Debian Configuration :: How To Set Up Serial Connection To Get Syslog?
Feb 7, 2010
I have been tol that for debugging purposes it is often useful to have a serial connection to a computer. I have some diskless workstations thats freezes during boot. I guess X has someting to do with this, but I'm not sure. Since the workstations are diskless, syslog is not stored locally so I cant se what is happening after the NiC stops working. When the worstation freezes, screen is going black, all lights on the keyboard turns on, lights on NiC is going black. It is not possible to ping the workstation.
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Feb 6, 2010
How do I get syslog using serial port?
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Apr 15, 2011
1 linksys router: gets the net from PPPOE and give the network DHCP. The router IP is 192.168.1.1. 1 windows laptop that work wireless and wired. 1 debian desktop that work wired and not working wireless. THe problem with the debian desktop is like this: I have a TP-Link TL-WN321G installed and found by lsusb command. I make a wireless connection WPA Personal (just like the router settings) it says i am connected to the wl network but no internet connection. the route command give me this:
[code]....
I tryed with wicd who said that the connection is WEP (and it's not, it is setup to WPA on the router and the network-manager conncetion) and when i try to connect i get bad password. I tryed with network-manager uninstalled and no chance.
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Sep 22, 2015
The situation: The office has a WiFi network on one DSL line, which is used for our VoIP call center, and a wired network for our internal network and the majority of web surfing/traffic . Part of the office must be temperature controlled/monitored - we have a rather nice digital thermometer which is WiFi enabled.I have a Debian Wheezy box with a WiFi card and ethernet connection
What I'm trying to accomplish:Connect wifi enabled thermometer to WiFi network so it can automatically send temp updates (currently I have to do it manually via USB)Have the Wheezy box accept the downloaded file then send it to a back up server in the wired network
Side things that may be useful : Prefer to use wired connection for internet and apt and suchWiFi connection will really just be used for connecting to the thermometer
This [URL] .... topic got me thinking that there might be a way to bring the two networks together, but I don't know if that will wreak havoc on things. I know, the Windows and Mac OS don't like having ethernet and wifi at the same time, might Linux be better for this?
v&n had this to offer in the prior thread [URL] .... which I'll be doing more research on.
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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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Feb 10, 2011
I was reading around the web and saw that someone mentioned that the default syslog configuration should be adjusted. Is that true?
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May 20, 2010
In my system, I see two syslog configuration files, /etc/rsyslog.conf and /etc/syslog.conf.. What is the use of each file? I know only that of /etc/syslog.conf...how about /etc/rsyslog.conf? what is its use?
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Feb 29, 2016
My Debian Jessie system started to bug after a separate /usr partition being full. After redimensioning and various packages reinstalls I fall on this:
systemctl --user status Failed to get D-Bus connection: Erreur inconnue -1
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Jul 18, 2015
I am struggling to find out how to start the connection to my VPN on boot?
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Aug 9, 2015
My network configuration is in a weird situation, that I always need to run dhclient manually each time after a network connection is established. When my computer connects to a router, sometimes it won't get a valid IP, and it uses an automatically generated fake Internet IP. In this situation, it won't connect to the Internet at all. Sometimes it get a valid local network IP, but still cannot connect to WAN, and could only connect to my router's address (both through ping and through router's management webpage). In both situation, it can be solved by a simple dhclient run.
This is my /etc/network/interfaces file:
Code: Select all# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp
iface wlan0 inet dhcp
and this is my /etc/NetworkManager/NetworkManager.conf:
Code: Select all[main]
plugins=ifupdown,keyfile
dhcp=dhclient
#no-auto-default=FE:50:52:BE:46:4C,
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Sep 28, 2015
I use Debian Jessie 8.2 and I am using a 3G connection using this modem => [URL] ....
The 3G connection works fine, except after 24 hours the connection drops and I cannot reconnect. If I reboot the computer, the connection will work again.
