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1500 questions
63
votes
4 answers

Purpose of Debian "sites-available" and "sites-enabled" directories?

Can anyone tell me—in a nutshell—what the purpose of these two directories are in Debian? /etc/apache2/sites-enabled /etc/apache2/sites-available I notice that diffing sites-available/000-default and sites-enabled/default shows they are…
aaaidan
  • 732
63
votes
2 answers

What is the ipv6 equivalent of 0.0.0.0/0

When describing IPv4 networks, I can use 0.0.0.0/0 or just 0/0 to specify all networks. What is the equivalent notation for IPv6?
Andrew
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63
votes
9 answers

Tool to test a user account and password (test login)

Yeah, I can fire up a VM or remote into something and try the password...I know...but is there a tool or script that will simulate a login just enough to confirm or deny that the password is correct? Scenario: A server service account's password is…
TheCleaner
  • 33,047
63
votes
2 answers

debian packages version convention

I'm using debian/Ubuntu, and get confused about versions of packages. When using dpkg -l command, I get: ii vim 2:7.3.429-2ubuntu2.1 Vi IMproved - enhanced vi editor ii vim-common …
cizixs
  • 973
63
votes
4 answers

Mapping UID and GID of local user to the mounted NFS share

I have a server with NFSv4. I am mounting contents of the home folder of remote user to local host. Able to read and write contents, but when I am checking ownership of files at the mounted volume from the local host, they all belongs to…
Alexander
  • 733
63
votes
9 answers

Run a shell script as a different user

What's a good way of running a shell script as a different user. I'm using Debian etch, and I know which user I want to impersonate. If I was doing it manually, I would do: su postgres ./backup_db.sh /tmp/test exit Since I want to automate the…
Wadih M.
  • 1,102
63
votes
2 answers

Should I use semicolons at the end of each PowerShell statement?

I've done a fair bit of programming in C#, but then I've also written a lot of T-SQL scripts. C# requires semicolons, and T-SQL and PowerShell they're optional. What do you do for PowerShell? Why? My gut feel is to include semicolons but I don't…
Mark Allison
  • 2,278
63
votes
4 answers

Any difference between DOMAIN\username and username@domain.local?

I'm trying to troubleshoot an obscure authentication error and need some background information. Is there any difference between how Windows (and programs like Outlook) process DOMAIN\username and username@domain.local? What are the proper terms…
Josh Kelley
  • 992
63
votes
8 answers

How to prevent "ps" reporting its own process?

$ ps | grep django 28006 ttys004 0:01.12 /usr/bin/python bin/django celeryd --beat 51393 ttys005 0:01.45 /usr/bin/python bin/django celeryd -l INFO 51472 ttys005 0:01.29 /usr/bin/python bin/django celeryd -l INFO 51510 ttys005 0:01.89…
Steve Bennett
  • 6,000
63
votes
4 answers

nginx without server_name and using only static ip address?

this is my first web app deployment and am running into all sorts of issues. I am currently going for a nginx + gunicorn implementation for the Django app, but mostly this question relates to nginx configurations. For some context - nginx would…
bash-
  • 877
63
votes
7 answers

Windows command prompt: how do I get the output of a command into a environment variable?

I want to have an environment variable that contains the day of week in cmd.exe. When I run this command I get the result I want. C:\Users\tisc> powershell (get-date).dayofweek Friday Here I'm trying to store the result in an environment…
Tim
  • 731
63
votes
3 answers

Do Apache config files support block commenting?

You can use # to comment out individual lines. Is there a syntax for commenting out entire blocks? I've tired surrounding the block (specifically a block) with ..., but that didn't work.
ripper234
  • 6,232
63
votes
13 answers

What is the recommended size for a Linux /boot partition?

What is the recommended size for a Linux /boot partition? And is it safe to not have a /boot partition? I see some servers don't have a /boot partition while some servers have a 128 MB /boot partition. I am a little confused. Is /boot partition…
Tyler Liu
  • 733
63
votes
10 answers

How to extinguish a small fire in a server rack to minimize damage to surrounding equipment?

Suppose I have a rack with several servers and other stuff. One of servers overheats severely and either starts smoking or catches fire while there's a serviceman nearby. If anything similar happens in an apartment and there's a fire extinguisher…
sharptooth
  • 2,739
63
votes
5 answers

Bash find command verbose output

Is there way to tell the bash find command to output what it is doing (verbose mode)? For example for the command: find /media/1Tb/videos -maxdepth 1 -type d -mtime +7 -exec rm -rf {} \; to output: Found /media/1Tb/videos/102, executing rm -rf…
Alex
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