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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Bash Named Pipe - Atomic Reading

I have set up one script to write to a named pipe, then four scripts to read the named pipe. For most of the entries, there are no problems, but when there is little processing to be done on the ...
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85 views

Linux compatibility layer for IBM AIX

Most software that runs on Linux can run on FreeBSD using an optional built-in compatibility layer. AIX is based on UNIX System V with BSD-compatible extensions. Is there a Linux compatibility layer ...
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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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273 views

Mailx with multiple uuencode attachments and body

I am sending multiple files using following line in my script find . -type f -name "Sum*pdf*"|while read name; do uuencode "$name" "${name##*/}"; done | mailx -s "North Bus Correction" $RECIP Now I ...
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143 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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224 views

AIX CPU usage - how to know how many CPUs running?

Over AIX 6.1 - I do see the following output, it says I have 16 Max Physical CPUs; but there are only 8 active - why is that? The system will use the remaining 8 if needed? Or are they disabled? # ...
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146 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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76 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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76 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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228 views

AIX memory consumption

Question: how can we report the REAL memory usage (without the cache!) using nmon or vmstat or svmon on AIX 6? nmon: vmstat: svmon: Like on Linux, we can use the free command, but it's not ...
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1answer
179 views

Determine the owner of the session of a process

I am trying to implement a way to determine which user is owner of some process's session, in a way that's as cross-platform as possible. In Linux I can trace the process's pty by following the link ...
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132 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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355 views

Find files older than x amount of time in specific directory with ignoring subdirectories

My setup is as following: folder structure dir |--correctfile1 |--correctfile2 |--correctfile3 |--subdir1 |--wrongfile1 |--wrongfile2 |--wrongfile3 |--subdir2 |--subdir3 I need to ...
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69 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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1answer
167 views

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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18 views

Why doesn “clpasswd” knows the “-R”?

There is a symbolic link: 2:root@SERVER:/root # ls -la /usr/bin/passwd lrwxrwxrwx 1 root system 39 Feb 3 2014 /usr/bin/passwd -> /usr/es/sbin/cluster/utilities/clpasswd ...
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94 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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3answers
1k views

CPU and Memory usage monitoring for a single process

I need to monitor the CPU and Memory usage for a single process in an AIX server. The program runs 3 times a day. I need to find the way to capture statistics within some time intervals, lets say ...
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20 views

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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150 views

AIX Memory Limits

I cannot find these numbers anywhere on the IBM Web site or even random blogs that Google finds. Questions What is the maximum physical memory size a POWER7 CPU supports? What is the maximum ...
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2answers
198 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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92 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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1answer
63 views

Must be in the same VG

I am trying to extend the fs like this, chfs -a size=+290G /Eq7_bakcup but getting this error, what am I doing wrong? mount: Log dev and fs dev must be in the same volume group
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168 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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2answers
3k views

Diagnose high swap usage on AIX

Which would be the best approach to diagnose high SWAP usage on an IBM AIX 6.3 machine? I've already tried with lsps -a and lslv. But also I'm looking for a strong scenario, like using topas. Any ...
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363 views

How do I configure the location for core dumps?

Recently I had an experience where a core dump was created in my home directory that resulted in the filesystem running out of space. How can I tell AIX to create core dumps in some other location?
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53 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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3answers
215 views

How Do I install DB2 Remotely?

I have been trying to install IBM DB2 10.5.0.1 on AIX 7.1.0.0 from a Windows 8-64bit using a Remote connection. It has been 3 days and I haven't been able to succeed; Here is a list of everything I've ...
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145 views

./a.out && echo $? only prints return value if return = 0

echo $? in the following scenario does not display the return value, i.e. 1. echo "int main() { return 1; }" > foo.c gcc foo.c && ./a.out && echo $? However, echo $? works when ...
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2k 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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216 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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526 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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162 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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97 views

Terminal not reporting resize properly

I'm having a problem where when I resize my terminal, it doesn't seem to be reported properly and so none of the applications in it don't display properly. For example: If I open a terminal, remote ...
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235 views

Difference between AIX and other Unix flavours [duplicate]

I am learning AIX 6-7 for practice, is there any alternative unix flavour which could be quite similar to AIX which could be run on a VMWare or Virtualbox for practice? Also, if there is any ...
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392 views

Network interface information on AIX

I want to get all the information about the network interfaces available on the AIX. Like on linux, we can get it from /sys/class/net files. Is there any files on AIX where I can find relevant ...
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2answers
455 views

Is there a way to prevent a non-terminal-attached process from executing 'who' inside my .envfile?

I made some modifications to the /home/user/.envfile so the PS1 prompt would show date/time as well as the pwd etc. The modification is: # `who am i` is used to obtain the name of the original user ...
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5answers
898 views

Run a script on multiple shells?

I have two servers one AIX with default shell ksh, the other RHEL with default shell bash. I have a script that is mounted on both that will run similar commands but for either AIX or Linux. This ...
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1answer
361 views

How can I get KornShell to display the date and time in the prompt?

On my AIX box, which is using ksh as the default shell, I'd like the prompt to show both the date and time followed by a newline \n, along with the name of the machine, and the working directory. ...
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298 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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1answer
294 views

What is #@(#) in Kornshell syntax

I'm looking at a script on an AIX box where several lines begin with #@(#) What does that indicate? Clearly doing a Google search is totally fruitless for symbols. Here are the lines from the ...
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99 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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908 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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2answers
1k views

how to return to underlying script from tail -f

I have a ksh script, in which I use tail -f to view a log file. How can I terminate the tail process, and continue executing the underlying script? I am running it on AIX 7.1. ...
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3answers
396 views

Files are missing and I want to know what happened to them

Somehow some files are missing in a directory and I would like to know what happened to those files. Who has moved/deleted them? How can I investigate? Can we get a history on a directory? These are ...
3
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202 views

Run command based on output of another command

OS: AIX 7100-04-1216 So basically I'm trying to write a for loop that sees which volumegroups I have on my system, which filesystems reside in those volume groups and what the size of each of those ...
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Windows IDE for AIX application [closed]

I'm working on a C application based on AIX 5.3 using VI as an editor, I need a windows IDE (open source or commercial) that can help me: modify the source code more easily compile as if I'm under ...
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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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How to get modification time for a file (in UNIX TIME!) on AIX?

$ istat TESTFILE.txt Inode 2317 on device 12/7 File Protection: rw------- Owner: 4847(testuser) Group: 346(testuser) Link count: 1 Length 1480 bytes Last updated: Sun ...
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687 views

Aix grep wildcard not working

I have a file called message that has the line CSC/UT/USA/WBIMB/SAP/orders05:orders05/ORDERS05/NONE/ORDRSP/758 I am doing a grep (Platform is AIX 6.1) grep ...