Debian Configuration :: Run A Command At Bootup Earlier Than Rc.local?
Jan 28, 2010
i rarely need my wireless, and i want it off by default, i am going to disable it during bootup with
echo 0 > /sys/devices/platform/acer-wmi/wireless
what would be the proper place for this? if i put it in rc.local it will be executed very late, i'd rather have it sooner. if add a new script to init.d, then run update-rc.d, i would have to adhere to the start|stop|reload structure of these scripts, right? or do i go a totally different way about this?
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Jun 17, 2010
I am working on a Debian 2.6.26-19 Distribution with exim4 as MTA. After a system restart a problem occurred with delivering emails to local addresses. These local addresses use a 1and1 mailserver for email. The MX records for the local domain are set correctly but exim does not use a DNS lookup for these addresses because it identifies them as local addresses. I figured this out by executing the exim4 -d -bt command. The dns lookup part of the result looks like this (I replaced the actual address with placeholders):
[Code]....
The eventual result of the exim4 -d -bt command is: [user]@[domain.ext] is undeliverable: Unrouteable address How can I make sure, that exim4 makes a DNS lookup for the local addresses instead of skipping it? I know that I have to edit a exim4 configuration file, but I could not figure out which and how.
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Nov 2, 2010
What would be necessary to run an ftp server (or a web server) on my local PC so that other people I know could access it and download stuff from it? The idea is to share photos, videos etc with friends/family where the files are a bit too big for email. (All 100% legal, own-content, no copyright issues, needless to say). Security isn't that vital, I'd just put files in the ftp directory, email the link and let them download the files, then remove them again. No passwords are required, and no uploads.
Obviously there's the problem that both computers have to be on at the same time, and I assume I'd have to change my computer's firewall settings and my router's settings to allow the traffic through, but my question is more basic than that - is it even possible? My internet connection is through a router, and as I understand it, my router has the IP address, not my computer. So I can connect through my router using my computer's IP address, but only my router knows my computer's IP address, and all the rest of the internet just sees my router and its IP address. Which means (I think) that I can't just send my IP address for my family to connect to, because that only gets them as far as my router, and the router would have no idea what to do with such requests. Am I right so far?
So is there any way for my family's computers to contact an FTP server or a web server running on my computer? Or does it require some kind of intermediary server to act as a traffic-forwarder? Is there such a thing? I'm assuming that setting up little private torrents would be fiddly and inefficient. Or would it be better/simpler to use one of the free filesharing services and put up with the (sometimes not too family-friendly) adverts associated with them?
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Dec 24, 2010
Two nights ago I decided to switch from testing to unstable. Since then I am able to connect to the internet, but not to anything on my local network. I am unable to ping this computer from another one on the network. This computer is connected through wireless. I thought that something might have changed with iptables that was blockinghe localnetwork. I tried to "flush the iptables settings with "iptables -F". Since that didn't work I uninstalled iptables (which didn't work and I reinstalled iptables). In my browser I tried to connect to my router and that doesn't work either.I connect to this computer daily through ssh and connect to a NAS. Without ssh and my NAS I feel kinda lost
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Jan 5, 2011
I'd like configuring NTP service on my Lenny Debian client to retrieve time from my local NTP server, so I thought to configure /etc/ntp.conf and to insert into crontab this command 'ntpd -qg', which is indicated in man. Can I run ntpd service to synchronize time for my client, avoiding to listen on port 123, beacuse my scope is to alignment time on client and to not give service to others, for this scope there is ntp server !
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Jan 15, 2011
I can't get past the "scp -p id_rsa.pub" step; ssh fails with "Could not resolve hostname" errors. Both machines are connected with a hub. I've also tried using the IP address in the place of hostnames with no avail. Both machines can ping eachother successfully.The server has the "openssh-server" package installed.
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Mar 10, 2011
Backround:
I'll have 2 routers:
- ADSL-router (D-link DSL-2640U)
+ NAT on (needed as one static IP from ISP)
+ Server's IP as 192.168.X.xxx
+ router firewall port-forwards set for needed ports (21,22, 80 etc) to 192.168.0.xxx - 2nd LAN-router
[Code]....