My guess is that my ISP gives me a new IP address after 24 hours and somehow my system cannot handle it.
How can I reconnect my 3G connection without rebooting?
I have already tried the following commands:
Code: Select allsudo service network-manager restart
Code: Select alldhclient -r eth0
dhclient eth0
Code: Select allsystemctl restart ModemManager
Results of journalctl and grepping my connection name (SFR)
Code: Select allsept. 22 17:58:19 ark1 NetworkManager[512]: <info> Policy set 'SFR Web / Prepaid 1' (eth0) as default for IPv4 routing and DNS.
sept. 23 18:17:07 ark1 NetworkManager[9446]: <info> new connection /etc/NetworkManager/system-connections/SFR Web * Prepaid 1
sept. 23 18:17:08 ark1 NetworkManager[9446]: <info> Auto-activating connection 'SFR Web / Prepaid 1'.
[Code] ....
As you can see sept 22 at time 17:58 is when the computer started up. And roughly 24 hours after it failed to reconnect.
Also I should mention that there is a script to run the command:
Code: Select allsudo service network-manager restart
if the computer cannot ping a server, ie if the connection is lost.
More journalctl info when the system tries to reconnect:
Code: Select allsept. 23 23:52:53 ark1 NetworkManager[9446]: <info> Auto-activating connection 'SFR'.
sept. 23 23:52:53 ark1 NetworkManager[9446]: <info> Activation (ttyUSB0) starting connection 'SFR'
sept. 23 23:52:53 ark1 NetworkManager[9446]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled...
sept. 23 23:52:53 ark1 NetworkManager[9446]: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started...
[Code] ....
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Feb 20, 2016
I rebooted my vServer (Debian 8) and it doesn't came back up. Well, I used the rescue console on my server and the server seems to be running fine, except the network was broken. So I tried 'ifconfig' but nothing came up. So I tried to enable my interface with 'ifconfig venet0 up', and now it appears in my ifconfig list
Code: Select allroot@i67svof:/var/www# ifconfig
venet0Â Â Link encap:UNSPECÂ HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00Â
     UP BROADCAST POINTOPOINT RUNNING NOARP MTU:1500 Metric:1
     RX packets:557 errors:0 dropped:0 overruns:0 frame:0
     TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
     collisions:0 txqueuelen:0
     RX bytes:36463 (35.6 KiB) TX bytes:0 (0.0 B)
My HWaddr doesn't look that well :) 'ip addr' prints this result:
Code: Select allroot@i67svof:/var/www# ip addr
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN
  link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: venet0: <BROADCAST,POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
These are the last lines in /var/log/syslog:
Code: Select allroot@i67svof:/var/www# tail /var/log/syslog
Feb 20 11:34:16 i67svof systemd[1]: Stopping memcached daemon...
Feb 20 11:34:16 i67svof systemd[1]: Stopping Network Name Resolution...
Feb 20 11:34:16 i67svof systemd[1]: Stopping Regular background program processing daemon...
Feb 20 11:34:16 i67svof systemd[1]: Stopping Login Prompts.
[Code] .....
And finally my network config in /etc/network/interfaces
Code: Select all# Auto generated lo interface
auto lo
iface lo inet loopback
# Auto generated venet0 interface
auto venet0
[Code] .....
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Feb 17, 2010
I am getting this error when I try to bring up IPSec Tunnel.Starting connection with command /usr/sbin/ipsec auto --up 'paycode-to-vivacom' ..
104 "paycode-to-vivacom" #7: STATE_MAIN_I1: initiate
003 "paycode-to-vivacom" #7: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] method set to=106
003 "paycode-to-vivacom" #7: ignoring Vendor ID payload [FRAGMENTATION c0000000]
[code]....
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Mar 9, 2010
I have configured a RaLink wireless card to connecto to an 802.1x network. I connect by selecting the network, and the i give the credentials(username/password). How do i configure Debian to automatically connect to this network when a session begins?
