User John Bachir

34 votes

4 answers

87k views

How can I compare an ntp server's time to my server's time?

asked Jan 10, 2011 at 20:29

29 votes

2 answers

27k views

Is the 10-DNS-lookup limit in the SPF spec typically enforced?

asked Mar 26, 2014 at 17:12

24 votes

9 answers

148k views

Why is ntpd not updating the time on my server?

asked Jan 10, 2011 at 20:39

21 votes

2 answers

20k views

Sending a test/example alert from monit?

asked Nov 7, 2011 at 21:29

16 votes

9 answers

10k views

How can I increase ssh security? Can I require both a key and password?

asked Jul 19, 2010 at 7:33

13 votes

2 answers

23k views

understanding max file descriptors for linux and nginx, and best value for worker_rlimit_nofile

asked Dec 3, 2010 at 20:01

10 votes

1 answer

15k views

How can I observe what nginx is doing? (to solve: "1024 worker_connections are not enough")

asked Dec 4, 2010 at 0:49

8 votes

1 answer

3k views

How can I take advantage of IW10 in kernel 2.6.33?

asked Oct 20, 2011 at 17:00

7 votes

3 answers

3k views

What does monit consider to be memory usage?

asked Nov 8, 2011 at 2:24

6 votes

2 answers

3k views

Why does IE think that my certificate is invalid?

asked Nov 18, 2010 at 19:08

5 votes

2 answers

6k views

CNAME record for Amazon S3 -- any drawbacks?

asked Aug 20, 2010 at 22:15

4 votes

2 answers

6k views

Repeat monit alerts

asked Feb 22, 2012 at 23:10

4 votes

1 answer

123 views

How can I install a third-party .deb package in an arbitrary base dir?

asked Apr 12, 2012 at 22:36

4 votes

2 answers

7k views

Why is the cron ENV different from the user's ENV?

asked Jun 12, 2015 at 12:53

3 votes

6 answers

13k views

How can I figure out if port 25 is blocked on my network?

asked Aug 20, 2010 at 22:38

3 votes

2 answers

6k views

How can I determine how much memory my MySQL server needs?

asked Dec 2, 2010 at 16:47

2 votes

1 answer

2k views

Can I share buckets in Amazon S3 so that multiple users see them in their management console?

asked Sep 2, 2010 at 22:11

2 votes

2 answers

179 views

Is Ubuntu natty likely to get newer versions of Ruby?

asked Aug 1, 2011 at 15:10

2 votes

2 answers

3k views

How often does openntpd update the time?

asked Jan 17, 2011 at 20:48

1 vote

2 answers

247 views

Install debian package on ubuntu?

asked Aug 1, 2011 at 5:00

1 vote

1 answer

164 views

Can I use a newer InnoDB plugin in Ubuntu MySQL?

asked Sep 14, 2011 at 22:07

1 vote

2 answers

252 views

Is the # of CPUs on a virtual machine always meaningful?

asked Sep 10, 2010 at 17:59

1 vote

3 answers

424 views

What is the most simple way to automatically update the time on a server?

asked Aug 11, 2010 at 11:33

1 vote

1 answer

297 views

Does running cron by itself have the same behavior as via the init.d script?

asked Feb 1, 2020 at 20:25

1 vote

1 answer

214 views

What are some set-and-forget open-source monitoring tools? [duplicate]

asked Nov 7, 2011 at 18:44

1 vote

1 answer

145 views

Why can't I see the monit binary in the process list after starting it?

asked Nov 8, 2011 at 1:07

1 vote

0 answers

171 views

Sending HUP to Nginx resulting in never-dying old master process

asked Feb 23, 2012 at 18:26

0 votes

1 answer

714 views

How does Docker distribute work amongst host CPUs?

asked Jul 14, 2022 at 0:28

0 votes

1 answer

535 views

Can 1 thread running with a 1-cpu quota on an N-core machine use an entire core?

asked Jul 16, 2022 at 17:30

0 votes

1 answer

318 views

How was my ubuntu server's time set without ntp?

asked Aug 11, 2010 at 11:54

Stack Exchange Network

31 Questions

How can I compare an ntp server's time to my server's time?

Is the 10-DNS-lookup limit in the SPF spec typically enforced?

Why is ntpd not updating the time on my server?

Sending a test/example alert from monit?

How can I increase ssh security? Can I require both a key and password?

understanding max file descriptors for linux and nginx, and best value for worker_rlimit_nofile

How can I observe what nginx is doing? (to solve: "1024 worker_connections are not enough")

How can I take advantage of IW10 in kernel 2.6.33?

What does monit consider to be memory usage?

Why does IE think that my certificate is invalid?

CNAME record for Amazon S3 -- any drawbacks?

Repeat monit alerts

How can I install a third-party .deb package in an arbitrary base dir?

Why is the cron ENV different from the user's ENV?

How can I figure out if port 25 is blocked on my network?

How can I determine how much memory my MySQL server needs?

Can I share buckets in Amazon S3 so that multiple users see them in their management console?

Is Ubuntu natty likely to get newer versions of Ruby?

How often does openntpd update the time?

Install debian package on ubuntu?

Can I use a newer InnoDB plugin in Ubuntu MySQL?

Is the # of CPUs on a virtual machine always meaningful?

What is the most simple way to automatically update the time on a server?

Does running cron by itself have the same behavior as via the init.d script?

What are some set-and-forget open-source monitoring tools? [duplicate]

Why can't I see the monit binary in the process list after starting it?

Sending HUP to Nginx resulting in never-dying old master process

How does Docker distribute work amongst host CPUs?

Can 1 thread running with a 1-cpu quota on an N-core machine use an entire core?

How was my ubuntu server's time set without ntp?