nc missing option -z
by Suvayu Ali
Hi,
I used to use netcat to check if a particular host is up or if I have
internet connection before I run a few scripts. I would use the -z
option in particular. But now I see that has been removed:
$ nc -z imap.gmail.com 993 && sync-my-email.sh
ncat: invalid option -- 'z'
Here is the excerpt from the old manual page:
-z Specifies that nc should just scan for listening daemons, without
sending any data to them. It is an error to use this option in
conjunction with the -l option.
Any ideas what happened to it? What can I use as replacement?
Thanks for any ideas.
--
Suvayu
Open source is the future. It sets us free.
7 years, 7 months
F21: Thunderbird insists on calling Fedora list messages junk!
by William Mattison
Good afternoon,
Most messages received from this fedora list are labelled junk by
Thunderbird. This is even though I whitelisted "From" =
"users-request(a)lists.fedoraproject.org". Actually, I have this problem
both in my Fedora-21 and my windows-7 systems. Any ideas? Surely
messages from this list are not junk!
thanks,
Bill.
7 years, 10 months
installing via VNC over ipv6
by Chris Murphy
This suggests installation using vnc over ipv6 is supported:
https://fedoraproject.org/wiki/Anaconda/Features/Ipv6OnlyInstallation
But when I use inst.vnc boot option, I get an text screen that says to
connect to an ipv4 address, an ipv6 address isn't listed. When I go to
a shell and use 'ip addr' there is a global ipv6 address, but no
formatting for tigervnc I've come up with will connect, it won't
connect:
vncviewer.desktop[12590]: CConn: unable connect to socket:
Invalid argument (22)
If I boot Fedora 23 Server on this same hardware, the 'ip addr'
address can be used successfully to ssh into the server, and also
point a browser to https://[ipv6]:9090 to reach the Cockpit interface
successfully.
root 1744 0.0 0.9 251060 36468 pts/0 Sl+ 03:29 0:00 Xvnc
:1 -depth 16 -br IdleTimeout=0 -auth /dev/null -once
DisconnectClients=false desktop=Fedora rawhide installation on host
10.0.0.15 SecurityTypes=None rfbauth=0
I can't tell if -InTransports needs to explicitly specify ipv6 for it
to work. But at this point I'm stumped and can't tell if it's user
error or a bug. And netstat isn't on non-live media apparently so I
don't have access to that while xvnc is running to see if it's
listening over something other than just an ipv4 address.
--
Chris Murphy
7 years, 11 months
smplayer volume control
by Andre Robatino
For a long time now, the smplayer (from RPMFusion) volume control is
vertical, instead of horizontal, with a negligible height, so it's
essentially useless. This is still true with the latest version
smplayer-16.1.0-1.fc23, and even after deleting ~/.config/smplayer. Do all
Fedora users see this, and can it be fixed?
8 years, 1 month
Fedora 23 KDE spin / XEN / virt-manager and vmlinuz-4.3.3-301.fc23.x86_64
by Outback Dingo
So my environment
Fedora 23 KDE spin
XEN-4.5.2 and kernel 4.2.8 booted via EFI where everything works fine using
virt-manager to manage vms under XEN, all is good.
a recent update installed kernel-4.3.3 so i reset the xen efi
configuration, booted got into the desktop no problems. The issue arises
when trying to launch vms from virt-manager, it always throws
a virt-manager viewer connection to hypervisor host got refused or
disconnected.
however, if i go back to using kernel 4.2.8 it all works fine. So there in
lies the question, whats changed that is now preventing virt-manager from
aunching vms properly.
Sorry for the cross post, just trying to find the answer. thanks in advance
8 years, 3 months
searching raid 6 card working with fedora 23
by thibaut noah
Hello, all in the title, i'm sick of loosing hours trying to get hardware
working with super outdated drivers (tech support not helping) so if anyone
knows a raid card compatible with raid 6 AND that will work on fedora 23
please by all means share it.
Price is not relevant, i can go up to 300euros/dollars if needed, i just
want something that works for sure.
