General :: Is There System Admin Tool For RHEL On Montioring And Logging System Memory

Apr 20, 2011

Is there a system admin tool for RHEL on montioring and logging system memory used and released that can dump to a log file?I'm having an issue with memory not being released when an application is closed. I need to have a tool monitor and log so I can troubleshoot to verify that it's an application not the OS.

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General :: Files (system & User) Created After Login To System In RHEL 5.0?

Jun 4, 2010

How to find, what are the files (system & user) created after login to the system in RHEL 5.0?
Any single command available?

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Security :: Need Remote System Hardening GUI Tool / Possible To Use It Windows System?

Jan 20, 2011

Which is the best remote linux hardening GUI tool.Is it possible to use that tool from windows system?

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General :: Start A Career In Particularly As A System Admin (red Hat)?

Dec 6, 2010

i want to start a career in linux, completed btech in 2010, tell me the process of entering into linux world.

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General :: System Admin For Mostly Solaris And Windows?

Jan 10, 2011

I'm currently system admin for mostly Solaris and Windows..however finding I need more linux than ever before.

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General :: How To Enable System Logging

Oct 21, 2010

How to enable system logging in linux. can i check the logfile remotely of another system on same network

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General :: Logging Into Ubuntu 10.04 Lucid GUI. The System Stucks?

Aug 16, 2010

I am having issues loggin into Ubuntu 10.04 Lucid GUI. The system Stucks after entering username and passwords.

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Fedora Installation :: Use GUI Tool For Update System - No Response When Click The 'Update System' Button

Apr 28, 2009

I've tried to use the GUI tool for update system in Fedora 10. It listed all of the available updates successfully, but it have not any response when i click the 'Update System' button~

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General :: Can't Run Another App With Other RHEL 4 System User / Get It?

Apr 13, 2011

I'm Pab, just like to know, How can I allow a new user to run specific software like sqlplus.


I have an oradb@database user where i can execute sqlplus /nolog command, but when i created a new user named allan@database the bash says....-bash:sqlplus: command not found.

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General :: Need System For 128 MB Of Memory

Feb 21, 2010

I need a Linux distribution which has got drivers for pendrives and could play the music.
What version could you recommend for me?

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General :: RHEL 5 Support NTFS System?

Dec 14, 2010

Any idea, does RHEL5 support NTFS system.??

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General :: Any USB Tool To Recover Partitions In Dual Boot System?

May 23, 2011

I have a dual boot Acer Aspire One, after reinstalling Windows back to "original factory", the way it was straight out of the box, it now will not boot up at all. It goes to the Windows start screen goes blank, and loops there infinitely. Is there a USB tool I can use to figure out what went wrong and recover either my Windows or Linux partition with out having to do a complete reinstall?

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General :: Install System By Using Text Mode - Fdisk Tool?

Dec 14, 2010

How to install linux by using text mode or fdisk tool

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General :: Best And Easy Tool To Use In System To Back Up Data From Windows?

Apr 20, 2010

I want to know which backup tool is used in Linux to back up data from windows machine to linux machine, is amenda? Please guide me.

Also tell me where to download it from?

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Ubuntu Installation :: Mythbuntu System Hangs After Regular System Update: "out Of Memory" Errors

Aug 4, 2010

I have Mythbuntu 10.04 installed on an exclusive HTPC and working great... until tonight. After letting the system update some packages (161 packages if I remember right), I suddenly have an issue where the graphical system won't start. After researching I found three error messages that might be causing that.

1. At the start of splash screen I see "UUID=xxxxxxxCD7 not ready yet or not present" I checked in /etc/fstab and found that this is the swap partition. I don't remember seeing this before so this could be the culprit.

2. I'm not at the computer in question right now but I saw a Plymouth error about "mountall" and then the message "plymouth command failed". Not sure if this could be the main error.

3. after a while (usually ca. 1-2 min) I receive thousands of errors of the kind "out of memory"... "kill process XXXX" (process vary wildly e.g. dbus-daemon, mysql, etc)... "process killed"..."respawning"

After error 3, I'm not able to switch to graphical console (ctrl-alt-F7). If I was in the graphical console at this moment, I simply can't switch to the CLI console. I'm always afraid of updating my system since I've seen lots of things breaking afterwards (usually the proprietary graphic drivers) but this is really strange.

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General :: Tool To Show In Logs When System Panicked Restarted Unscheduled?

Jan 5, 2011

I have it at lot that when a system crashes fatally and restarts (due to a power outage, kernel panic, tripping over a cord or something), there is no mention of it in the log. It just shows that the system was started. Is there a tool that will show this in the log? With a message like "system was not shut down properly or had a fatal crash / kernel panic" when restarting? It is pretty easy to do, just have a lock file somewhere that is removed when the system shuts down gracefully and that is left when it is not. And mechanism that checks this when starting up. It would also be possible to tell when the crash occured, as you can update the lock file from time to time and when the systems dies, it cannot anymore.

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General :: Windows User Password Forgot - System Recovery Tool?

Sep 25, 2010

I have a friend that tried to change her user password on Windows, and now can't log in to her account. Of course it's the only user account on the computer. Are there system recovery tools on any Linux liveCDs that could change the passwords of Windows user account?

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General :: Tool Or Set Of Scripts To Capture Information And Do System Level Comparison?

Jun 12, 2011

If I have three (3) servers that are suppoed to be configured exactly alike, is there a tool or set of scripts that I can use to capture the information and do a system level comparison?

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General :: Can Install Suse And RHEL 5 On Same System - Laptop ?

May 1, 2011

1.Can I install Suse Linux and RHEL 5 on same system (Laptop)?

How many OS can I install in one laptop?

My laptop name in Compaq Presario CQ42-462TU i5 M460 2.53GHz 3GB RAM 320GB Hard Disk

2. Can I install 64bit RHEL 6 and 32 bit RHEL 5.5 on same laptop?

I have RHEL 6 installed on my laptop, but when I try to install Suse Linux after hitting installtion button it starts loading lernel but then it blacks out and stays there for years.

It also shows some ACPI error when I tried to install second LINUX OS .

3.What should I do? Should I change my newly brought laptop?

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General :: Ethernet Card Is Not Detected On System RHEL 5.1?

Jun 21, 2010

I install RHEL 5.1 on my system. But my Ethernet card is not detected. I found my Ethernet card is of "ATTANSIC Technology corp L1 Gigabit Ethernet Adapter(rev b0). I already downloaded the driver. Someone tell me step by step process, how to install this driver over RHEL 5.1.

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General :: Unable To Access 389-DS Server Through Remote LDAP Admin Tool / Fix It?

Jan 9, 2010

I have Fedora Directory Server with SSL running on my Linux Machine. I can see th output:


This shows that 636 port is open.But When I am attempting to this Linux Server from one of Windows Desktop it says "LDAP is Down".
I selected LDAPv3 and LDAPv3, hostname and SSL/TLS tried fetching base DN but it dint work.

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General :: High Memory Utilization By System?

Nov 11, 2009

I have a server running samba process and there are about 70 samba users connected at a time. The system has 4Gb of memory and it seems each samba process is utilizing only 3352Kb of memory.
When I run the command
pmap -d (pid of samba)

It gives as:
b7ffa000 4 rw-s- 0000000000000000 0fd:00003 messages.tdb
bfe46000 1768 rw--- 00000000bfe46000 000:00000 [ stack ]
ffffe000 4 r-x-- 0000000000000000 000:00000 [ anon ]
mapped: 33384K writeable/private: 3352K shared: 20504K

But when I run the top command, it results as below:
Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.9% us, 4.9% sy, 0.0% ni, 93.3% id, 0.8% wa, 0.2% hi, 0.0% si
Mem: 3895444k total, 3163192k used, 732252k free, 352344k buffers
Swap: 2097144k total, 208k used, 2096936k free, 2487636k cached

Why could the system be utilizing such high memory? By the way, the server is not running other processes. The samba version running in it is 3.0.33-0.17.

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General :: In The Context Of - System Monitor - What Is A Memory Map

Mar 15, 2011

The more context the better. So far it does not look like it has anything to do with memory.

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General :: Which Services Can Close On Low Memory System?

Jul 19, 2011

In system monitor, there are numerous processes. Some such as metacity and nautilus are using 12-21 mb memory. Since my server is a 512 mb computer, which services or processes can I safely remove or end ?

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General :: How To Find The /dev/Device Mapping For NFS File System In RHEL

Jun 19, 2010

Found the below from RedHat Knowledgebase

The Completely Fair Queuing (cfq) scheduler in Red Hat Enterprise Linux 5appears to have worse I/O read performance than in version 4. It appears as though the Completely Fair Queuing I/O scheduler (cfq) has a regression and thus exhibits reduced read-side throughput which can affect performance for both local and NFS mounted file systems.

One way to mitigate this is to set the cfq's slice_idle parameter to zero. To change this value, execute the following command echo 0 > slice_idle in the /sys/block directory appropriate for your situation, as shown below:

echo 0 > /sys/block/hda/queue/iosched/slice_idle

We are using NFS file systems in RHEL 5.3. I would like to know how to find which /dev/Device is being used by the NFS file systems, so that I could try setting the slice_idle to '0' to see if there is any difference in performance? In /etc/fstab I only see the actual NAS volumes for the NFS file systems.

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General :: Virtual Memory Concept In Embedded System

Dec 20, 2010

We have designed a board with Cirrus Logic(arm) processor, A Flash memory and some other peripherals have been connected to that. While building kernel we have selected MMU support. We have written few custom drivers for keypad,LED,LCD. But I would like to know how virtual memory mechanism can be helpful here even though there is no any hard disk has been connected. Where will be the virtual memory reside.

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General :: Testing Efficiency Of Memory System Part

May 7, 2010

I have applied a patch in linux kernel version-2.6.31(fedora core 12)source code.Now I want to check whether the performance of the memory management part has been enhanced. So how to test the efficiency of this new modified code?

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Ubuntu :: Admin Access To System?

Mar 2, 2010

While messing around with file permissions and ownership of /var/www/ i seem to have locked myself out of being able to administer users on my 9.10 system.

when I go to the user administration screen in the icon with the keys is grayed out. with the message "not authorized to make changes". My account seems to have lost admin access. But, I'm the only user on the system.

I presumed I somehow changed my group status from the root group to something else

but, sudo usermod -g root [my name] just returns "no changes made"

All I can do for now is run as the su from the terminal. Is it possible to log into gnome with a root account?

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General :: Script That Names The Process In The System That Consumes The Most Memory?

Dec 31, 2010

I am writing a script that tells me which process consumes the most memory in the system this is what I have but I keep getting an error:

#! /bin/bash
# Autor: Jose miguel Colella
# Descripcion: Que proceso consume mas memoria

ps -e -o %mem -o args | sort -k 1 | tail -n2 | head -n1 | cut -d -f 3

I keep getting this message: cut: delimiter mist be a single character

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Fedora :: System/Admin/Printers Gone / Get It Back?

Oct 22, 2010

A member suggested I install Samba (to be able to print to a Windows computer's printer).

I added Samba clients and support files using Add/Remove Software.

I rebooted, and found that the Printers choice in System/Administration had disappeared.

Could someone please suggest how I can get the Printers choice back? maybe a Terminal command to run the Printers config app so I can add a network printer?

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