Re: How to disable automatic core dumps in Debian 9?

2019-06-12 Thread Martin T
Reco, thanks for reply! > rgrep core /etc/security/limits* > Would be more correct. Files at /etc/security/limits.d/ can override > limits.conf. Indeed. Output of "rgrep core /etc/security/limits*" is following: $ rgrep core /etc/security/limits* /etc/security/limits.conf:#- core -

How to disable automatic core dumps in Debian 9?

2019-06-12 Thread Martin T
Hi, how to disable all automatic core dumps upon the process termination in Debian 9? As Debian does not seem to use systemd-coredump, then I set the "kernel.core_pattern=|/bin/false" kernel configuration in sysctl.conf and following pam_limits.so module configuration: $ grep -w core

Re: unattended-upgrades downloaded package information only from the sources in sources.list.d directory ignoring sources.list file

2019-06-09 Thread Martin T
Hi, looks like the culprit is a /etc/cron.daily/do-agent cron-job which executes the /opt/digitalocean/do-agent/scripts/update.sh script which includes following if statement: if command -v apt-get 2&>/dev/null; then apt-get -qq update -o

Re: unattended-upgrades downloaded package information only from the sources in sources.list.d directory ignoring sources.list file

2019-06-08 Thread Martin T
> I did some further debugging and it is the > /usr/lib/apt/apt.systemd.daily script executed by apt-daily systemd > service unit which updates the package index from the sources: I configured cron with one minute interval to log the output of "apt policy" with a timestamp into a log file in

Re: unattended-upgrades downloaded package information only from the sources in sources.list.d directory ignoring sources.list file

2019-06-06 Thread Martin T
> Looks like the "apt update" or equivalent ran by unattended-upgrades > ignored the /etc/apt/sources.list file and used only > /etc/apt/sources.list.d/digitalocean-agent.list as a source for > repositories. > What might cause this behavior? I did some further debugging and it is the

unattended-upgrades downloaded package information only from the sources in sources.list.d directory ignoring sources.list file

2019-06-05 Thread Martin T
Hi, in order to test unattended-upgrades I downgraded yesterday(4.06) packages iceweasel, qemu-utils and thunderbird: # # "apt list --upgradable" command below was executed on 4.06 # apt list --upgradable Listing... Done iceweasel/stable 60.7.0esr-1~deb9u1 all [upgradable from:

Re: use mailx instead of sendmail in apt-listchanges

2019-06-05 Thread Martin T
Dan, > You could do the wrapper, or you could install nullmailer, which > is an extremely simple MTA that always hands off mail to a > relayhost (i.e. somebody else's problem). I ended up with a following wrapper: $ cat /usr/sbin/sendmail #!/usr/bin/env bash # As header fields are at the top

use mailx instead of sendmail in apt-listchanges

2019-06-02 Thread Martin T
Hi, I have apt-listchanges installed and registered in apt system: # apt-config dump | grep apt-listchanges DPkg::Pre-Install-Pkgs:: "/usr/bin/apt-listchanges --apt || test $? -lt 10"; DPkg::Tools::Options::/usr/bin/apt-listchanges ""; DPkg::Tools::Options::/usr/bin/apt-listchanges::Version "2";

Re: How to make networking dependent on firewall configuration?

2019-05-13 Thread Martin T
Hi Reco! Thanks for reply! I changed from /lib/systemd/system/networking.service.d/networking.service.conf to /etc/systemd/system/networking.service.d/networking.service.conf. > One can specify hostnames in netfilter rules. Trying to load such rules > without a working resolver can lead to

How to make networking dependent on firewall configuration?

