Programming in an Interpreted language executed by a running Shell

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3
votes
1answer
160 views

How to schedule a Cron job for the second to the last day of each month

I want to schedule a task for the second to the last day of each month. I have read this great article about shell scripting the execution. I have also seen that you can use "L" to represent the last ...
0
votes
0answers
12 views

Quoting / escaping / expansion issue in “command in a variable” [migrated]

I want to run a command such as this in a bash script: freebcp <authentication and other parameters> -t "," -r "\r\n" When run directly on the command line, the command works as expected. But ...
0
votes
4answers
4k views

Command does not execute in crontab while command itself works just fine

I have this script from Colin Johnson on Github - https://github.com/colinbjohnson/aws-missing-tools/tree/master/ec2-automate-backup It seems great. I have modified it to send email to myself every ...
0
votes
1answer
27 views

Why is permission denied during pssh?

I am trying to add an ssh public key to a bunch of servers authorized_keys file. My thought was to use pssh and a list of hosts. To test, I tried to pssh to one host: pssh -i -H root@host echo ...
0
votes
0answers
18 views

Different result from a bash function [migrated]

I am trying to code a script to log all commands executed on a server, currently I have 2 versions: (simplified version of the scripts) Version 1: function fc { fc -ln -0 } trap fc DEBUG ...
-4
votes
2answers
40 views

What does this shell script mean? [closed]

#!/bin/bash /usr/sbin/ntpdate ntp.jst.mfeed.ad.jp I found such a script file,maybe it is used to confirm the time, can you explain it in detail?
1
vote
0answers
27 views

Running inotifywait on startup of machine

I want to start this inotifywait script on startup of the machine, in order to monitor the folders from the moment of booting: #!/bin/bash while inotifywait -r -e ...
2
votes
0answers
121 views

error in killing tshark from shell script

I'm getting this error: *** glibc detected *** /usr/sbin/tshark: double free or corruption while doing as below, any idea why? #!/bin/bash trap 'my_exit; exit' SIGINT SIGQUIT count=0 ...
-1
votes
0answers
5 views

how to export nam of logged in user correctly? [migrated]

I have the following script here. #!/bin/bash #some initial variables DLURL=https://raw.github.com/horvan/drubuntu/master DIRURL=/opt/.drubuntu #Get files to run the installation wget -O ...
4
votes
1answer
37 views

Script does not run under Domain Administrator

Server running 2003R2. I have a script, which basically sets a variable, which then uses it to name a backup file. I have given the exact script here: echo > "%temp%\tmp.vbs" wscript.echo 10000 ...
1
vote
0answers
40 views

SSH issues: keyfile and host file not working as expected

When I login to server with a key ssh -i /home/me/.ssh/id_rsa server everything goes without glitch. The key is authorized on the server. However if I try to do same from a shell script, I get a ...
1
vote
3answers
5k views

Cannot get Exchange PowerShell script to run under Scheduled Tasks

I have a PowerShell script that works when entered directly into the PowerShell. The PowerShell program is run with the shorcut: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe ...
0
votes
1answer
55 views

Executing local function code on a remote server

I am updating about 20 bash scripts that perform various server-side operational tasks, checking status / sending reports etc. On some environments these scripts will run locally, on others they need ...
-2
votes
1answer
70 views

How to insert text from a file into another in bash [closed]

The content in fileA is: Here’s the ip list. ip: 2.2.3.4 ip: 2.2.3.5 ip: 2.2.3.6 ip: 2.2.3.7 The content is fileB is ip: 1.2.3.4 ip: 1.2.3.5 ip: 1.2.3.6 ip: 1.2.3.7 How to use sed command or ...
0
votes
0answers
9 views

find running ec2 instances and compare with tag like “linux” running instances or get mail whose running without tag. vai shell script

with help of code: Array3=ec2-describe-instances | grep INSTANCE | grep running | awk '{print $2,$5,$9,$10}' Array2=ec2-describe-tags --filter "resource-type=instance" --filter "key=linux" | awk ...
1
vote
0answers
69 views

Powershell-Script is not exectued correctly

I have a power-shell-script which is called by a batch-file. The batch calls the script after it has set the execution policy to unrestricted. Currently the script does nothing more than writing a ...
15
votes
4answers
38k views

