A form of computer programming that — in the context of system administration — lends it self well to automating tasks.

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9k views

Is there a way to prevent Thumbs.db from being created, on the SERVER side?

I have some scripts running on files located on a shared drive on a Win2003 Server. I need to look at the images on any number of PC's in our network.. so every time I browse these folders, the ...
7
votes
4answers
2k views

Vim - Trigger action\script on save\write?

This might be better for super user, but I figure as a tool of the trade it might be a better topic for here. I find often when editing in vim that I exit out, run some script that I am testing, and ...
7
votes
1answer
243 views

How do I remotely issue a CLI command to thousands of Windows domain computers at once?

I need to issue a CLI command (cmd.exe or PowerShell) to all of the thousands of computers on my domain. For obvious reasons, this is not going to involve doing the task manually, or physically ...
7
votes
3answers
783 views

Delete a windows group in Active Directory

I am doing a cleanup of some AD groups that are no longer used. One of the AD groups I could not delete because it seems that a member has this group set as the primary group (which I assume someone ...
7
votes
7answers
14k views

How do I read multiple lines from STDIN into a variable?

I've been googling this question to no avail. I'm automating a build process here at work, and all I'm trying to do is get version numbers and a tiny description of the build which may be multi-line. ...
7
votes
1answer
8k views

AppCmd to create a virtual directory in default web site in IIS7

I try to create a virtual directory under the "Default Web Site" in IIS 7 using AppCmd. First I however like to see if one already exist. How can I use AppCmd to create a virtual directory under the ...
7
votes
3answers
83 views

PowerShell: Get-ADUser Properties with åäö

I'm trying to extract select sets of users with Get-ADUser. The users belong to companies whose names include non-ASCII characters, e.g. "Gåäördet". Unfortunately, we do have to use the company ...
7
votes
3answers
219 views

How to safeguard a shell script against running out of control?

I've recently had an experience of writing a shell script which crashed a server (and damaged a partition) by consuming all resources. It was hooked up to a cron job, and it seems it took longer to ...
6
votes
9answers
1k views

Successfully, permanently ban a user from a website? [closed]

I have a social networking website and I want to ban a user from the website. I've added his IP address to the ban list in the .htacess file and to the php level for banning that user, but he keeps ...
6
votes
8answers
14k views

How to find the gateway IP address in Linux

What command can you use to find the Gateway IP Address (ie. home router address) for eth0 in Linux? I need to get the IP address from a command line app to use in a shell script.
6
votes
4answers
276 views

How to determine how many shells deep I might be?

I'm wondering whether I've called the shell recursively, is there an easy way to find out? Is any solution specific to the shell? I'm using bash.
6
votes
4answers
13k views

How can I prevent a scheduled task from running if the same task is already running?

I have written a php script to check if there are any new files in a folder and, if any new files exist, upload them to a server. These files can be quite large. I want to run this script ...
6
votes
5answers
3k views

Bash snippet for killing a process until it's dead?

I'm trying to write a robust bash script, and in it I create a background process. At the end of the script, I want to kill it. I have it's PID. I was thinking of somthing like this while [[ ps ef ...
6
votes
5answers
19k views

Can the Windows telnet client be scripted?

Is it possible to use the Windows Telnet client to run a series of commands in a script? If not are there any alternatives that can be?
6
votes
6answers
18k views

Delete temporary files from batch script in xp

I'm looking for a good batch script that would quickly find & clean all the known safe temporary folders/files from Windows (as many variants as possible) machines (e.g. the windows temp folder, ...
6
votes
5answers
2k views

Do Windows batch files have a %* construction?

In a batch file, do I have to do (e.g.) the following? @echo off call other.bat %1 %2 %3 %4 %5 %6 %7 %8 %9
6
votes
7answers
5k views

how to write a script that only acts on new log entries

I feel like this should be a simple thing but I am having a hard time figuring it out. I am trying to write a script that will monitor one of the apache log files and take some specific action. But ...
6
votes
4answers
8k views

Is it possible to run a command on windows server from Linux?

