Sponsored Content
Full Discussion: AIX change ulimit for a user
Top Forums UNIX for Advanced & Expert Users AIX change ulimit for a user Post 303042603 by vbe on Wednesday 1st of January 2020 04:13:41 AM
Old 01-01-2020
Greetings and Happy New Year!

You can't judge like that what is good/bad...
Oracle is no ordinary user: many users access to files using oracle UID the same for processes etc
So it will depend on the size of your RDBMS or how many instances you have running on a server, how many processes are "oracle" etc the same for files and file size: no ordinary user would produce a file on a system the size of a full export (oracle)...
Why unlimited as value is not a good idea unless you know what you are doing AND what the others do:
Just an example: if a coder badly checked his new code that went in production ( or just a bug...) fall on a case you case have files opening but not closed correctly, worse though quite funny when it occurs: executing an infinite loop opening new processes...
You end with a freeze of the system where if lucky and an admin can connect will shutdown gracefully the box, more severe no one can connect and you have no other choice but to power off...
AIX at least lets you define on a specific user basis, may not be the case of all Unixes you see

Addendum:
Q: Do you have any issues? Giving a lot of resources will give you peace ( no errors or warning of running out of resources...) only that waste of resource will affect performance, if that is OK with you and production are happy, well why worry except for the case you do have an issue, it will be in proportion with what you gave

Last edited by vbe; 01-01-2020 at 05:29 AM.. Reason: Typos and addendum
This User Gave Thanks to vbe For This Post:
 

10 More Discussions You Might Find Interesting

1. AIX

Handling User Id Change in AIX

Hi, I have a query that suppose the first or last name of the user changes and we need to change its userid for aix too. Then in that case how do we handle this scenario??I guess we can't change the user id so we should re-create the new id and associate all the data of the old id. But I donno... (1 Reply)
Discussion started by: tintin@10
1 Replies

2. UNIX for Dummies Questions & Answers

How to make ulimit change permanent

ulimit -a gives the following output:$ulimit -a time(seconds) unlimited file(blocks) 2097152 data(kbytes) 131072 stack(kbytes) 16384 memory(kbytes) unlimited coredump(blocks) 32768 nofiles(descriptors) 400 vmemory(kbytes) 147456 Abot output... (3 Replies)
Discussion started by: nervous
3 Replies

3. AIX

how to set the ulimit on AIX 5.2 version?

how to set the ulimit on AIX 5.2 version? (3 Replies)
Discussion started by: Shilpi
3 Replies

4. AIX

Increase the filesize ulimit for a user?

Hi Guys, How do I increase the filesize ulimit for user jf01474, using the same value as of user oracle? Ex: /etc/security/limits default: fsize = 4194302 core = 2097151 cpu = -1 data = 262144 rss = 65536 stack = 65536 ... (3 Replies)
Discussion started by: sky_lark02
3 Replies

5. HP-UX

change ulimit fsize permanantly

Hi, on HP-UX when I run command ulimit -a I get time(seconds) 4096 file(blocks) unlimited data(kbytes) 1048576 stack(kbytes) 8192 memory(kbytes) unlimited coredump(blocks) 4194303 nofiles(descriptors) 4096 Now I want to change file(blocks) ... (2 Replies)
Discussion started by: namita.mundada
2 Replies

6. UNIX for Dummies Questions & Answers

AIX user ID and group ID change

Hello AIX gurus, I have a requirement where I have to change user ID of user "myuser" from 100 to 200 and also the group ID of "mygroup" from 2 to 3. Please note that "myuser" has "mygroup" as it's primary group. What steps do I need to follow for this and in what order? Also can you please... (2 Replies)
Discussion started by: sacguy08
2 Replies

7. AIX

AIX 6.1 Kernal Parameters ulimit

Hello, How can I setup the ulimit for memory permanent ulimit -m unlimited ulimit -a Output from the ulimit command should be similar to the following:time(seconds) unlimited file(blocks) unlimited data(kbytes) 2097152 stack(kbytes) 32768... (4 Replies)
Discussion started by: filosophizer
4 Replies

8. UNIX for Dummies Questions & Answers

AIX User Change Log

Hello All, If a user in AIX is locked due to multiple failed login attempts. How do I find out the IP address from where failed attempts were made? regards, Roshni (0 Replies)
Discussion started by: RoshniMehta
0 Replies

9. Red Hat

setting ulimit for a user

The root user runs the following ulimit -a | grep open and gets a result of open files (-n) 8162 A user runs the same command and gets a result of open files (-n) 2500 How can you set the ulimit of the user to... (2 Replies)
Discussion started by: jsanders
2 Replies

10. AIX

What are the ideal ulimit settings for root user in AIX?