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Apr 27, 2010
I have installed GNU/Linux Debian on my computer (desktop) and i have ubuntu installed on my laptop. Now I want to start the ssh connection between both the computers. I want to make Debian as server and Ubuntu as client. Please can you guide me with this (installation and setup). Also the key values of the configuration file (ssh_config & sshd_config) are expected.
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Nov 4, 2010
Alright, I was playing with the VPN capabilities in KDE4 on Squeeze AMD64 on my personal laptop (see my signature) and found it very easy to create a VPN connection and connect, but that's it. I made a VPN tunnel to one of my client locations as a test, but could use rdesktop to get into the server. Then I realized I couldn't ping the server either. I also lost all ability to browse the web and everything while the VPN was up. Upon checking ifconfig as root, I saw that it created "ppp0" and hat it had pulled an IP from the client network, but all of my networking capabilities were gone. What gives? What is it that I am missing?
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Feb 22, 2011
When I click on Network Manager client in the Gnome Panel -> vpn connections -> configure vpn, the add button is not enabled.
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Mar 20, 2011
About an hour ago i did an update on my Debian Squeeze. After the update was completed my LAN connection stopped working.. now i have to connect my computer to my router with a usb cable instead with my ethernet cable.. also, on the network connection, on the wired network section it says that the device(ethernet) has not been managed..
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Jul 5, 2011
How to enable wifi? I downloaded and installed Debian 6.00 and as I couldn't get online with my Tenda USB Wireless Adapter. I downloaded Debian 6.00 again, this time the CD Net Install version with Firmware included. However, the added firmware version of Debian does not find my wireless either. My wireless adopter is shown as Bus 001 Device 003: ID 148f:3072 Ralink Technology, Corp. RT3072 Wireless Adapter. There is a Network Icon in the Panel which when clicked shows "Create New Wireless Network". I have put in my ISP related network and my password and rebooted, but all I get is the message on my desktop:
"The Network Connection has been disconnected."
That isn't very polite, is it? Who has disconnected it and why remains a mystery to everyone except the culprit(s). I think I must have missed a basic step in the Wifi Enabling process. I checked the Use Permissions and everything is fine there, as User I have permissions to use modems and do networking and so forth. Also I should like to try "modprobe" but I see the package isn't in Synaptic Package Manager.
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Dec 11, 2010
I am looking for an open source syslog server which accumulate the each and every log of Windows, Solaris, Linux and network devices. Currently I am using Syslog-ng which is not fulfiling my requirement in Windows clients, as I need the logs of every action which user performed after logon.
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Aug 17, 2015
In one of my customers, the new internet connection have no public IPV4(using GCNAT), only public IPV6.
And there are various services that require external access, like, vpn (openvpn), a java/web system, ssh, rdp(windows).
fileServer(by vpn).
All is running ok in IPV4.Maybe, the solution is a NAT 6to4. We know this is the future, no more public IPV4.
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Aug 17, 2015
After upgrading to Debian 8, I'm having a bit of trouble with systemd, since I'm not used to it (seeing as it was all init when I started). I tried to use a tutorial to create a new service and one step in it was to run
Code: Select allsystemctl enable xxx.service
Unfortunately, every time I run systemctl - even without parameters - I get this error:
Code: Select allFailed to get D-Bus connection: Operation not permitted
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Dec 15, 2015
I bought a bluetooth pen, I connect it via USB, my bluetooth connection is active but I can't find other therminals, and my debian machine it isn't visible to other terminals.
It seems that my bluetooth connection works, but it can't pair other terminals. I want to connect bluetooth speaker, but it seems impossible.
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Mar 4, 2016
I cannot seem to get e2guardian to work. I went into Ice Weasel to adjust the proxy connections but that just blocks off all internet activity. The problem seems to be with the configuration settings in the browser. I tried Privoxy with a completely new Debian install and have the same problem.
