Received disconnect from host: 2: Too many authentication failures for username

root@linux:~ # ssh emerson@10.32.36.45
Received disconnect from 10.32.36.45: 2: Too many authentication failures for emerson

The problem was that my server 10.32.36.45 tried to authenticate using a method and then gave up.

To fix it, edit file /etc/ssh/sshd_config and increase MaxAuthTries. On my server was just trying 1 time.

root@linux:~ # vi /etc/ssh/sshd_config
#MaxAuthTries 1

You can try to not use ssh keys to login but I commented the parameter to restore the default value and restarted the sshd service

root@linux:~ # service sshd restart
Stopping sshd: [ OK ]
Starting sshd: [ OK ]

Does my Mad Catz Tournament Edition Arcade Stick for PS3 works on PC / PS4 / Street Fighter 5?

Your Mad Catz Tournament Edition Arcade Stick for PS3 will work as a DirectInput device on your PC.

DirectInput was the standard for PC controllers before XInput made available for both the Xbox 360 and Windows XP with Service Pack 1 (SP1) and later, and Windows Vista. XInput is the new API where your controller is recognized as a Xbox 360 controller.

Most new games will expect a Xbox 360 controller. You can use “Xbox 360 Controller Emulator” that will allow your controller (gamepad, joystick, wheel, etc.) to function as an Xbox 360 controller.

You can also install Motion in Joy drivers with the Better DS3

Your Mad Catz Tournament Edition Arcade Stick for PS3 will be recognized as a PS3 controller on the PS4, so it won’t work. PS3 sticks by default are not compatible with PS4. The game developers need to enable it.

LabZero developed a custom driver that allowed any stick that reads as a generic USB gamepad or joystick would work with the PS4 version of its fighting game Skullgirls Encore. Capcom used that driver to make PS3 arcade sticks compatible with Ultra Street Fighter IV.

How to get your PS3 stick to work for USF4 on PS4: Follow these steps released by Capcom, similar to Mortal Kombat X

Street Fighter V for PS4 is not released yet so nothing confirmed. Capcom Still Evaluating Legacy Controller Support for Street Fighter V

Update: Capcom confirms Street Fighter V will support PS3 arcade sticks Street Fighter V Day One Update Adds Legacy Controller Support, Alex Coming in March

systool – Query information about Fibre Channel HBA card on a Linux server

To query information about Fibre Channel HBA cards, use systool

root@linux:~ # which systool
/usr/bin/systool

Install the package sysfsutils using yum install systool if you have a Red Hat based distribution

root@linux:~ # rpm -qf /usr/bin/systool
sysfsutils-2.1.0-7.el6.x86_64

root@linux:~ # rpm -qi sysfsutils
Name : sysfsutils Relocations: (not relocatable)
Version : 2.1.0 Vendor: Red Hat, Inc.
Release : 7.el6 Build Date: Thu 20 Sep 2012 10:11:43 AM BRT
Install Date: Fri 23 May 2014 12:17:31 PM BRT Build Host: x86-012.build.bos.redhat.com
Group : Development/Tools Source RPM: sysfsutils-2.1.0-7.el6.src.rpm
Size : 117100 License: GPLv2
Signature : RSA/8, Fri 09 Nov 2012 09:27:58 AM BRST, Key ID 199e2f91fd431d51
Packager : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla&gt;
URL : http://sourceforge.net/projects/linux-diag/
Summary : Utilities for interfacing with sysfs
Description :
This package’s purpose is to provide a set of utilities for interfacing
with sysfs.

root@linux:~ # cat /etc/*release
LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Red Hat Enterprise Linux Server release 6.5 (Santiago)
Red Hat Enterprise Linux Server release 6.5 (Santiago)

UXMON MODULE got block

Node : solaris.setaoffice.com
Node Type : Sun SPARC (HTTPS)
Severity : warning
OM Server Time: 2015-12-12 23:27:48
Message : UXMON MODULE dfmon got block
Msg Group : OS
Application : uxmon
Object : uxmon
Event Type :
not_found

Instance Name :
not_found

Instruction : This message informs about a uxmon module that found an OS command
that get blocked. This cause that module not able to complete its task
and be pending forever.