I want to restore a sqlserver db backup on remote windows server from linux. I tired "net rpc" but there is nothing for execute a command or script on remote server.
6
votes
3answers
464 views

Run shell script on a command

I want to run a shell script when date -s <string> command is used. For example i want to log the command to the file /tmp/user.log by executing the following command in the shell script ...
6
votes
2answers
2k views

Where do you share or find useful powershell, bash, batch, vbs, scripts?

I just wrote a quick little powershell script to make my life easier for a task that I was facing. I thought it would be nice to put it on the Internet, where someone else may also find it useful. The ...
6
votes
4answers
8k views

How to parse and convert ini file into bash array variables?

I'm trying to convert an ini file into bash array variables. The sample ini is as below: [foobar] session=foo path=/some/path [barfoo] session=bar path=/some/path so these become: ...
6
votes
1answer
432 views

Bash script parameters

I need to write a bash script, and would like it to parse unordered parameters of the format: scriptname --param1 <string> --param2 <string> --param3 <date> Is there a simple way ...
6
votes
7answers
2k views

Need a script/batch/program that runs a command that won't be killed when the parent is killed

The scenario I use Zabbix to monitor my servers and recently I wanted to add some more metrics for the Windows ones. For security reasons, I used Zabbix's User Parameter feature, but it limits the ...
5
votes
5answers
596 views

Bash: mv directory one at a time

I am trying to move all subdirectories of a folder to another share on the same server. If I do a mv *, I will run out of space since the folders are not removed until all folders get transferred. ...
5
votes
10answers
4k views

Scripting alternatives to Bash shell scripts

I have just migrated to a UNIX workstation. My memory of Bash shell scripts has faded since school and I find the syntax to be highly confusing. I am wondering what other scripting languages are ...
5
votes
3answers
391 views

Bash variable assignment using another variable as part

I have the following excerpt from a bash script used to backup a database #!/bin/bash DB=database_name DBUSER=username FILENAME=$DB_$(date +%s).sql I am trying to reuse the value of DB within the ...
5
votes
7answers
6k views

Get Latest Tag From Subversion

Is there a way to determine the newest tag in subversion? For an application I've deployed the client needs to have another server that they can access in case the live server goes down. There is ...
5
votes
4answers
12k views

How to Automatically and Temporarily block an IP address making too many hits on the Server in a short timespan?

One of my LAMP servers was recently brought down by some kind of script bot looking for exploits. From the looks of it, it was making so many requests a second, that it overloaded the RAM on the ...
5
votes
7answers
23k views

script to automatically test if a web site is available

I'm a lone web developer with my own Centos VPS hosting a few small web sites for my clients. Today I discovered my httpd service had stopped (for no apparent reason - but that's another thread). I ...
5
votes
4answers
11k views

Find GUID of MSI Package

How can I find the GUID of an MSI package? I would like to script the removal of a program on a large number of desktops by using: msiexec.exe /x ProductCode Any reason why this would not work ...
5
votes
4answers
7k views

Perl or Python, better suited for Unix system automation?

I have been using bash for most of my system administration tasks. I also know a bit of perl. Should I learn Python or Perl is better for system automation. So far from my experience learning perl ...
5
votes
6answers
2k views

How to remove a tagged block of text in a file?

How can I remove all instances of tagged blocks of text in a file with sed, grep, or another program? If I have a file which contains: random text // START TEXT internal text // ...
5
votes
5answers
5k views

BSD - Remove non-ascii characters from all files in a directory recursively

I'm trying to migrate a bunch (300GB+) of files from a FAT32 drive to my freeNas ZFS filesystem but every command I throw at it (tar,pax,mv,cp) throws an 'invalid argument' when it encounters a ...
5
votes
5answers
1k views

Powershell recursive WMI query

I'd like to start at the top of a WMI namespace, recurse through all the objects, then recurse through each object's property list, filtering out and returning to console only those properties that ...
5
votes
2answers
2k views

Tips for optimizing RHEL/CentOS kickstart workflow

I'm working in an environment that consists of CentOS systems located in multiple data centers and office locations. I've been using a reasonable kickstart with a solid post-install script, but want ...
5
votes
2answers
4k views

Windows Group Policy Startup script is not executed at startup

I have written a .cmd file which calls ten different .exe files. I am able to run this .cmd file locally, on my server, and it works fine. When I use [gpedit.msc] (Group Policy Editor) for "Computer ...
5
votes
2answers
5k views

Can the Linux ps command output be filtered by user AND command?

