User Brent

61 votes

Accepted

How can I allow one user to su to another without allowing root access?

answered Jun 2, 2009 at 15:18

45 votes

Preventing brute force attacks against ssh?

answered May 4, 2009 at 17:53

40 votes

Accepted

How to reset munin graphs

answered Oct 8, 2010 at 13:14

38 votes

Accepted

How do I know if my Linux server has been hacked?

answered May 1, 2009 at 21:11

37 votes

Accepted

How Often Should I Update our Linux Server?

answered May 18, 2009 at 16:01

29 votes

How can I clean up a spaghetti monster of cables?

answered May 12, 2009 at 15:49

25 votes

What is the debian-sys-maint MySQL user (and more)?

answered May 19, 2009 at 16:17

23 votes

Accepted

Anti virus For Linux

answered Jun 10, 2009 at 16:14

23 votes

Find largest directories/files recursively

answered Jun 12, 2009 at 21:30

21 votes

Bash Scripting: Require script to be run as root (or with sudo)

answered Jul 8, 2009 at 17:43

20 votes

Accepted

User password age/complexity policy

answered May 4, 2009 at 18:46

18 votes

How can I determine if a machine is online without using ping?

answered May 28, 2009 at 13:57

15 votes

Accepted

Making a crontab more efficient

answered May 8, 2009 at 15:06

13 votes

Is it important to reboot Linux after a kernel update?

answered May 19, 2009 at 23:22

12 votes

Accepted

What backup solution you use for linux servers

answered May 2, 2009 at 20:01

12 votes

Accepted

How do I scp to a user I don't have the password for?

answered Jun 10, 2009 at 19:36

11 votes

Accepted

What are main steps doing forensic analysis of linux box after it was hacked?

answered May 13, 2009 at 13:15

10 votes

Accepted

Cheap and easy solution for VPN?

answered May 25, 2009 at 15:24

10 votes

Delete all sub-directories except one

answered Jun 4, 2009 at 19:50

10 votes

Accepted

How to manage a web servers SSL private key protection (password vs. no password)?

answered Jun 14, 2009 at 13:13

9 votes

Time drift

answered May 8, 2009 at 19:46

8 votes

What tool do you use to monitor your servers?

answered May 1, 2009 at 20:52

8 votes

What's the default username and password for an Ubuntu Live CD?

answered Jun 15, 2009 at 22:16

7 votes

How to check if a port is blocked on a Windows machine?

answered Jun 16, 2009 at 14:27

7 votes

How to delete file with option character in name in Linux?

answered Jul 8, 2009 at 17:29

7 votes

Why is my RAM (16G) being completely used up?

answered Dec 16, 2009 at 20:35

7 votes

What are the most manageable and interesting server naming schemes being used?

answered May 3, 2009 at 20:44

7 votes

What good system administrator podcasts are out there?

answered May 4, 2009 at 3:11

7 votes

Accepted

Linux howto/tutorial/help sites?

answered May 24, 2009 at 13:31

6 votes

How many requests should my webserver be able to handle?

answered May 14, 2009 at 14:50

Stack Exchange Network

265 Answers

How can I allow one user to su to another without allowing root access?

Preventing brute force attacks against ssh?

How to reset munin graphs

How do I know if my Linux server has been hacked?

How Often Should I Update our Linux Server?

How can I clean up a spaghetti monster of cables?

What is the debian-sys-maint MySQL user (and more)?

Anti virus For Linux

Find largest directories/files recursively

Bash Scripting: Require script to be run as root (or with sudo)

User password age/complexity policy

How can I determine if a machine is online without using ping?

Making a crontab more efficient

Is it important to reboot Linux after a kernel update?

What backup solution you use for linux servers

How do I scp to a user I don't have the password for?

What are main steps doing forensic analysis of linux box after it was hacked?

Cheap and easy solution for VPN?

Delete all sub-directories except one

How to manage a web servers SSL private key protection (password vs. no password)?

Time drift

What tool do you use to monitor your servers?

What's the default username and password for an Ubuntu Live CD?

How to check if a port is blocked on a Windows machine?

How to delete file with option character in name in Linux?

Why is my RAM (16G) being completely used up?

What are the most manageable and interesting server naming schemes being used?

What good system administrator podcasts are out there?

Linux howto/tutorial/help sites?

How many requests should my webserver be able to handle?