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Questions tagged [system-administration]

Use this tag for asking about programs you have written to perform system-administration tasks. Non-programming questions about system administration are off-topic for Stack Overflow and should not be asked here.

983 questions
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What are the limitations of the flask built-in web server

I'm a newbie in web server administration. I've read multiple times that flask built-in web server is not designed for "production", and must be used only for tests and debug... But what if my app touchs only a thousand users who occasionnaly send…
edelans
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How do I make cron run something every "N"th minute, where n % 5 == 1?

I know that I can have something run every five minutes in cron with a line like: */5 * * * * /my/script What if I don't want it running at 12:00, 12:05, 12:10, but rather at 12:01, 12:06, 12:11, etc? I guess I can do this: …
mike
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4 answers

Free DNS server for Windows XP/Vista/Win7?

I'm currently developing a security solution that should work across domains and as such I need a small private dns server to add various entries to. I could alter the hosts file to achieve the same result but since the hosts file doesn't support…
JohannesH
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How do I get a list of locked users in an Oracle database?

I want to be able to list all of the users in a given database along with an icon that determines whether they are locked or not. The problem I'm having is querying the "locked" status for a given user, I though it might have been on all_users but…
ninesided
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8 answers

When could or should I use chmod g+s on a file or directory?

In deploying to a new (Solaris 9) environment recently, one of the steps was to copy a set of files and directories to their new location and then to apply the group UID bit (using "chmod -R g+s") to all files in the directory tree giving a mode of…
Jordanhillbilly
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4 answers

How do you uninstall the package manager "pip", if installed from source?

I was unaware that pip could be installed via my operating system's package manager, so I compiled and installed pip via source with the following command: wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py -O - | sudo python I…
D.C. Rockwell
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5 answers

Python script to list users and groups

I'm attempting to code a script that outputs each user and their group on their own line like so: user1 group1 user2 group1 user3 group2 ... user10 group6 etc. I'm writing up a script in python for this but was wondering how SO might do…
Derek
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3 answers

Opening a remote machine's Windows C drive

I'm trying to locally mount a machine's C drive that is on my LAN. I need to able to browse the contents of the other machine when tracing through code. I once saw a sys admin do some crazy windows incantation from the cmd prompt. Something…
Ross Rogers
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5 answers

Comprehensive methods of viewing memory usage on Solaris

On Linux, the "top" command shows a detailed but high level overview of your memory usage, showing: Total Memory, Used Memory, Free Memory, Buffer Usage, Cache Usage, Swap size and Swap Usage. My question is, what commands are available to show…
user40626
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How can I automate running commands remotely over SSH to multiple servers in parallel?

I've searched around a bit for similar questions, but other than running one command or perhaps a few command with items such as: ssh user@host -t sudo su - However, what if I essentially need to run a script on (let's say) 15 servers at once. Is…
f4nt
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How to create System Apps in android

I want to create an system application(while installing it will ask user permission to make it as system app) for UN-rooted application. As I am not familiar in android, please tell me how to create it. Thanks in advance.
ponraj
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5 answers

Tar error: Unexpected EOF in archive

I tar a directory full of JPEG images: tar cvfz myarchive.tar.gz mydirectory When I untar the archive: tar xvfz myarchive.tar.gz I get an error: tar: Unexpected EOF in archive Looking at the output, it fails in the middle of one particular JPEG…
Cyrille
20
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5 answers

Test admin rights within PowerShell script?

Whats the best/easiest way to test for administrative rights in a PowerShell script? I need to write a script that requires administrative rights and want to know the best way to achieve it.
resolver101
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4 answers

How to find out the free disk space for a given path on a linux shell?

1) I am in some directory 2) I want to find out how much free space is left there Is there a simple command that does this? I don't want to look in fstab or whatever, having to map the devices & mount points in my mind in order to determine how much…
Michael Böckling
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6 answers

Run a linux system command as a superuser, using a python script

I have got postfix installed on my machine and I am updating virtual_alias on the fly programmatically(using python)(on some action). Once I update the entry in the /etc/postfix/virtual_alias, I am running the command:sudo /usr/sbin/postmap…
Nanda Kishore
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