Red Hat / Fedora :: Extend The Range Of Registered Serial Interface ?
Jan 25, 2010
Im currently using kernel version 2.6.33.3 and i have recompiled. I have bought a serialboard(PCIe 7800) from addi-data and im not sure whether it is properly installed.
When i type in "cat/proctty/drivers", the listing contain a line:
When i type in "lspci",
From my card distrubutor, 7013 means it is APCIe-7800. meaning my system identified the board correctly. why is there an "Unknown" word in the line?
When i type "dmesg", it only shows i have 4 ports,
And i dun have the identification of the PCI slot in which the board is plugged from these "dmesg" command which are usually type MMIO.
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Oct 2, 2010
I basically want to download a the differnet parts of a file using several interfaces and then want to combine them.
Something like:-
Code:
But, the problem is that I am on a faulty conenction so the connection breaks frequently. And I cannot resume using CURL.
So, I need an alternative download manager..I have tried looking at wget but it doesnt support binding to interface or either option to specify range of file to download..
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Feb 8, 2009
Test 9 brings up this error:
Code:
Test 9: ERROR
--------
Akonadi control process not registered at D-Bus. Details: The Akonadi control process is not registered at D-Bus which typically means it was not started or encountered a fatal error during startup. How can I solve this?
F10 x86_64
akonadi-1.0.0-4.fc10.x86_64
mysql-5.0.67-2.fc10.x86_64
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Jan 18, 2011
it get hanged on NET:Registered protocol family 2
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Jan 23, 2011
Today my keyboard and or mouse repeatedly stop responding some minutes after boot. Currently the mouse stops responding after a few seconds of movement immediately after boot. Yesterday I used the machine most of the day, yet this issue didn't arise. Today I used it for a few hours before the issue developed. I did a full system update from the fresh install yesterday night. It's therefore possible that this issue has arisen as a result of the update, and that today the onset was delayed for some reason.
Earlier today I had the same problem with the keyboard. I replaced the batteries thinking that this was the cause. Now it looks like both keyboard and mouse are affected by the same problem. When the mouse stops functioning and the keyboard remains active, I unplug the mouse and replug it in, but it still does not respond, and only the unplug, and not the replug, are detected and logged in dmesg. I noticed ever since I installed Fedora yesterday that plugging in new usb devices after boot did not result in them being recognised, and that if I unplugged a mouse or keyboard and plugged them in again they would not work (requiring a hard reset). Currently the machine isn't usable as I cannot use the mouse for more than a few seconds. I haven't tried a PS2 connection, and currently I have keyboard access.
Hardware:
Fujitsu LZ945230BH1 USB Mouse
Microsoft Arc Bluetooth Wireless USB Keyboard
Running Fedora 14.
I haven't tried PS2. My keyboard and mouse appear to be working again (25 mins and still responsive).I unplugged all USB devices except for the keyboard, mouse, and wifi dongle. This appears to have solved the problem. Other devices that were plugged in were a USB to SATA external HDD caddy (powered off), and a serial USB connection to a Sheeva Plug computer (mini server). how I can use all my USB ports in future without this issue arising?
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Oct 15, 2010
I have a 100GB HD with FC13 installed, default layout with options suggested during installation. I recently purchased a SSD 120GB and move the data the old HD from it with dd if=/dev/sda of=/dev/sdb bs=1M. Since the SSD is 120 Gb, so I should have 20GB space not utilized.
After the moving,
# fdisk /dev/sda1
Disk /dev/sda: 128.0 GB, 128035676160 bytes
255 heads, 63 sectors/track, 15566 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code].....
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Jun 23, 2009
get me understand the short range and the long range links from routing (and routing protocols') point of view.
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Apr 24, 2011
I want to plot a set of data in only one plot.The problem is that some points of the data should be better plotted in a linear scale (lets say 0 to 100,000) but there are other data points that, exceding the value 100,000, would be better plotted in a logarithmic scale, as they goes in the range 100,000 to 500,000,000. Let's say the data is:
Code:
X Y
0 100
10000 80
20000 75
[code]....
Is there a way to plot all these points in the same plot in only one X-axis showing two different ranges in that axis: linear: 0-100,000 logarithmic: 100,000 - 1,000,000,000?The axis would be read, for example, as:
Code:
|-----|-----|-----|-----|-----|-----|-----|-----|-----|
0 20k 40k 60k 80k 100k 1M 10M 100M 1G
(The abbreviations k-M-G are not the important point. Just shown for clarity)
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Mar 30, 2011
Currently, I am at 99% capacity with a 1TB hard drive (sda). I want to add an extra 2TB storage (sdc) by extending the current volume group using LVM.
[URL]
I can see that it is extended from the LVM GUI (System - Admin - LVM). However, when I download anything, the system says I am still at 99% capacity.
