Date   

Re: check_irlp script not working properly

Gary - AG0N
 

I googled check_irlp and the first item seems relevant.
When you open that link it speaks of the embedded node system.
chk_irlp is on many nodes (maybe most), and is one of the very first things I
install when I build one. I'm not sure, but I think Dave even puts it on nodes
that he builds, possibly why you see reference to embedded nodes.

Gary
--
Web: http://ag0n.net
NodeOp Page: http://ag0n.net/irlp
Node 3055: http://ag0n.net/irlp/3055


Re: check_irlp script not working properly

John
 

I googled check_irlp and the first item seems relevant.
When you open that link it speaks of the embedded node system.

John@6163

On 26-Aug-15 12:03:23 AM, ve7knl@telus.net [irlp] (irlp@yahoogroups.com) wrote:
Hi all. I posted this in the PiRLP group but that group seems to be dead. The check_irlp isn't working properly on my Pi node. If the node is connected, it will say "You are currently connected to" then nothing. If I run check_irlp from the command line, the text is correct "Your node is already connected to ref9990" for example if I'm connected to 9990. Next line is cat:/home/irlp/run/temp.ul :No such file or directory. It appears temp.ul is not being created. I've checked /home/irlp/run and there is no temp.ul file. Can someone tell me what I might have wrong, or what creates temp.ul?
Thanks.


Re: check_irlp script not working properly

Dave K9DC
 

“check_irlp" is not a standard script, so no one here is likely to know what you want it to do. I would suggest you check with whoever contributed it and ask them. If you wrote it, you are going to have to be more specific about what you expect it to do.

-k9dc

On Aug 25, 2015, at 10:03, ve7knl@telus.net [irlp] <irlp@yahoogroups.com> wrote:

Hi all. I posted this in the PiRLP group but that group seems to be dead. The check_irlp isn't working properly on my Pi node. If the node is connected, it will say "You are currently connected to" then nothing. If I run check_irlp from the command line, the text is correct "Your node is already connected to ref9990" for example if I'm connected to 9990. Next line is cat:/home/irlp/run/temp.ul :No such file or directory. It appears temp.ul is not being created. I've checked /home/irlp/run and there is no temp.ul file. Can someone tell me what I might have wrong, or what creates temp.ul?

Thanks.


check_irlp script not working properly

Clinton Peebles
 

Hi all. I posted this in the PiRLP group but that group seems to be dead.  The check_irlp isn't working properly on my Pi node.  If the node is connected, it will say "You are currently connected to" then nothing.  If I run check_irlp from the command line, the text is correct "Your node is already connected to ref9990" for example if I'm connected to 9990. Next line is cat:/home/irlp/run/temp.ul :No such file or directory.  It appears temp.ul is not being created.  I've checked /home/irlp/run and there is no temp.ul file.  Can someone tell me what I might have wrong, or what creates temp.ul?

Thanks.



Re: Node 6506 VK3RVZ - Brighton Victoria

Stan Maines <n3wpl@...>
 



"Klaus Rung k_rung@... [irlp]" <irlp@...> wrote:

 

I am using a Neoware CA-10 as it conveniently has a slot available to mount the irlp board internal to the pc making a neat installation while still being relatively compact.

It can also boot very nicely from a usb flash drive with the whole node on it and works well but just takes a bit longer to boot initially. I guess the usb flash would also benefit from your mods.

I am only using 128mb ram so how much memory should I use to maximize it's use?
 

Best regards,
Klaus Rung, VE3KR



From: "Klaus Rung k_rung@... [irlp]" <irlp@...>
To: "irlp@..." <irlp@...>
Sent: Sunday, June 21, 2015 9:41 PM
Subject: Re: [irlp] Node 6506 VK3RVZ - Brighton Victoria

 
The info you give is very helpful Noel.

I am running Dave C's Debian for irlp/echolink on a Neoware thin client using an Apacer 2g 44 pin flash memory drive so would your instructions below be of use in my system or are the Apacer no different to any other solid state memory that you don't want to write to too many times if you can help it?

Best regards,
Klaus Rung, VE3KR




From: "Noel & Diane noel@... [irlp]" <irlp@...>
To: irlp@...
Sent: Sunday, June 21, 2015 5:40 PM
Subject: Re: [irlp] Node 6506 VK3RVZ - Brighton Victoria

 
Hi
I had a similar incident with node 6398 after I removed supply from the UPS instead of my soldering iron.  6398's only downtime periods has been a direct result of my own fiddling or intervention, rather than component or system failure per say!