8 years, 3 months
Re: gnuplot help
by Antonio Olivares
>> Subject: Re: gnuplot help
>>
>> On 2015-11-10 19:04, Antonio Olivares wrote:
>>> The only one that works is the following one:
>>>
>>> http://plotshare.com/index.ws/plot/858779550
>>>
>>> I wanted to change it, put the dates and the opponent and make it look
>>> like a bar graph. I tried modifing the code and add the style used by
>>> Marco F. a fellow Fedora/open source user:
>>>
>>> http://www.techrepublic.com/blog/linux-and-open-source/how-to-handle-time...
>>>
>>> But I cannot get it to work.
>>
>> Hi Antonio,
>> "Marco F. a fellow Fedora/open source user" here. Thanks for
>> your interest in my pieces.
>>
>> It's been a while since I last seriously worked with Gnuplot,
>> so I am not really current about it anymore, and cannot
>> promise anything :-) Whoever is more up to date than me, please step in!
>>
>> This said, my understanding is that the actual code you are trying to
>> make
>> work is NOT the one visible at the plotshare urls you provided,
>> which is only an example.
>>
>> Is this correct? If yes, I (and I think the others too) would need to
>> see the WHOLE gnuplot code and data files that you tried to run, and
>> the complete error message you get. If I'm wrong, please explain. In
>> any case, we'd need to see at least the complete error message, to
>> continue.
>>
>> HTH,
>> Marco
>>
>> --
>> http://mfioretti.com
>
> Yes and no. The data is the same, and I tried to modify it but was
> getting things wrong. The plotshare url that is there works.
>
> [olivares@localhost tmp]$ cat gfga2015.plt
> #set term pngcairo size 800,600 transparent nocrop enhanced font
> 'Verdana,11'#define axis
> #set style line 11 lc rgb '#808080' lt 1
> #set border 3 back ls 11
> set tics nomirror
>
> #define key
> set key opaque
>
> # define grid
> #set style line 12 lc rgb '#808080' lt 0 lw 1
> #set grid back ls 12
>
> # define linecolors
> set style line 1 lc rgb '#0060ad' pt 2 ps 1 lt 1 lw 2 # --- blue
> set style line 1 lc rgb '#8b1a0e' pt 1 ps 1 lt 1 lw 2 # --- red
> set style line 2 lc rgb '#5e9c36' pt 6 ps 1 lt 1 lw 2 # --- green
>
> #set key bottom right
>
> set xlabel 'Game '
> set ylabel 'Goals scored'
> #set xrange [0:1]
> #set yrange [0:1]
> set grid
> set xdata time
> set timefmt "%Y%m%d"
> set xtics border in scale 1,0.5 rotate by -90 nomirror offset character
> 0, 0, 0
>
> plot 'gfga2015.dat' u 1:2 t 'Grulla Goals Scored' w lp ls 1,
> 'gfga2015.dat' u 1:3 t 'Opponents Goals' w lp ls 2
> [olivares@localhost tmp]$ cat gfga2015.dat
> # Date GF GA#Opponent
> 20150103 0 10 # Edinburg Vela
> 20150106 1 0 # Zapata
> 20150113 2 0 # Lyford
> 20150116 0 0 # Roma
> 20150120 0 3 # Mercedes
> 20150123 1 2 # Laredo Nixon
> 20150203 8 1 # Zapata
> 20150210 1 9 # Hidalgo
> 20150213 3 1 # Raymondville
> 20150216 1 0 # Monte Alto
> 20150220 0 0 # Zapata
> 20150226 0 4 # Hidalgo
> 20150306 2 2 # Raymondville
> 20150317 6 1 # Monte Alto
> 20150326 3 0 # Port Isabel
> 20150403 0 7 # Rockport-Fulton
>
> But I changed it to the above with the dates and it works, but the dates
> don't get formated like I would like. Also our games are on Tues and
> Fridays of every week except on tournaments and scrimmages, I wanted to
> change the code to represent that, and no matter how much I try I get
> tics at two or three spaces using part of the examples, ie.,
>
> set xtics format "%b %d"
>
> set xtics "20110105", 259200, "20110430"
>
> 259200 for 3 days difference
> 172800 for 2 days tics apart and so on.