Is there any setting/file on Debian-user-machine, where I could fix that abc.mydomainXYZ.com/defg is always in something to do with 192.168.X.xxx
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Jun 16, 2010
Using serial terminal(emulated) to connect to linux box. In order to fix row/column count I added stty command in rc.local:
Code:
stty -F /dev/ttyS0 rows 56
stty -F /dev/ttyS0 cols 110
If I add it in redhat's /etc/rc.d/rc.local - it works fine. But if I add it in debian's /etc/rc.local - it doesn't work. I checked by redirecting some output to /dev/ttyS0 - rc.local gets executed and stty commands are executed also - but for some reason rows/columns dosn't change after I login. If I execute rc.local by hand - stty commands work.
why this works on redhat but not on debian ?
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Sep 3, 2015
I'm trying to set up a *simple* MTA in my local network. The only thing it should be able to do is send system / daemon mails to admin@mylocaldomain. but at the moment I'm pretty much overwhelmed by everything i *should* know in order to set up this MTA
my infrastructure:
- servers:
* test01.mylocaldomain --> should send mails (with exim) to admin@mylocaldomain
* dns01.mylocaldomain --> dns-server
* mail.mylocaldomain --> mail-server (postfix / iredmail package)
I configured exim to be in "internet"-mode. now i have a variety of errors I can choose from (and a variety of solutions that i don't like ).. my test is always an email from test01.mylocaldomain:
echo "Hello World" | mail -s Testmail admin@mylocaldomain
- after running the config, i get the error: admin@mylocaldomain: all relevant MX records point to non-existent hosts --> google says, edit and udpate update-exim4.conf.conf --> dc_relay_domains='mylocaldomain' --> but this exim installation should not be a relay at all. it should only be able to SEND (to this domain), not deliver it. or do i get something wrong?
- after i added dc_relay_domains='mylocaldomain', i get --> SMTP error from remote mail server after RCPT TO:<admin@mylocaldomain>: host mail.mylocaldomain [192.168.x.x]: 550 5.1.1 <root@mylocaldomain>: Sender address rejected: User unknown in virtual mailbox table --> but i don't want to create an account on the mailserver for the SENDER...
- ...so i thought, i'd config exim with the domain "test01.mylocaldomain" (including the server name), so that the sender is clearly from another domain than the mail server handles (e.g. user@test01.mylocaldomain).. but then i get this --> SMTP error from remote mail server after RCPT TO:<admin@mylocaldomain>: host mail.mylocaldomain [192.168.x.x]: 450 4.1.8 <root@test01.mylocaldomain>: Sender address rejected: Domain not found
I really just wanna send mails in my local network.
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Sep 19, 2015
I try to create some rules to detect an outgoing traffic from my debian jessie that is not from my IP or loop.
#!/bin/bash
/sbin/iptables -N C_OUT_N_LOCAL
/sbin/iptables -N C_OUT_N_LOCAL_LO
/sbin/iptables -A C_OUT_N_LOCAL -m limit --limit 2/min -j LOG --log-prefix "PK: output not local : " --log-level 4
LO_IP="127.0.0.1"
MY_IP="192.168.0.4"
/sbin/iptables -I OUTPUT -p ALL ! -s $LO_IP -j C_OUT_N_LOCAL_LO
/sbin/iptables -A C_OUT_N_LOCAL_LO -p ALL ! -s $MY_IP -j C_OUT_N_LOCAL
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Feb 11, 2016
I will see ipcam in my local network from my tablets. I'm install server/client but I can't even ping my Ipcam from my tablet.I'm ping my ipcam from my server
Code: Select allping 10.42.0.22
PING 10.42.0.22 (10.42.0.22) 56(84) bytes of data.
64 bytes from 10.42.0.22: icmp_seq=1 ttl=64 time=0.639 ms
eth1:1 Link encap:Ethernet HWaddr 00:25:22:1c:6e:05
inet addr:10.42.0.1 Bcast:10.42.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
inet addr:10.42.0.1 P-t-P:10.42.0.2 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:1775 errors:0 dropped:0 overruns:0 frame:0
[code]...
my tablet can receive ip, can see ftp on server but can't see anything in my home network.
