Before you can install WSRR, you must prepare your Linux operating system.
About this task
Because certain steps are specific to a version of the operating
system, all steps might not apply to your environment. If no qualifier
is provided for a particular step, complete the step for all versions
of the operating system.
Procedure
- Install the following packages for your operating system:
| Option |
Description |
|---|
|
| Red Hat Enterprise Linux 6 |
ksh.rpm Korn shell
64-bit kernel only:
glibc.i686
|
|
You can also install a later release of any of these packages.
- For Red Hat Enterprise Linux 6 (64-bit), ensure that you install the
64-bit version of Installation Manager, which is located in the IM64 directory.
- Configure shared memory by completing the following steps:
- Add the following lines to the end of /etc/security/limits.conf:
# - stack - max stack size (KB)
* soft stack 32768
* hard stack 32768
# - nofile - max number of open files
* soft nofile 65536
* hard nofile 65536
# - nproc - max number of processes
* soft nproc 16384
* hard nproc 16384
- If you intend to use a DB2® or DB2 Express® database, edit /etc/sysctl.conf.
The following examples shows typical settings to add for a system
with 16 GB of RAM:
kernel.shmmni=4096
kernel.shmmax=4294967296
kernel.shmall=8388608
#kernel.sem=<SEMMS><SEMMNS><SEMOPM><SEMMNI
kernel.sem=250 256000 32 4096
kernel.msgmni=16384
kernel.msgmax=65536
kernel.msgmnb=65536
- Restart the computer.
