2
votes
1answer
23 views

Fetching Remote Windows System Information From Linux Server

I need a script/command that would fetch Windows System Information (Host Name,User Name, Domain, OS Info, Hardware Info, Memory Info, processor Info, etc) by running it on a Linux Server (RHEL 6.5 ...
5
votes
4answers
515 views

generate consistent machine unique ID

Can we generate a unique id for each PC, something like uuuidgen, but it will never change unless there are hardware changes? I was thinking about merging CPUID and MACADDR and hash them to generate ...
2
votes
1answer
68 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
0answers
39 views

Scripts cannot run simultaneously on startup

I want two scripts (Server_drive, Server_video_boot) running on startup, but there is conflict between them. Specifically, there is always running the script with the lower priority. I tried with many ...
2
votes
0answers
27 views

Creating multicast join for tcpdump captures

I want to write a linux shell script which will capture specific multicast traffic. Specific as in, I want to create a pcap file that has all the traffic for one specific multicast group/port. Here ...
2
votes
1answer
68 views

After printing the previous line where the file contains a single token now need to traverse through the result to meet the requirement

I have used the below code to print the previous line where the file contains a single token #! /bin/ksh file=input.txt while read line do awk 'NF == 1 { print LAST } { LAST=$0 }' done < "$file" ...
0
votes
1answer
51 views

Disable Touchpad automatically at startup

I'm running Mint 17 Mate on a new HP250 laptop. I can turn off the touchpad by typing the following from terminal: synclient TouchpadOff=1 Now I want to disable the touchpad automatically each time ...
3
votes
4answers
152 views

How to cut everthing until a specific word / after a find in a script

Hello I try to get the output of files from today wich contains ERROR. I use this to find the files I want: find /home/user/logfilesError/ -maxdepth 1 -type f -name "gandalf_*"\ -daystart -mtime ...
1
vote
1answer
46 views

What priority should I give to a script running on startup?

I 'm running Angstrom distribution on an embedded device. I want to make use of its GPIO expansion ports, that are set to be high on start-up. Below, is the code segment, that releases an expansion ...
0
votes
0answers
38 views

Specific Jar file doesn't run on startup

I want to run a jar at startup, so I asked a question here. I was given a few suggestions, so I started from trying to create a script file and desktop file. I created a script file and desktop file ...
1
vote
1answer
51 views

Using kornshell or Perl to circumvent permissions needed by root

I have a problem where I need to change the ownership and permissions of one file that exists on more than 200 servers. I belong to 2 different groups and need to change the ownership from one group ...
5
votes
3answers
927 views

Prompt user to login as root when running a shell script

The problem I am getting is, when I enter the command, su - root at the beginning of my shell script file, it prompts the user to enter the password and then does NOT continue with the rest of the ...
1
vote
2answers
106 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 ...
3
votes
1answer
105 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 ...
0
votes
0answers
25 views

Overlapping of cron instance

While searching for a solution to synchronize cron (i.e. only one instance of cron run at at time). I found the solution, given below, on StackExchange. #!/bin/sh LOCK=/var/tmp/mylock if [ -f $LOCK ...
1
vote
2answers
102 views

How to properly launch a program and make possible to redirect its running output (stdout and stderr) at a later stage?

The problem is quite simple: I find useful to have the possibility to switch on (and off) the output of some running program in each moment I need. To be more precise I want to be free to redirect ...
3
votes
1answer
379 views

Why does the filename contains question marks when I run a script on my remote machine?

I have a tiny script that simply fetches the current date, runs a PHP script and redirect the output (and errors) to a filename containing the current date. DATE=$(date +"%Y%m%d") ...
2
votes
1answer
45 views

I'm trying to count and print song file names using awk as following

RANK NAME BAND YEAR GENERE DOMESTIC/INTERNATIONAL 206:Reach Out, I'll Be There:The Four Tops:1978:Pop:3/2 207:Bye Bye Love:The Everly Brothers:1950:Classic:3/2 ...
2
votes
1answer
51 views

Problem on running Script on host after connecting

I am new to linux scripting. Please help. I searched on below a lot but was not able to find appropriate answer : I am trying to make a script which I will later schedule as cronjob, so that it keeps ...
0
votes
1answer
97 views

How to take incremental backup in tape drive

I am having 1 tape drive and I want to take incremental backup of 5 folder to the tape drive on every Friday. But the location of the five folders are on one server and the LTO mounted on a different ...
6
votes
4answers
994 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 ...
1
vote
1answer
49 views

Shell script fails to run on startup

I want an executable program to run on startup. For this reason, I created a shell script: /etc/init.d/server. Then I run chmod +x name_of_script and update-rc.d server defaults. server (script): ...
0
votes
1answer
68 views

Recursively delete hidden directory & its files?

I want to delete all hidden directoris from a directory and its sub-directory. I also use rm -rf .directory_name this command is iterative command I want to a recursive command. Please anybody help ...
4
votes
2answers
114 views

How to kill a process started as daemon?

I start a process using foo &. It outputs something like: [1] 16915 This is the process id, I guess. How can I store this number into a variable named MY_PROCESS_ID (for example)? Then I ...
1
vote
1answer
45 views

mailx and HP-UX to RedHat migration

We are migrating some servers from HP-UX to Linux RedHat, and we have to migrate about 100 shell scripts that are referencing /usr/bin/mailx (instead of /bin/mailx on Linux). We'd like to change all ...
-1
votes
2answers
89 views

Add users from dat file

I have a dat file with names. These are the names of users I must add, without groups or passwords. Ofcourse i have to remove all spaces. I have to add them with a bash script. Can anyone help me ...
-1
votes
2answers
56 views

how to get the return value of wpa_supplicant?

