The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
2answers
2k views

how to remove a screen (detached sessions) in unix?

I have been working in different screen sessions in past projects , hence have a few screen sessions accumulated. Now i have been asked to remove excess/unrequired screen sessions from the unix box. ...
1
vote
1answer
37 views

Prevent partition from mounting in OSX Mavericks

In older versions of OSX the /etc/fstab was honored and I could put in mount options (in particular, "noauto"). I have some Carbon Copy Clone bootable backup partitions that I don't want mounted ...
0
votes
0answers
168 views

Where can I find a full list of Chrome's master_preferences?

I'm trying to programmatically disable password saving for Chrome, and my search has lead me to the master_preferences file. However, I can't seem to find any "master" list of every possible ...
1
vote
5answers
2k views

Differences in /var/log/{syslog,dmesg,messages} log files

Which file for which logs are? What's the rationale?
1
vote
0answers
24 views

Deploying servers with a Mac UI [closed]

I have a third party linux server that I would like to be able to setup and install software using a Mac application with some sort of basic user interface. The best I have at the moment is the ...
0
votes
1answer
194 views

Why is iftop using so much memory? Are there any tools that are powerful, but do not use so much memory?

pmap iftop_id b7fce000 4K rw--- /lib/ld-2.5.so bf9aa000 84K rw--- [ stack ] total 204940K The memory of the server is only 1GB, but iftop takes 204MB. It is crazy that iftop uses ...
11
votes
4answers
12k views

Users in /etc/passwd on Mac OS X

By examining the /etc/passwd I should get a list of all users in the system. However, when dumping the passwd file on Mac OS X I don't see my current username but many entries like these: ...
1
vote
2answers
39 views

Difference in Logs

Is there a utility that will show you a difference in a directory of log files at one point of time and at the current moment? Current a method in debugging applications is to remove all of the logs ...
1
vote
1answer
79 views

Mac OS X detailed system administration reference material

I've been searching for a while, and I'm struggling to find any decent reference material that explains how Mac OS 10.8 is configured with reference to things like init.d / launchd, where default ...
3
votes
1answer
57 views

Systematic criteria for selecting a new hard drive for servers

I'm required to come up with a specification for a new HDD to be purchased for a server I admin. The current disk (purchased pre-installed in the system) already shows I/O errors (as evidenced by ...
0
votes
2answers
76 views

Linux server user management system?

I have a web server running Debian. Up until now, I was adding all my users by hand: create their shell, ftp, mysql, svn, etc. accounts, with the correct privileges, create a folder in the web tree ...
0
votes
1answer
296 views

In gnu screen, how do you reload .bashrc in all windows?

I typically use about 10 windows in gnu screen and am constantly customizing my .bashrc. I would like to be able to source .bashrc across screen windows with a one-liner. Can I broadcast a command ...
1
vote
1answer
2k views

Find all duplicate files by md5 hash

I'm trying to find all duplicate files based upon md5 hash and ordered by file size. So far I have this: find . -type f -print0 | xargs -0 -I "{}" sh -c 'md5sum "{}" | cut -f1 -d " " | tr "\n" " "; ...
1
vote
1answer
59 views

Linux RHEL : Making disk image efficiently

I have a linux box having RHEL. Its disk (hda1) is having free space of about 25GB. I have an another disk (hda2) which is of 250GB having another RHEL instance, it's partitioned for 200GB. Data on ...
0
votes
1answer
2k views

How can I find the processes which use the most memory? [duplicate]

Possible Duplicate: How can I display the memory usage of each process if i do a 'ps -ef' For example, how can I find the top 20 processes that occupy the most memory? My Linux ...
5
votes
2answers
3k views

How to extract RPM from RPM database in RedHat

Is there a way to extract an installed RPM from an RPM database on RedHat Linux to reproduce the original .rpm file?
3
votes
1answer
155 views

Install rpm packages using file globbing with errors

I found a rpm feature. If you rpm install * and one of the packages fails to install then none of the remaining packages will be installed. Does anyone know how to use rpm to install packages with ...