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Apr 21, 2010
I have a new Debian 5.04/ppc install on a G5 tower and it's not able to browse the local network. The clean install could see the network, then I installed the Samba server, and it hasn't worked since. Samba server never really worked, and I'm guessing I messed something up. I've reinstalled network-manager, and removed / reinstalled samba.
I have a small home network (6 machines) running wired and/or wireless, pc/mac and linux.This machine can PING other machines by name and IP address.This machine can PING itself by name and IP address
Other machines can PING this machine by IP address only, not by name.Nautilus network browser only shows the "Windows Network" icon, which, when clicked, shows an empty window.I've got networking up fine on all my other machines but this one is stumping me.
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Jul 25, 2010
I have three Debian systems running, along with several XP laptops, PS3 and two DirecTV systems. I use two of the three Debian systems as media servers, and the third is an older system mostly for playing around with. My home network is running fine with the following nuisance. The two newer Debian (Lenny) systems are <barney> and <mitzi>, the older is named <oscar>, running Debian Sarge 3.1. From either locally or remote login to <barney> and <mitzi> I can ssh into either of the other two systems, however when logged into <oscar> I cannot ssh by name to either of the other systems. e.g. ssh: mitzi: Temporary failure in name resolution..However, from <oscar> I can ping outside my network (e.g. ping www.google.com) with no problems.I can also ssh to the other systems via IP address, just not by name.
I've compared the /etc/ssh/ssh_config, /etc/resolv.conf, /etc/ssh/sshd_config and other files between the two systems and not seeing anything peculiar. arp, route, etc., don't show different behavior between the systems either.
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Sep 15, 2010
At home I have two computers running linux connected to the same router. I would like to be able to connect them so that I can move files between them and execute simple commands. What is the most simple way to access a prompt on the other computer or to mount a partition currently used by the other computer?Using the www it is possible to connect two computers using ssh, but it should be easier to do this over the LAN, right? I have been googling a lot but not found anything.
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Aug 8, 2011
I am trying to create a local debian repo for 3rd party apps and my own deb's. I have done the following: dpkg-scanpackages debian | gzip -9c> debian/Packages.gz Which did create a file called Packages.gz in the directory However, when I do apt-get update on a client machine I get the following error: W: Failed to fetch [URL] Could not connect to 10.1.1.10:8080 (10.1.1.10). - connect (111: Connection refused) W: Failed to fetch [URL] Unable to connect to 10.1.1.10:8080: W: Some index files failed to download, they have been ignored, or old ones used instead.
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Feb 7, 2016
I managed to set up an openvpn server, ip-forwarding and a nat iptable rule for that.
Almost everything works as expected, but my problem is:
Smartphone -> VPN -> Internet ==> works (by ip and hostname)
Smartphone -> VPN -> machine in my local network by IP ==> works
Smartphone -> VPN -> machine in my local network by its hostname => DOES NOT WORK
Machine w/ VPN server -> ping to machine in local network by ip or hostname => works
So, i wonder why i cant access a local machine through the vpn by its hostname. I guess I'm missing a forwarding rule??
iptables dump:
# Generated by iptables-save v1.4.21 on Sun Feb 7 20:56:52 2016
*nat
:PREROUTING ACCEPT [786:59064]
:INPUT ACCEPT [728:53047]
:OUTPUT ACCEPT [19:1487]
:POSTROUTING ACCEPT [20:1576]
-A POSTROUTING -s 10.8.0.0/24 -j MASQUERADE
COMMIT
# Completed on Sun Feb 7 20:56:52 2016
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Sep 20, 2010
I have a strange iptables issues. I have just built a new Debian install and starting adding some real basic rules (see below) the problem seems to be that the localhost itself can't get any returning traffic. That is, it seems to be allowed outgoing traffic but not the connected, returning traffic. Ordinarily allowing Established Connections would resolve this, see the rule below, but it hasn't. Why this doesn't work. Removing the last DROP in the INPUT chains obviously makes the traffic work!
