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tr for changing a list into a row with the strings Community Blog
The next step on the mass user creation from my previous post was to add all those users into a group. Another dirty way for doing this was to get a list from /etc/passwd and change the format for the /etc/group file. [root@hostname etc]$ cut -d: -f1 passwd |...
from Blog: Systems administrator stuff
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Quick and dirty perl script to replicate user IDs Community Blog
The task: Replicate the user IDs from system A to system B. Amount of user IDs: around 250. That is the main task. A manual procedure would take hours to complete. My approach was to create a simple perl script to create the user IDs from the source system to...
from Blog: Systems administrator stuff
Modified on by Emerson Posadas
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Using the last argument from your last command and some other combinations Community Blog
Let's say that [emerson@hostname ~]$ mkdir /tmp/foo [emerson@hostname ~]$ cd <the last argument from my last command is /tmp/foo> Another one: [emerson@hostname ~]$ mkdir /tmp/foo [emerson@hostname ~]$ cd !$ cd /tmp/foo [emerson@hostname foo]$ pwd...
from Blog: Systems administrator stuff
Modified on by Emerson Posadas
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Querying the TSM DB Community Blog
Emerson Posadas
Tags:
queries
db
unix
dsmadmc
db2
tivoli
ibm
dsmc
sysadmin
tsm
backups
10,428 Views
Let's say we need to know what were the nodenames within a TSM server that not accessed in the last 25 days: select count (*) node_name from nodes where DAYS(current_timestamp)-DAYS(LASTACC_TIME)>25 SELECT count (*) node_name FROM nodes where...
from Blog: Systems administrator stuff
Modified on by Emerson Posadas
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Postfix flush mail queue Community Blog
With information from this link: How to postfix flush mail queue # postfix flush # mailq # postsuper -d ALL # postsuper -d ALL deferred That would make the job. [root@host ~]$ mailq Mail queue is empty [root@host ~]$
from Blog: Systems administrator stuff
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Handy bash functions : history grep Community Blog
Another handy function my .bashrc has defined is the following: usually when searching for an old hostname or command on my history log, I have to hit the history | grep <hostname/search pattern> line. The natural solution for this was to create a bash...
from Blog: Systems administrator stuff
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cvs [commit aborted]: out of memory; can not reallocate 52962371 bytes Community Blog
This was a long standing issue I was trying to solve from some time ago: cvs [commit aborted]: out of memory; can not reallocate 52962371 bytes For this particular case, cvs is running from inetd, and my fault was not checking the root limits. So I changed...
from Blog: Systems administrator stuff
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Another way to perform repetitive tasks Community Blog
Let's say that we need to rename some folders from FOO to FOO.locked. There are thousands of them. My approach is as follows: having a file named /tmp/repos with this content: THIS FOO BAR FOOBAR TEST I run the following line: $ while read i; do mv $i...
from Blog: Systems administrator stuff
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This week's developerWorks newsletter: Linux for Windows sysadmins, IOD 2012 by the numbers, and more Community Blog
John Swanson
Tags:
aix
commerce
java
websphere
windows
conference
demand
edition
on
cloud
developerworks
broker
2012
newsletter
news
ibm
i
computing
weekly
sterling
rational
developer
sysadmin
linux
message
information
12,052 Views
This week's developerWorks newsletter previews the Information On Demand 2012 conference -- by the numbers. Not subscribed? Sign up for your customized newsletter today! ************************
Welcome, developers! How can I best illustrate in this short...
from Blog: developerWorks enthusiasts
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Half-minute handover: when the AIX admin goes MIA
AnthonyEnglish
Tags:
admin
hmc
aix
oslevel
handover
sysadmin
mia
nim
version
ioslevel
vios
backfill
13,038 Views
Clean Handover For ... ahem .. undisclosed reasons, an organisation's AIX administrator has gone Missing in Action . The empty shoes are to be filled by you. You've never heard of the company "Clean Doubt" and never logged into their systems. You...
from Blog: AIX Down Under
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Meet the Grepplies (The Search Monsters with Attitude)
AnthonyEnglish
Tags:
grepplies
replace
match
sysadmin
paragraph
pattern
aix
string
grep
edit
10,689 Views
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@page { margin: 2cm }
P { margin-bottom: 0.21cm }
A:link { so-language: zxx }
--&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;...
from Blog: AIX Down Under
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sysadmin database task to check table maximum number of pages
Every unfragmented/unpartitioned IDS Table can have a maximum of 16 Mio. pages. To exceed this limit the table can be fragmented / partitioned. Here is a example function/task for the IDS 11.X sysadmin database to check this limit. The function triggers a...
from Blog: Informix Administrators Blog
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sysadmin database task to check table next extent will fit into
It could be a problem for the application (or the admin) when database tables next extent size is larger than the dbspace free size. Here is a example function/task for the IDS 11.X sysadmin database to check these events: DATABASE sysadmin; DROP FUNCTION...
from Blog: Informix Administrators Blog
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Rebuild sysadmin database manually without restart the IDS
Normal 0 MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in...
from Blog: Informix Experts
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TCO: tem realmente validade?
A semana passada foi bastante atribulada e inclusive, entre diversas reuniões e encontros com clientes, estive participando de dois eventos bem interessantes. O primeiro foi um evento de 3 dias que fizemos para ibmistas e parceiros, chamado Linux University....
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Moving (Resetting) the sysadmin database to a new dbspace
"sysadmin" database is created in "root dbspace" at server initialization. This database is required for the Scheduler API and Remote Administration feature. Until B5 drop, there wasn't any way of moving the sysadmin database safely to any other dbspace. A new...
from Blog: Informix Experts
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The DB Scheduler
This article describes how IBM Informix DB Scheduler tool automatically keeps administrators up-to-date on database performance and availability and execute corrective actions automatically. What is DB Scheduler? The DB Scheduler is a self-managing technology...
from Blog: Informix Experts
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