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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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Which resources should one monitor on a Linux server running a web-server or database

When running any kind of server under load there are several resources that one would like to monitor to make sure that the server is healthy. This is specifically true when testing the system under load. Some examples for this would be CPU…
oneself
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Should a web server's firewall block outbound HTTP traffic over port 80?

I understand the need for putting a web server in a DMZ and blocking inbound traffic to all ports except 80 and 443. I can also see why you should probably also block most outbound traffic in case the server is compromised. But is it necessary to…
Richard Davies
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Which Desktop Virtualization software runs most smoothly?

Background: I'm running a full-time job and a part-time job in the weekends, and both my employers have supplied a laptop for me to work on. Of course I also have my powerful workstation at home to work from, and sometimes when I'm at the office at…
Christian Hollbaum
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HashiCorp Vault - Setup / Architecture in Production

I'm getting ready to setup HashiCorp Vault with my web application, and while the examples HashiCorp provides make sense, I'm a little unclear of what the intended production setup should be. In my case, I have: a small handful of AWS EC2 instances…
djt
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6
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7 answers

What would you consider good Eclipse support?

As part of my job, I'm employed to install and support development tools for the developers in the company. Eclipse is an IDE that a great deal of developers here use, but I don't actively support. With the huge range of plugins and quick release…
Spedge
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7 answers

How do I install MySQL and the Python MySQL package on OS X Leopard? Or how do I learn about being a web developer using OS X?

I'm new to the Mac OS X, and I'm just about ready to throw my brand new MacBook Pro out the window. Every tutorial on setting up a Django development environment on Mac OS X Leopard is insidiously wrong. They are all skipping over one step, or…
MikeN
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2 answers

Throttling i/o in postgres's pg_dump?

So we have a production database that is 32GB on a machine with 16GB of RAM. Thanks to caching this is usually not a problem at all. But whenever I start a pg_dump of the database, queries from the app servers start queueing up, and after a few…
user397424
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Font for mac osx that is as readable and compact as the default xterm (X11) font

The font used in xterms is extremely compact yet readable. What font is that? The closest I've found that I can use in other other applications is DejaVu Sans Mono or Bitstream Vera Sans Mono. Those are as compact as xterms vertically but take up…
dreeves
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What are the various files that could have PATH declarations for OS X Terminal in them?

So I'm having a path issue on OS X Leopard. It seems OS X is adding other paths that I'm not stating and it's messing with my path priority. I only have a .bash_login file, I don't have a .bashrc or a .profile file. My .bash_login file is as…
Tim Knight
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Windows Mobile - What scripting platforms are available?

We have a number of users with Windows Mobile 6 and need to apply minor changes. eg. update a registry setting. One option is push and execute an executable file using our device management software. I'd like this to be a little more friendly for…
Brian Lyttle
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2 answers

Why are Docker build commands running so slow in Elastic Beanstalk?

EB was complaining that my build was timing out, so I ssh'd into an instance and decided to run docker build myself to see what was happening. Every step, even something as simple as a mkdir takes ages to run. Even a WORKDIR stalls for at least a…
Kevin Wang
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How to change MySQL root password to default?

My initial installation for the MySQL had no password for root. I assigned a password for root and everything worked fine. Due to some reason (don't ask why) I had to revert back to the original settings where root didn't have any password. I…
Gaurav
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centos mysql log file date format

i'm sure the answer is obvious but i cannot for the life of me find it. I need to know at what date a specific configuration item changed for my mysqld. This config change is noted in the mysqld.log file of my server, but the date of the entry is…
prhalmen
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How do I get a list of the active IP-addresses, MAC-addresses and NetBIOS names on the LAN?

How do I get a list of the active IP-addresses, MAC-addresses and NetBIOS names on the LAN? I'd like to get NetBIOS name, IP and MAC addresses for every host on the LAN, preferably not having to walk to every single PC and take note of the stuff…
agnul
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Installing Erlang without GTK

I'm trying to get Erlang working on my Fedora server, specifically to run rabbitmq, but when I yum install erlang yum complains that wxGTK requires a bunch of packages. Wtf? Why is erlang trying to install a GUI? I intend to deploy this on a…
frank
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