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -j ACCEPT -p tcp --dport 22
iptables -A INPUT -j ACCEPT -s x.x.x.x
iptables -A INPUT -j ACCEPT -s x.x.x.x
iptables -A INPUT -j ACCEPT -s x.x.x.x -p tcp --dport 80
iptables -A INPUT -j ACCEPT -s x.x.x.x -p tcp --dport 8080
iptables -I INPUT 1 -i lo -j ACCEPT
iptables -A INPUT -j DROP
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Dec 21, 2010
I have used /etc/fonts/local.conf to control how the fonts looks like in my laptop, which runs a Gentoo. In particular, I don't want anti-aliasing. I copied the file to my Debian desktop, but it seems the file doesn't take effect, even after reboot. Do I need to do something else to make it take effect?
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Mar 24, 2011
I did search the forum but didn't find an answer.
I have setup Postfix + Dovecot on my basic debian 5 server. If I send a message to a localuser@mydomain.com from mutt, it delivers just fine and is visible when viewed through squirrelmail, I can also send just fine.
My issue is that irrespective of what options I set in main.cf, I cannot for the life of me get Postfix to stop erroring with "Recipient address rejected: User unknown in virtual alias table". I'm stumped.
My main.cf is as follows code...
I do not want to setup virtual hosting with MySQL or similar, I literally want to receive mail in local users mailboxes for a single domain. Any ideas on what's missing?
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Apr 29, 2011
I have some beginner questions about DHCP, Avahi, and configuring a small home LAN.Suppose I have a dynamic IP address assigned by my ISP, which requires DHCP be enabled in my dsl modem/router/"firewall" [sic]. Suppose for simplicity I have just one PC behind the dsl modem.I think "enabling DHCP" in the modem/router means that a DHCP client runs on the router, which communicates with a DHCP server run by my ISP when I boot up a PC on my LAN. Is that guess correct? Can I get DHCP to assign a particular local IP, say 192.168.1.10 (which is not the one taken by the router--- for this discussion, let's say that is 192.168.1.0) to my PC each time I boot it up?
Now suppose I want to build a stand-alone firewall, so that my LAN will have the firewall and the first PC behind the modem, with the first PC virtually behind the firewall. By default, I think these will both have DHCP clients running which I need to configure properly. The firewall should also have a DHCP server which should control how local IP addresses are assigned, correct? I should try to arrange that the LAN has only DHCP server, only one NTP timeserver, only one DNS nameserver, correct?My first PC seems to have installed an autorun client called Avahi, which performs DNS multicast services and incorporates something called zeroconf which seems to have something to do with remote desktops, which I don't need and which is a potential security hazard. But it seems that Avahi is an intrinsic part of the KDE desktop and cannot be removed. Just want to be sure that Avahi can coexist comfortably with dhcp3-client, which is also installed on that PC. They perform different tasks, correct?If I can get the stand-alone firewall to work, I know I need to turn off the commercial firewall in the dslmodem/router/firewall device. Should I purchase a bridge and try to turn off the routing function also?
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Apr 11, 2016
I am trying to set up a wireless 'test' box to use on a private club (11,000 acres). The initial tests won't need anything fancy, it will just be checking the visibility of a hotspot from a high-point in the middle of the property. But if it proves to have good visibility, later tests will be (hopefully) promoted by the club and made aware to members. I would like to set up a captive portal to redirect them to a comments page where they can post a quick message if they were able to connect ....
Most of the examples I see online of captive portal are based on having an internet connection and/or a NAT scheme set up. I just need a hotspot and a single web-page for these promotional tests. If possible, I would like to trigger any devices capable to suggest or otherwise open a browser to go to the promotional landing page ...
Also, one more quick question, this is to eventually be an 'open' internet for this test - most of the wpa set-up examples show using a passkey. Is making an open wifi as simple as not including the passkey or is there something else I would need to be doing?