A while a go I wrote a manual for setting up LinuxCNC hardware.  Many interesting things were discovered during this journey

Here are some snippets from the manual that are perhaps useful or interesting.

I am sold (for IRLP use anyway) on using DOM (Disk-on-module), the smaller brother to SSD drives

---------------SNIP 1-------------
SSD or DOM
The main point that differentiates an SSD from a DOM drive is storage capacity. SSD hard drives typically store upwards of 500 gigabytes, whereas DOM drives are rarely manufactured to store more than 64 gigabytes.

The second point of note is cost. SSD modules can be pricey and therefore not cost effective for large scale storage. In contrast with the cheaper DOMs, which are ideal for holding an operating system and other small footprint software.
---------------SNIP 1-------------

---------------SNIP 2-------------
Lifespan & Reliability
SSDs have lower fault return rates than mechanical drives. Component return rates published by Marc Prieur on May 6, 2011 from BeHardware are shown below.

HDDs
Western 1.5%
Samsung 1.8%
Seagate 2.0%
Hitachi 3.1%

SSDs
Intel 0.3%
Kingston 1.2%
Crucial 1.9%
Corsair 2.7%
OCZ 3.5%

The lifespan of a DOM is calculated at 1,000,000 hours mean time before failure, - that's over 100 years! In use expect around 16 years MTBF based on 12 GB of data write and erase cycles per day. Power down data retention of 10 years is common.

DOMs can withstand shock to 2,000G and vibrations of 20G between 40-2000Hz

Therefore a DOM is a good alternative to a standard electromechanical hard drive for a LinuxCNC machine in a hostile machine-shop environment.
---------------SNIP 2-------------

---------------SNIP 3-------------
Performance tweaks
In Linux kernel version 3.13, released on 19 January 2014, a firmware change notably increased the performance offered by SSDs by allowing much higher data rates.

In terms of drive longevity, reducing drive write cycles is an area of debate, but in terms of performance, the following steps can improve system performance significantly.

Normally every time Linux reads a file, a time stamp is written back to the drive. Adding the noatime option to the disk-mounting command disables this time stamping.

Linux also writes many temporary files to the drive, these files can be safely stored in RAM, as they are not needed on a permanent basis. Moving most temporary files to a ram disk reduces the number of writes to the DOM, increasing system performance.
---------------SNIP 3-------------

---------------SNIP 4-------------
Editing fstab
So after LinuxCNC is installed, run

sudo nano /etc/fstab

You will then need to enter your password. In fstab you should see a line something like this:
UUID=8037fd09-ea0d-4c28-a348-1fbdf9fb0b92 / ext4 realtime, errors=remount-ro 0 1

Replace the 'realtime' option with the 'noatime' option.
UUID=8037fd09-ea0d-4c28-a348-1fbdf9fb0b92 / ext4 noatime, errors=remount-ro 0 1

Now add the following lines at the end of fstab. They move most temporary files to a ram disk.
tmpfs /tmp tmpfs defaults, noatime 0 0
tmpfs /var/run tmpfs defaults, noatime 0 0
tmpfs /var/log tmpfs defaults, noatime 0 0
tmpfs /var/lock tmpfs defaults, noatime 0 0
tmpfs /var/tmp tmpfs defaults, noatime 0 0
tmpfs /var/lib/dhcp3 tmpfs defaults, noatime 0 0

Save the file and re-mount the filesystem with.
sudo mount -a

You should now have a fully working system that only does the absolute minimum of writes to the card, ensuring a much improved performance.
---------------SNIP 4-------------

OK guys, hope this stirs some useful discussion on SSDs - in particular longevity and data wear issues vs system performance.  (Mars rover Opportunity is still going with 11 year old DOMs on board)

My take home message for IRLP users in particular - Buy BIG DOMsGet an 8G or 16G DOM instead of the minimum-size-required and stick all the temporary files into RAM.

Let the discussion begin!

73s de Noel
ZL1NC 
6398  6767


-----Original Message-----
From: jphdg@... [irlp] <irlp@...>
Reply-to: irlp@...
To: irlp@...
Subject: [irlp] Node 6506 VK3RVZ - Brighton Victoria
Date: 20 Jun 2015 06:37:34 -0700

  VK3RVZ Node 6506 has been unavailable recently, and notably has been missed by its regular users.





