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 to use Extended ACL's on AIX?

Using AIX (6.1) FTPD, a user needs to log in and it should only reach 2 directories (read/write) in the system, ex.: /foo/sth1 and /foo2/sth2 Besised the users home directory it shouldn't reach ...
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932 views

How do you determine if AIX 5.3 has PERL installed?

Simply put, how do you determine if AIX 5.3 has PERL installed as non-root?
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140 views

Several groups can have the same groupID?

0:root@SERVER:/root # grep 300 /etc/group ipsec:!:300:admgrp 0:root@SERVER:/root # ?? Several groups (ipsec/admgrp) can have the same groupID (300)?? how can this be? /AIX 6.1/
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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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sshd process inoperative

I have an AIX server which suddenly stopped servicing SSH connections. When I try to start the service through startsrc -s sshd it says: 0513-059 The sshd Subsystem has been started. Subsystem PID is ...
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695 views

Max password size in AIX 6.1

I found on the AIX documentation some rules to set about passwords length : minlen Defines the minimum length of a password. The value is a decimal integer string. The default is a value of 0, ...
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Package manager for AIX

While installing Subversion on AIX (version 7.1) from the official site, there are dependencies I need to resolve first before I can proceed to install the subversion package. While installing the ...
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402 views

What logs would be written if file system is full in UNIX?

I am working on a unix server and I guess during some time in past the file system had been full. However, I need some solid data to prove it. Will there be any OS logs or something of that sort to ...
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214 views

sudo: script launched from another script won't redirect standard output

I'm using AIX 5.3 with sudo 1.6.9p23. Sudoers file grants user fcomartin permission to run any command as user oas: fcomarti ALL=(oas) ALL User oas has a bash script called menu, which launches ...
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1k views

How to run the most recent command on AIX?

How can I run the most recent command again from history in AIX Server? And how to edit the most recent command and run it again in AIX?
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17k 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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836 views

Skip first 3 byte of a file

I am using AIX 6.1 ksh shell I want to use one liner to do something like this cat A_FILE | skip-first-3-bytes-of-the-file I want to skip the first 3 bytes of the first line, is there a way to ...
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How to change timezone to UTC without rebooting AIX

# oslevel 6.1.0.0 From smitty it say's it needs a reboot, but I don't want to reboot. How can I change the TimeZone to UTC without rebooting?
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How to install Mono in AIX?

I don't have root access to an AIX 5.2 machine and want to run Mono programs in it.
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269 views

Find when a hard disk was first installed

What's the command in AIX to find the first time a given hard disk was installed?
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14k views

How to run a fresh version of AIX in a Virtual Machine with a Linux host?

I need to learn about AIX, and I only have a laptop with Fedora 14/VirtualBox on it. Is there any chance that I could run an AIX guest in my VirtualBox? My laptop has an Intel(R) Core(TM)2 Duo CPU ...
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763 views

Validate AIX Password for root from script

Looking for a way in a shell script to validate the password for for root on an (AIX) matches a standardized plain text password. This query is similar to another one on this site. I have access to ...
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740 views

Why does this password fail AIX and Solaris rules

Had to reset my password on a couple of client servers today, and despite following the rules I get the message "Your password failed to meet: minimum of 2 non-alphabetic characters" back from the ...
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1k views

AIX 6.1 JFS2 Oracle files system, not using much files system cache

I am running Oracle database on AIX 6.1, Oracle using JFS2 file systems. Maxperm is set to 90%. This is busy database server, but it is not using the file system cache (less then 2%). The system has ...
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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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499 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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1answer
348 views

Redirect terminal output to image file

I need to programmatically run some unix commands and get the output in a image file, the format could be png or jpeg (jpg). The commands are run in an AIX (IBM *nix) machine. I don't have ...
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2k 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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424 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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382 views

Can I write control characters to someone else's terminal?

A lot of people log into the same AIX 6.1 server as I do with a terminal emulator that automatically interprets and runs code encapsulated by certain control characters as VBA script instead of ...
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465 views

AIX 6.1 starting xhost + from inittab at the boot time

Everytime after restarting the servers, I have to run xhost + from console prompt. Does anyone have any idea about enabling xhost + from inittab file?
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Is it a good idea to supplement shell script with perl purely for use of regex?

