ulimit gets or sets the upper limit for resources available to the current shell.
Questions tagged [ulimit]
356 questions
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Why is the size of stack segment much smaller than ulimit -s?
I've noticed that, in ubuntu 12.04 x64, all programs map stack segment to virtual address range like:
7fff0f59b000-7fff0f5bc000 rw-p 00000000 00:00 0 [stack]
Since 0xbc000 - 0x9b000 = 0x21000 = 135168, the size
is much smaller than the value…

ShenLei
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ulimit - different options mentioned by help and man bash
When I tried to get the maximum socket buffer size (ulimit -b) on an Ubuntu Server 12.04.5 LTS, the ulimit tool throws this error message:
root@wsproducao:~# ulimit -b
-su: ulimit: -b: invalid option
ulimit: usage: ulimit [-SHacdefilmnpqrstuvx]…

user3742266
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Proc crashes even if it allocates less memory than limited by ulimit
I have set stack size to 2000Kb by ulimit -s 2000 and ulimit -Ss 2000 for hard limit. And in the below program i have allocated appox 2040000(510000 x 4) bytes which is less than i limited i.e,. 2048000(2000*4)bytes but i see that my program…

pa1
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how to increase max number of process for Solaris 10 x86 server?
We have a test server which hosts lots of test applications. when there are lots of process (or threads) running, we found new process or thread cannot be created:
for C program: "cannot fork, resource unavailable"
for java program: it throws…

julius ho
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Too many open files even after setting kern.maxfiles
I have set the
kern.maxfiles=65536
kern.maxfilesperproc=65536
After this, I put the following command in my .zshrc file
ulimit -n 30000
However, if I try to run a netty based application from eclipse, only 10k sockets open and then java IO…

Sachin Malhotra
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Dockerfile privileged flag for Docker container (Needed because of Apache error ulimit ) AWS
I would like to start a container with privileges. Manually I can do that directly by typing:
sudo docker run -privileged name/image
But how can I generated a container from a Dockerfile with privileges, is there any command to do that in the…

chuseuiti
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Resolving glassfish 3 too many files exception (Richfaces 4.3)
we did a migration of our j2ee application on a Weblogic application server to Glassfish 3. Doing this we had to switch from Richfaces 3.X to Richfaces 4.3
A new resource handling came along with RF4 and static resources for RF-Components have to be…

Brototype
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2 answers
see how much virtual memory is assigned to a process-bash
I have written a script which assigns virtual or "simulated" memory to a process that I have created. What I want to know is, how can I then list how much memory the process has? I want it to return "process has x mbs" if I have assigned some memory…

paul
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Boot2Docker Hazelcast and ulimit
I try to create a development environment for the software we develop. For this I use Docker and Boot2docker because I work on mac (Yosemite).
We use Hazelcast in the product, but I am having a problem when I "dockerize" it.
At the first connection…

Ben
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MongoDB can't set 'maxIncomingConnections'
I have a problem setting the maximum incoming connections for my MongoDB.
I ran ulimit -n 1000000 and restarted mongo, the last ping in my MMS dashboard shows:
"maxIncomingConnections": 1000000,
however:
"connections": {
"current": 701,
…

Andrei Stalbe
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2 answers
JBoss deployment throws 'java.util.zip.ZipException: error in opening zip file' on Linux?
I deployed a large EAR (contained more than ~1024 jars/wars) on JBoss running with Java 6 on Linux, and the deployment process cried throwing the following exception:
java.lang.RuntimeException: java.util.zip.ZipException: error in opening zip…

Kaushalya
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Unable to start mongod service
I installed mongodb using the information in this link. However, when I user the service mongod start command I get the following error. Can someone help me troubleshoot?
[Piyush@localhost ~]$ service mongod start
/etc/init.d/mongod: line 54:…

proutray
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how to use the bash commands in C?
I was actually searching for the way to execute the output of bash built-in commands through a C program. Specifically I want to get the output of no.of processes running in the system through a C program . I found the command , now I want to get…

NealCaffery
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Hadoop start-dfs.sh fail
I am new to Hadoop, I config cluster follow the instruction
After config, I start HDFS daemons with /bin/start-dfs.sh
I check log file /home/deploy/hadoop/libexec/../logs/hadoop-deploy-datanode-slave1.out to make sure is run, but I see only text as…

Minh Ha Pham
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2 answers
Changing ulimit on Amazon EC2
Is there a way to increase the ulimit -n (open files) for an Amazon EC2 instance? I am running an amazon m3.2xlarge ubuntu instance for testing purposes. The ulimit -Hn is 4096 but I need over 10k. I have even tried temporarily getting higher…

JerryFox
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