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Jul 27, 2010
I'm trying to TFTP router configurations to a server in the same local network without having to first make files in the server's TFTP directory . The transfer of a config file from router to server works perfectly if I make a file with touch and then chmod the file with 777. I found information that says to use the -c or --create option in the TFTP configuration file (/etc/default/tftpd-hpa) if you want TFTP to work without having to create the files first. The problem is, I have set this parameter and restarted TFTP , but it is not working.
Here is my /etc/default/tftpd-hpa file:
# /etc/default/tftpd-hpa
TFTP_USERNAME="tftp"
#TFTP_DIRECTORY="/var/lib/tftpboot"
TFTP_DIRECTORY="/tftp"
[code]....
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Aug 21, 2010
I have installed apache php and mysql on my pc during debian installation... some of my friends complain they cannot access my webserver from their home and it's available only within my local network... Please help regarding this...
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Jul 1, 2011
I am making backups and I need to make a cron job that mounts a 2nd local hard drive.
It is not listed in my fstab file and I mount it manually in nautilus (having to type a password). It is designated as /dev/sdb1 and /media/repo when it is mounted. Can I get cron to mount it and then add the password or do I have to add it to fstab?
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Jun 14, 2011
i have a debian 5 vps system.. it reports the time as beeing one hour behind, i have tried to change this by setting the time to GMT+1 and setting the time to my local region (Europe-Brittian) using the tzselect command but none get the time to the correct time, one hour ahead of the current time.
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May 30, 2010
I'm trying to setup a NFS4 server (no security, local home network behind FW). It seems that I'm missing something because 'rpcinfo -p' does not list v4 for NFS: petit-pois:/home/eric# rpcinfo -p
[Code]...
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Jul 29, 2010
I want to restrict the access to my local web server by IP address. Im in a LAN (192.168.200.xx) so i have this:
[code]....
But when i try to connect from 192.168.200.4 it says i don't have permission to access
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Feb 13, 2010
I just booted into Linux and the Update Manager prompted me to restart. After the restart the GRUB interface I expect to see is no longer there and now it is just a command line that says press tab for more options. I have not got a clue with shell language as I have had no time to learn it as of yet. Do I need to uninstall and reinstall Linux or is there a command that can be typed that boots up the operating system. Even better if there is something I can do is there also another command that can bring back that interface I was used to.
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May 9, 2011
I am having trouble trying to get the kernel to accept some command line arguments for parport_pc during bootup. I have a custom base board with a PC-104 CPU board connected to it through the ISA bus. On the base board I have 3 parallel ports mapped to addresses, 0x150, 0x158, and 0x160. Only the first one needs interrupts, the second two do not. So, on bootup I load the parport_pc module like this modprobe parport_pc io=0x150,0x158,0x160 irq=3,none,none I have been running an older RedHat kernel, 2.6.11 for the past few years and this has been working flawlessly. I had the above modprobe call in /etc/rc.d/rc.local.
Now I am trying to set the system up to use CentOS 5.5, kernel 2.6.18-194.el5. What happens is, the module inserts OK, but the system never recognizes the ports. (i.e, they do not show up in /proc/ioports)
But, if I log into the system, then rmmod parport_pc, then re-modprobe it as above, it works just fine and now my ports are visible. This is an embedded system, expected to just come up and run, so kicking it into action by hand is not an option.
I have tried putting a parport_pc.modules file in /etc/sysconfig/modules so that it will be seen by rc.sysinit, (some site I found while googling said modprobes need to be done earlier than in rc.local),and again, the module gets inserted but the ports are not seen. I have also tried putting rediculously long pauses between each step of the modprobing of the parport stuff;
[Code]...
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Aug 17, 2015
There is this bug in the latest version of Ubuntu, which is also Jessie, which is:
Can't copy a file from SMB share to the local file system: Software caused connection abort
The problem, apparently, is that newer versions of Samba hit servers with multiple requests at the same time, and for some reason the Zyxel and Iomega boxes can't handle this. The best solution they've come up with is to modify the smb.conf file on your server to include this setting: "max mux = 1".
Here is the reference material on this bug: [URL] ....
People who develop samba have fixed it in the latest version but neither the ubuntu nor Debian have released the fixed version of nautilus, as of yet. Here, is the reference: [URL] ....
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