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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Installing ksh as the standard shell in Redhat: Foolhardy?

I'm not a system administrator, but my organization is considering replacing /bin/sh in Red Hat Enterprise Linux 6+ with a hard link to /bin/ksh. How foolhardy would this be? The background to this ...
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448 views

Setting max coredump size on AIX doesn't work

I googled to set the coredump max size on AIX to 20 MBytes: 0:root@SERVER:/root # su - username $ ulimit -a time(seconds) unlimited file(blocks) unlimited data(kbytes) 131072 ...
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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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167 views

Is there a utility like dspcat on Linux?

I use the following dspcat command on AIX and can dump message catalogs created with the gencat command: dspcat –g /u/is/bin/I18N/l/lib/libca/libcalifornia.117.cat >> /tmp/message.smc I have ...
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334 views

printing special characters in awk output

I have a large file that contains lot MQ messages with RFH2 header. Each message in the file is separated by a blank line. Now I need to split this large file into small files each containing single ...
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574 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 ...
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262 views

How can i set-up VIOs multiple VLANs in our p770 box?

There's a requirement setup needs to address to our pSeries box. We have one p770 box intended to setup UAT and Development VM Clients, but the requirement is to set different VLANs per Environment ...
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145 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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423 views

Find when the file was closed in Unix

I know ls -l will give the modified time of file, but it is giving the time when the file was opened, not closed (using Ctrl+D or something) Please tell me how to find the time of file closed ...
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888 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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How to identify executable path with its PID on AIX 5 or more

On AIX 5 or 6, `ps -ef` shows the executable full path randomly. Why and how to determine it? I find many thread through internet and also Unix & Linux and this stack overflow post about finding ...
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379 views

Script or command to replace default parameters in /etc/user on AIX

I wanted to change the parameters settings in /etc/security/user file in AIX OS using a script. This is the sample user file. default: admin = false login = true su = ...
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5k views

Convert Unix timestamp into human-readable format on AIX

I need to convert unix timestamp (number of seconds since 1970, e.g. 1381260225 is Tue Oct 8 19:23:45 GMT 2013) into a standard human-readable format. I could get some answers by googling but those ...
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1answer
5k views

How to resolve ssh connection refused on AIX?

I am no longer successfully able to connect to my AIX LPAR. ssh -v user@<ip> OpenSSH_6.2p2, OpenSSL 1.0.1c 10 May 2012 debug1: Reading configuration data /etc/ssh_config debug1: Connecting to ...
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47 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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How to Use Encrypted password in shell script AIX

I had written a shell script that will connect with the Database to perform some operations This is my sample code #!/usr/bin/ksh . /home/ram/.profile sqlplus username/pwd@TNS<<EOF select ...
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236 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' | \ ...
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158 views

Filesystem unmounted after weekend

I have a problem with an AIX server what I manage. I had some filesystem created to store the structure of an Oracle instance. But after the weekend scheduled reboot the filesystems are unmounted when ...
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491 views

How to only zip the files of a specific user?

I like zip, it's simple, but recently I came with the need of only zipping the file owned by one user in a directory. I read the manual and I can't find any option to for example do things like: ...
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239 views

Convert unix time from variable to normal time in AIX

-d doesn't work(date: Not a recognized flag: d): date -d @1141421607 and awk's awk -vNEXTEXECDATUM="$NEXTEXECDATUM" 'BEGIN { print strftime("%c", NEXTEXECDATUM); exit }' doesn't work: "awk: ...
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1answer
1k views

Reproduce the “--max-depth=” switch for disk-usage command on AIX

When I work on Linux/GNU distro environment I often use that wonderfull command du --max-depth=1 / That gives you the size of each folder in your root directory. Today I work with AIX and ...
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602 views

Need to grant two users to an AIX server to just one folder [duplicate]

Ok, in our environment, most users (including myself as one of the unix admins) don't actually have admin rights directly on the aix servers. We login to a front unix server as ourselves without root ...
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2answers
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Del key in AIX ksh over PuTTY telnet

At the place where I work we're developing under AIX with ksh and connecting to it via telnet. Most people use ArcTel to connect, while I prefer PuTTY. The only problem I have with PuTTY is that the ...
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2answers
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Mail command to send attachements

