Re: Troubleshooting connection loss (novice question)

On Wed, 31 Oct 2007 01:01:10 GMT, Allen Weiner wrote:

Bit Twister: Your script dump_net.txt Ver 3.4 appears to have some
problems with respect to Fedora. I'd like to repair my copy of it. I
have zero experience with bash scripting.

I wonder if you had a cut and paste problem.
Just boot fc7 and it works for me.
I did make some changes so here is a new copy followed by my fc7 a.txt dump.


#!/bin/bash
#******** start of xx.txt script ****************

_fn=a.txt
_out_fn=$PWD/$_fn
_dos_fn=$PWD/dos${_fn}
_home=$PWD

function cat_fn
{
_fn=$1
if [ -f $_fn ] ; then
_count=$(stat -c %s $_fn )
if [ $_count -gt 0 ] ; then
echo ======== cat $_fn ========== >> $_out_fn
cat $_fn >> $_out_fn
fi
fi
} # end cat_fn

function grep_fn
{
_fn=$1
if [ -e $_fn ] ; then
_count=$(stat -c %s $_fn )
if [ $_count -gt 0 ] ; then
_count=$(grep -v '^#' $_fn | wc -l)
if [ $_count -gt 0 ] ; then
echo "======== grep -v '^#' $_fn ==========" >> $_out_fn
if [ "$_fn" != "shorewall.conf" ] ; then
grep -v '^#' $_fn >> $_out_fn
else
awk 'empty{if (!/^#/) print; empty=0} /^$/{empty=1}' $_fn >> $_out_fn
fi
fi
fi
fi
} # end grep_fn

function ls_dir
{
_dr=$1
if [ -d $_dr ] ; then
echo "========= cd $_dr ; ls -al ========" >> $_out_fn
cd $_dr
ls -al >> $_out_fn
fi
} # end ls_dir

function tail_fn
{
_fn=$1
if [ -e $_fn ] ; then
echo "======== tail -18 $_fn ==========" >> $_out_fn
tail -18 $_fn >> $_out_fn
fi
} # end tail_fn

#********************************
# check if commands are in $PATH
# and if not add them path to $PATH
#********************************

_path=""
type ifconfig > /dev/null 2>&1
if [ $? -ne 0 ] ; then
_path="${_path}/sbin:"
fi

type cat > /dev/null 2>&1
if [ $? -ne 0 ] ; then
_path="${_path}/bin:"
fi

type id > /dev/null 2>&1
if [ $? -ne 0 ] ; then
_path="${_path}/usr/bin:"
fi

if [ -n "$_path" ] ; then
PATH=${_path}$PATH
export PATH
fi

#********************************
# check if root and logged in correctly
#********************************

_uid=$(id --user)

if [ $_uid -ne 0 ] ; then
echo " "
echo "You need to be root to run $0"
echo "CLick up a terminal and do the following:"
echo " "
echo "su - root"
echo "$PWD/xx"
exit 1
fi

root_flg=1

if [ -n "$LOGNAME" ] ; then
if [ "$LOGNAME" != "root" ] ; then
root_flg=0
fi
fi

if [ -n "$USER" ] ; then
if [ "$USER" != "root" ] ; then
root_flg=0
fi
fi

if [ $root_flg -eq 0 ] ; then
echo " "
echo "Guessing you did a su root"
echo "instead of a su - root"
echo "please exit/logout of this session and do the following:"
echo " "
echo "su - root"
echo "$PWD/xx"
echo " "
exit 1
fi


#********************************
# main code starts here
#********************************


echo "Working, output will be in $_out_fn "

date > $_out_fn
chmod 666 $_out_fn

if [ -n "$_path" ] ; then
echo ======== echo $PATH ========== >> $_out_fn
echo $PATH >> $_out_fn 2>&1
fi

cat_fn /etc/product.id

echo ======== cat /etc/*release ========== >> $_out_fn
cat /etc/*release >> $_out_fn 2>&1

echo ======== uname -rvi ============= >> $_out_fn
uname -rvi >> $_out_fn

echo ======== cat /etc/*version ========== >> $_out_fn
cat /etc/*version >> $_out_fn 2>&1

echo ======== cat /proc/version ========== >> $_out_fn
cat /proc/*version >> $_out_fn 2>&1

