AIX (Advanced Interactive eXecutive, pronounced "a i ex") is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.

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How different is I/O handling of hard disk in AIX and Redhat Linux?

I am running a hadoop I/O workload in redhat linux and have ran that in IBM AIX as well with same underlying hardware, disk and disk configuration. With the default settings on the os redhat linux is ...
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432 views

why cannot read /dev/console after reboot AIX

I use < /dev/console when running Micro-Focus cobol programs in background cron jobs instead of < /dev/null because then we don't get an warning about the input file not supporting ioctl. The ...
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357 views

AIX why does ps display the process name between square brackets? [duplicate]

On AIX 7 I have a process whose name appears between square brackets in the ps output: PID TTY TIME CMD 7798784 pts/2 0:00 [myproc] 9044154 pts/2 0:00 ps 10485770 pts/2 0:00 ...
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225 views

AIX auditing for LDAP users

I've discovered a problem with the way AIX uses auditclasses to determine which system calls are audited. If a user is defined in LDAP, their auditclasses attribute is blank. I found an APAR which ...
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840 views

How to disable live shell session command history under AIX 5-6?

It's okay that there are history files logging the commands that has been used. That't not the problem. The problem is that when 2 admins are logged in to an AIX server then it could be bad: If ...
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560 views

AIX multihomed multicast

On my AIX machine if I run netstat -ia I get: Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll en0 1500 link#2 1e.18.1.1e.78.2 385229 0 1091655 0 0 ...
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695 views

Which AIX command's output is this?

Disk Path P Location adapter LUN SN Type Size LSS Vol Rank C/A S Connection port RaidMode ------- ----- - ----------- ------ ----------- ...
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How to open compressed file in less mode [duplicate]

How do I open a compressed file in less mode. I am able to grep using zgrep and using zcatI can open, but the file is big I want to open in less mode.
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27 views

Is there a way to comment more than one entry at a time in cron?

I know the standard way to disable a task in cron is to comment the line with the task using the # sign in front of it, as with most Unix config files or shell scripts. e.g.: 53 23 * * * ...
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2answers
162 views

Why awk does not show the correct record length?

I'm concerned regarding what awk shows as the record length. I'm checking some files for a specific record length - awk shows the result I wanted, but the file size shows that each record in the file ...
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9k views

How to create a volume group, logical volume and a file system on AIX?

I'm getting some difficulties to create a file system on an AIX server. In Linux the task is easy and takes four commands, but I cannot figure out how to do it in AIX. On Linux I'd do the following: ...
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620 views

Missed get command of FTP

I am using AIX 7.1. I made some shell scripts8 and called /bin/bsh. Inside the script, I connect to a server via FTP and have many get commands because I would like to avoid the wildcard problem. I ...
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70 views

File transfer from AIX to Windows - CR and LF issues (Control Characters)

I have an issue transferring files between Unix(AIX) and Windows. I use the following mount command to mount a Windows folder on Unix. mount -v cifs -n /admin/@dmin -o ...
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3k views

Clear file system cache on AIX

I'm using AIX 6.1 and for testing. I want to clear the file system cache. Something similar a this on linux : echo 2 > /proc/sys/vm/drop_caches Is this possible?
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493 views

Vi editor behaving randomly while editing

When I open a PuTTY session in full screen I can't scroll down and up properly with the down arrow key. It seem to move down the screen and gets stuck somewhere in the middle. When I open PuTTY in ...
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1answer
151 views

Gnu Screen and vi - visualization issues

The scenario is as follows: gnu screen launched onto a scientific Linux distro ssh to an aix machine tried to edit a file with vi And this is what I got: "ex: 0602-108 screen is not a ...
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32k views

How to check that a user/password is expired in AIX?

I can check that the user is expired or not with: lsuser -f USERNAME | fgrep expires But how can I check that the user's password is expired or not? Are there any other "expiring" things that can ...
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4answers
43 views

tabs in variable not working

I have this lines that i will insert in a mail called "header". header=" ------------------------------------- Name\tAge\tGender\tAddress ------------------------------------- " Unfortunately, the ...
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31 views

How to skip email notification for at command in AIX?

(AIX 6.1 ) man page for at says -m option could send an email to the user. But this is the default behavior, even without specifying the -m option. Is there a way to turn this off, I do not want mails ...
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53 views

How to check whether my AIX is PPC OR PPC64?

My AIX machine is currently running on 6.1 OS. I would like to know whether it is on PPC OR PPC64, Is there any command other than arch which gives the information about PPC ?
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43 views

What is the meaning of “${name##*/}” in Shell [duplicate]

I have a code as while read name; do uuencode "$name" "${name##*/}"; done but I do not understand what is meaning of ##*/ in "${name##*/}" Google doesn't give good results. Can someone please ...
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49 views

using linux shared library on AIX

Is there a way to use a linux shared library(.so) on AIX? I don't have source code of the library.
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677 views

Occasional error from bash on AIX: Interrupted system call

I am experiencing problems with process substitution in bash on AIX It happens very rarely, apparently only when the server is loaded. An example error message is: line 9: /tmp//sh-np-7841523: ...
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13k views

CPU usage monitoring in AIX servers

In order to monitor the CPU usage in an AIX server I'm using the following script that is executed every 10 mins. lparstat 2 10 > cpu usage=$(tail -10 cpu | awk 'BEGIN {sum=0;} {sum+=$4} END{print ...
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68 views

what does “serial=${serial##*.}” do? [duplicate]