2019-05-13 Thread Martin T
Hi, I have a /lib/systemd/system/networking.service.d/networking.service.conf configuration file which specifies, that my custom iptables.service is a requirement for networking.service: # systemctl show networking -p Requires Requires=system.slice iptables.service # Is there a better or more

Re: processing order for configuration files in /etc/network/interfaces.d

2018-08-26 Thread Martin T
Hi David, > You need to post your evidence, starting with your /etc/network/interfaces > file. You say you're using ifup, so we can perhaps discount this paragraph: > >Currently, "source-directory" isn't supported by >network-manager and guessnet. > > but we don't know whether

Re: "accept_ra 1" vs "accept_ra 2" in interfaces configuration-file

2018-08-26 Thread Martin T
On Wed, Aug 22, 2018 at 2:02 AM Andy Smith wrote: > > Hi Martin, > > On Wed, Aug 22, 2018 at 01:06:32AM +0300, Martin T wrote: > > In addition, "accept_ra" with a value of 2 should ensure that RA > > messages are accepted even if forwarding for that interface is

Re: processing order for configuration files in /etc/network/interfaces.d

2018-08-26 Thread Martin T
On Thu, Aug 23, 2018 at 6:04 PM wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On Thu, Aug 23, 2018 at 05:31:57PM +0300, Martin T wrote: > > Hi! > > > > According to "man interfaces", the ifup brings the named interfaces up > > in

processing order for configuration files in /etc/network/interfaces.d

2018-08-23 Thread Martin T
Hi! According to "man interfaces", the ifup brings the named interfaces up in the order listed in /etc/network/interfaces file. However, what is the order for files in /etc/network/interfaces.d/? Alphabetical, i.e same as "ls -l /etc/network/interfaces.d/"? thanks, Martin

Re: "accept_ra 1" vs "accept_ra 2" in interfaces configuration-file

2018-08-21 Thread Martin T
On Tue, Aug 21, 2018 at 1:23 AM Andy Smith wrote: > > Hi Martin, > > On Mon, Aug 20, 2018 at 03:58:36PM +0300, Martin T wrote: > > On Mon, Aug 20, 2018 at 7:55 AM Andy Smith wrote: > > > Back in 2011 this was a hard-won battle: > > > > > > >

Re: "accept_ra 1" vs "accept_ra 2" in interfaces configuration-file

2018-08-20 Thread Martin T
On Mon, Aug 20, 2018 at 7:55 AM Andy Smith wrote: > > Hi Martin, > > On Mon, Aug 20, 2018 at 05:12:56AM +0300, Martin T wrote: > > According to "man interfaces" "accept_ra 1" makes interface to accept > > IPv6 RA messages. "accept_ra 2&qu

"accept_ra 1" vs "accept_ra 2" in interfaces configuration-file

2018-08-19 Thread Martin T
Hi! According to "man interfaces" "accept_ra 1" makes interface to accept IPv6 RA messages. "accept_ra 2" does the same and in addition, it also enables forwarding. What does the forwarding mean in this context? One could think, that it modifies the /proc/sys/net/ipv6/conf/*/forwarding file(s),

Re: "libstdc++6:i386" package breaks "libstdc++6"

2017-05-12 Thread Martin T
Hi, sorry, my mistake. I had installed libstdc++6:amd64 version 6.3.0-16 from Debian testing. regards, Martin On Thu, May 11, 2017 at 5:19 PM, Henrique de Moraes Holschuh <h...@debian.org> wrote: > On Thu, 11 May 2017, Martin T wrote: >> I need to install "openjdk-7-jre-he

"libstdc++6:i386" package breaks "libstdc++6"

2017-05-11 Thread Martin T
Hi, I need to install "openjdk-7-jre-headless:i386" package in my amd64 Debian 8 system. However, it depends on "libstdc++6:i386" package which seems to break my system: # apt-cache depends libstdc++6:i386 libstdc++6:i386 Depends: gcc-4.9-base:i386 Depends: libc6:i386 Depends: libgcc1:i386

real interface MTU different than seen in the output of "ip link show" command

2017-02-03 Thread Martin T
Hi, today I noticed an interesting behavior where the PC NIC does not discard a received Ethernet frame, although it is larger than MTU on this NIC. For example, I made PC1[eth0] <-> [eth0]PC2 and PC1[eth0] <-> [eth0]PC3 connections and set the MTU on PC1 eth0 interface to 9000 bytes and MTU on

