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1500 questions
99
votes
10 answers

Service start request repeated too quickly, refusing to start limit

I have a systemd service that displays the following error service start request repeated too quickly, refusing to start I understand that the service is configured to restart on failure and it is restarting again and again. But when exactly does…
Vikas Tiwari
  • 1,113
99
votes
2 answers

Smell of rotten eggs in the server room

A week ago I got the following error on my APC Smart-UPS 1000 which I muted. Warning State: Connect battery Load: 55% Batt: 100% Today, I could smell a sort of sulfur/sulphur/rotten egg smell when I came into the office and the UPS is alarming…
Andy Joiner
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99
votes
4 answers

dpkg-reconfigure: unable to re-open stdin: No file or directory

I am building a provisioning script for a ubuntu vagrant vm, on a ubuntu host, both 12.10 64bit When installing the following packages: sudo apt-get -y install php5-xsl graphviz php-pear unison I get the warning: dpkg-reconfigure: unable to re-open…
Daithí
  • 1,383
99
votes
3 answers

Ubuntu displays "There is 1 zombie process" upon login

This message appears when I login to my machine: There is 1 zombie process. What is it telling me? Is this anything I should worry about? If yes, then what should I do, and how?
John Mee
  • 2,898
99
votes
18 answers

Reread partition table without rebooting?

Sometimes, when resizing or otherwise mucking about with partitions on a disk, cfdisk will say: Wrote partition table, but re-read table failed. Reboot to update table. (This also happens with other partitioning tools, so I'm thinking this is a…
Teddy
  • 5,424
99
votes
21 answers

Should we host our own nameservers?

This is a Canonical Question about whether to outsource DNS resolution for ones own domains I currently have my ISP providing DNS for my domain, but they impose limitations on adding records. Therefore, I am thinking about running my own DNS. Do…
Saif Khan
  • 1,955
99
votes
7 answers

My /var/log/btmp file is huge! What should I do?

My /var/log/btmp file is 1.3 GB in size. I've read that the file is "Used to store information about failed login". What does this mean for my server? And can I delete this file?
Juddling
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98
votes
10 answers

Is it better practice to buy RAID disks individually vs. in bulk?

This may sound like an odd question, but it's generated some spirited discussion with some of my colleagues. Consider a moderately sized RAID array consisting of something like eight or twelve disks. When buying the initial batch of disks, or buying…
smitelli
  • 1,214
98
votes
17 answers

Does drilling a hole into a hard drive suffice to make its data unrecoverable?

We have a lot of PCs in the company and nobody wants to wipe a multitude of hard drives. We also have many apprentice toolmakers who really want to destroy things. Thus, every couple of months, our apprentices receive two heavy baskets of hard…
RubbelDieKatz
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98
votes
12 answers

How bad is it really to install Linux on one big partition?

We will be running CentOS 7 on our new server. We have 6 x 300GB drives in raid6 internal to the server. (Storage is largely external in the form of a 40TB raid box.) The internal volume comes to about 1.3TB if formatted as a single volume. Our…
bdemarest
  • 1,091
98
votes
15 answers

How to fix PuTTY showing garbled characters?

Connecting from a Windows 7 PC via SSH to an Ubuntu server using PuTTY, I get some screen errors: I.e. it: "Double-draws" the selection inside Midnight Commander (MC). Other characters like line elements are drawn as the wrong characters (e.g. "â"…
Uwe Keim
  • 2,490
98
votes
5 answers

Getting the last match in a file using grep

What's the best way of getting only the final match of a regular expression in a file using grep? Also, is it possible to begin grepping from the end of the file instead of the beginning and stop when it finds the first match?
Acorn
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98
votes
2 answers

Should CNAME Be Used For Subdomains?

I manage multiple websites that currently have the following DNS configuration: example.com - A Record - Production Server IP test.example.com - A Record - Test Server IP www.example.com - CNAME - example.com beta.example.com - CNAME -…
Joseph Sturtevant
  • 1,304
98
votes
3 answers

How do I list the files associated with a Python package installed using pip or easy_install?

I've installed a Python package using pip, which is a replacement for easy_install. How do I get a list of which installed files are associated with this package? Basically, I'm looking for the Python package equivalent of dpkg -L or rpm -ql
Lorin Hochstein
  • 5,236
98
votes
4 answers

How can I get processor/RAM/disk specs from the Linux command Line?

Possible Duplicate: How to find out details about hardware on the Linux machine? How can I get processor/RAM/disk specs from the Linux command Line?
yazz.com
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