type lsb_release > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo ======== lsb_release -a ========== >> $_out_fn
lsb_release -a >> $_out_fn 2>&1
fi

echo " " >> $_out_fn
echo msec security level is $SECURE_LEVEL >> $_out_fn

echo ======== free ========== >> $_out_fn
free >> $_out_fn 2>&1

type chkconfig > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo ======== chkconfig --list ========== >> $_out_fn
for _serv in avahi named tmdns ; do
chkconfig --list | grep -i $_serv > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "Double check if /$_serv/ needs to be disabled on boot" >> $_out_fn
chkconfig --list | grep -i $_serv >> $_out_fn
fi
done

chkconfig --list >> $_out_fn

else
echo ======== ls -o /etc/rcS.d/ ========== >> $_out_fn
for _serv in avahi named tmdns ; do
ls /etc/rcS.d/S* | grep $_serv > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "Double check if /$_serv/ needs to be disabled on boot" >> $_out_fn
fi
done

ls -o /etc/rcS.d >> $_out_fn
fi

_fn=/etc/nsswitch.conf
if [ -e $_fn ] ; then
echo ======== grep hosts: $_fn ========== >> $_out_fn
grep hosts: $_fn >> $_out_fn
fi

grep_fn /etc/resolv.conf

grep_fn /etc/resolvconf/resolv.conf.d/head
cat_fn /etc/resolvconf/resolv.conf.d/base
cat_fn /etc/resolvconf/resolv.conf.d/tail


echo ======== hostname ========== >> $_out_fn
hostname >> $_out_fn

cat_fn /etc/netprofile/profiles/default/files/etc/hosts
cat_fn /etc/hostname
cat_fn /etc/HOSTNAME

ls /etc/mod*.conf > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "======== grep eth /etc/mod*.conf ==========" >> $_out_fn
grep eth /etc/mod*.conf >> $_out_fn
fi

cat_fn /etc/dhclient-enter-hooks
cat_fn /etc/dhclient-exit-hooks

grep_fn /etc/host.conf

echo ================ ifconfig -a =============== >> $_out_fn
ifconfig -a >> $_out_fn

cat_fn /etc/iftab
cat_fn /etc/udev/rules.d/61-net_config.rules

echo ============== route -n ================= >> $_out_fn
route -n >> $_out_fn

cat_fn /etc/sysconfig/network/routes

cat_fn /etc/sysconfig/network
grep_fn /etc/mkinitramfs/initramfs.conf

echo ============== head -15 /etc/hosts =============== >> $_out_fn
head -15 /etc/hosts >> $_out_fn

cat_fn /etc/network/interfaces
cat_fn /var/run/network/ifstate


_cmd=""
type ethtool > /dev/null 2>&1
if [ $? -eq 0 ] ; then
_cmd="ethtool"
fi

type mii-tool > /dev/null 2>&1
if [ $? -eq 0 ] ; then
_cmd="mii-tool -v"
fi

if [ -z "$_cmd" ] ; then
echo ======== mii-tool/ethtool NOT INSTALLED ========== >> $_out_fn
fi

for nic in 0 1 2 ; do

if [ -n "$_cmd" ] ; then
$_cmd eth$nic > /dev/null 2>&1
if [ $? -eq 0 ] ; then
echo ======== $_cmd eth$nic ========== >> $_out_fn
$_cmd eth$nic >> $_out_fn
fi
fi

echo "======== dmesg | grep eth$nic ==========" >> $_out_fn
dmesg | grep eth$nic >> $_out_fn

cat_fn /etc/sysconfig/network-scripts/ifcfg-eth$nic

ifconfig eth$nic > /dev/null 2>&1
if [ $? -eq 0 ] ; then
set $(ifconfig eth$nic | tr [A-Z] [a-z])
cat_fn /etc/sysconfig/network/ifcfg-eth-id-$5
fi

tail_fn /var/lib/dhcp/dhclient-eth${nic}.leases
tail_fn /etc/dhcpc/dhcpcd-eth${nic}.info

done # end for nic in 0 1 2 ; do

_dir=/etc/NetworkManager/dispatcher.d
if [ -d $_dir ] ; then
ls_dir $_dir

for _d in "if-up.d" "if-down.d" "if-pre-up.d" "if-post-down.d" ; do
echo ==== cd /etc/network/${_d} ; ls -al === >> $_out_fn
cd /etc/network/${_d}
ls -al >> $_out_fn
done
fi

