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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Perl fails to set locale on AIX 7.1

After setting user language to Chinese with GB18030 encoding in SMIT, the following env variable were added to the user's .profile: LANG=Zh_CN LC_MESSAGE=%l.%c ...
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426 views

How do you track memory usage in a ksh93 script

We have a number of ksh scripts that run forever (inside a while loop), or at least until a shutdown event is delivered to them. We had a project where these scripts where converted to ksh93 (and ...
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General problem solving steps when print jobs hang in AIX?

What should I do if jobs are getting stuck in the print queue even after restarting spooling? $ stopsrc -g spooler $ startsrc -g spooler $ lpstat -oQUEUENAME | wc -l; sleep 30; lpstat -oQUEUENAME | ...
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302 views

What to check in AIX bootlist?

It's OK that we can list the bootlist with: 2:root@server:/tmp/foo # bootlist -m normal -o hdisk0 blv=hd5 pathid=0 hdisk4 blv=hd5 pathid=1 hdisk0 blv=hd5 pathid=1 hdisk4 blv=hd5 pathid=2 hdisk0 ...
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104 views

Handle compress command error messages on AIX

I am working on production issue and unable to reproduce error message for compress command. Current Solution We have case-esac block in shell wrapper that handles messages as follows; case "$MSG" ...
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185 views

Start a service at boot and automatically respawn it if it dies under AIX

I'm trying to write a script that can set a service to: automatically restart after killed automatically start during boot up I can do this by using /etc/inittab but some of the AIX server ...
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56 views

What is making “at” in AIX add a “cd /some/path/here” prior to my explicit commands?

When I execute the following command: cd /some/path/here at -t 201409301100 ls -al <CTRL-D> at -lov I get the following output: ======================== myusername.1411755840.a Mon Sep 30 ...
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230 views

Process status on AIX

I want to get process status on AIX like we get it on Linux from /proc/<PID>/stat, I did not find the status in /proc/<PID>/status file. There was some encrypted text there. Which file ...
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41 views

IPCS command for Shared memory and semaphore in Solaris, HP-UX and AIX

I know ipcs command for linux system, but now I'm looking for ipcs command for solaris, hp-ux and aix system, I have searched lot in websites, almost everyone suggest ipcs -am, ipcs -as or ipcs -a. ...
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19 views

How to show AIX bridge settings

While Linux has "brctl show" command, I cannot find any similar for AIX. Question: How can we show AIX bridge settings?
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35 views

PS1 variable inheritance between scripts and programs using bash in AIX

How to ensure that PS1 variable in AIX bash is inherited between cross calling of scripts and programs ? Suppose a program that give to the user a shell instance like the shell command of vi. This is ...
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33 views

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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51 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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33 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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146 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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193 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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584 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 ...
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55 views

Trying to change GID on AIX server

I am trying to change GID on Unix server "AIX". I want to change mygroupname:!:79002: from group GID from 79002 to 79003. I have permission to use sudo /usr/bin/chgroup. I have tried everything, ...
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320 views

Patching Process in AIX

I am new to the world of AIX and I am pretty unsure on how the patching process goes about. I just joined a new company and they are using AIX as their preferred OS (actually due to having all IBM ...
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275 views

No virtual memory (-v) item in output of ulimit -a

When I run command ulimit -a, I see no virtual memory item in the list of output of the command. It is unlimited for some user IDs though. Does that mean I am assigned no virtual memory?
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250 views

Is there an equivalent of addr2line on AIX system?

I'd like to debug proftpd on AIX and according to the documentation, addr2line is a usefull binary to identify what is not working. Extract of proftpd debugging documentation: The key here for ...
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196 views

SSH always refuses first connection attempt

There's an AIX box where I work and so I've not got any root access to it. When I connect to it using telnet I can get on fine. When I connect to it using SSH if I put in my correct password on the ...
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243 views

AIX NIM Master replicate / sync fails to an Alternate Master

I am getting a error when I try to replicate / sync my NIM database and resources to an Alternate NIM Master newly created in my environment: error replicating resources: unable to ...
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174 views

AIX install Mercurial no root

Is is possible to install Mercurial on AIX system without root? I'm an ordinary user of our colleges IBM cluster and in there I fond no version control software. Could you show a brief guide of how ...
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365 views

VMO Changes After Adding New RAM To AIX?

