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Re: DNS not working in VE [message #4529 is a reply to message #4522]

Thu, 13 July 2006 13:35

jchamilton
Messages: 8
Registered: July 2006

Junior Member

Didn't work - here's what I did:

Added the rules by copy/paste
# service iptables save
# service vz stop
# service iptables restart
# service vz start
# vzctl start 101
# vzctl enter 101

Then from the VE:

entered into VPS 101
-bash-3.00# ping www.google.com
ping: unknown host www.google.com

With strace:

execve("/bin/ping", ["ping", "www.google.com"], [/* 16 vars */]) = 0
uname({sys="Linux", node="vps101.corp.xxxxx.com", ...}) = 0
brk(0)                                  = 0x8001c000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=18909, ...}) = 0
old_mmap(NULL, 18909, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40017000
close(3)                                = 0
open("/lib/libresolv.so.2", O_RDONLY)   = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360#\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=77740, ...}) = 0
old_mmap(NULL, 75944, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x4001c000
old_mmap(0x4002b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0x4002b000
old_mmap(0x4002d000, 6312, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x4002d000
close(3)                                = 0
open("/lib/tls/libc.so.6", O_RDONLY)    = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20O\1\000"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1451450, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4002f000
old_mmap(NULL, 1219772, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x40030000
old_mmap(0x40154000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x124000) = 0x40154000
old_mmap(0x40158000, 7356, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40158000
close(3)                                = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x4015a000
mprotect(0x40154000, 4096, PROT_READ)   = 0
mprotect(0x40015000, 4096, PROT_READ)   = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0x4015a6c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0x40017000, 18909)               = 0
socket(PF_INET, SOCK_RAW, IPPROTO_ICMP) = 3
getuid32()                              = 0
setuid32(0)                             = 0
brk(0)                                  = 0x8001c000
brk(0x8003d000)                         = 0x8003d000
gettimeofday({1152796486, 371270}, NULL) = 0
getpid()                                = 7922
open("/etc/resolv.conf", O_RDONLY)      = 4
fstat64(4, {st_mode=S_IFREG|0644, st_size=23, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
read(4, "nameserver 10.79.32.60\n", 4096) = 23
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x40017000, 4096)                = 0
uname({sys="Linux", node="vps101.corp.xxxxx.com", ...}) = 0
socket(PF_FILE, SOCK_STREAM, 0)         = 4
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
connect(4, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
socket(PF_FILE, SOCK_STREAM, 0)         = 4
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
connect(4, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
open("/etc/nsswitch.conf", O_RDONLY)    = 4
fstat64(4, {st_mode=S_IFREG|0644, st_size=1623, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
read(4, "#\n# /etc/nsswitch.conf\n#\n# An ex"..., 4096) = 1623
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x40017000, 4096)                = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
fstat64(4, {st_mode=S_IFREG|0644, st_size=18909, ...}) = 0
old_mmap(NULL, 18909, PROT_READ, MAP_PRIVATE, 4, 0) = 0x40017000
close(4)                                = 0
open("/lib/libnss_files.so.2", O_RDONLY) = 4
read(4, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\33\0"..., 512) = 512
fstat64(4, {st_mode=S_IFREG|0755, st_size=45889, ...}) = 0
old_mmap(NULL, 41608, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x4015b000
old_mmap(0x40164000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x8000) = 0x40164000
close(4)                                = 0
munmap(0x40017000, 18909)               = 0
open("/etc/host.conf", O_RDONLY)        = 4
fstat64(4, {st_mode=S_IFREG|0644, st_size=17, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
read(4, "order hosts,bind\n", 4096)     = 17
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x40017000, 4096)                = 0
open("/etc/hosts", O_RDONLY)            = 4
fcntl64(4, F_GETFD)                     = 0
fcntl64(4, F_SETFD, FD_CLOEXEC)         = 0
fstat64(4, {st_mode=S_IFREG|0644, st_size=73, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
read(4, "127.0.0.1  vps101.corp.xxxxx.co"..., 4096) = 73
read(4, "", 4096)                       = 0
close(4)                                = 0
munmap(0x40017000, 4096)                = 0
open("/etc/ld.so.cache", O_RDONLY)      = 4
fstat64(4, {st_mode=S_IFREG|0644, st_size=18909, ...}) = 0
old_mmap(NULL, 18909, PROT_READ, MAP_PRIVATE, 4, 0) = 0x40017000
close(4)                                = 0
open("/lib/libnss_dns.so.2", O_RDONLY)  = 4
read(4, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\r\0"..., 512) = 512
fstat64(4, {st_mode=S_IFREG|0755, st_size=21280, ...}) = 0
old_mmap(NULL, 20612, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x40166000
old_mmap(0x4016a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x3000) = 0x4016a000
close(4)                                = 0
munmap(0x40017000, 18909)               = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.79.32.60")}, 28) = 0
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
gettimeofday({1152796486, 377655}, NULL) = 0
poll([{fd=4, events=POLLOUT, revents=POLLOUT}], 1, 0) = 1
send(4, "\363\362\1\0\0\1\0\0\0\0\0\0\3www\6google\3com\0\0\1\0"..., 32, 0) = 32
poll([{fd=4, events=POLLIN, revents=POLLERR}], 1, 5000) = 1
close(4)                                = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.79.32.60")}, 28) = 0
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
gettimeofday({1152796486, 378628}, NULL) = 0
poll([{fd=4, events=POLLOUT, revents=POLLOUT}], 1, 0) = 1
send(4, "\363\362\1\0\0\1\0\0\0\0\0\0\3www\6google\3com\0\0\1\0"..., 32, 0) = 32
poll([{fd=4, events=POLLIN, revents=POLLERR}], 1, 5000) = 1
close(4)                                = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.79.32.60")}, 28) = 0
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
gettimeofday({1152796486, 379496}, NULL) = 0
poll([{fd=4, events=POLLOUT, revents=POLLOUT}], 1, 0) = 1
send(4, "L_\1\0\0\1\0\0\0\0\0\0\3www\6google\3com\4corp"..., 48, 0) = 48
poll([{fd=4, events=POLLIN, revents=POLLERR}], 1, 5000) = 1
close(4)                                = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.79.32.60")}, 28) = 0
fcntl64(4, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(4, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
gettimeofday({1152796486, 380237}, NULL) = 0
poll([{fd=4, events=POLLOUT, revents=POLLOUT}], 1, 0) = 1
send(4, "L_\1\0\0\1\0\0\0\0\0\0\3www\6google\3com\4corp"..., 48, 0) = 48
poll([{fd=4, events=POLLIN, revents=POLLERR}], 1, 5000) = 1
close(4)                                = 0
write(2, "ping: unknown host www.google.co"..., 34ping: unknown host www.google.com
) = 34
exit_group(2)                           = ?
Process 7922 detached

I also uninstalled the only package I've installed since I installed OpenVZ with the same results...

jch

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[Message index]

		FIXED DNS not working in VE By: jchamilton on Wed, 12 July 2006 21:51
		Re: DNS not working in VE By: dim on Thu, 13 July 2006 08:13
		Re: DNS not working in VE By: jchamilton on Thu, 13 July 2006 13:35
		Re: DNS not working in VE By: jchamilton on Thu, 13 July 2006 14:19

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