I tried the below command uuencode data.txt | mailx –s “Test Mail” “mrp@xyz.com” But I get the below error ksh: uuencode: not found. Null Message body; hope that' ok which clearly tell that ...
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294 views

list out owned file/directories and change its permissions

Can anyone please tell how can I change files/directories owned by me only. below is the command that list out files/directories owned by me find . -user <username>
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40 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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163 views

Compile proftpd with MySQL authentication support on AIX

Edit 1: The problem seems to be related to MySQL component. because if I remove every SQL directives from config file, it does work on ftp/ftpes, sftp and ftps Edit 2: If I put an existing host ...
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2answers
61 views

Replacing a pattern with another between first and second occurrence of a pattern in file

Want the comma's (,) replaced by the alphabet u between the first occurrence of y till the second occurrence of y. Given below is the sample input file. 100y00893225900,008932259,06,2013,NOKIA Q ...
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2answers
751 views

portable command to unzip and untar on non GNU and old unix

On AIX 6.1 without GNU Tool installed I have a .tar.gz file. On Ubuntu I would use the very useful command : tar xzf myfile.tar.gz but in this case the z switch is not possible. I do remeber a ...
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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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906 views

AIX's sed - in place editing

Is there any non-documented flag on AIX's sed implementation that allows in place editing? The man page shows no flag to this operation, which is one of the most usefull ones in other UNIX flavours.
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Perl alternative for screen/tmux for the UNIX world?

What happens when a screen/tmux-like solution is needed (to leave a process running for a long time, but not with nohup because interaction could be needed) - but screen/tmux is not available on the ...
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208 views

AIX cifs hostname with underscore

I am trying to type this comand but for some reason it takes the first and not the second version. I have entered both the host names in the host file, FYI. This command works (hostname zq13c1): ...
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1answer
313 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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230 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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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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ldd: cannot find library for xl c compiled binary but could for gcc compiled binary on AIX

I have compile on AIX two version of proftpd one with gcc and one with the xl c compiler from IBM. The command line to compile both version are almost the excat same, but when I do a ldd on the gcc ...
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How to change file owner in AIX?

How can I change a owner of a file in AIX? I created a file using my personal account and then I tried to change user for this file: chown rootuser myfile.csv chown: myfile.csv: Operation not ...
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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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1answer
3k views

Add a path in $PATH globally for every user

Do we have anyway to add a path globally so that each user gets it in $PATH. I want to add path of ANT so that each user doesn't need to add it in his $PATH variable.
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225 views

Find on AIX with output to file

find /apps/dynalife/clients/. ! -path "train" -type f -mtime +90 ! \( -name "*.p" -o -name "*.i" -o -name "*.w" -o -name "*.cls" -o -name "*.inf" -o -name "*.bat" \) -exec {} \; > ...
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1answer
436 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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610 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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Facility on AIX to ZIP a list of files

I'm working with an external company who is using AIX (version unknown) as their platform. They are required to FTP me a ZIP file containing multiple files. Does the UNIX utility zip exist on a ...
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Qemu & AIX 6.1 - what am i missing?

I have a Fedora 14 i386 / T7100 C2D HP notebook. I need to run e.g.: AIX 6.1 on it for testing purposes. I installed a VirtualBox on this Fedora machine. I installed a guest os in the VirtualBox. ...
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681 views

sudo hangs when run on remote host over ssh in a script without tty (-t)

I have an AIX 6.1 server where I need to run a remote sudo command in a bash script. Here is my bash script simplified: testSudo.sh #!/usr/bin/bash set -x sudo env I can run the sudo command ...
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464 views

Merge three file in to a single master file by excluding the header in 2nd and 3rd files

I have three file with n number of lines as given below sample1.txt ------------------------------ Date Time Name ------------------------------ 2013/10/12 12:09:09 Krish ...
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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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1answer
468 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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4k views

Extract single file from tar to other folder

I've searched for multiple forums for this questions and have seen different answers but so far, nothing have worked yet even from the ones I've seen here. I want to extract a single file from a tar ...