Code:
[root@localhost /]# fdisk -l
Disk /dev/sda: 1000.2 GB, 1000203804160 bytes
255 heads, 63 sectors/track, 121601 cylinders
[code]....
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Apr 11, 2011
I want to build a bash script, which can ping a range IP adresses which will be filled in by the admin. If there is no IP-adress filled in, then the script must ping the subnet where the system is logged on. So if my ip is 192.168.1.6, then the script must ping from 192.168.1.1 till 192.168.1.255 Or else, if there is given a beginning and ending ip it must ping that!
The first part of the bash script is to ping a given range (see below). But there is one problem, how can I tell the script to ping from $begin till $end, [..] is of course wrong! But what must be filled in there???
echo "Enter beginning IP-adres:"
read begin
echo "Enter ending IP-adres:"
read end
ping -c 1 $begin [..] $end
The second part is to find my own ip and ping the whole range.. How to do that? I only can find my own IP, but I cant ping the whole range,, how to do that?
#!/bin/bash
ifconfig | grep 'inet addr:' | grep -v '127.0.0.1' |
cut -d: -f2 | awk '{ print $1 }'
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Mar 4, 2011
I have an Asus eee, it has a solid state drive which has been partitioned with a 4GB and 8GB partition. I installed Fedora 14 onto the 4GB partition but I am running out of space. I have formatted the 8GB partition with ext4 but I am unsure the best way to create more space for the default installation. Can I extend my / partition onto the 8GB partition or possible move the /swap partition onto it?
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Mar 6, 2011
I have a system with a single disk that is partitioned as below:
1) hda
hda1 - boot partition - 0.3GB
hda2 - System - 15.7GB
There are 2 volumes on single group. The boot partion is a physical volume and the system is a logical volume. The disk has more room up to 40GB. How can I extend the logical volume. Tried system-config-lvm, but it does not gives the option.
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Apr 1, 2010
Is there a way to extend a partition?
I cloned from a 150 gb drive to a 500gb drive. It left a unused 340gb part.
When I load up the Disk Utility, I have the following:
214mb Linux Ext4
160gb LVM2
340gb uninitialized
Is there a way to extend or combine the 160gb and the 340gb without re-installing Fedora
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Nov 5, 2010
I have installed my Fedora on a LVM2 group and alocated a total of 10 GB. Which of course is abusrdly and ridiculously low space. As a matter of fact I did even more stupid thing - I allocated 4 (four) gigabytes for /swap !
I am complete novice in Linux and fedora, but I want to extend my /root lvm drive with at least 20 gb.
I burned parted magic on a CD and tried to manage the LVM2 grop, but it said LVM2 was not supported in parted magic. And so I tried the Fedora Partition Manager and got lost in what and how. I tried reducing the /swap space and increasing the / space, but failed - I could only select zero Mbytes for swap space, and had the only option of decreasing space for /, which is really not what I want to do.
What I want to do is extend the space for the whole LVM2 Logical Group , which is now 10 GB total for / and /swap. Or at least I'd like to reduce my /swap size and increase my / size.
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Jan 13, 2010
I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5).I have /sbin/agetty -L 9600 ttyS0
in /etc/inittab. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but
cat < /dev/ttyS0. just prints out weird characters from what I type.
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Feb 21, 2009
On my CentOS 5.2 install I've installed a dual-port serial card based on the NetMOS 9835 chipset. I've followed the serial instructions, but everything they tell me to do is already done - see setserial outputs below. I've compared these values to the lspci output (below, NetMos card is at the bottom of the output) for the card and it appears right. Problem being, I can't use the serial ports. Oh and I did use search, and looked at every 9835-related article before posting this :)
[Code]....
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Oct 9, 2015
I am hoping to be able to get an old serial-touchscreen to work with a usb/serial adapter. I had this touchscreen working some years ago on different hardware. I would like to hook it to the machine I am setting up as a multimedia host with mythtv among other things.
Following the instructions I left behind when I got this to work way back when does not work. See [URL] ....
This info is a work around to get the xserver to see the touchscreen. [URL] ....
I do know that the touchscreen works as I am able to get garbage on the screen as in the first part of my howto. But I have not had any success getting xorg to see it. I wish I had posted a copy of the xorg.conf at the time, but......
There is an issue with the current xserver in testing that I am hoping the next update (in unstable) will fix when it gets pushed to testing. That is that Code: Select all# X -configure fails with a segfault. So I am not able to generate the xorg.conf needed to get it to work. I was going to post a bugreport, that is when I found out there is an update in unstable, so I am waiting for it to get pushed at the moment.
Anyway I am hoping that I can link /dev/ttyUSB0 to /dev/tty0 and get it to work. I would like some kind of guess as to my chances of success before I go to all the work of getting the monitor hooked to the host.
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Jun 23, 2011
My LogVol00 has 1 Tb free space. Now I want to share 500gb of LogVol00 to LogVol04. How can I do this?