How do I sleep for a millisecond in bash or ksh

sleep is a very popular command and we can start sleep from 1 second: # wait one second please sleep 1 but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 second ? ...
1
vote
1answer
47 views

Mysql optimize one table in all databases

I see in the mysqlcheck manual that there's an option for --tables that overrides that databases option, but it isn't well explained. I'm trying to run mysqlcheck -o and I want it to optimize a ...
-1
votes
1answer
172 views

Bash Script - Expect does not send password that ends with $!. Also need improvement to report connection timed out

Update: Password issue is fixed and connection timed out message was fixed too. Adding \ before $! worked. Example: *password\$! set passwds { *password\$! @tempP@ss %Test4%} For connection timed ...
3
votes
3answers
83 views

How to pass command output as several arguments to another command

I have a command that produce a output like this: $./command1 word1 word2 word3 I want to pass this three words as arguments to another command like this: $ command2 word1 word2 word3 How to pass ...
1
vote
1answer
80 views

Operator \> and \< (string version comparison) are not recognised in shell script

I am trying to run Casandra nodetool and getting warnings coming from .sh script. [root@d11ca4cc-fa95-c8a9-e133-e64c434f0e6f ~]# nodetool status /opt/local/share/cassandra/bin/nodetool[53]: .[97]: ...
-1
votes
2answers
117 views

Delete all files except the newest of each day

I have dump directory that is filled at the rate of one file per 4 hours. I wish to keep all files for a week then delete all except the newest of each day. Bash is preferred though other solution ...
0
votes
3answers
121 views

how to run the dialog command with proccess

Please look on my code – ( bash script ) I want to display both dialogs on the screen on the same time, one dialog display the: tail –f from - /var/log/proccess1.log , and the second dialog ...
0
votes
2answers
63 views

While loop does not return control

The following shell script works only for first server and does not loop to the next. I tried 0< before the ssh command but it still does not return to the shell script once connected. #!/bin/sh ...
0
votes
1answer
68 views

Cronjob for a bash script pauses for 2 minutes randomly

I have been running a bash script on CEntOS 5.5 machine that checks replication on a remote mysql server. The script creates a temporary lock file and is scheduled to run in Crontab every minute. But ...
1
vote
0answers
72 views

Bash and background processes PGID and receiving signals

My actual problem is that a process I run in an rcfile in docker as docker run container bash --rcfile rcfile remains attached to the bash session by sharing the PGID which means that when I Ctrl-C an ...
1
vote
2answers
197 views

Which open source program is similar to the Linux “dialog” command? [closed]

The linux dialog command is a great tool for creating dialog boxes in terminal windows (e.g. in a bash script). However, there is a drawback of dialog which is that the window is always positioned in ...
3
votes
1answer
161 views

How to view two dialog boxes on the linux console, running on the same time?

I want to view on the Linux console two dialog windows on the same time. I want a window that views the progress BAR, and the a second tailbox that view the logs are running. The problem is that the ...
0
votes
2answers
302 views

Bash: Execute command from variable without eval

I have a problem with a script which should execute a curl command composed from the given arguments. It works if I use eval in the subshell, however, I would like to avoid that as it seems to be bad ...
4
votes
2answers
3k views

Unix separate multiple commands which has '&' (execute in background) in the end

To separate regular commands in Unix is to put semicolon in the end like this: cd /path/to/file;./someExecutable; But it seems not working for commands like this: ./myProgram1 > /dev/null & ...
-1
votes
2answers
357 views

Read mail from Postfix using shell script [closed]

I would like to be able to read incoming mail from a Postfix MTA using a shell script. The shell script should be able to retrieve the mail headers, subject, body, attachments, etc., then mark the ...
1
vote
3answers
2k views

Running ssh-agent from a shell script

I'm trying to create a shell script that, among other things, starts up ssh-agent and adds a private key to the agent. Example: #!/bin/bash # ... ssh-agent $SHELL ssh-add /path/to/key # ... The ...
0
votes
1answer
188 views

unable to run the script in linux using plink

I'm unable to run a script in linux using plink.exe. I'm using my user x to login and script is under y user, which I need to sudo to y and run it. I was able to at command prompt manually but not ...
-2
votes
1answer
65 views

how to write a script to get ifInOctets and ifOutOctets? [closed]