Setting audio levels through a controller

Chris Hembree
 

If I remember right, I can send a  1kc  tone @ -10 Db through my audio ( in ports) to the controller for the repeater  port and IRLP computer port. Adj the controller for + - 3khz dev on the service monitor and I should be good to go.


I did this about 4 years ago and forgot how I did it.


Is this the way to do it or is there a better way?


Thanks for your help.

Chris W7TCH

 


Re: Salvation Army Trucks with Dual band radio in British Columbia

Dave K9DC
 

If there is no IRLP node in the area, and no ability to get one nearby, all the reflectors in the network are not going to help. If there is a node that can be reached, then you can use any reflector in the network.

-k9dc

On Aug 22, 2015, at 12:33, va7dgp@gmail.com [irlp] <irlp@yahoogroups.com> wrote:


Greetings
I've been tasked to figure out away.
Trucks that are staged at a Fire in the Interior of BC. How can they connect with the EOC/Radio Room. I know that there may not be IRLP node in their area. Hf is out as the trucks only have dual band radio. Place like Ossoyoos, Oliver, Trail, etc.

I know 9032 use to be used by Satern in Ontario. I know that we could probably connect to it. It's getting the OK for local SYSop to use said repeater for an extended about of time.


Salvation Army Trucks with Dual band radio in British Columbia

va7dgp@...
 

Greetings


I've been tasked to figure out away. 


Trucks that are staged at a Fire in the Interior of BC. How can they connect with the EOC/Radio Room. I know that there may not be IRLP node in their area. Hf is out as the trucks only have dual band radio. Place like Ossoyoos, Oliver, Trail, etc. 


I know 9032 use to be used by Satern in Ontario. I know that we could probably connect to it. It's getting the OK for local SYSop to use said repeater for an extended about of time.


John McEwan is the Director of the Salvation Army BC Emergency Disaster Service,  VA7TSA callsign for the Salvation Army Division in BC

His email is: john_mcewan@... (VA7JCM)


He did say it's almost the time to open up EOC what with the Fires in Washington State so close to the BC border.

Any Idea's from the SYSop in that area that can help John out 


Don va7dgp

Satern BC


I need some help with Node 7978

Ed Harwood
 

Hello to the group,


I am the owner of Node 7978. Yesterday I developed a problem with my node computer. I performed a backup with no problem and was able to look at the files with my Windows 7 computer using the WInSCP program. I was able to connect into the IRLP system, but the computer was causing some interference on my radios.


I decided to change computers, so I took the hard drive out of the problem computer and installed it in another computer that I had on stand by. I installed the IRLP board and set everything up and ran the troubleshooting script to check out the system. Well my fears were realized and I found that my port forwarding was all messed up. I went into my router to setup the port forwarding, but it won't even recognize the node computer. I checked the ifconfig eth0 command and it won't recognize an IP address. The other computer did recognize an IP address. On the troubleshooting script it couldn't find a DNS server either. It acts just like it is not even on the Internet.


If somebody could please help me out I would sure appreciate it very much. Maybe if I could even give somebody a phone call for some help that would be even better and much faster.


Thank you so much.


Ed Harwood, W5CVE



Re: Port Question?

Dave K9DC
 

No. Every node needs a unique public IP address.

There are many ways to solve the problem:

Obtain multiple IPs from your provider (I have a block of 6 at home from Comcast);

VPN tunnel on the node (requires a very stable underlying connection);

Cellular modem with a unique public address (substantial fee up front to establish service, but probably the least expensive in the long run).

-k9dc

On Aug 21, 2015, at 16:13, dean@alpinesoft.com [irlp] <irlp@yahoogroups.com> wrote:



Dave,

Was the issue with running multiple nodes behind a single firewall ever solved?


Re: Port Question?

Dean
 

Dave,

Was the issue with running multiple nodes behind a single firewall ever solved?


File - 2-Week Reminder

irlp@...
 

This Yahoolist was created for node owners to gather and share technical information and discuss the operation of their IRLP nodes. It has also become an official means for the IRLP Project Team to send out important announcements to node owners.

**NEW** SPAM SPAM SPAM
Yes - the occassional SPAM message will make it to the list. P L E A S E - DO NOT respond, comment or start a thread about same. This rule is critical to keeping sanity on the list.