Please check that module and why gets blocked.
For this purpose use manual module execution in debug mode:
/var/opt/OV/bin/instrumentation/UXMONbroker -d (case of HTTPS – OVO8 agent)
/var/opt/OV/bin/OpC/cmds/UXMONbroker -d (case of DCE – OVO7 agent)

If needed disable that specific module.

Please, inform the UX Admin or Technical Lead of this box about this situation

A module is running over 5 minutes (default). You may want to increase the timeout or research why the module is running over 5 minutes

root@solaris:/ # cp /var/opt/OV/bin/instrumentation/UXMONbroker.cfg /var/opt/OV/conf/OpC

root@solaris:/ # vi /var/opt/OV/conf/OpC/UXMONbroker.cfg
##########################
# TIMEOUT for OS commands. It will wait only those seconds, when this is timeout, it will trigger ‘got block’ alarm.
$UXMON_OS_TIMEOUT = 1800 ;

resize2fs: Filesystem has unsupported feature(s) while trying to open

Tried to use resize2fs on a logical volume after expanding it and gave the error that couldn’t find a valid filesystem superblock and filesystem has unsupported features.

root@linux:~ # resize2fs /dev/mapper/vg00-tmpvol
resize2fs 1.39 (29-May-2006)
resize2fs: Filesystem has unsupported feature(s) while trying to open /dev/mapper/vg00-tmpvol
Couldn’t find valid filesystem superblock.

Check if the filesystem is ext4

root@linux:~ # mount | grep tmpvol
/dev/mapper/vg00-tmpvol on /tmp type ext4 (rw)

Use ext4 version of the tools: tune4fs, resize4fs

Linux – command ls or df hangs on /

If you run ls or df -h, these commands will appear that hung

Check if you have NFS shares mounted

root@linux:~ # mount | grep nfs
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)
mdmMPC:/export/sapmnt/MPC on /sapmnt/MPC type nfs (rw,nfsvers=3,proto=tcp,noac,soft,sloppy,addr=10.106.10.118)
linuxnfs25:/oracle/HP0/sapdata1/DUMP on /dump type nfs (rw,addr=142.40.81.32)
nfshp0:/export/sapmnt/HP0/exe on /sapmnt/HP0/exe type nfs (rw,nfsvers=3,proto=udp,noac,soft,sloppy,addr=10.106.10.28)
nfshp0:/export/sapmnt/HP0/profile on /sapmnt/HP0/profile type nfs (rw,nfsvers=3,proto=udp,noac,soft,sloppy,addr=10.106.10.28)

I have this share that the server was turned off. So I tried to umount the share

root@linux:~ # umount /dump
umount.nfs: /dump: device is busy
umount.nfs: /dump: device is busy

And even forcing but no luck

root@linux:~ # umount -f /dump
umount2: Device or resource busy
umount.nfs: /dump: device is busy
umount2: Device or resource busy
umount.nfs: /dump: device is busy

umount with -l to do a lazy unmount

root@linux:~ # umount -l /dump
root@linux:~ # df -h /dump
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vgroot-lv_root
7.8G 818M 6.6G 11% /

ping Error: Destination Host Unreachable in a Linux VMware guest

Server was unable to find another server in the same network

root@linux:~ # ping -c1 10.32.17.68
PING 10.32.17.68 (10.32.17.68) 56(84) bytes of data.
From 10.106.4.138: icmp_seq=1 Destination Host Unreachable

— 10.32.17.68 ping statistics —
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms

When I ran traceroute it shows (H!)

root@linux:~ # traceroute 10.32.17.68
traceroute to 10.32.17.68 (10.32.17.68), 30 hops max, 40 byte packets using UDP
1 * * *
2 * * *
3 * * *
4 * * *
5 * * *
6 linux.bkp.setaoffice.com (10.106.4.138)(H!) 2983.660 ms (H!) 2982.519 ms (H!) 2981.394 ms

This server is a VMware guest. Check if your physical host doesn’t have a configuration that prevents the connection from working

root@linux:~ # dmidecode –type system
# dmidecode 2.9
SMBIOS 2.4 present.

Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: VMware, Inc.
Product Name: VMware Virtual Platform
Version: None
Serial Number: VMware-42 10 66 9e 4f bf f3 14-93 30 e0 66 8f 0c 14 7c
UUID: 4210669E-4FBF-F314-9330-E0668F0C147C
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Not Specified

Handle 0x0081, DMI type 15, 29 bytes
System Event Log
Area Length: 16 bytes
Header Start Offset: 0x0000
Header Length: 16 bytes
Data Start Offset: 0x0010
Access Method: General-purpose non-volatile data functions
Access Address: 0x0000
Status: Invalid, Full
Change Token: 0x00000036
Header Format: Type 1
Supported Log Type Descriptors: 3
Descriptor 1: POST error
Data Format 1: POST results bitmap
Descriptor 2: Single-bit ECC memory error
Data Format 2: Multiple-event
Descriptor 3: Multi-bit ECC memory error
Data Format 3: Multiple-event

Handle 0x0105, DMI type 23, 13 bytes
System Reset
Status: Enabled
Watchdog Timer: Present
Boot Option: Do Not Reboot
Boot Option On Limit: Do Not Reboot
Reset Count: Unknown
Reset Limit: Unknown
Timer Interval: Unknown
Timeout: Unknown

Handle 0x0108, DMI type 32, 20 bytes
System Boot Information
Status: No errors detected

HP Data Protector – [61:1002] The VBDA named “backuphost.setaoffice.com [/usr/software/ctmagent]” on host hpux.setaoffice.com reached its inactivity timeout of 28800 seconds.

[Major] From: BSM@backuphost.setaoffice.com “OS_FILES_GRP_BACKUPHOST_DAILY_1800_03_ESL” Time: 1/11/2016 7:11:54 AM
[61:1002] The VBDA named “backuphost.setaoffice.com [/usr/software/ctmagent]” on host hpux.setaoffice.com
reached its inactivity timeout of 28800 seconds.
The agent on host will be shutdown.

The error message says that Data Protector is not finishing before the timeout that was set.

Listing the files in the filesystem

ls -lR /usr/software/ctmagent

It is stopping in this directory

/usr/software/ctmagent/ctm/install/perl/5_8_4/lib/5.8.4/IA64.ARCHREV_0-thread-multi-LP64

HP DDMI exit: rc = 6

root@linux:~ # /opt/hps/inventory/bin/HPS_SCANNER_linux-x86 -log:debug

HP Discovery and Dependency Mapping Inventory v9.32.003 Build 1130 linux-x86
(C) Copyright 1993-2015 Hewlett-Packard Development Company, L.P.
Includes GNU ISO C++ Library, GNU GCC Shared Support Library and GNU C Library, Copyright (C) 1987-2008 Free Software Foundation, Inc. released under LGPL, see the file COPYING.LIB for license details.

+ reading scanner parameters
Debug: Scanner PID: 16496
Debug: Scanner Stage: Initialization
Debug: wxString OSCreateTempFileName(const wxString&): Creating temp file in /tmp.
Debug: CSingleInstanceChecker::CSingleInstanceChecker(const wxString&): successfully created temp file: sclEnLody
end of scan
Debug: Scanner Status: end of scan
exit: rc = 6
Debug: Scanner Status: exit: rc = 6
Debug: Scanner Exitcode: 6
Debug: Scanner Stage: Exit
Debug: void CScannerApp::RemoveFileNameFromDeleteList(const wxString&, bool): path: /tmp/edscan.lck, delete? no
Debug: void CScannerApp::RemoveFileNameFromDeleteList(const wxString&, bool): path: , delete? yes
Debug: Stop to update scanner status!

Stopping DDMI

root@linux:~ # /etc/init.d/lw_agt stop
Checking status of Light Weight Agent:
LW Agent Is Running 11245
Stopping LW AGT…pid 11245
LW AGT Stopped

Check any processes called HPS_Execute_DDMI and HPS_SCANNER. Terminate them

root@linux:~ # ps -ef | grep HPS_Execute_DDMI
root 29866 28462 0 10:32 pts/0 00:00:00 grep HPS_Execute_DDMI

root@linux:~ # ps -ef | grep HPS_SCANNER
root 15424 1 0 Jan10 ? 00:00:09 /opt/hps/inventory/bin/HPS_SCANNER_linux-x86 -p:/var/log/hps/inventory -cfg:/opt/hps/inventory/bin/ddmi-unix-sw.cxz -l:/opt/hps/inventory/temp/local.xsf
root 16608 1 0 2015 ? 00:00:09 /opt/hps/inventory/bin/HPS_SCANNER_linux-x86 -p:/var/log/hps/inventory -cfg:/opt/hps/inventory/bin/ddmi-unix-sw.cxz -l:/opt/hps/inventory/temp/local.xsf
root 29872 28462 0 10:32 pts/0 00:00:00 grep HPS_SCANNER
root@linux:~ # kill -9 16608
root@linux:~ # kill -9 15424

