10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hi,
we have multiple database instances running on solaris server like db1, db2 and db3. Below shown ipcs -pmb shared memory segment output. Using cpid value I want to relate to the database instances db1, db2 and db3. Please let me know how to do this?
$ ipcs -pmb
IPC status from <running... (9 Replies)
Discussion started by: baladelaware73
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2. UNIX for Advanced & Expert Users
The ipcs -q command output includes a MODE column which tells user if the process is waiting on read or write on the queue. I used this in scripts on many systems (Solaris, AIX, SCO)
a snippet from man
MODE (all)
The facility access modes and flags: The mode consists of
11... (2 Replies)
Discussion started by: migurus
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3. Solaris
How to clear IPCS queue count in server? (2 Replies)
Discussion started by: Arasu123
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4. Shell Programming and Scripting
I'm using cygwin on win7, What I would like to do is something like this:
cygstart cygwin tail -f /foo/test.log | perl -pe 's/error/\e
I know I can start a new instance using either of these:
mintty -e ...
cygstart tail ...
But neither of those open in ANSI mode, so I can't do... (0 Replies)
Discussion started by: Validatorian
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5. UNIX for Advanced & Expert Users
Hi,
I read the ipcs man page and am still very confused.
Basically, I just want to know whether the output from the ipcs command below means these are the current "TOTAL" memory usage in bytes on the server? Is this correct?
Thanks in advance.
ipcs command output below:
# ipcs... (2 Replies)
Discussion started by: newbie_01
2 Replies
6. AIX
I am trying to run myApplication which allocates Some amount of shared memory at startup.
It failed because not available shared memory are available.
But when i ran,
ipcs -m
it is displaying empty(i.e no shared memory allocated in system.)
Why "ipcs -m" is displaying empty ?
... (5 Replies)
Discussion started by: ashokd001
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7. Solaris
hi,
I need help with ipcs command on Solaris. What does it do and what are options b,m,o,q does. Here is the sample output of ipcs -oq and ipcs -bm
IPC status from <running system> as of Sun Sep 7 23:07:59 GMT 2008
T ID KEY MODE OWNER GROUP CBYTES QNUM... (4 Replies)
Discussion started by: krabu
4 Replies
8. AIX
hello
i'm running on aix 5300-08-02-0822 hacmp 4
when i run ipcs command there is nio output.
some one got this problem?
best regards
ariec (1 Reply)
Discussion started by: ariec
1 Replies
9. Programming
I am using SUN 0S 5.7.
My application has a dozen programs running in this machine, each instance of a program having 2 POSIX message queues for itself. Totally around 90 POSIX message queues.
Another small application uses a SYSTEM V shared memory and a message queue.
We face a problem... (1 Reply)
Discussion started by: Deepa
1 Replies
10. UNIX for Dummies Questions & Answers
Does anyone know how to set the variables with the ipcs command?
I need to set the following variables:
Shared memory segments
message queues
semaphore arrays
all of these (1 Reply)
Discussion started by: Deuce
1 Replies
IPCS(1) User Commands IPCS(1)
NAME
ipcs - show information on IPC facilities
SYNOPSIS
ipcs [options]
DESCRIPTION
ipcs shows information on the inter-process communication facilities for which the calling process has read access. By default it shows
information about all three resources: shared memory segments, message queues, and semaphore arrays.
OPTIONS
-i, --id id
Show full details on just the one resource element identified by id. This option needs to be combined with one of the three
resource options: -m, -q or -s.
-h, --help
Display help text and exit.
-V, --version
Display version information and exit.
Resource options
-m, --shmems
Write information about active shared memory segments.
-q, --queues
Write information about active message queues.
-s, --semaphores
Write information about active semaphore sets.
-a, --all
Write information about all three resources (default).
Output formats
Of these options only one takes effect: the last one specified.
-c, --creator
Show creator and owner.
-l, --limits
Show resource limits.
-p, --pid
Show PIDs of creator and last operator.
-t, --time
Write time information. The time of the last control operation that changed the access permissions for all facilities, the time of
the last msgsnd(2) and msgrcv(2) operations on message queues, the time of the last shmat(2) and shmdt(2) operations on shared mem-
ory, and the time of the last semop(2) operation on semaphores.
-u, --summary
Show status summary.
Representation
These affect only the -l (--limits) option.
-b, --bytes
Print sizes in bytes.
--human
Print sizes in human-readable format.
SEE ALSO
ipcmk(1), ipcrm(1), msgrcv(2), msgsnd(2), semget(2), semop(2), shmat(2), shmdt(2), shmget(2)
CONFORMING TO
The Linux ipcs utility is not fully compatible to the POSIX ipcs utility. The Linux version does not support the POSIX -a, -b and -o
options, but does support the -l and -u options not defined by POSIX. A portable application shall not use the -a, -b, -o, -l, and -u
options.
AUTHOR
Krishna Balasubramanian <balasub@cis.ohio-state.edu>
AVAILABILITY
The ipcs command is part of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-
linux/>.
util-linux July 2014 IPCS(1)