Possible Duplicate: How do ${0##/} and ${0%/} work? 0:root@SERVER:/ # 0:root@SERVER:/ # serial=$(lscfg -vl hdisk1 | awk '/Serial Number/') 0:root@SERVER:/ # echo $serial ...
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38 views

filtering files from search

I have some files containing date and timestamp which I want to exclude from the output of ls as in: test.log.15-05-25_20:41:05.20150611 test.log.15-05-27_20:28:32.20150611 ...
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22 views

assistance with scripting list of users

I'm new to scripting, so far I've created this: #!/bin/sh ( echo List of users in PRD echo $(date) cat /etc/passwd | awk -F: '{print $1,$3,$5}' | sort | \ while read username uid gecos do echo ...
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AIX: mptconfig equivalent

On hpux i use mptconfig to show speed and other info about scsi controller. There is something similar on aix?
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133 views

Cannot install Sybase ASE on IBM AIX as root

I have a weird problem where I cannot install a Sybase DB server as root on an AIX virtual machine. I'm logged in as root and launching the installer as such: bash-4.2# ./setup.bin -i console ...
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83 views

Subversion Client for AIX

I am looking for Subversion Client that I can install on AIX 7.1 TL 3. All I need is just a light weight client so that I can checkout and checkin code. I do not want the whole subversion server. ...
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284 views

Why does this command not work on AIX?

I want to remove UTF-8 BOM from a file using this command: sed '1 s/\xEF\xBB\xBF//' old.java > tmp.java But it did not work. I am running with ksh on AIX 7.1
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875 views

aix ksh start weblogic server without nohup.out and return to underlying script

I am writing a ksh script, in which I want to start weblogic server in background and return to underlying script immediately(continue to execute the script) like this: nohup ...
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1k views

How to map Unix Directories to Windows Server

I have a Windows Server 2008 R2 machine and an AIX 6.1 server. Now I would like to map 2 AIX folders to Windows for an application to access - The application on Windows is IBM Connect:Direct and ...
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42 views

Help on editing a script using grep and sed

First I'm new to unix so excuse my simple question, also be aware that I work on AIX. I have a lot of sql files that contains the following string: ${DB_USERNAME}.${TABLE_NAME} Can anyone please ...
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1answer
531 views

sar -P ALL command AIX 6.1

What is the meaning of - in the cpu column below? Is it average of all CPU cores? bash-3.00$ sar -P ALL 2 2 AIX tinapp1 1 6 00F6F78B4C00 11/27/13 System configuration: lcpu=4 mode=Capped 19:02:54 ...
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3k views

copy logical volume from one volume group to another

I want to copy a logical volume from one volume group to another on AIX. How can I do this? Is copyvg the right command?
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How to check hcheck_interval value of a SAN disk

http://aix4admins.blogspot.co.uk/2012/05/kdb-kdb-kernel-debugger-and-kdb-command.html Question: The URL writes about local disks. But How can I check it for SAN disks? Using AIX 6. This setting ...
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44 views

Mailx -E flag fails

I am using mailx command with -E flag.This is what it says in man page for linux. -E If an outgoing message does not contain any text in its first or only message part, do not send ...
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50 views

Uninstall Hitachi.aix.support.rte when disk is booted over SAN

I have a server which boots of SAN and recently the storage migrated to Hitachi VSP. Earlier it was having PowerPath along with Hitachi.aix.support.rte to detect the Hitachi disks. Now we wanted to ...
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40 views

CDE and AIX nothing work

On other unix systems,simply set "dtsession" on .xstartup file of vnc start the cde session. On aix i have this problem when i start the session,appear only an error message The DT messaging system ...
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37 views

Show AIX operator panel status

Is possible to see codes on the operator panel of P5 IBM workstation from console?
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32 views

X11 oddness - Installer shows squares instead of text. Font issue?

Using X11 and launching of X applications generally works (using xming). However when launching websphere installation (IBMIM) the resulting gui interfaces shows squares instead of letters. Have ...
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24 views

Boot to non bootable disk using Openfirmware

I tried to virtualize (VIOS partition) Debian 7.8 on IBM 9133-55A (powerpc) server. For some reason both yaboot and grub failed to install on the virtual hard disk. Now I want to start the kernel ...
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27 views

How to set timeout for piojetd backend on AIX?

Question: If we are not using rembak for print queue backend, rather piojetd, how can we set timeout for it?
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123 views

Where is NMon cron job for AIX?

While trying to know where is NMon job configured to run; I do find that it's NOT listed on Crontab (using crontab -l). BUT - the job is currently running as expected, which is weird. See the ...
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61 views

How can I restrict incoming emails to AIX server?

How can we restrict all the incoming email traffic on to AIX LPAR? I can send emails from my root/user account to myself/my team. I would like to secure AIX LPAR. So for that, I do not want AIX LPAR ...
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88 views

Subversion for Unix (AIX 6.1)

I am looking for a package to set up centralized server for subversion in unix AIX 6.1. and also can some one also help in the steps for installing the same. i have been chasing down for the right ...
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156 views

AIX: List all ports in /etc/security/login.cfg

As discussed in AIX 7.1 Files Reference, the login.cfg file contains two types of stanzas: port: Defines the login characteristics of ports. user configuration: Defines programs that change user ...
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1k views

Installing TOMCAT on AIX 7.1

After installing a lot of packages I finally got ./configure to work, just to get a horrible message Host support:- checking C flags dependant on host system type... failed configure: error: ...
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472 views

Mounting LUN in AIX

I have LUN created and added to AIX, I know this because once I created the LUN and the name I gave in the IBM storage is displayed and also I used the following commands chdev -l hdisk7 -a pv=yes ...