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Mar 27, 2016
I just installed the lastest stable Debian (gnome) today and what I was most afraid just happened: my laptop's wifi isn't working properly, it isn't turning on. This had already hapened on livecd.
In the laptop's chassis leds, the wifi led apears as green. When I click to turn on the wifi, as shown on the picture the button, quickly disappears and appears again not seeming to have any effect at all at turning on the wifi but not showing any error either!
Picture :
What's interesting about the wifi not working is that in the installation process I was able to connect to a wifi hotspot and it connected to the internet fine!
Now after installation was complete and my system did the reboot, I was no longer able to connect to the internet using wifi.
My wireless card is Atheros AR9565 and my LAN card is also Atheros.
Here is an output of lspci and lsmod which may have some leads about the problem.
lspci
Code: Select allquant@debian:~$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06)
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
[Code] ....
Noticed:
1. I installed WiFi radar and I ran this on the terminal:
# sudo ifconfig wlan0 up
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May 15, 2010
I have a Dell Mini 9 with a Broadcom wireless adapter. I've had it working for months on Debian Sid, but recently I updated the entire OS to get KDE 4.4 (I also went from a 2.6.30 to a 2.6.32 kernel). Something in that upgrade caused wireless to cease to work properly. The problem is similar to the one described in this thread, but no resolution is mentioned there: viewtopic.php?f=5&t=50892 I've gone through all the steps to install the STA drivers/wl module for it, and it basically appears to be working. Using wicd, I can see all the wireless networks in the area.
The problem occurs when trying to connect. When I try to connect to my WPA wireless network, it eventually fails claiming a bad password. When I turned the wireless network into an unsecured network, it eventually fails claiming it's unable to get an IP. I've also tried at the command line with wpa_supplicant and it initially appears to work but in fact it hasn't. I've also got Kubuntu 10.04 installed on this machine, and it can connect without issue (using the proprietary driver that Ubuntu's hardware driver manager allows one to use).Does anyone know what has caused this? I even tried the earlier kernel, so that's not it.
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Aug 5, 2010
How to verify that Debian is running at 100 Mbps or 1000 Mbps? I can view the report from 'ifconfig eth0' but I can't see how fast the link has been established.
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Oct 29, 2010
When I make a vpn connection to an openvpn server, I loose the internet connection.
The VPN works all right.
Server config (extract)
Client config
Client route without the VPN connection
client route with VPN connected (internet lost)
Is there anything I can do to the push rule of the servers's config file?
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Apr 15, 2011
I am using Empathy IM client to access to gadu gadu and to message with my friends. The strange thing that is happening is that I keep on being connected and then disconnected and then connected again even if I am continuously connected to my internet connection (no problem when surfing or using skype for example)It also seems to come only from me because when my girlfriend is using the same gadu gadu on her windows laptop simultaneously, she doesn´t get disconnected (whether when she is at home and using the same connection as I am or when she is outside, meaning that it doesn´t seem to come from the whole gadu gadu network)maybe it has something to do with the ports that gadu gadu is using but it is strange that sometimes it is working for a period of time and then not and then again.
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Jun 9, 2011
I have installed Debian squeeze 6.0.1 using the CD1 of the i686 version (kernel 2.6.32.5) on my compaq presario sr1799es desktop. My machine has a ethernet card RTL8139 (RTL-8139/8139C/8139C+)(it has no wireless card). I can't connect to internet with debian.
I can connect to internet in this machine using windows xp. I also checked with the Puppy linux 5.2.5 version (with kernel 2.6.33.2) using a usb memory and I had success connecting to internet by dhcp. I already checked lots of forums with related questions but I couldn't find a solution for my problem. I'll show you the output of lspci and lsmod !grep 8139 commands:
lspci
00:00.0 Host bridge: ATI Technologies Inc Radeon Xpress 200 Host Bridge (rev 01)
00:02.0 PCI bridge: ATI Technologies Inc RS480 PCI-X Root Port
00:11.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
00:12.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
[code]...
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