I need the pid for a process given its owner and its command. I can filter a process per user with "ps -u xxx" and its command by "ps -C yyy", but when I try "ps -u xxx -C yyy", they are combined ...
5
votes
6answers
5k views

Useful WMI admin scripts

In a comment to my response to this question , cop1152 said he loved WMI scripts. Well, so do I! What are your favourite, best, most useful scripts you'd like to share with the community? thanks.
5
votes
6answers
6k views

How can I run a script when my network connection changes?

I'd like to create a script to do various things when the network connection changes. For example, if the machine connects to my office network I might desire it to: mute itself change its DNS ...
5
votes
3answers
357 views

Can I create and manipulate unix “screens” in a script?

I have a work environment on my Ubuntu laptop in which I want to use three different screens. Eg. in terminal, I usually write screen -S mywork run_server_1 then, ctrl-a c to create a second ...
5
votes
1answer
2k views

Assign Static MAC address to VM Hyperv

I have a scenario that involves building out a ton of virtual machines in Hyper-V, I cannot use SCVMM and must use a scripted method to create these VMs. I have a CSV with all required information ...
5
votes
1answer
6k views

If directive not working in apache VirtualHost conf, says “Invalid command”

Why?? <VirtualHost *:80> ServerAdmin admin@mydomain.com DirectoryIndex index.php <If "%{SERVER_PROTOCOL} != 'HTTPS'"> Redirect / ...
5
votes
2answers
523 views

Is there a way to script the installation of System Center Configuration Manager updates listed in Software Center?

We have a very tight outage window and for many of our systems, the servers must be rebooted in the correct order. Because of this, I would like to script our updates. I have attempted to use this ...
5
votes
4answers
671 views

Is there a chroot build script somewhere?

I am about to develop a little script to gather information for a chroot-jail. In my case this looks (at the first glance) pretty simple: The application has a clean rpm-install and did install ...
5
votes
1answer
5k views

Cacti graph not showing

I have created php script for cacti which outputs data in format like: <variable>:<value> Output of my script: temperature:20 humidity:15 Then I created data input method where input ...
5
votes
4answers
6k views

How to script printer creation on a Windows Server 2008 R2 clustered print server?

As per subject. I've found some ways of scripting printer creation on Windows print servers using WMI, but it looks like WMI doesn't support clustered print servers (or clustered servers at all). ...
5
votes
3answers
4k views

Ubuntu Upstart script hangs on start and stop

I have an upstart script that will start a custom jetty server. When I do sudo start [myservice] nothing happens. Subsequently, sudo status [myservice] show it as: [myservice] start/killed, process ...
5
votes
2answers
2k views

Changing physical path on IIS through appcmd isn't activated

We have come across an issue on IIS 7.5 where we have a simple deploy system which consists of the following: Create a zip-file of new webroot, consisting of three folders: Api Site Manager This ...
4
votes
9answers
12k views

How to restrict the users' shell allowing to execute shell programs

Is it possible to prevent any user to not use commands like ls, rm and other system commands which could harm the system. But the users should be able to execute shell programs.
4
votes
4answers
890 views

Linux: How to change the extension of a bunch of files?

I have a directory full of files ending with .xxx. (Apple.xxx, Orange.xxx, Bannana.xxx) I want to change their extensions to .yyy. (Apple.yyy, Orange.yyy, Bannana.yyy) What's the quickest way to ...