Can any one help me with writing a script to get ifInOctets and ifOutOctets from a server 10.38.2.24 ? I need help
0
votes
1answer
70 views

Bash function hangs while command run perfectly without function

Following function hangs : ssh() { local RESULTS; RESULTS=$(ssh $USERNAME@$SERVER $SSH_COMMAND1); echo $RESULTS; } ssh; while if i run following commands they work fine : ...
0
votes
1answer
590 views

Passing variables in kickstart

I have a kickstart file that takes a hostname in the %pre section. I cannot seem to figure out how to get it two the first. As you see it sends the server information to another device which then ...
0
votes
1answer
459 views

ways to automatically fix line endings in shell scripts or files who break with ^M

Problem We regularly break our files lines endings and things stop working without us noticing. Bash complains about "invalid option" or ": command not found" as described here: ...
3
votes
3answers
641 views

Year Month day from file name in shell script

I hava file names like below adn_DF9D_20140515_0001.log adn_DF9D_20140515_0002.log adn_DF9D_20140515_0003.log adn_DF9D_20140515_0004.log adn_DF9D_20140515_0005.log adn_DF9D_20140515_0006.log ...
1
vote
1answer
235 views

Replacing LineFeed \x0a with SED

I have to delete lots of Linefeeds (Hex \x0a) in a logfile. I just have sed to solve the problem. It is a bit complicated I know.. Do you have idea how to solve the problem? Here is an example ...
0
votes
2answers
278 views

Moving files using sftp

I am trying to move files from one location to another on the remote server using sftp below: for i in a b c d do sftp $REMUSR <<EOM>>$OUT 2>&1 rename ...
2
votes
2answers
1k views

Can I change the ownership of all the files of a specific user?

Is there a way to recursively find all files owned by a user and change them to another user/group in Gnu/Linux? I assume there must be some magic one liner but my command line wizardry skills are ...
2
votes
3answers
13k views

How to run a script automatically on system startup in centos

I've successfully installed TeamCity ib CentOS 6.2 Minimal. I'm stuck on trying to run a script automatically on system startup: /opt/TeamCity/bin/teamcity-server.sh start I've googled around and ...
0
votes
1answer
93 views

How do I write a script that compares folder/symbolic-link names from two diffrent folders?

I need help in writing a script to create symbolic links. Here is a script that I have been running on background. #!/bin/bash SOURCE="/home/$USER/www" DEST="/var/www" while true; do find $SOURCE ...
0
votes
3answers
192 views

Bash script: compare paths issue

I'm working on the bash script that iterates over the list of files. I need to compare the paths to this files with the array containing the restricted paths. Inside the for loop I get a path to a ...
2
votes
1answer
38 views

Inspecting how $PATH gets created

Is it possible to "listen" to a variable's value during the start of a new shell? I have a script that checks for the $PATH variable in the typical places, but I'd like to try something different. ...
-2
votes
1answer
37 views

Ubuntu shell: Get tomorrow's weekday [closed]

I have a shell script for backups and I need the Weekday of tomorrow. $Today = $(date +%a) #$Tomorrow = ?
0
votes
3answers
421 views

Exclude with the find command [duplicate]

I need some help getting the find command to work right in a script working on. I need to be able to exclude some directories. Below I have what I'm doing as a work around. sudo find / ( -name ...
4
votes
1answer
454 views

Shell script: the child process do not terminate in linux

I have written a shell script to initiate three background process in the same time. In shell script I am trying to wait for all children to finish their job and then the parent job to terminate. But, ...
0
votes
2answers
443 views

Script for search string inside the file for every one hour

I need to write a script where the particular string(alphanumeric) should be searched inside the file with every hour for whole day. And the search should not contain the previous hour results. Time ...
2
votes
1answer
604 views

Terminate remote process when backgrounded ssh session is terminated

So right now I have a bash script that runs a command on a remote machine using ssh. The machine running the bash script is a Linux machine and the remote machine is a Windows machine running cygwin. ...