User phemmer

4 votes

Accepted

Our web server grinds to a halt when making XMLRPC requests. Please analyse my `top` output to see what's wrong

answered Jan 19, 2012 at 13:10

3 votes

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In postfix how do you read (or get) virtual users email?

answered Jan 12, 2012 at 4:11

5 votes

Accepted

Scalable way to add users in Postfix without creating new unix/linux accounts?

answered Jan 12, 2012 at 1:10

2 votes

Can a switch be noise reduced?

answered Jan 12, 2012 at 1:05

4 votes

Accepted

Is uploading a 500mb file to s3 an expensive operation? Any way to limit cpu usage etc?

answered Jan 11, 2012 at 0:47

3 votes

Accepted

How do I measure data transfer across a network interface related to a specifc user?

answered Jan 11, 2012 at 0:29

23 votes

How to remove invalid characters from filenames?

answered Jan 10, 2012 at 14:41

4 votes

Accepted

CentOS 5, port 8080 won't allow traffic

answered Jan 7, 2012 at 23:06

1 vote

what it means: exec `ksh -c "echo /usr/bin/expectk \"$0\" -- $*"`

answered Jan 6, 2012 at 0:17

14 votes

Accepted

What does the leading dash in process cmdline mean?

answered Jan 2, 2012 at 3:42

7 votes

Accepted

Linux: Why does Single User mode work on Serial Console but not on the attached Keyboard/Video/Monitor?

answered Dec 6, 2011 at 0:50

26 votes

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Best way to prevent the root system filling up when a mount fails?

answered Dec 5, 2011 at 16:15

2 votes

Accepted

Free security audit tool for LAMP server?

answered Nov 29, 2011 at 2:25

2 votes

Accepted

Is it safe to call ip address add from more than one process at the same time?

answered Nov 23, 2011 at 14:38

3 votes

Accepted

Mail server compromised. Yahoo refusing mails

answered Nov 21, 2011 at 5:03

2 votes

I can run a script locally, but cannot do "ssh HOSTNAME /path/to/script.sh"

answered Nov 4, 2011 at 1:19

1 vote

Is there a way to trace what's sending gratuitous arps?

answered Jun 17, 2011 at 3:17

2 votes

Accepted

What would prevent me from modifying my LDAP schema?

answered Jun 14, 2011 at 2:37

2 votes

logging memory usage of each process

answered Jun 12, 2011 at 10:21

3 votes

Replace current primary dns server without downtime

answered Apr 10, 2011 at 21:04

0 votes

Accepted

Apache/PHP writing to a user's home folder

answered Feb 14, 2011 at 18:02

7 votes

Accepted

Is it possible to get an inventory of all physical hard disks on a linux server?

answered Feb 11, 2011 at 23:47

0 votes

http request via iptables --to-destination ip redirect results in no response

answered Feb 11, 2011 at 17:15

2 votes

Connect two subnets without router

answered Feb 11, 2011 at 2:28

2 votes

Accepted

mysql stop slave forever

answered Feb 10, 2011 at 1:00

1 vote

unison / rsync getting copies of changed files

answered Feb 9, 2011 at 16:52

1 vote

Making hosts accessible between LAN subnets

answered Feb 9, 2011 at 4:35

10 votes

Accepted

On linux, what does it mean when a directory has size 0 instead of 4096?

answered Feb 9, 2011 at 0:45

5 votes

I have a perl script that is supposed to run indefinitely. It's being killed... how do I determine who or what kills it?

answered Feb 8, 2011 at 18:18

4 votes

Accepted

What is consuming so much memory?

answered Feb 8, 2011 at 14:49

Stack Exchange Network

109 Answers

Our web server grinds to a halt when making XMLRPC requests. Please analyse my `top` output to see what's wrong

In postfix how do you read (or get) virtual users email?

Scalable way to add users in Postfix without creating new unix/linux accounts?

Can a switch be noise reduced?

Is uploading a 500mb file to s3 an expensive operation? Any way to limit cpu usage etc?

How do I measure data transfer across a network interface related to a specifc user?

How to remove invalid characters from filenames?

CentOS 5, port 8080 won't allow traffic

what it means: exec `ksh -c "echo /usr/bin/expectk \"$0\" -- $*"`

What does the leading dash in process cmdline mean?

Linux: Why does Single User mode work on Serial Console but not on the attached Keyboard/Video/Monitor?

Best way to prevent the root system filling up when a mount fails?

Free security audit tool for LAMP server?

Is it safe to call ip address add from more than one process at the same time?

Mail server compromised. Yahoo refusing mails

I can run a script locally, but cannot do "ssh HOSTNAME /path/to/script.sh"

Is there a way to trace what's sending gratuitous arps?

What would prevent me from modifying my LDAP schema?

logging memory usage of each process

Replace current primary dns server without downtime

Apache/PHP writing to a user's home folder

Is it possible to get an inventory of all physical hard disks on a linux server?

http request via iptables --to-destination ip redirect results in no response

Connect two subnets without router

mysql stop slave forever

unison / rsync getting copies of changed files

Making hosts accessible between LAN subnets

On linux, what does it mean when a directory has size 0 instead of 4096?

I have a perl script that is supposed to run indefinitely. It's being killed... how do I determine who or what kills it?

What is consuming so much memory?