Hi, what are the ideal/best/recommended ulimit settings for a root user in AIX? I understand that it depends on our environment. But I would like to know...what are settings you guys use in your environment for best performance. default: fsize = 2097151 core = 2097151 ... (8 Replies)
Discussion started by: System Admin 77
8 Replies
prelude-admin(1)					      General Commands Manual						  prelude-admin(1)

NAME
prelude-admin - Manage agents accounts SYNOPSIS
prelude-admin <subcommand> [options] [args] prelude-admin add <profile name> [--uid UID] [--gid GID] prelude-admin chown <profile name> [--uid UID] [--gid GID] prelude-admin del <profile name> prelude-admin rename <profile name> <profile name> prelude-admin register <profile name> <wanted permission> <registration-server address> [--uid UID] [--gid GID] [--passwd=PASSWD>] [--passwd-file=<FILE>] prelude-admin registration-server <profile name> [--uid UID] [--gid GID] [--prompt] [--passwd=PASSWD>] [--passwd-file=<FILE>] [--keepalive] [--no-confirm] [--listen] prelude-admin revoke <profile> <analyzerID> [--uid UID] [--gid GID] DESCRIPTION
In order for an agent to communicate with a manager, it must be registered. Registration involves several steps: - Allocating an unique identity for the agent - Creating directory to be used by the agent (example: failover purpose) - Registering to a remote 'prelude-manager': get a signed X509 certificate that will allow communication between agent and manager using the specified permissions. All these informations are stored in an agent profile. An agent profile is identified by its name. When an agent is started, it will load the profile of the same name as the program itself, that is, if your agent is named "prelude-lml", the agent will load the profile named "prelude-lml". The name of the profile can be overriden using the '--prelude --profile name_of_my_profile' command line option. It is possible to define the profile name so that you can have several instances of one agent running with different permissions, using different profiles. Note that profiles are not specific to agents, but are used in all programs of the Prelude suite (agents, managers, etc). If you are not sure which permission your agent should get, just start it and default permissions will be displayed. OPTIONS
<profile name> is the default name of the agent you are installing or your own defined name. If you start your agent without prior registration, a warning is displayed including the default profile name on how to register the agent. <requested permission> is the permission your agent needs. It is composed of permission attributes (idmef or admin) and access type: read/write (r/w). By default, an agent need permissions for writing IDMEF to a manager, and reading administrative command sent to it. That is : "idmef:w admin:r". <manager address> is the address of the prelude-manager you wish to register. this can either be its IP address or its hostname. If you made a local installation, you can write localhost to connect via unix socket. Remember to use the correct uid/gid when registering your agent. For instance, if you want to register snort (running with snort euid / egid), use --uid snort --gid snort. add <analyzer profile> Setup a new agent user. --uid=UID UID or user to use to setup agent files. --gid=GID GID or group to use to setup agent files. chown <analyzer profile> Change analyzer owner. --uid=UID UID or user to use to setup agent files. --gid=GID GID or group to use to setup agent files. del <analyzer profile> The delete command will remove the agent files created through "add" command. Once this is done, the analyzer can't be used unless "register" or "add" is called again. rename <analyzer profile> <analyzer profile> Rename an existing analyzer. register <profile name> <wanted permission> <registration-server address> Register an analyzer. Register and create the analyzer basic setup if needed. It will also configure communication of this analyzer with a receiving ana- lyzer (like a Manager) through the specified registration-server. --uid=UID UID or user to use to setup analyzer files. --gid=GID GID or group to use to setup analyzer files. --passwd=PASSWD Use provided password instead of prompting it. --passwd-file=-|FILE Read password from file instead of prompting it (- for stdin). registration-server <profile name> Start a registration server to register agents. This is used in order to register 'sending' analyzer to 'receiving' analyzer. <pro- file name> should be set to the profile name of the --uid=UID UID or user to use to setup 'receiving' analyzer files. --gid=GID GID or group to use to setup 'receiving' analyzer files. --prompt Prompt for a password instead of auto generating it. --passwd=PASSWD Use provided password instead of auto generating it. --passwd-file=-|FILE Read password from file instead of auto generating it (- for stdin). --keepalive Register analyzer in an infinite loop. --no-confirm Do not ask for confirmation on agent registration. --listen Address to listen on for registration request (default is any:5553). revoke <profile name> Revoke access to <profile> for the given analyzerID. --uid=UID UID or user to use to setup analyzer files. --gid=GID GID to group to use to setup analyzer files. --help Print help AUTHOR
This man page has been written by Frederic Motte 19 June 2007 prelude-admin(1)
All times are GMT -4. The time now is 03:56 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy