General :: SNMP For Managing Machines Remotely?
May 24, 2011
I just narrowly passed another exam on UNIX Academy. Their DVDs are incredible. While I made some mistakes here and there.I was really stumbled upon a question that was formulated something like "SNMP for managing Linux machines remotely".I can't remember the exact definition. I'm not sure what it was about.I was under impression that SNMP it is a carrier protocol for commands like "ping" and "traceroute". I was trying to read about it online but it is way too broad and technical, they're loosing me on very first page. I suspect there's some kind of product or technology that uses SNMP in some way to handle Linux, I'm not sure.
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Oct 27, 2010
suddenly ,I get a project to shutdown all xp's by a Linux server(RHEL5) using a single command.by net command i did that.but in this case i have to specify all the ip addresses manually .Is there any way that Linux server obtain the ip addresses automatically on a network and then shut down all the pc's
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Feb 22, 2010
I have 2 Centos 5.2 install that cant be snmp queried from another machine and I am unsure of what to check next.
To make sure it was not an incorrect iptables rule i temporarily turned off iptabes with the same results. I have checked the hosts file and it is correct on both machines.
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Jun 27, 2010
how can I configure snmp to receive traps from diffé²¥nt machines??
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Jun 14, 2009
I am running NFS and NIS servers in my FC8. Clients are also running FC8. Everything was working fine. I could login remotely to server as well as clients. Suddenly (few days ago) a problem started. I can not login remotely to client machines. I did not do anything. I can login to server remotely, but not the client. When I try to login, it accept password and nothing happens. Also, when I try to login from server to client same thing happens. We share the home directory of the server with client. Another question: there two type of nfs server nfs-user-server and nfs-kernel-server. I just use gui to set up the NFS. I don't know which one I am running. Is there any way to find out which nfs I am running?
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Aug 12, 2010
I'm trying to configure SNMP service to send traps to SNMP server. I've installed net-snmp-utils, now I need to configure the "snmpd.conf" file...
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Jul 19, 2011
I'm having a little issue managing my iphone on archlinux+kde. This is the only way I got it to sync.
sudo killall usbmuxd
sudo usbmuxd -f -v
And then the only program that recognices the device is Clementine and it works quite fine. What I'd like to do is to make that automaticaly, so I wouldn't have to do it everytime i turn on my computer.
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Jul 29, 2011
I would very much appreciate infos about a Linux distro handling win32 applications through wine and easily capacity to manage files within FAT32 partitions.
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Mar 28, 2010
I'm often switching between the following three languages to check spelling in evolution, firefox and gnote:
English / United States
Dutch / Netherlands
Croatian / Croatia
The problem is that the language list is huge, what makes switching between the languages difficult. There are more than 20 types of English spelling and 3 Duch spellings (see the screen-shot).
I would like to configure this language list, so that only the relevant languages are displayed.
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Jan 4, 2011
Does anyone know or recommend some software or a script to remotely power on a PC from standby to on, or even better from completely off?
I guess the completely OFF to ON is much more complicated - would probably require an extra piece of hardware(?)
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Jun 29, 2011
I'm not terribly new to Linux, but I am new to the forums, so hear me out! I am in the process of creating an electronic mapwall for our meteorology program, and have designed the computing system from scratch. I have two Linux Boxes, each with capabilities for 6 attached monitors...a total of 12 displays driven from two machines. My intention is to have one machine be the master...it has a touchpanel control. The inputs to the touchpanel will then trigger events for the both the master and the slave machine to display. Each of them has a specific IP address (DNS entry), and are not on a subnet.
Now...is there a way to remotely login to the slave machine and have it display on it's OWN monitors? The code is Java and which works on the master machine to animate directories of .gifs for each of the master's attached monitors. I will most likely have Java execute shell commands for the remote login (ssh), but I believe the answer lies somewhere in the X-configuration. Do I have the machines in an adverse configuration (creation of a subnet would be better)? Lots of questions...lots of desire...few answers!
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Aug 7, 2010
I want to add a few linux server to our monitoring system (solarwinds).
We have to get this information by snmp.The items we need are:
1-In Byte Transferred on every network interface
2-Out Byte Transferred on every network interface.
3-Memory Usage
4-Memory Free
5-CPU usage
6-Free Disk space on partiotion
7-Uptime
I could not find snmp OID or names for this object to fetch.
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Jan 26, 2010
I've got a new install of the following...
[root@big-bad-joe /]# more /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 7)
------------------------------------------------------------------
[code]....
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Feb 12, 2010
I have been trying to set up SNMP monitoring using Cricket. I believe I have Cricket running fine, however I also believe that I have SNMP set up wrong. When I do an SNMPWALK I get the following:
[Code]....
This tells me I have SNMP running, however I would expect to see a lot more data... Am I correct, should I see more data? I spoke to a friend, and he suggested that I have something not set up correctly in SNMP dealing with the community string...
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Dec 10, 2010
recently i have installed Squid Server and i want to monitor traffic in my lan with mrtg. so i have installed snmp but when i run "snmp -v 1 -c public localhost" i have got "Timeout: no response from localhost". i have turned off the firewall but i get same error.
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Jul 2, 2010
Iam using snmp to access the remote system data.But according to the requirement iam encoding the snmp request data to OAMPDU packet format and sending to remote system.the remote system receives the OAMPDU packet,decodes it and is sending the snmp packet to snmp agent through UDP socket which is bind to port 161.but iam unable to receive the response from snmp agent.i have created a udp socket which is bind to 161 port to receive the response.
if i use any other free port number other than 161 for receiving snmp agent is not sending the response to that port.can any one please suggest me how to overcome this problem.Can we configure the different ports for tx,rx ?How do we know on which port does snmp sends the response ???