I'm looking for a simple way to utilize regex in a UNIX shell script where not every system will have perl extensions built into grep. What is really helpful about perl regex here is back/forward ...
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451 views

Search for file permisions other than 755

In AIX really, how can I search in several directories and those below it, for files that are not of the specific permissions of 755. So I want to search /path/to/, /path/to/mydir, ...
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3k views

FTP over SSL in AIX (UNIX)

Folks over at SO couldn't answer this, so I am posting over here. I need to do an FTP over SSL to a FileZilla Server running on a Windows server from an AIX Unix clien. I have the Host name of the ...
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how to troubleshoot a network adapter on an AIX 4.3.3 machine

I'm trying to brush up my skills on AIX. I have an ancient RS/6000 43P-133 which I'm trying to resurrect before investing in anything more sophisticated. I used to do automation and scripting on AIX ...
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556 views

How to kill a ghost process? AIX 6.1

oslevel: 6100-05-01-1016 according to topas: root 1769602 1 93 20 112 0 128 32498:07 87.1 0 0 ldmp_pro according to ps: -bash-4.1# ps -ef | egrep -i "1769602|ldmp" ...
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1k views

AIX ftpd - how to set umask for a given user?

I know how can I change the umask settings for all the users using ftpd, but how can I change the umask for a given user using FTPD? AIX/6100-05-02-1034 FTP server (Version 4.2)
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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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Does AIX really beat Red Hat Enterprise Linux?

Our company plan to upgrade our servers, and at the same, we would use AIX over Red Hat Enterprise Linux. I asked my boss the reason of choosing AIX, he said it is because AIX is more powerful. I ...
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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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548 views

What should a Linux Server Admin know about Solaris and AIX

I'm being considered for a new Linux Server Engineer position, but I'm told by an insider that there is a little Solaris and AIX in-house. I spend most of my time in the Debian Family, have some ...
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934 views

How do I know that FXP is enabled or not? (AIX FTPD)

# grep -i ftp inetd.conf ftp stream tcp nowait root /usr/sbin/ftpd # oslevel -s 6100-06-05-1115 So I have an AIX 6 server. How can I check if FXP is enabled on the FTPD or ...
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355 views

AIX won't stop creating random .nfsXXXX files

I am trying to delete some files and folders, but I can't because the system keeps re-creating the files. All these files are named .nfsXXXX, where XXXX is some random 4-character hexadecimal ...
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835 views

Unset Read Only Variables

Is it possible to unset or change a readonly variable in Korn Shell? I am using AIX 5.
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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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What to do after a kernel panic on AIX?

There was a "kernel panic" - at least sort of. errpt | head IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION A6DF45AA 1205044411 I O RMCdaemon The daemon is started. 67145A39 1205044111 ...
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964 views

put tab before every output line on AIX/ksh

0:root@SERVER:/root # echo "something" | sed -e 's/^/\t/g' tsomething 0:root@SERVER:/root # AIX/ksh .. why doesn't it works? I just want to put a "tab" before every line!
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How to get free memory on AIX?

How can I see the free memory on an AIX? There is no free -m under it. AIX oslevel: 6100-03-03-0943
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How to fix bad mirroring on AIX?

So mirroring is bad: 0:root@SERVER:/root # lslv -m hd2 hd2:/usr LP PP1 PV1 PP2 PV2 PP3 PV3 0001 0209 hdisk30 0322 hdisk32 0002 0210 hdisk30 ...
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1answer
2k views

Why my $PATH is not inherited by the invoked bash?

I work on an AIX system where I have no administrator privileges. It has several shells installed, default being tcsh. I am not allowed to change the login shell. Usually I start my session from exec ...
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826 views

Crash and exit code 721035

Where can I find what this exit code means? I have process (A) that calls program (B) using clib system(). Sometimes program (B) returns with exit code 721035 and AIX kills process A. This is random ...
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789 views

Why does a user get prompted for password under AIX?

Users get prompted for password, and according to the lsuser -f username output: expires=0 maxexpired=-1 maxage=13 users shouldn't be prompted for changing password. Why does he has a change ...
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408 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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4k views

How to decrease the size of a logical volume/fs aix?

oslevel -s 6100-03-03-0943 IF I have a Logical Volume that I need to shrink, then how can I do it? [there could be several FileSystems on it...]. What is the process?
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969 views

How to shut down or reboot a machine? [on different OSes]

What parameters do the "shutdown" command [or other command?] NEED, TO BE SURE that the machine reboots or shuts down for SURE? e.x.: version for Linux: # cat /etc/SuSE-release SUSE Linux ...