My question is really simple I want to get the return value of the command wpa_supplicant, when connected to the internet, to know that I am connected or not with a shell script.
14
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 ...
0
votes
2answers
59 views

How to search '(+1)' character substring in a string

I want to search for (+1) in a string (which is a GDG dataset name to confirm if it is a GDG) and want to get a binary answer if it has (+1) as part of the string or not. Can some one please help?
0
votes
0answers
58 views

How to install libevent tmux?

I've been trying to install libevent / ncurses / tmux into '$HOME/local', but am having an issue running .configure for tmux. What I am trying to do is install it as follows: TMUX_VERSION=1.8 ...
2
votes
1answer
223 views

Find out if files in a folder exist under other name in other folder

Possibly a little incorrect English ahead: There are at least 2 folders. For this, A contains files without extension, usually usernames, and B contains similar files, with '.yml' extension or ...
1
vote
2answers
85 views

What's the difference between print and head?

I know head gives you the beginning section of a file. But in this case, I'm trying to go through my source control and find every file that has a shebang line. And I'm failing to get results when I ...
-1
votes
1answer
54 views

Remove directory without `rm -r`

How to remove non-empty directory without using rm -r or find -delete ? I think it is related to unlink, perl or inode
0
votes
3answers
78 views

remove new lines

My input is a csv file like this: 10,"Special Projects,bangaram",0,,0 10,"Statutory/ Internal Audit , MO reporting (incl Excel Spreadsheet uploadation) ", bangaram,0,,0 10,"Complience with ...
4
votes
3answers
3k views

Adding a Column of values in a tab delimited file

How can I add a Column of values in a file which has a certain number of rows. I have a input file like this: Input file: SPATA17 1 217947738 LYPLAL1 1 219383905 FAM47E 4 77192838 SHROOM3 4 ...
2
votes
1answer
153 views

bash script - need date command variable

I am trying to create a script that will parse the /var/log/secure file for failed login attempts for today's date only and redirect those attempts into a separate file so I can view those attempts ...
1
vote
3answers
204 views

What does “FILENAME=$(echo $INFILE | grep -oE ”[^/]+$“) ” mean?

FILENAME=$(echo /root/Source/code/script.sh | grep -oE "[^/]+$") I know that it would give me the file name from the file path here as script.sh. But can some one please explain me this?
-1
votes
1answer
37 views

growing up with linux scripting and online resource to learn it [closed]

Is learning Linux shell scripting good for developing own career?I use linux and very much interested in scripting. Where should I start from?
0
votes
1answer
42 views

Is it a bad idea to keep scripts in /root? [closed]

Is it a bad idea to keep scripts in /root? Simple bash scripts that have the following permissions: -rw-r--r-- They execute fine when ran as root, but is this bad practice? It's a multi-user system, ...
4
votes
2answers
206 views

Dump process's stdin and stdout

I have two processes, let's say Parent and Child. Parent launches the Child and communicates with it through child's stdin and stdout. Parent <-> Child These processes use text protocol and I ...
2
votes
1answer
70 views

Monitor setup commands do not work in script

I'm running Arch Linux 64-bit on a Samsung RV511. I often connect external monitors using xrandr. As I run LXDE with Awesome as a window manager, I need to prepare the xrandr-command by killing ...
0
votes
1answer
283 views

Basic script in Angstrom Linux running on a Beaglebone Black

On my embedded system, I can toggle a user led with: echo > 1 sys/class/leds/beaglebone:green:usr2/value. Similarly, I can find the value of a GPIO (gpio60) (set to input), with more ...
1
vote
1answer
111 views

Bash Script which can direct stdin stream to program

I am trying to create a script capable of infinitely processing an incoming stream which is piped to it, and continuous producing an output stream which can be piped to something else something as ...
2
votes
1answer
56 views

Can I apply `tmux` to a bash script?

Is it possible for me to use tmux to SSH into a Raspberry Pi, run a Bash script, and then leave the session (from my laptop), while the Raspberry Pi continues to run the script?
0
votes
1answer
100 views

How I append the data of Multiple files into one file?

I want to append data of approx 500 files into one file and each of these files are located in their respective dirs. Also How i can verify the contents of merged file e.g How i verify that data ...
1
vote
1answer
72 views

How to FILTER the files with filename and then DELETE the OLDEST file from there? [duplicate]

I create and keep the following automated backup files e.g.: fruits_29-12-2013.gz fruits_30-12-2013.gz fruits_31-12-2013.gz sweets_01-12-2013.gz sweets_02-12-2013.gz sweets_03-12-2013.gz .. ...
3
votes
1answer
242 views

Compare users out of an array with /etc/shadow file

I want to check for all users who do not have a password set. For example, a user with the following entry in /etc/passwd test01::15164: ...* has no password set. I would like to list all such ...
3
votes
1answer
128 views

USB device to be detected at the “same” /dev point always?

In Linux (actually I'm with CentOS v6.5), whenever I plug in my USB Terminal/Character Device (some kind of USB Adapter) for the first time (after booted), it is detected at: /dev/ttyUSB0 But ...
4
votes
2answers
570 views

How can I trigger an event in shell script when an USB device is removed?

I need to do some actions when a specific USB device is removed/added. I need a fast response on the order of milli-seconds. How can I do this in a shell script?
0
votes
1answer
59 views

Curl command help

I'm trying to connect to a internal tool UI, then login and later logout. The homepage is having 3 drop-down options and 2 tabs where we need to enter the IP & Port and then connect. Once ...