>
>
> I add this to the script and I get different results, If I include tics
> at 1 unit apart, then thing get messy. I want to look at a nice graph.
> The one at url
>
> http://plotshare.com/index.ws/plot/338384601
>
> I got it to work on my desktop, but I do not know enough of gnuplot for
> it to just plot on top of quadrant 1 and not go below. Here's the code.
>
> [olivares@localhost tmp]$ cat 2015gfga.plt
> #set terminal postscript eps color solid
> set border linewidth 1.5
> set style histogram errorbars linewidth 1.5
> set style data histograms
> set style fill solid 1 border -1
> set ylabel "Goals Scored" font "Helvetica,16"
> set xtics border in scale 1,0.5 rotate by -90 nomirror offset character
> 0, 0, 0
> #set xtics border in scale 1,0.5 rotate by -45 nomirror offset character
> 0, 0, 0
> set grid
> #set xdata time
> #set timefmt "%Y%m%d"
> #set xtics ( 'Edinburg Vela' 20150103, 'Zapata' 20150106, 'Lyford'
> 20150113, 'Roma' 20150116, 'Mercedes' 20150120, 'Laredo Nixon' 20150123,
> 'Zapata' 20150203, 'Hidalgo' 20150210, 'Raymondville' 20150213, 'Monte
> Alto' 20150217, 'Zapata' 20150220, 'Hidalgo' 20150227, 'Raymondville'
> 20150306, 'Monte Alto' 20150317, 'Port Isabel' 20150326, 'Rockport
> Fulton' 20150403 ) rotate by 90 right
> set ytics 1 nomirror
> set key top left
> #Start of user script
> #---------------------
> ExtData1 = '2015gfga.dat'
> plot '2015gfga.dat' using 3:2:xtic(1) title col lc rgb '#084594',
> '2015gfga.dat' using 2:3:xtic(1) title col lc rgb '#f6e8c3'
> [olivares@localhost tmp]$ cat 2015gfga.dat
> Test Opponents Grulla Opponents
> 1-Edinburg-Vela 0 10
> 2-Zapata 1 0
> 3-Lyford 2 0
> 4-Roma 0 0
> 5-Mercedes 0 3
> 6-Laredo-Nixon 1 2
> 7-Zapata 8 1
> 8-Hidalgo 1 9
> 9-Raymondville 3 1
> 10-Monte-Alto 1 0
> 11-Hidalgo 0 4
> 12-Raymondville 2 2
> 13-Monte-Alto 6 1
> 14-Port-Isabel 3 0
> 15-Rockport-Fulton 0 7
> [olivares@localhost tmp]$
>
> I would like to change the numbers 1 to 20150103 display it along with
> the opponent, but things get messy so my best guess would be to just
> format it manually instead of experimenting things out. If anyone can
> help me fix/adjust the code so that It just prints the bar graphs of
> opponents goals vs our goals and not go below to quadrant 3 please let me
> know.