Re: understanding how localization works in Debian

2016-12-12 Thread Martin T
On Mon, Dec 12, 2016 at 3:47 PM, Greg Wooledge <wool...@eeg.ccf.org> wrote: > On Mon, Dec 12, 2016 at 01:58:12PM +0200, Martin T wrote: >> 1) pam_env.so sets the environmental variables seen in the output of >> locale command based on configuration files(for example >>

understanding how localization works in Debian

2016-12-12 Thread Martin T
Hi, I read the "Configuring the System for Another Language" paragraph in "The Debian Administrator's Handbook" and am I correct that localization works in a way that: 1) pam_env.so sets the environmental variables seen in the output of locale command based on configuration files(for example

potential damage to Debian "stable" when installing packages from "testing"

2016-12-08 Thread Martin T
Hi, let's say that I need a package named "weechat"(version 1.6-1) from Debian "testing": # apt-get install -t testing weechat Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: binutils libc-bin libc-dev-bin

Re: Advantages of Debian "backports" over "testing"?

2016-12-08 Thread Martin T
Ok, understood. Thank you! Martin On Thu, Dec 8, 2016 at 1:30 PM, Lisi Reisz <lisi.re...@gmail.com> wrote: > On Thursday 08 December 2016 11:06:55 Martin T wrote: >> One more question regarding Debian backports- is it a good practice to >> prefer latest versions from backp

Re: Advantages of Debian "backports" over "testing"?

2016-12-08 Thread Martin T
newer than the versions in stable(jessie). Or is it a better practice to cherry-pick packages from "jessie-backports"? thanks, Martin On Wed, Dec 7, 2016 at 4:25 PM, maderios <mader...@gmail.com> wrote: > On 12/07/2016 12:45 AM, Martin T wrote: >> >> Hi, >> >> wh

Re: default "Default-Release" for APT

2016-12-08 Thread Martin T
, version 2.10.95-7 from "unstable" would get installed because it is the highest version(checked with "dpkg --compare-versions") from all three sources with priority 500. Martin On Thu, Dec 8, 2016 at 1:35 AM, Mark Fletcher <mark2...@gmail.com> wrote: > > On Th

Re: default "Default-Release" for APT

2016-12-07 Thread Martin T
lt release is determined. thanks, Martin On Thu, Dec 8, 2016 at 12:03 AM, maderios <mader...@gmail.com> wrote: > On 12/07/2016 07:26 PM, Martin T wrote: >> >> Hi, >> >> I read the apt_preferences man page and it says that "To configure the >> default releas

default "Default-Release" for APT

2016-12-07 Thread Martin T
Hi, I read the apt_preferences man page and it says that "To configure the default release in the configuration file, use: APT::Default-Release "stable";". While I have multiple distributions in sources.list file(stable, testing, unstable, jessie-backports), then I don't have the

Re: Advantages of Debian "backports" over "testing"?

2016-12-07 Thread Martin T
Understood. Thanks! Martin On Wed, Dec 7, 2016 at 4:07 PM, Mark Fletcher <mark2...@gmail.com> wrote: > On Wed, Dec 07, 2016 at 03:25:17PM +0200, Martin T wrote: >> Dan, >> >> > On the other hand, upgrade your webserver to a backports version, >> > and

Re: Advantages of Debian "backports" over "testing"?

2016-12-07 Thread Martin T
ckages which require some features which are provided only by libraries available for "testing" and thus the package can not be available via backports. thanks, Martin On Wed, Dec 7, 2016 at 2:37 AM, Dan Ritter <d...@randomstring.org> wrote: > On Wed, Dec 07, 2016 at 01:45:4

Advantages of Debian "backports" over "testing"?

