daemon so as to simulate typing from a Bash script. Is this possible, and if so, how can I make it happen?
15
votes
4answers
1k views
How Does Linux deal with shell scripts?
For this question, let's consider a bash shell script, though this question must be applicable to all types of shell script.
When someone executes a shell script, does Linux load all the script at ...
13
votes
4answers
7k views
What is the meaning of $? in a shell script?
When going through one shell script, I saw the term "$?". What is the significance of this term?
6
votes
4answers
1k views
How to extract logs between two time stamps
I want to extract all logs between two timestamps. Some lines may not have the timestamp, but I want those lines also. In short, I want every line that falls under two time stamps. My log structure ...
4
votes
4answers
3k views
How can I assign an initial/default password to a user in Linux?
I found a guide that explains how to set a user's password. I'm trying to automate it and send an e-mail to the user like:
userid created with password XYZ.
request to change the initial password.
...
2
votes
2answers
930 views
Concatenate multiple files under subdirectories
My directory structure is given below
x:\Project_2012-158A\Sample_4041
SampleSheet.csv
4041_CGTACG_L002_R1_001.fastq
4041_CGTACG_L002_R2_001.fastq
4041_CGTACG_L006_R2_001.fastq
...
1
vote
1answer
484 views
Command/scripts to check the Reverse DNS Lookup time
I am working on a project in which one master communicates with numbers of slaves. For that it has to make connection with hosts in network. But sometimes it hangs.
I think that the reason behind is ...
0
votes
2answers
366 views
Is a shell script is a programming Language [closed]
This is the first question in UNIX:
I was started shell script from 2 days before.
But I have a conflict: is a shell script a special programming language for a specific shell??
11
votes
5answers
8k views
Check if folder is a mounted remote filesystem
What is the best way (reliable, portable, etc.) to check if a given folder is on a mounted remote (nfs) filesystem within a shell script?
I am looking for a command that would look like:
...
8
votes
0answers
208 views
how to get exit status from the command before the last [duplicate]
I have solaris machine ( solaris 10 )
please Look on the following simple commands (haconf -makerw | grep -iq "Cluster already writable")
# haconf -makerw
VCS WARNING V-16-1-10364 Cluster ...
3
votes
1answer
131 views
Automatically detect when a file has reached a size limit
I would like to send an email when a file reach a certain size limit.
The only way I thought of doing this is by doing a cronjob which will check the file size and send the email if the file is ...
2
votes
1answer
75 views
Accumulate Filename in a Log file using shell script
I have files with their names as
ABC_-_123321.20140505_-_161500.CSV
ABC_-_654145.20140506_-_135020.CSV
String_-_SerialID.Date_-_Time.CSV
StartDate, StartTime, EndDate and EndTime are given as ...
2
votes
1answer
1k views
Start 4 programs on startup in Linux Mint via terminal
I'm working on a project and I hope you can help me solve a problem.
I have four programs that are written in C. They have been compiled using gcc and they work as they should. Because the four ...
1
vote
2answers
133 views
Run jar on startup in all *nix based systems
I have a jar file which I need to run at startup in all distros of Linux. My previous question here, gave me an idea a rough idea on X-servers. Since I wasn't able to perform startup, I moved on to ...
1
vote
2answers
93 views
How do i move a pieces of data between two words if the data has a % percent symbol at the begining?
I have a log file looking somtheing like :
SWEs-elmPCI-A-01(config)#
class AutoQoS-VoIP-RTP-Trust
^
% Invalid input detected at '^' marker.
SWEs-elmPCI-A-01(config)#
...
0
votes
2answers
150 views
file command + how to view all results from file command
I use the file command in order to verify if file (PATH) is text/ascii file or encrypted file
Because file command have allot of results ( small example in example 1 )
I want to get the all ...