if [ -d /etc/sysconfig/network-scripts ] ; then
for _d in "ifdown.d" "ifup.d" ; do
if [ -e /etc/sysconfig/network-scripts/${_d} ] ; then
_cmd="cd /etc/sysconfig/network-scripts/${_d} ; ls -al "
echo "===== $_cmd ====" >> $_out_fn
cd /etc/sysconfig/network-scripts/${_d}
ls -al >> $_out_fn
fi
done
fi

ls_dir /etc/dhcp3/dhclient-exit-hooks.d
ls_dir /etc/resolvconf/update.d


if [ -d /etc/shorewall ] ; then
_count=$(chkconfig --list shorewall | grep -c :on )
if [ $_count -gt 0 ] ; then
echo "======= Shorewall settings =========" >> $_out_fn
cd /etc/shorewall
for _f in $(ls) ; do
echo "======= $_f =========" >> $_out_fn
grep_fn $_f
done
fi
fi

echo "======= grep eth0 /var/log/messages | tail -10 =========" >> $_out_fn
grep eth0 /var/log/messages | tail -10 >> $_out_fn

cd $_home

grep_fn /etc/hosts.allow
grep_fn /etc/hosts.deny
echo "======= end of config/network data dump ===========" >> $_out_fn

awk '{print $0 "\r" }' $_out_fn > $_dos_fn
chmod 666 $_dos_fn


echo " "
echo "If posting via linux, post contents of $_out_fn"
echo "You might want to copy it to your account with the command"
echo "cp $_out_fn ~your_login"
echo " "
echo "If posting via windows, post contents of $_dos_fn"
echo " "
echo "If using diskette,"
echo "Copy $_dos_fn to diskette with the following commands:"
echo " "
echo "mkdir -p /floppy"
echo "mount -t auto /dev/fd0 /floppy"
echo "cp $_dos_fn /floppy"
echo "umount /floppy "
echo " "
echo "and $_dos_fn is ready for windows from diskette"
echo " "

#*********** end of dump xx.txt script *********



a.txt follows:





Wed Oct 31 00:24:16 CDT 2007
======== cat /etc/fedora-release /etc/redhat-release ==========
Fedora release 7 (Moonshine)
Fedora release 7 (Moonshine)
======== uname -rvi =============
2.6.21-1.3194.fc7 #1 SMP Wed May 23 22:35:01 EDT 2007 i386
======== cat /etc/subversion ==========
cat: /etc/subversion: Is a directory
======== cat /proc/version ==========
Linux version 2.6.21-1.3194.fc7 (kojibuilder@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.2 20070502 (Red Hat 4.1.2-12)) #1 SMP Wed May 23 22:35:01 EDT 2007
======== lsb_release -a ==========
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: Fedora
Description: Fedora release 7 (Moonshine)
Release: 7
Codename: Moonshine