2016-12-06 Thread Martin T
Hi, what are advantages of using Debian "backports"("jessie-backports" in sources.list file) over "testing"("testing" in sources.list file)? As I understand, "backports" does not have all the packages from "testing". On the other hand, packages in "backports" are specially recompiled for "stable"

Detect upgradable packages in shell script ran as a non-root user

2016-11-30 Thread Martin T
Hi, I would like to run a cron job which periodically checks if I have upgradable packages. One way to do it is probably like this: $ apt-get upgrade -s | grep -q "^0 upgraded" In case exit code is >0, then there are upgradable packages. The second solution I came up with is: $ for package in

Re: USB mouse and keyboard disconnected

2016-11-07 Thread Martin T
ule/usbcore/holders/ehci_pci /lib/modules/3.16.0-4-amd64/kernel/drivers/usb/host/ehci-pci.ko # Any other ideas? thanks, Martin On Fri, Nov 4, 2016 at 12:48 AM, Mark Fletcher <mark2...@gmail.com> wrote: > On Thu, Nov 03, 2016 at 06:18:59PM +0200, Martin T wrote: >> Hi, >> >

Re: USB mouse and keyboard disconnected

2016-11-03 Thread Martin T
nt) parm: park:park setting; 1-3 back-to-back async packets (uint) parm: ignore_oc:ignore bogus hardware overcurrent indications (bool) # Any ideas what might cause this issue? thanks, Martin On Mon, Sep 19, 2016 at 4:47 PM, Martin T <m4rtn...@gmail.com> wrot

USB mouse and keyboard disconnected

2016-09-19 Thread Martin T
Hi, I made a fresh minimal(no desktop environment, open-source "radeon" driver, CEDAR firmware, X and dwm) Debian 8.5 installation few days ago. Since that I have had two occasions where all of the sudden USB devices(USB keyboard and mouse) no longer work. I'm able to access my PC over SSH(or use

Re: How to install init scripts manually?

2015-11-03 Thread Martin T
In addition to symlinks to /etc/rc.d/ directories, insserv adds a ":" line to /etc/init.d/.depend.start file. My mistake was that I added ":" line to /etc/init.d/.depend.start file. regards, Martin On 8/9/14, Andrei POPESCU <andreimpope...@gmail.com> wrote: > On Lu

Re: apt-get dist-upgrade shows kept back packages

2015-08-28 Thread Martin T
On 8/27/15, David Wright deb...@lionunicorn.co.uk wrote: Quoting Martin T (m4rtn...@gmail.com): Hi, as far as I know, kept back packages in Debian are shown in case package can not be upgraded with apt-get upgrade because upgrade requires to install new packages. Usually this can be fixed

apt-get dist-upgrade shows kept back packages

2015-08-27 Thread Martin T
Hi, as far as I know, kept back packages in Debian are shown in case package can not be upgraded with apt-get upgrade because upgrade requires to install new packages. Usually this can be fixed with apt-get dist-upgrade because this will install new packages if needed. Now for some reason

qemu with KVM support compared to professional virtualization products from VMware or Oracle

2015-03-27 Thread Martin T
Hi, I need to virtualize few dozen virtual-machines for production environment under Debian host-machine. I like the KISS principle provided by qemu with KVM support where each utility has its own specific purpose. For example I set up the virtual switch with ip/brctl utility or use single qemu

Re: How well-maintained are NEWS and changelog files in deb packages?

2015-02-16 Thread Martin T
Don, thanks for explaining this! Martin On Fri, Feb 13, 2015 at 7:20 PM, Don Armstrong d...@debian.org wrote: On Fri, 13 Feb 2015, Martin T wrote: apt-listchanges uses NEWS and changelog files in Debian packages. Are NEWS and changelog files always or at list usually updated, i.e

How well-maintained are NEWS and changelog files in deb packages?

2015-02-13 Thread Martin T
Hi, apt-listchanges uses NEWS and changelog files in Debian packages. Are NEWS and changelog files always or at list usually updated, i.e. is it safe to trust those? thanks, Martin -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of unsubscribe. Trouble?

Re: Software compatibility between different architectures?