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Oct 24, 2010
I need to be able to send snmp traps based on certain severity or content of syslog messages. Can this be done from standard linux? Alternatively, are there MIB's out there that support syslog events so I can get the status from snmp?
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Jan 8, 2011
In cisco 6509 switch port 1status is being traped it is showing "SNMP CRITICAL - *down(2)*"
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Dec 23, 2010
I am trying to calculate band Width on few interfaces. Every thing works fine, bandWidth goes up when user loged in it goes down the moment working hrs are over. Only problem is once in a while it show negative bandWidth ? I make that script to send information in-case it negative. here are few examples
Code:
from IP XX.X.X.X interface X
inCounters new = 1056124169 old = 484753332
outCounters new = 71539457 old = 4205963496
inDelta = 571370837
[code]....
Code:
inPut utilization = (change x 8 X 100) / (change in time X connection speed)
but that would not matter because , problem is caused by lowering count on in and out packets.
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Jul 28, 2010
I am working as a Linux administrator in a very small data centre with 5 servers with following routine tasks.
1. Managing SAMBA shares and giving user specific access for the shares.
2. Scheduling backup of some mount points with rsycn to store data in remote hard disk
3. User and group administration, with sudo access.
4. Creating and Managing Xen Virtual machines and giving access to other project teams.
5. Automating some tasks with Shell Scripting.
6. Managing FTP server for user uploads.
I have practiced a lot in my home laptop without RHEL training, Cleared RHCE and LPIC1. I want to do some advanced system admin tasks, but do not have option in my current data centre. With Above skills is it possible to get a job ?
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Feb 13, 2010
I set all of my family members up with Linux Mint so that their computers would stop punching themselves in the face, but I'd like to be able to control those computers when my mom calls up and wants to know how to "put her favorites in the drop box." I've got Parallels with WinXP, and Ubunutu VMs, so my OS isn't really a concern (although I'd prefer to use OS X if there was a slick GUI app). What's the best or most practical approach to getting access to these computers from across the country?
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Apr 18, 2011
I am using some software that uses CUDA to run some stuff on the GPU.
If I am using ssh to connect to the box, or vnc even, and I try to run the program I get an error that no CUDA device is enabled. I have to go over to the machine and physically log in, and type "startx" to get it to detect the device. It can also be another use on the box using an X session, but one has to be started soemwhere on the box to get CUDA working. Is there a way to "startx" over an SSH session so that this will work and I dont have to go over and log in?
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Mar 30, 2011
I am trying to remotely update my dyndns using the commandwget --no-cache h ttp //$USR:$PWD@$DYN_HOST/nic/update hostname=$HST&myip=$MY_IP(the h ttp : // is because I can't post links yet...)when "MY_IP" is my remote computer's ip,but the dyndns seems to ignore this parameter.. It updates the "real" ip that I have in the computer that running that command..I read previous threads an saw that someone used --no-cacheSo I tried that and it did not work for me.
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Dec 30, 2010
I am facing some iLO problems in HP servers so can't take its remote session properly for long time, always Setup starts smoothly but after some time it gets hung in between . Plz let me know if we can do remote install.
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Jan 7, 2011
We are organizing an event for Open Source technology in college for 100 students and want to provide them access our corporate PC. Our aim is to provide them remote access to few 10-20 machines in our corporate to try out our product which runs on specific hardware.Anyone who can suggest me any secure colloborative tool which will let those students access concurrently.
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Jan 13, 2011
I want to access linux server remotely from windows. I precisely dont need GUI. Just want to work with vim editor. currently I am using ssh software and xmanger software.Running ssh software dosen't give the feel and speed. However xmanager is fine to work. Can somebody suggest me from where i can get free latest xmanager software or better then it.
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Oct 4, 2010
I have a machine with several IP addresses with eth devices like eth0, eth0:1, eth0:2, eth0:3. Can I restart only eth0 without bringing down eth0:1? It would be really convenient to be able to log in via SSH on eth0:1 and restart eth0 without locking myself out or not being able to bring the network back up.
If I stop eth0, will that automatically stop all the others?
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Feb 13, 2010
I'd like to have my Linux box (a QNAP TS-210 NAS) send the order to go to sleep (or hibernation) to my main Windows 7 computer.As the NAS is running Linux, I can't use psshutdown from SysInternals' PsTools. Is there any Linux equivalent? Or some "magic packet" that can order the Win7 computer to sleep.I know I could install a SSH daemon and trigger a shutdown command from the Linux box using ssh, but ideally I do not want to install anything on the Win7 computer. I can install Linux software on the NAS, no problem about this. PHP, python and perl are also available on it.
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Mar 24, 2010
Is it possible for me to SSH to another server in Linux (Ubuntu), run a program there but display it locally?And is it possible for me to SSH to another server in my terminal,and configure it so that all graphical programs (Firefox, Emacs) run in that SSH session will be displayed locally?
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Jun 16, 2010
I use TextMate on Mac OS X to develop. The files I need to edit are on a Linux machine, and I have the Linux filesystem mounted on my Mac OS X. Opening the files and saving them in TextMate is not a problem.What I want to do (from my Mac OS X) is be able to...SSH <linux>cd <folder>mate <filename>I want that to open up the file in TextMate on my Mac OS X (thus, shifting focus from my Terminal.app to TextMate.app). How can I achieve this effect?
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