Remove the lock file and start the agent

root@linux:~ # rm /tmp/edscan.lck

root@linux:~ # /etc/init.d/lw_agt start
Starting LW AGT….
Checking status of Light Weight Agent:
LW Agent Is Running 29884

DMESG-UNCLASSIFIED: ia64dsk: The disk for dev_t bc4e0100 appears to have grown since the partition t

Node : hpux.setaoffice.com
Node Type : Itanium 64/32(HTTPS)
Severity : major
OM Server Time: 2016-01-02 21:07:51
Message : DMESG-UNCLASSIFIED: ia64dsk: The disk for dev_t bc4e0100 appears to have grown since the partition table was written.
Msg Group : OS
Application : HPUX_dmesg
Object : dmesg_UNCLASSIFIED
Event Type :
not_found

Instance Name :
not_found

Instruction : No

Checking which disks are alarming

root@hpux:~ # dmesg | grep ia64dsk
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc420100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.
ia64dsk: The disk for dev_t bc430100 appears to have grown since the partition table was written.

Checking system device

root@hpux:~ # ls -ltraR /dev | grep 420100
crw-r—– 1 bin sys 188 0x420100 Feb 12 2015 c66t0d1
brw-r—– 1 bin sys 31 0x420100 Feb 12 2015 c66t0d1

Checking hardware path

root@hpux:~ # ioscan -kfnC disk /dev/dsk/c66t0d1
Class I H/W Path Driver S/W State H/W Type Description
==================================================================
disk 48 0/2/1/1.10.234.64.0.0.1 sdisk CLAIMED DEVICE 3PARdataVV
/dev/dsk/c66t0d1 /dev/dsk/c66t0d1s2 /dev/rdsk/c66t0d1 /dev/rdsk/c66t0d1s2
/dev/dsk/c66t0d1s1 /dev/dsk/c66t0d1s3 /dev/rdsk/c66t0d1s1 /dev/rdsk/c66t0d1s3

root@hpux:~ # ioscan -m hwpath -H 0/2/1/1.10.234.64.0.0.1
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x9a
0/2/1/1.0x21230002ac001673.0x4001000000000000 0/2/1/1.10.218.65.0.0.1
0/2/1/1.10.234.64.0.0.1

root@hpux:~ # scsimgr -f replace_wwid -H 64000/0xfa00/0x9a
scsimgr: Successfully validated binding of LUN paths with new LUN.

root@hpux:~ # ls -ltraR /dev | grep 430100
crw-r—– 1 bin sys 188 0x430100 Feb 12 2015 c67t0d1
brw-r—– 1 bin sys 31 0x430100 Feb 12 2015 c67t0d1

root@hpux:~ # ioscan -kfnC disk /dev/dsk/c67t0d1
Class I H/W Path Driver S/W State H/W Type Description
==================================================================
disk 59 0/5/1/0.20.218.64.0.0.1 sdisk CLAIMED DEVICE 3PARdataVV
/dev/dsk/c67t0d1 /dev/dsk/c67t0d1s2 /dev/rdsk/c67t0d1 /dev/rdsk/c67t0d1s2
/dev/dsk/c67t0d1s1 /dev/dsk/c67t0d1s3 /dev/rdsk/c67t0d1s1 /dev/rdsk/c67t0d1s3

root@hpux:~ # ioscan -m hwpath -H 0/5/1/0.20.218.64.0.0.1
Lun H/W Path Lunpath H/W Path Legacy H/W Path
====================================================================
64000/0xfa00/0x9a
0/5/1/0.0x20240002ac001673.0x4001000000000000 0/5/1/0.20.218.64.0.0.1

root@hpux:~ # scsimgr -f replace_wwid -H 64000/0xfa00/0x9a
scsimgr: Successfully validated binding of LUN paths with new LUN.

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