2014-08-10 Thread Martin T
how compatible are drivers on ports for different CPU architectures, e.g. I have a USB HSDPA modem which works great on Wheezy port for x86 architecture, but can I expect it to work on Wheezy port for ARM? If your ARM platform's USB driver works, then yes, you can expect the exact same

Re: understanding Debian support on ARM architecture

2014-08-10 Thread Martin T
: Hi. On Sun, 10 Aug 2014 04:40:05 +0300 Martin T m4rtn...@gmail.com wrote: Hi, according to wiki, Debian is supported on little-endian ARM architecture. However, then wiki lists some sub-architectures which are supported. For example iop32x, ixp4xx, kirkwood and orion5x. Does this mean

Re: NFS and iptables during bootup

2014-08-09 Thread Martin T
? Martin On Sat, Aug 9, 2014 at 6:33 AM, Tom H tomh0...@gmail.com wrote: On Fri, Aug 8, 2014 at 11:47 AM, Martin T m4rtn...@gmail.com wrote: I moved the script from /etc/init.d to /etc/network directory and changed the shebang line from /bin/bash to /bin/sh. /bin/sh on my system points to /bin

Software compatibility between different architectures?

2014-08-09 Thread Martin T
Hi, how compatible are drivers on ports for different CPU architectures, e.g. I have a USB HSDPA modem which works great on Wheezy port for x86 architecture, but can I expect it to work on Wheezy port for ARM? Can one expect the same options(modprobe parameters) for drivers on all platforms? What

understanding Debian support on ARM architecture

2014-08-09 Thread Martin T
Hi, according to wiki, Debian is supported on little-endian ARM architecture. However, then wiki lists some sub-architectures which are supported. For example iop32x, ixp4xx, kirkwood and orion5x. Does this mean that Debian ARM port works on fairly limited number of sub-architectures? For example

Re: How to install init scripts manually?

2014-08-08 Thread Martin T
On 8/4/14, Gary Dale garyd...@torfree.net wrote: On 04/08/14 11:04 AM, Martin T wrote: On 8/4/14, Gary Dalegaryd...@torfree.net wrote: On 04/08/14 06:30 AM, Martin T wrote: Hi, I played around with a LSB init script under Squeeze(init is from sysvinit package version 2.88dsf-13.1

Re: NFS and iptables during bootup

2014-08-08 Thread Martin T
script(/etc/init.d/nfs-common start) took few minutes to start even if the OS is running. regards, Martin On 8/4/14, Tom H tomh0...@gmail.com wrote: On Mon, Aug 4, 2014 at 10:52 AM, Martin T m4rtn...@gmail.com wrote: I made a very simple bash script which loads the iptables configuration

How to install init scripts manually?

2014-08-04 Thread Martin T
Hi, I played around with a LSB init script under Squeeze(init is from sysvinit package version 2.88dsf-13.1+squeeze1) for learning purposes. My script is following: # cat /etc/init.d/test-script #! /bin/sh ### BEGIN INIT INFO # Provides: test # Required-Start:$all # Required-Stop:

NFS and iptables during bootup

2014-08-04 Thread Martin T
Hi, I made a very simple bash script which loads the iptables configuration from /etc/firewall.conf and /etc/firewall6.conf files: # cat /etc/init.d/firewall #!/bin/bash iptables-restore /etc/firewall.conf ip6tables-restore /etc/firewall6.conf # Script is stored in /etc/init.d/ directory,

Re: How to install init scripts manually?

2014-08-04 Thread Martin T
06:30 AM, Martin T wrote: Hi, I played around with a LSB init script under Squeeze(init is from sysvinit package version 2.88dsf-13.1+squeeze1) for learning purposes. My script is following: # cat /etc/init.d/test-script #! /bin/sh ### BEGIN INIT INFO # Provides: test # Required

atftpd listens on wrong UDP port

2014-07-31 Thread Martin T
Hi, When I start an atftpd daemon with /usr/sbin/atftpd --port 69 --bind-address 10.10.10.2 --daemon /srv/tftp/ command, the TFTP server listens on ephimeral port(58418 in this example) instead of port 69: # atftpd --version atftp-0.7 (server) # /usr/sbin/atftpd --port 69 --bind-address

Does anyone have mimic-tools1.0.1.deb package?

2014-07-28 Thread Martin T
Hi, aMSN(free open source MSN Messenger clone) allowed one to store web-cam sessions, but saved those into cam files. There is an utility called mimic2rgb which allows one to convert those cam files into RGB video stream. At some point, there even were some Debian packages

Re: Does anyone have mimic-tools1.0.1.deb package?

