By: Usdating

Usdating — Sun, 10 Jan 2010 17:22:56 +0000

I’ve made it to the end. Thanks for putting it together. Lots of things I didn’t know. BOOKMARKED!

By: David Wang

David Wang — Thu, 23 Jul 2009 21:50:15 +0000

if you wanted to add a username pwd, you could copy an existing /etc/passwd and /etc/shadow into your /etc dir

By: David Wang

David Wang — Thu, 23 Jul 2009 21:49:29 +0000

your dns isn’t resolving properly:

here is a sample resolv.conf:
search z-2.compute-1.internal
nameserver 172.16.0.23

By: weoyt

weoyt — Thu, 23 Jul 2009 19:58:22 +0000

maybe is a better idea to set username/password on the image….

but how?

By: weoyt

weoyt — Thu, 23 Jul 2009 19:56:03 +0000

Linux version 2.6.16-xenU (builder@xenbat.amazonsa) (gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)) #1 SMP Mon May 28 03:41:49 SAST 2007
BIOS-provided physical RAM map:
Xen: 0000000000000000 – 000000006a400000 (usable)
980MB HIGHMEM available.
727MB LOWMEM available.
NX (Execute Disable) protection: active
IRQ lockup detection disabled
Built 1 zonelists
Kernel command line: root=/dev/sda1 ro 4
Enabling fast FPU save and restore… done.
Enabling unmasked SIMD FPU exception support… done.
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 65536 bytes)
Xen reported: 2600.000 MHz processor.
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Software IO TLB disabled
vmalloc area: ee000000-f53fe000, maxmem 2d7fe000
Memory: 1718700k/1748992k available (1958k kernel code, 20948k reserved, 620k data, 144k init, 1003528k highmem)
Checking if this processor honours the WP bit even in supervisor mode… Ok.
Calibrating delay using timer specific routine.. 5201.58 BogoMIPS (lpj=26007900)
Mount-cache hash table entries: 512
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
Checking ‘hlt’ instruction… OK.
Brought up 1 CPUs
migration_cost=0
Grant table initialized
NET: Registered protocol family 16
Brought up 1 CPUs
xen_mem: Initialising balloon driver.
highmem bounce pool size: 64 pages
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
i8042.c: No controller found.
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
NET: Registered protocol family 2
Registering block device major 8
IP route cache hash table entries: 65536 (order: 6, 262144 bytes)
TCP established hash table entries: 262144 (order: 9, 2097152 bytes)
TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
TCP: Hash tables configured (established 262144 bind 65536)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
Using IPI No-Shortcut mode
md: Autodetecting RAID arrays.
md: autorun …
md: … autorun DONE.
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
VFS: Mounted root (ext3 filesystem) readonly.
Freeing unused kernel memory: 144k freed

***************************************************************
***************************************************************
** WARNING: Currently emulating unsupported memory accesses **
** in /lib/tls glibc libraries. The emulation is **
** slow. To ensure full performance you should **
** install a ‘xen-friendly’ (nosegneg) version of **
** the library, or disable tls support by executing **
** the following as root: **
** mv /lib/tls /lib/tls.disabled **
** Offending process: init (pid=1) **
***************************************************************
***************************************************************