>
> Best Regards,
>
>
> Antonio
I replied to Marco and thought that I automagically replied to the list. I got it to work by manually changing the data with the dates:
2015gfga.dat
--------------------------------
Test Opponents Grulla Opponents
2015/01/03-Edinburg-Vela 0 10
2015/01/06-Zapata 1 0
2015/01/13-Lyford 2 0
2015/01/16-Roma 0 0
2015/01/20-Mercedes 0 3
2015/01/23-Laredo-Nixon 1 2
2015/02/03-Zapata 8 1
2015/02/10-Hidalgo 1 9
2015/02/13-Raymondville 3 1
2015/02/17-Monte-Alto 1 0
2015/02/20-Zapata 0 0
2015/02/26-Hidalgo 0 4
2015/03/06-Raymondville 2 2
2015/03/17-Monte-Alto 6 1
2015/03/26-Port-Isabel 3 0
2015/04/03-Rockport-Fulton 0 7
then modified 2015gfga.plt and added a range
set yrange [0:10]
will fix the graph to what I would like
[olivares@localhost tmp]$ cat 2015gfga.plt
---------------------------------------------------
#set terminal postscript eps color solid
set border linewidth 1.5
set style histogram errorbars linewidth 1.5
set style data histograms
set style fill solid 1 border -1
set ylabel "Goals Scored" font "Helvetica,16"
set xtics border in scale 1,0.5 rotate by -90 nomirror offset character 0, 0, 0
#set xtics border in scale 1,0.5 rotate by -45 nomirror offset character 0, 0, 0
set grid
#set xdata time
#set timefmt "%Y%m%d"
#set xtics ( 'Edinburg Vela' 20150103, 'Zapata' 20150106, 'Lyford' 20150113, 'Roma' 20150116, 'Mercedes' 20150120, 'Laredo Nixon' 20150123, 'Zapata' 20150203, 'Hidalgo' 20150210, 'Raymondville' 20150213, 'Monte Alto' 20150217, 'Zapata' 20150220, 'Hidalgo' 20150227, 'Raymondville' 20150306, 'Monte Alto' 20150317, 'Port Isabel' 20150326, 'Rockport Fulton' 20150403 ) rotate by 90 right
set ytics 1 nomirror
set key top left
#Start of user script
#---------------------
ExtData1 = '2015gfga.dat'
plot '2015gfga.dat' using 3:2:xtic(1) title col lc rgb '#084594', '2015gfga.dat' using 2:3:xtic(1) title col lc rgb '#f6e8c3'
I had in the last line
plot 'ExtData1' using 3:2:xtic(1) title col lc rgb '#084594', '' using 2:3:xtic(1) title col lc rgb '#f6e8c3'
and gnuplot was reporting an error. I modified it to above and removed ExtData1 reference and it worked.
I tried to set the xtics manually and change them according to Marco's reference, but the graph did not refect all the games so I modified the data file and added the date and the opponent and then modified the range to prohibit the line going below and keep everything in quadrant I. If anyone has a nicer way to make the graph look better, or format it using something else please help. I would like for our athletes to see what we need to work on the Goal Differential and not allow too many goals against us.
Best Regards,
Antonio
____________________________________________________________
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8 years, 3 months
nvidia-304xx broken with new kernel
by David A. De Graaf
The latest two kernels and the nvidia-304xx module are incompatible.
That is, the nvidia.ko module built by akmod-nvidia-304xx won't load.
That means that my three machines with older nvidia video cards (one
built into the mobo) are stuck running the old
> kernel-4.2.8-300.fc23.x86_64
kernel-4.3.3-300.fc23.x86_64
kernel-4.3.3-301.fc23.x86_64
In the past, incompatibilities were resolved in about a week.
This time, it's nearly a month. No new package of akmod-nvidia-304xx
or kmod-nvidia-304xx has shown up at the
rpmfusion-nonfree-updates[-testing] repo.
The akmod-nvidia-340xx module on another machine that needs it runs fine.
Does anyone have a clue when this older version of the nvidia module
might be fixed?
Here are the error messages with the newer kernel:
Console error message when trying to run 'startxfce':
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
modprobe: ERROR: could not insert 'nvidia': Unknown symbol in module,
or unknown parameter (see dmesg)
>From dmesg:
...
[ 12.563315] nvidia: module license 'NVIDIA' taints kernel.
[ 12.563325] Disabling lock debugging due to kernel taint
[ 12.573867] nvidia: Unknown symbol mtrr_del (err 0)
[ 12.573977] nvidia: Unknown symbol mtrr_add (err 0)
...
[ 31.162308] nvidia: Unknown symbol mtrr_del (err 0)
[ 31.162397] nvidia: Unknown symbol mtrr_add (err 0)
...
[ 81.656643] nvidia: Unknown symbol mtrr_del (err 0)
[ 81.656736] nvidia: Unknown symbol mtrr_add (err 0)
--
David A. De Graaf DATIX, Inc. Hendersonville, NC
dad(a)datix.us www.datix.us
It has been said that politics is the second oldest profession.
I have learned that it bears a striking resemblance to the first.
- Ronald Reagan
8 years, 3 months