2014-07-28 Thread Martin T
Hi, thank you for the reply, but looks the mimic-tools1.0.1.deb installation package has never been in official Debian repositories. regards, Martin On Tue, Jul 29, 2014 at 12:10 AM, Andrei POPESCU andreimpope...@gmail.com wrote: On Lu, 28 iul 14, 11:49:44, Martin T wrote: Hi, aMSN(free

Re: minimal X.org xserver installation on Debian Wheezy

2014-05-11 Thread Martin T
Thank you for replies! As I understand, xserver-xorg will install /usr/bin/X binary, which is a X Window Server itself and xinit installs the /usr/bin/xinit utility which starts the X Window Server and window manager(dwm in my case) as a X Windows Server client. As I have Intel 945GM video card, I

Re: free space before the first and after the last partition if GPT partition scheme is used

2014-05-11 Thread Martin T
? regards, Martin On Sun, May 11, 2014 at 1:05 PM, Sven Hartge s...@svenhartge.de wrote: Martin T m4rtn...@gmail.com wrote: 2) Am I correct that boot loaders use their code on this area after the primary GPT and before the first partition? No. Bootloaders store their code in a special

Re: free space before the first and after the last partition if GPT partition scheme is used

2014-05-11 Thread Martin T
1.3MiB of free space- I guess it's because you aligned your partitions on 8 sector boundaries and there was no need to leave free space for alignment? regards, Martin On Sun, May 11, 2014 at 6:30 PM, Sven Hartge s...@svenhartge.de wrote: Martin T m4rtn...@gmail.com wrote: I see. Thanks

minimal X.org xserver installation on Debian Wheezy

2014-05-10 Thread Martin T
Hi, I installed Debian Wheezy with no desktop environment as I would like to use lightweight dwm window manager instead. However, as a first step, I need to install xserver. I would like to install minimal components needed for running the xserver. What are the exact components(binaries,

free space before the first and after the last partition if GPT partition scheme is used

2014-05-10 Thread Martin T
Hi, DebianInstaller shows FREE SPACE before the first partition and after the last partition if GPT scheme is used: http://i.imgur.com/qjNrdAx.jpg While there is nothing wrong with that as there is indeed some free space before the first partition and after the last

domain-name option during the installation of Debian

2014-03-07 Thread Martin T
Hi, during the installation of Debian, one is asked for domain name. Only place where it seems to be used is for completing the FQDN's: root@localhost:~# find / \( \( -path /proc -o -path /sys \) -a -prune \) -o \( -type f -a -exec grep -iH lab.net {} \; \) /var/log/installer/status:Maintainer:

Re: domain-name option during the installation of Debian

2014-03-07 Thread Martin T
for completing the domain names. regards, Martin On Sat, Mar 8, 2014 at 2:04 AM, Scott Ferguson scott.ferguson.debian.u...@gmail.com wrote: On 08/03/14 12:40, Martin T wrote: Hi, during the installation of Debian, one is asked for domain name. If it's not set automatically (by arping?) Only

questions regarding file-system(ext3 or ext4) optimization for sortware-RAID array

2014-03-05 Thread Martin T
Hi, I created a RAID1 array of two physical HDD's with chunk size of 64KiB under Debian wheezy. As a next step, I would like to create a file-system(ext3 or ext4) to this RAID1 array using mke2fs utility. Questions: 1) Should I use physical HDD sector size(512B in case of my HDD's) or file

How to understand which access control mechanism is in use for X server?

2014-01-07 Thread Martin T
Hi, there are multiple access control mechanisms for X server like access based on host(xhost) or access based on cookie(xauth). Are both usually enabled at the same time? If yes, then which one is checked first? Are both active? I mean for example once I enable host with xhost, then do I need to

How and where lspci utility gathers information about hardware components?

