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Niall Donegan
  • Member for 11 years, 7 months
  • Last seen more than 3 years ago
50 votes
Accepted

How to determine the "age" of a linux system since installation?

40 votes
Accepted

What's the difference between 'useradd' and 'adduser'?

14 votes
Accepted

Allocated 4GB RAM to VM but Linux shows only about 3GB total memory

14 votes
Accepted

Postfix - specify interface to deliver outbound mail on

9 votes
Accepted

BIND - connection timed out; no servers could be reached

9 votes

How to automatically collect HP server service tag from datacenter?

8 votes
Accepted

How to block completely Windows Update on my network

7 votes
Accepted

How to determine how many times an ext3 file system has been mounted

7 votes
Accepted

Apache logging to different files by response code

6 votes

MySQL process goes over 100% of CPU usage

6 votes

How to test the connection speed of a server?

5 votes

Correct use of SMTP "Sender" header?

5 votes

Is there a CentOS equivalent for SUSE Linux Enterprise Server?

5 votes
Accepted

View changelog of all packages to be upgraded before upgrading

4 votes

Exim rejects recipient address on my domain

4 votes

Avoiding DNS timeouts when a DNSserver fails

4 votes
Accepted

why my emails are going into spam folder

4 votes
Accepted

backup storage server

4 votes
Accepted

With AWS ELB, is it possible to direct specific subdirectories to specific servers?

4 votes

Blocking a country (mass iP Ranges), best practice for the actual block

4 votes

What role does virtualization play in a network with a SAN?

3 votes

Freebsd or Linux? as BGP router over 100mbps

3 votes

How can I use iptable rules to prevent port scanning like Hping and nmap?

3 votes
Accepted

How can I know the maximum allowed number of forks for a process in Ubuntu?

3 votes
Accepted

Logging with timestamp

3 votes

Apache won't accept external requests

3 votes

Shell script to block proftp failled attempt

3 votes

Failing SSHFS connection drags down the system

3 votes

What's the best way to block IP spoofing on a layer 3 switch?

3 votes

SSH keys fail for one user