SEARCH FOR TOPICS BEFORE POSTING THEM
Yahoogroups has a very nice Advanced Search feature which allows you to search the whole archive of messages in one search. Please type some keywords from your question in the "Message Body" and "Message Subject" to look for answers before asking them in the group. Thank you.

NODE PASSWORDS
Several nodes have been hacked as a result of brute force attacks. In each case these breaches were a result of password that was a common persons name or callsign. A brute force attack is one in which all possible words of a certain length are attempted until a correct one is found. Crack dictionaries which contain a list of common words and phrases can easily be found on the Internet. Many crack dictionaries contain entire scripts to popular movies and entire sets of song lyrics - so be warned.

A strong password is as long as possible. Always use at least six characters in your password. The longer the password, the more difficult it is to attack with a brute-force search.

STRONG PASSWORDS...
- Have both upper and lower case letters.
- Have digits and/or punctuation characters as well as letters.
- Are easy to remember, so they do not have to be written down.
- Are AT LEAST six or more characters long.

YOUR SSH PORT
Most attempts to compromise any box or done on the standard FTP/SFTP port numbers of 22 and 23. It is advisable to change the SSH port of your node to something other than 22. To do this log into your box as root and edit the file.... /etc /ssh/sshd_config

Uncomment out the port and change it to whatever you wish as long nothing else is using that port. You will need to restart SSH so as long as you are logged right at the node and NOT via ssh, enter the following commands -
service sshd stop
service sshd start

The new port will now be in effect. Remember to change your routers port forwarding or you will not be able to remotely access the node. And like your new secure password, remember the new port number.

MAIL VOLUME
NOTE: If you are overwhelmed by the traffic on this list do not choose the No Email option but rather configure your list membership using the following option: Special notices. Only send me important update emails from the group moderator. This option will assure you still receive infrequent yet important emails from the moderators.

YOUR RIGHTS
It is "NOT" your right as a node owner to have access to this list.
Node owners who cannot get along with the majority of this group will be unsubscribed .

This reminder is sent every two weeks to the list.

Thank you,
Dave VE7LTD


Re: Updating additional frequencies on IRLP Website

Dave Schultheis
 

On 8/15/2015 6:04 PM, Klaus Rung k_rung@yahoo.com [irlp] wrote:


Dave, I just tried it and it does not update. I cannot even get the
coordinates of the second transmitter to take or the location. Very strange.
Best regards, Klaus Rung, VE3KR

Sorry, Klaus. I remember having a hard time getting the primary radio information entered, so I sympathize, but it's been so long that I don't recall the solution.

One of the "smarter than me" guys will be along soon to help you, I'm sure.

--

Dave Schultheis
WB6KHP San Jose

IRLP 3246


Re: Updating additional frequencies on IRLP Website

Klaus Rung
 

Dave, I just tried it and it does not update. I cannot even get the coordinates of the second transmitter to take or the location. Very strange.
 
Best regards, Klaus Rung, VE3KR



From: "Dave Schultheis dave6592@... [irlp]"
To: irlp@...
Sent: Saturday, August 15, 2015 6:50 PM
Subject: Re: [irlp] Updating additional frequencies on IRLP Website

 
Klaus KR wrote:

> I am trying to update a nodes extra frequencies remotely but am having
> great difficulty completing the task. Can someone tell me the proper
> syntax for 5 mhz + offset as everything I have tried so far does not
> seem to take. Every time I save the setting the page says that it sent
> the info, does not come back with an error but will not update the field.
>
> I have updated the Call, Freq, and Pl tone but the rest I cannot get to
> update.

For the offset, I seem to recall that you must enter four zeroes after
the decimal point. For a plus offset, you just enter 5000.0000 while
for a minus offset you would enter -5000.000

I think.

--

Dave Schultheis
WB6KHP San Jose

IRLP 3246



Re: Updating additional frequencies on IRLP Website

Klaus Rung
 

Thanks Dave, I will give that a try. I think I might have done that but am not sure so I will repeat it and see if it works. Strange that it will not even accept the name of the location though and seems that there is a special syntax for that. Almost like something is broken.
 
Best regards, Klaus Rung, VE3KR



From: "Dave Schultheis dave6592@... [irlp]"
To: irlp@...
Sent: Saturday, August 15, 2015 6:50 PM
Subject: Re: [irlp] Updating additional frequencies on IRLP Website

 
Klaus KR wrote:

> I am trying to update a nodes extra frequencies remotely but am having
> great difficulty completing the task. Can someone tell me the proper
> syntax for 5 mhz + offset as everything I have tried so far does not
> seem to take. Every time I save the setting the page says that it sent
> the info, does not come back with an error but will not update the field.
>
> I have updated the Call, Freq, and Pl tone but the rest I cannot get to
> update.