2013-10-27 Thread Martin T
Hi, lspci utility shows information regarding devices on various buses like PCI or PCI Express. For example on IBM ThinkPad T42 laptop: T42 ~ # lspci 00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O Controller (rev 03) 00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP

Re: understanding the role/relationship of the firmware and driver in case of Wi-Fi adapters

2013-01-06 Thread Martin T
is probably part of the RT2870F chip? regards, Martin 2013/1/2 Bob Proulx b...@proulx.com: Martin T wrote: some Wi-Fi adapters(for example Intel ipw2200 family and many Ralink cards) require both firmware and drivers in order to operate properly. Yes. 1) As I understand, firmware is usually

understanding the role/relationship of the firmware and driver in case of Wi-Fi adapters

2013-01-01 Thread Martin T
Hello, some Wi-Fi adapters(for example Intel ipw2200 family and many Ralink cards) require both firmware and drivers in order to operate properly. 1) As I understand, firmware is usually a closed-source binary image provided by Wi-Fi card manufacturer? 2) What happens with the firmware when card

Re: hostname question during Debian installation

2012-09-13 Thread Martin T
Hello, in order to wrap this hostname question up, then hostname set during the Debian installation is: 1) mapped to an address from 127.0.0.0/8 range in /etc/hosts file. Specifically to IPv4 address 127.0.1.1 2) written to MTA(for example exim4) configuration file 3) written to /etc/mailname 4)

unable to install Debian using syslinux 4.05(stuck in Load installer components from CD step)

2012-06-17 Thread Martin T
Hi, I'm trying to install debian-6.0.5-amd64-CD-1.iso from USB memory-stick. The problem is, that Debian-Installer is not able to Detect and mount CD-ROM during the installation process. The USB memory-stick is a 2GB model containing MBR and FAT32 file system: # fdisk -lu /dev/sdb Disk

which errors are critical for integrity of ext[234] file system?

2012-04-18 Thread Martin T
I was playing with dd conv=noerror option. It continues reading the input file(for example HDD/SSD partition) even in case there are read errors. Which errors are critical for integrity of ext[234] file system? As I understand, Linux views the file system as a common set of objects-

ICMP handling in Linux

2012-04-10 Thread Martin T
It's a well known fact that even most(with exceptions like ASR1K) of the high-end Cisco or Juniper routers handle ICMP traffic in routing engines not in ASIC's which means that they share the CPU time with other processes. How prioritized is ICMP handling in modern Linux 2.6 and newer kernels? Is

Re: shrink ext3 filesystem using e2fsprogs and fdisk

2012-03-28 Thread Martin T
Stefan: I'm afraid you can't use dd for this because as far as I know dd(1) reads and writes one block at a time and in case new position for file system overlaps with the present one, using dd you will start overwriting the end of the file system with the readings from the start of the file

Re: shrink ext3 filesystem using e2fsprogs and fdisk

2012-03-26 Thread Martin T
: On Sun, Mar 25, 2012 at 10:50:27PM +, Martin T wrote: I have a 500GB((131072000*4096)/1024^3) ext3 filesystem: [cut] Is it possible to make partition smaller starting from the beginning? If yes, do I need to somehow start file system from the end of the partition? Not directly. Try

shrink ext3 filesystem using e2fsprogs and fdisk

2012-03-25 Thread Martin T
I have a 500GB((131072000*4096)/1024^3) ext3 filesystem: root@debian:~#dumpe2fs /dev/sda9 | egrep Block count|Block size dumpe2fs 1.41.12 (17-May-2010) Block count: 131072000 Block size: 4096 root@debian:~# ..on a 904GB((1953523711-56924160)*512)/(1024^3)

Re: hostname question during Debian installation

2012-02-14 Thread Martin T
at 8:16 PM, Martin T m4rtn...@gmail.com wrote: During Debian installation there is a question about hostname using expert installation mode. In both modes but I don't think that regular mode asks you for a domain. Am I correct, that hostname inserted during Debian installation is associated

hostname question during Debian installation

2012-02-12 Thread Martin T
During Debian installation there is a question about hostname using expert installation mode. Am I correct, that hostname inserted during Debian installation is associated with a local(address from 127.0.0.0/8 range) IP address: martin@martin-ThinkPad-T60:~$ hostname martin-ThinkPad-T60