msec security level is
======== free ==========
total used free shared buffers cached
Mem: 969032 298952 670080 0 39488 162208
-/+ buffers/cache: 97256 871776
Swap: 1228932 0 1228932
======== chkconfig --list ==========
Double check if /avahi/ needs to be disabled on boot
avahi-dnsconfd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
BackupPC 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ConsoleKit 0:off 1:off 2:off 3:on 4:on 5:on 6:off
NetworkManager 0:off 1:off 2:off 3:off 4:off 5:off 6:off
NetworkManagerDispatcher 0:off 1:off 2:off 3:off 4:off 5:off 6:off
anacron 0:off 1:off 2:on 3:on 4:on 5:on 6:off
atd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
auditd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
autofs 0:off 1:off 2:off 3:on 4:on 5:on 6:off
avahi-dnsconfd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
bluetooth 0:off 1:off 2:on 3:on 4:on 5:off 6:off
btseed 0:off 1:off 2:off 3:off 4:off 5:off 6:off
bttrack 0:off 1:off 2:off 3:off 4:off 5:off 6:off
capi 0:off 1:off 2:off 3:off 4:off 5:off 6:off
cpuspeed 0:off 1:on 2:on 3:on 4:on 5:on 6:off
crond 0:off 1:off 2:on 3:on 4:on 5:on 6:off
cups 0:off 1:off 2:on 3:on 4:on 5:off 6:off
dc_client 0:off 1:off 2:off 3:off 4:off 5:off 6:off
dc_server 0:off 1:off 2:off 3:off 4:off 5:off 6:off
dhcdbd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
dovecot 0:off 1:off 2:off 3:off 4:off 5:off 6:off
dund 0:off 1:off 2:off 3:off 4:off 5:off 6:off
firstboot 0:off 1:off 2:off 3:on 4:off 5:on 6:off
gpm 0:off 1:off 2:on 3:on 4:on 5:off 6:off
haldaemon 0:off 1:off 2:off 3:on 4:on 5:on 6:off
hidd 0:off 1:off 2:on 3:on 4:on 5:off 6:off
hplip 0:off 1:off 2:on 3:on 4:on 5:off 6:off
httpd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ip6tables 0:off 1:off 2:on 3:on 4:on 5:off 6:off
iptables 0:off 1:off 2:on 3:on 4:on 5:off 6:off
irda 0:off 1:off 2:off 3:off 4:off 5:off 6:off
irqbalance 0:off 1:off 2:on 3:on 4:on 5:on 6:off
isdn 0:off 1:off 2:on 3:on 4:on 5:on 6:off
kudzu 0:off 1:off 2:off 3:on 4:on 5:on 6:off
lisa 0:off 1:off 2:off 3:off 4:off 5:off 6:off
lm_sensors 0:off 1:off 2:on 3:on 4:on 5:on 6:off
mcstrans 0:off 1:off 2:on 3:on 4:on 5:on 6:off
mdmonitor 0:off 1:off 2:on 3:on 4:on 5:on 6:off
messagebus 0:off 1:off 2:off 3:on 4:on 5:on 6:off
multipathd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
nasd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
netconsole 0:off 1:off 2:off 3:off 4:off 5:off 6:off
netfs 0:off 1:off 2:off 3:on 4:on 5:on 6:off
netplugd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
network 0:off 1:off 2:on 3:on 4:on 5:on 6:off
nfs 0:off 1:off 2:off 3:off 4:off 5:off 6:off
nfslock 0:off 1:off 2:off 3:on 4:on 5:on 6:off
nmb 0:off 1:off 2:off 3:off 4:off 5:off 6:off
nscd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
ntpd 0:off 1:off 2:off 3:on 4:off 5:on 6:off
openvpn 0:off 1:off 2:off 3:off 4:off 5:off 6:off
pand 0:off 1:off 2:off 3:off 4:off 5:off 6:off
pcscd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
psacct 0:off 1:off 2:off 3:off 4:off 5:off 6:off
rdisc 0:off 1:off 2:off 3:off 4:off 5:off 6:off
readahead_early 0:off 1:off 2:on 3:on 4:on 5:on 6:off
readahead_later 0:off 1:off 2:off 3:off 4:off 5:on 6:off
restorecond 0:off 1:off 2:on 3:on 4:on 5:on 6:off
rpcbind 0:off 1:off 2:off 3:on 4:on 5:on 6:off
rpcgssd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
rpcidmapd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
rpcsvcgssd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
saslauthd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
sendmail 0:off 1:off 2:on 3:on 4:on 5:off 6:off
setroubleshoot 0:off 1:off 2:off 3:on 4:on 5:on 6:off
smartd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
smb 0:off 1:off 2:off 3:off 4:off 5:off 6:off
smolt 0:off 1:off 2:on 3:on 4:on 5:on 6:off
snmpd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
snmptrapd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
spamassassin 0:off 1:off 2:off 3:off 4:off 5:off 6:off
squid 0:off 1:off 2:off 3:off 4:off 5:off 6:off
sshd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
syslog 0:off 1:off 2:on 3:on 4:on 5:on 6:off
tux 0:off 1:off 2:off 3:off 4:off 5:off 6:off
vncserver 0:off 1:off 2:off 3:off 4:off 5:off 6:off
winbind 0:off 1:off 2:off 3:off 4:off 5:off 6:off
wpa_supplicant 0:off 1:off 2:off 3:off 4:off 5:off 6:off
xfs 0:off 1:off 2:on 3:on 4:on 5:on 6:off
ypbind 0:off 1:off 2:off 3:off 4:off 5:off 6:off
yum-updatesd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
======== grep hosts: /etc/nsswitch.conf ==========
#hosts: db files nisplus nis dns
hosts: files dns
======== grep -v '^#' /etc/resolv.conf ==========
nameserver 192.168.1.1
======== hostname ==========
fedora.home.invalid
======== grep eth /etc/mod*.conf ==========
alias eth0 8139too
alias eth1 tulip
======== grep -v '^#' /etc/host.conf ==========
order hosts,bind
================ ifconfig -a ===============
__tmp715096110 Link encap:Ethernet HWaddr 00:16:17:57:66:54
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:19 Base address:0xe000