For the offset, I seem to recall that you must enter four zeroes after
the decimal point. For a plus offset, you just enter 5000.0000 while
for a minus offset you would enter -5000.000

I think.

--

Dave Schultheis
WB6KHP San Jose

IRLP 3246



Re: Updating additional frequencies on IRLP Website

Dave Schultheis
 

Klaus KR wrote:


I am trying to update a nodes extra frequencies remotely but am having
great difficulty completing the task. Can someone tell me the proper
syntax for 5 mhz + offset as everything I have tried so far does not
seem to take. Every time I save the setting the page says that it sent
the info, does not come back with an error but will not update the field.

I have updated the Call, Freq, and Pl tone but the rest I cannot get to
update.

For the offset, I seem to recall that you must enter four zeroes after the decimal point. For a plus offset, you just enter 5000.0000 while for a minus offset you would enter -5000.000

I think.

--

Dave Schultheis
WB6KHP San Jose

IRLP 3246


Updating additional frequencies on IRLP Website

Klaus Rung
 

I am trying to update a nodes extra frequencies remotely but am having great difficulty completing the task. Can someone tell me the proper syntax for 5 mhz + offset as everything I have tried so far does not seem to take. Every time I save the setting the page says that it sent the info, does not come back with an error but will not update the field.

I have updated the Call, Freq, and Pl tone but the rest I cannot get to update.

Those are Offset, Location, Lat, and Long.


Klaus Rung, VE3KR


Re: Node 8023

Dave K9DC
 

The first thing to do is to determine the actual IP address on the node computer. This is obtained on the node with the ‘ifconfig eth0’ command. That IP address is the target of the port forwarding set up on your router.

Make sure your router is configured to forward all the ports used by IRLP, to the IP address obtained from the node, as indicated above.

One thing that can make this way more complicated, is if you happen to have TWO routers. One you own yourself, and one provided by your service provider.

-k9dc

On Aug 13, 2015, at 14:06, ifi@gabali.us [irlp] <irlp@yahoogroups.com> wrote:

trouble shoot ports not forward correctly but when I look it seems to be not sure what I am missing.?

in router all is ok.


Re: Node 8023

ifi@...
 

trouble shoot ports not forward correctly but when I look it seems to be not sure what I am missing.?

in router all is ok.


Re: Node no longe ID's

Andy KB7B
 

James,

I think John is right. Perhaps power was
interrupted on your system and you lost
your /home/irlp/custom/environment file.

I just checked my /home/irlp/custom
directory and I too now have a
environment.tmpl file dated Nov 11, 2013.
I did not create this file and it is missing
several important entries.

There is no
export CALLSIGN=
export STATIONID=
export LINUX_OS=

and the

export USE_INTERVAL_ID=
is set to NO.

I would see if you can reconstruct your
/home/irlp/custom/environment
file from a backup and see what
happens.

The environment.tmpl seems to be some
sort of template file that is likely missing
important information for your node.

-Andy, KB7B
7583

--------------------------------------------

On Wed, 8/12/15, John gielisj@westnet.com.au [irlp] <irlp@yahoogroups.com> wrote:

Subject: Re: [irlp] Re: Node no longe ID's
To: "IRLP@yahoo" <irlp@yahoogroups.com>
Date: Wednesday, August 12, 2015, 11:31 PM

Why are you messing with the ID
script?

Please explain how the system can operate without your
environment file?
The file you seem to be editing (environment.tmpl) is a
temporary file.
Who/what changed it's name?
The file /home/irlp/custom/environment should be owned by
root.
If you run troubleshoot-irlp script it should show if your
environment
is corrupted or not.

73 John@6163


> On 13-Aug-15 12:00:56 PM, va3ijs@rac.ca [irlp]
(irlp@yahoogroups.com)
wrote:
> > Hello Andy,
> I have given up for now but, I do not see those
settings in the environment, those settings for me seem to
be in the environment.tmpl folder. I tried running that
script : ps -ef ?grep inter and it gives an errornot sure
what the character is infront of grep
> Not sure what has happened but I no longer have any
voice ID at all on my node. I was considering re installing
too see if that fixes it? I am running Centos 4.9
> James
>
>
>
>


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