Pausing… 5Pausing… 4Pausing… 3Pausing… 2Pausing… 1Continuing…
modprobe: FATAL: Could not load /lib/modules/2.6.16-xenU/modules.dep: No such file or directory
INIT: version 2.86 booting
Welcome to CentOS release 5.3 (Final)
Press ‘I’ to enter interactive startup.
modprobe: FATAL: Could not load /lib/modules/2.6.16-xenU/modules.dep: No such file or directory
Setting clock : Thu Jul 23 17:20:51 EDT 2009 [ OK ]
Starting udev: [ OK ]
Setting hostname localhost: [ OK ]
Checking filesystems
Checking all file systems.
[/sbin/fsck.ext3 (1) -- /mnt] fsck.ext3 -a /dev/sda2
ext2fs_check_if_mount: No such file or directory while determining whether /dev/sda2 is mounted.
/dev/sda2 has gone 279 days without being checked, check forced.
/dev/sda2: 11/19546112 files (9.1% non-contiguous), 661385/39088128 blocks
[ OK ]
Remounting root filesystem in read-write mode: [ OK ]
mount: can’t find / in /etc/fstab or /etc/mtab
Mounting local filesystems: [ OK ]
Enabling /etc/fstab swaps: [ OK ]
INIT: Entering runlevel: 4
Entering non-interactive startup
Checking for hardware changes [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:
Determining IP information for eth0… done.
[ OK ]
Starting system logger: [ OK ]
Starting kernel logger: [ OK ]
Starting system message bus: [ OK ]
Mounting other filesystems: [ OK ]
Generating SSH1 RSA host key: [ OK ]
Generating SSH2 RSA host key: [ OK ]
Generating SSH2 DSA host key: [ OK ]
Starting sshd: [ OK ]
Starting HAL daemon: [ OK ]
curl: (6) Couldn’t resolve host ‘âretry’
curl: (7) Failed to connect to 0.0.0.3: Invalid argument
curl: (6) Couldn’t resolve host ‘âretry-delay’
curl: (7) couldn’t connect to host
curl: (6) Couldn’t resolve host ‘âsilent’
curl: (6) Couldn’t resolve host ‘âfail’
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCSzU2K4Xv91mn0NA/S4MaFIYXQcchTnyEdXutc4EMth1CDWZjLxAAHYAXNM2nbiwKtG/pueg/FkYLIzW9D6FdxuXwh9XTu5kPWINm3thp2eC1PR77wqxoKGFhH84VcD++qAcers1YsWT/acknOEVlllpLKtyAnWNc4hwsypRzYzPms2r10UmkUj+4W/fotau64UsfZxVK2Kd4ZIBhLIEj82yIV4Bh4syJiAhanm2WEFyYqTfaExlywMC2P103cnwG8mg4So6hiy/T8XhqJfBGwxSpxbIy4vEYsaadEs+k+Z37gsTpoXVu7cVKXyoNzF2TvC4SGHFWykqHoRGbSpQeV id-jlguard
c
CentOS release 5.3 (Final)
Kernel 2.6.16-xenU on an i686
domU-12-31-39-02-F1-08 login: INIT: Id “2″ respawning too fast: disabled for 5 minutes
INIT: Id “3″ respawning too fast: disabled for 5 minutes
INIT: Id “4″ respawning too fast: disabled for 5 minutes
INIT: Id “5″ respawning too fast: disabled for 5 minutes
INIT: Id “6″ respawning too fast: disabled for 5 minutes

By: David Wang

David Wang — Wed, 22 Jul 2009 22:48:29 +0000

Make sure to read the comments above! Greg tweaked some of it. the chmod +x is important.

Also, take a look at the terminal output in aws console to figure out what’s going on.

By: weoyt

weoyt — Wed, 22 Jul 2009 20:19:28 +0000

ok i’m kidna lost…

i followed the procedure… and cerate a new keypair for this instance

ec2-add-keypair jlguard …

then; when launched i did

ec2-run-instances ami-ID -k id-jlguard

still asks me for the pasword

By: greg

greg — Fri, 26 Jun 2009 13:55:53 +0000

Ah thanks for the tip about checking the console. I had looked at it the first time but it was blank. It tTurns out that I just had to wait a little longer after startup for it to be populated.

From the console, I saw that it was going down to single user mode because the partitions in /etc/fstab weren’t found. I replaced my /etc/fstab with:

/dev/sda1 / ext3 user_xattr 0 1
shm /dev/shm tmpfs nodev,nosuid,noexec 0 0

..which made things work better.

Also, I did have to chmod +x /usr/local/sbin/get-credentials.sh

After doing that I could ping and connect to the server, but as soon as I did, ssh told me that I didn’t have access to /bin/bash.

I had created the vm image on a machine with selinux disabled, so I had to do the same on the image by setting SELINUX=disabled in /etc/selinux/config

Once I did that I was able to login successfully.

Thanks for the help and the great article.

By: David Wang

David Wang — Thu, 25 Jun 2009 10:57:38 +0000

it sounds like you may have some issues with your security settings. These are my current awsconsole security settings for my default group:
All icmp -1 -1 default group
All tcp 0 65535 default group
All udp 0 65535 default group
SSH tcp 22 22 0.0.0.0/0
HTTP tcp 80 80 0.0.0.0/0

Also check the console output. If you had a typo or something else that went wrong the console may shed more light on what the issue is.

By: greg

greg — Wed, 24 Jun 2009 19:50:26 +0000

I can’t ping the instance created by following the directions here.

Comments on: Creating a CentOS 5.3 Amazon AMI

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