eth1 Link encap:Ethernet HWaddr 00:A0:CC:21:B8:91
inet addr:192.168.1.132 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::2a0:ccff:fe21:b891/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:229 errors:1 dropped:0 overruns:0 frame:0
TX packets:369 errors:7 dropped:0 overruns:0 carrier:7
collisions:0 txqueuelen:1000
RX bytes:18515 (18.0 KiB) TX bytes:35938 (35.0 KiB)
Interrupt:19 Base address:0xe000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:11803 errors:0 dropped:0 overruns:0 frame:0
TX packets:11803 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:23784636 (22.6 MiB) TX bytes:23784636 (22.6 MiB)

============== route -n =================
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth1
======== cat /etc/sysconfig/network ==========
NETWORKING=yes
HOSTNAME=fedora.home.invalid
============== head -15 /etc/hosts ===============
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
192.168.1.132 fc7.home.invalid fc7
::1 localhost6.localdomain6 localhost6
======== dmesg | grep eth0 ==========
eth0: Lite-On 82c168 PNIC rev 32 at MMIO 0xfdcff000, 00:A0:CC:21:B8:91, IRQ 19.
======== mii-tool -v eth1 ==========
eth1: no autonegotiation, 100baseTx-FD, link ok
product info: vendor 00:c0:b4, model 0 rev 8
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
======== dmesg | grep eth1 ==========
eth1: RealTek RTL8139 at 0xf88ce000, 00:16:17:57:66:54, IRQ 19
eth1: Identified 8139 chip type 'RTL-8100B/8139D'
eth1: Setting full-duplex based on MII#1 link partner capability of 05e1.
eth1: no IPv6 routers present
======== cat /etc/sysconfig/network-scripts/ifcfg-eth1 ==========
# Lite-On Communications Inc LNE100TX
DEVICE=eth1
ONBOOT=yes
BOOTPROTO=none
HWADDR=00:a0:cc:21:b8:91
TYPE=Ethernet
NETMASK=255.255.255.0
IPADDR=192.168.1.132
GATEWAY=192.168.1.1
USERCTL=no
IPV6INIT=no
PEERDNS=yes
======== dmesg | grep eth2 ==========
======= grep eth0 /var/log/messages | tail -10 =========
Oct 30 23:49:39 fedora avahi-daemon[2664]: Registering new address record for 192.168.2.113 on eth0.IPv4.
Oct 30 23:58:42 fedora system-config-network[3713]: -+ //etc/modprobe.conf eth0 alias 8139too
Oct 30 23:58:43 fedora system-config-network[3713]: chmod 0644 //etc/sysconfig/networking/devices/ifcfg-eth0
Oct 30 23:58:43 fedora system-config-network[3713]: rm //etc/sysconfig/network-scripts//ifcfg-eth0
Oct 30 23:58:43 fedora system-config-network[3713]: rm //etc/sysconfig/networking/profiles/default/ifcfg-eth0
Oct 31 00:01:03 fedora system-config-network[3713]: -+ //etc/modprobe.conf eth0 alias 8139too
Oct 31 00:01:03 fedora system-config-network[3713]: rm //etc/sysconfig/networking/devices/ifcfg-eth0
Oct 31 00:03:04 fedora system-config-network[3713]: -+ //etc/modprobe.conf eth0 alias 8139too
Oct 31 00:04:35 fedora avahi-daemon[2664]: Leaving mDNS multicast group on interface eth0.IPv4 with address 192.168.2.113.
Oct 31 00:06:12 fedora kernel: eth0: Lite-On 82c168 PNIC rev 32 at MMIO 0xfdcff000, 00:A0:CC:21:B8:91, IRQ 19.
======== grep -v '^#' /etc/hosts.allow ==========

======== grep -v '^#' /etc/hosts.deny ==========

======= end of config/network data dump ===========
.

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