We have a server at a client site running AIX 5.3, which we just up the RAM to 32GB, from initially 16GB (if I'm not mistaken). This server is our Application server running J2EE applications on top ...
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Cleanup old /dev/pts files?

My company has a policy that sweeps all files on our AIX servers to see if any are world writeable. They are upset because there are some files in /dev/pts (a few with me as owner) that are world ...
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569 views

Validate Password for user account from shell script

Application is for a multiple server standardization script Looking for a way in a shell script to check if the password for an OS account (AIX) matches a standardized plain text password. The ...
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592 views

Enabling multicast communication between 2 AIX JVM processes

I'm having trouble with multicast distribution on a single AIX machine between two JVM processes. Think ehcache or jgroups. In order to enable on Mac OS X: route add -net 224.0.0.0 -interface lo0 ...
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38 views

Autocomplete not working on mounted directory in AIX 6

I have a Linux server (linux_server) which acts as NIS. There are two directories that are exported: /netdata and /nethome, which contains several users' folder and folders/files specific to users. ...
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40 views

Installing Graphviz & Dependencies without Internet access

I am trying to install graphviz on AIX7.1 - I have NO internet access and I have downloaded a lot of rpm files. I want to know is there a way to install the graphviz-*.ppc.rpm packages so that the ...
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55 views

How to investigate TCP, domain socket and similar activity of a process in AIX

I have to collect as much information as possible about a running production system under AIX 5.3. This must not cause any downtime and I may not install any additional software. The final goal is to ...
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44 views

X11 forwarding to IP doesn't work on some servers. I can't find any config differences

This command allows me to send an xterm to xming on my windows desktop: xterm -display 10.13.18.125:0 (my workstation IP) For the servers that it doesn't work with the IP, It will work for some ...
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129 views

rm: Directory resources is not empty

I'm getting this kind of error when i'm deleting file on my AIX machine. Getting same error for rmdir. venky-19:[/hm/dev/application/backup/ear/] # rm -rf resources rm: Directory ...
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83 views

Text User Interface

I have been working on a shell script, and was wondering if I can put up a text user interface for the shell script. After some searching, I see few people suggest using "ncurses/curses". However the ...
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79 views

sed stdin behaviour

Using sed for a direct stdin treatment of data, I expect that a line is treated after the enter. This is what happens when I test on CygWin or Linux but on my AIX, a second new line is needed to treat ...
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AIX cluster show swing filesystems

I am working on applications on an AIX 6.1 two-node cluster, with an active and passive node. Is there a command that will show me which mount points / file systems are shared and 'swing' from one ...
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202 views

AIX OS fileset with status Broken

Does someone encounter this error in AIX version 7.1 TL3? root@TEST:/ # lppchk -v the result is: lppchk: A parsing error occured for bos.sysmgt.quota 7.1.3.0 on line 1, column 23. ...
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497 views

IBM AIX: How do I set up SSH X forwarding on an unprivileged user with no home?

Long story short: I have an AIX server where my user is unprivileged and has no home directory, and it is not easy to fix this because OS-level management of this server is outside of my jurisdiction. ...
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242 views

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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455 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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237 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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568 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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42 views

How to set mail subject using variable and ensure attachment is not included in email body

I have the following shell script fragment. var_name='ZZPCI' for emailadd in `cat /tmp/email_list.tmp` do subject_text="Subject with Var Name "$var_name subj_text_novar="Subject without Var ...
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44 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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76 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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94 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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173 views

File to access for CPU load average on AIX

Is there a file with the load average in it on AIX? I'm looking for something like Linux's /proc/loadavg.
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103 views

AIX equivalent of Solaris' iostat -E

On Solaris you can use the command iostat -En to view "disk error statistics" as counted by the kernel since the last reboot, where the -n option causes iostat to show "nice" device names. I'm ...
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35 views

Invalid mail alert

When I log in to Unix, I get new mail alert: [YOU HAVE NEW MAIL] I checked my mail and I don't have any: $ mail Mail [5.2 UCB] [AIX 5.X] Type ? for help. "/var/spool/mail/userId": 0 messages No ...
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279 views

AiX topas snapshot to web

My script for taking snapshot from TOPAS looks like this: #!/usr/bin/bash whoami export TERM="xterm" (sleep 3; echo q)| topas -Emi 2 | \ tr -d '\r' | \ ...