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Jun 21, 2011
I have a bit of a dilemma. I'm attempting to use a microcontroller to send MIDI messages over a virtual serial port. I want to (eventually) read them with Mixxx. I'm using an FTDI chip, so I get a /dev/ttyUSB0. I've tried spikenzielabs' Serial-Midi program, but it doesn't see any serial ports. NOTEMIDI looks really old and won't compile on my 10.04 LTS machine.
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Mar 23, 2010
We have a new machine with RedHat enterprise 5 on it. I need to connect a serial cable to the serial port and talk to another system (old alpha system) instead of using a VT connected to the alpha.Does RedHat come with anything like Keaterm/hyperterm/etc etc?
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Dec 31, 2009
This link, acpi: thermal/sysfs-api, explains how the new thermal management sysfs class is built, but doesn't give much information about using it. Using watch, I can see that the cur_state of cooling_device2 changes from 0 to 5 when I check "Dim display when idle" in Power Management Preferences. But I haven't found an applet that changes cooling_device0 or cooling_device1.
Echoing different integers to the cur_state files limits the maximum cpu frequency for cpu0 and cpu1, respectively. This behaviour is expected from what I've read, and mimics the options in Windows power manager for extending battery life by throttling the CPUs. I've had no luck with google and local man pages, so has anybody has seen an applet for controlling /sys/class/thermal/cooling_device[0|1]/cur_state?
On a side note, a value of 1 does slow the CPU down, but it will still hit 100C (normal for an Intel mobile duo core). However, values of 2 and larger throttle enough to lower the maximum CPU temp. Since the CPU temp is a good indicator of power consumption, it's pretty obvious that these two cur_state files are intended to extend battery life. dd_wizard
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Mar 24, 2010
Is there any method to add a location to the list in the gnome weather applet/clock ?
[EDIT] To be more precise: my location is not there, how to extend the list with my location so I could have weather displayed for my city
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Jun 9, 2009
I am trying to import a gfs2 filesystem using gnbd_import, but I get the error: gnbd_import: ERROR could not find gnbd registered in /proc/devices. This probably means that you have not loaded the gnbd module. yum provides gnbd.ko does not list any packages. Where can I find the gnbd module?
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Mar 29, 2010
I recently installed Fedora 12 -- a brand new install, not an upgrade. The system was previously using Fedora 11 without any problems. Fedora 12 installed without any issues, and I haven't really done any customization to it. I am running KDE. The system is hooked up a KVM switch.
When I am on system #2 (a Windows system) and I switch back to system #1 (Fedora) after a few minutes of time, the Fedora screen will be blank and the monitor will present an "input signal out of range" error. I can SSH into the box and kill X to get the screen back. This has not happened on this system with any previous versions of Fedora that had been running on it (everything since Fedora 7).
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Nov 17, 2009
Ive installed Gaussian '03 on fedora Core 10, but I'm unable to run it. It aborts and i get the following error
Code:
Erroneous write during file extend. write -1 instead of 4096
Probably out of disk space.
Write error in NtrExt1
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Dec 31, 2010
I'm assuming that the following should block the complete 178.123.xxx.xxx address range.
Code:
iptables -I INPUT -s 178.123.0.0/24 -j DROP
Then I believe that I need to save this change.
Code:
service iptables save
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
However, I'm not so sure that it is actually working based on the fact that there continues to be access to my wiki from that address range. The following is after I made the firewall change.
Quote:
178.123.177.61 - - [31/Dec/2010:04:24:40 -0500] "GET /mywiki/Opera%20Web%20Browser?action=edit&editor=text HTTP/1.1" 200 6346 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)"
code....
Let me state that I'm new at this iptables thing. I did some reading and decided that I need to make the above change to the firewall but it doesn't seem to make a difference.
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Sep 9, 2010
I was wondering if it would work as regular ram or would it just not work at all.For a MSI PM8M-V 7104 motherboard [URL]I got this PC as a street throwaway. PS was dead.
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Oct 25, 2010
I am trying to install Wireshark after I "untar"-ed it.This is the first time I am running RH on one of my PERSONAL PC's at home. Do I need to Register my Red Hat OS for "yum" to work? I got this RH cd from work.
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Jan 15, 2009
I cannot install Fedora core 10. It boots up and it gets to the Fedora 10 loading screen. After that it complains my monitor is out of Range and that's as far as I can go. I had originally thought I could get to some text install mode, but I don't make it far enough to do that.
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May 12, 2009
I think the settings in /etc/X11/xconf.org are wrong. I do know what the settings should be and have SSH access, (root plus password). Being new to linux I cannot figure out how to save the file after editing. I have been using: vi /etc/X11/xconfig.org to get to the file, but haven't been able to save the file.
the edit and save commands I need, I hate to do an entire install since this is about my 6th install.
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