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Search: Posts Made By: sds9985
Forum: Red Hat 05-04-2012
3,840
Posted By sds9985
The free version of RHN Satellite that does not...
The free version of RHN Satellite that does not require paying for an entitlement from Red Hat is called Spacewalk, at Spacewalk: Free & Open Source Linux Systems Management...
Forum: Red Hat 04-26-2012
5,124
Posted By sds9985
Shirish, The amount of RAM set aside by...
Shirish,

The amount of RAM set aside by min_free_kbytes cannot be used for processes, cache or buffers. It's "reserved" for use by new processes that are starting up. By reserving it, you're...
Forum: Red Hat 04-26-2012
5,124
Posted By sds9985
Shirish, For test purposes, the easiest way...
Shirish,

For test purposes, the easiest way to effectively reduce the amount of physical RAM available for use by processes is to crank up the kernel parameter vm.min_free_kbytes. This sets the...
Forum: Red Hat 04-20-2012
2,477
Posted By sds9985
A very bad idea. Install the missing libraries...
A very bad idea. Install the missing libraries on the second workstation.
Forum: Red Hat 04-13-2012
4,499
Posted By sds9985
The operating system is too old. RHEL 4 uses...
The operating system is too old. RHEL 4 uses glibc 2.3 and is obsolete and no longer supported. The current release of RHEL 5 is 5.7, which uses glibc 2.5. The current release of RHEL 6 is 6.2, which...
Forum: Red Hat 04-13-2012
1,820
Posted By sds9985
The operating system is too old. RHEL 4 uses...
The operating system is too old. RHEL 4 uses glibc 2.3 and is obsolete and no longer supported. The current release of RHEL 5 is 5.7, which uses glibc 2.5. The current release of RHEL 6 is 6.2,...
Forum: Red Hat 04-13-2012
2,292
Posted By sds9985
"who -b" will tell you the last time the system...
"who -b" will tell you the last time the system was booted.

You might want to consider updating that server. The current release of RHEL is 6.2 (2.6.32). RHEL 2.1AS went totally off of support...
Forum: Red Hat 04-11-2012
1,313
Posted By sds9985
An active RHEL system should be using almost all...
An active RHEL system should be using almost all of the free physical memory for cache and buffers. Once you start doing application I/O, you'll see the memory get "used" by the OS quickly. Remember,...
Forum: Red Hat 03-17-2012
1,911
Posted By sds9985
CentOS would be a good practice environment for...
CentOS would be a good practice environment for you. All of the RHCE elements described on the Red Hat web site would apply to CentOS as well as RHEL, although the curriculum and test have changed...
Forum: Red Hat 03-10-2012
6,603
Posted By sds9985
The easiest way to get a clear picture of your...
The easiest way to get a clear picture of your storage layout would be to run:

pvs
vgs
lvs
mount
cat /proc/swaps


Could you please post the output of these commands?

/dev/sda is...
Forum: Red Hat 03-09-2012
11,387
Posted By sds9985
Try /var/log/sa/sa07. sar* files are text...
Try /var/log/sa/sa07. sar* files are text summaries. sa* files are data to be used with the sar command. See the sar man page.


# pwd
/var/log/sa

# file *
sa01: data
sa02: data
sa03: ...
Forum: Red Hat 03-03-2012
4,382
Posted By sds9985
RHEL 6 uses the 2.6.32 kernel. It has many...
RHEL 6 uses the 2.6.32 kernel. It has many improvements in virtualization technology, better algorithms for time sharing between processes, replaces SysVinit with Upstart (in a backwards compatible...
24,375
Posted By sds9985
Storage is not intended to be intermittently...
Storage is not intended to be intermittently connected and disconnected while in operation. You have a single point of failure there and the ext3 component of RHEL is trying to protect your data...
Forum: Programming 02-18-2012
13,696
Posted By sds9985
The code in sudo checks to see that its STDIN is...
The code in sudo checks to see that its STDIN is a terminal, specifically trying to defeat input redirection from a file. The idea being that you should never put a clear text password in a file...
2,172
Posted By sds9985
The line: echo $"Usage: $0...
The line:

echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"


is no syntax that I recogize.

I think it's taking $" to be a variable name and considering the...
Forum: Red Hat 02-18-2012
6,907
Posted By sds9985
Basically, only root should be running the...
Basically, only root should be running the administrative commands in /sbin and /usr/sbin. Non-root users may be technically able to run them - according to the file permissions - but many times the...
Forum: Red Hat 02-08-2012
2,043
Posted By sds9985
Look at the search string in your...
Look at the search string in your /etc/resolv.conf file. If you add domains like:

search data.corp.sb1.uni.com data.corp.sk1.uni.com data.colo.sb1.uni.com

it should look in one subdomain...
Forum: Red Hat 02-08-2012
4,975
Posted By sds9985
In the olden days of Wyse and VT-100 terminals...
In the olden days of Wyse and VT-100 terminals and serial connections, before networks and GUIs and emails and iPads were invented, users on UNIX systems (and those old character-based terminals)...
Forum: Red Hat 02-08-2012
1,817
Posted By sds9985
Generally, yum and rpm are smart enough not to...
Generally, yum and rpm are smart enough not to clobber your config files. Yum and rpm recognize commonly edited configuration files and treat them differently than the other files they would be...
24,375
Posted By sds9985
I don't think this is your problem. ...
I don't think this is your problem. kernel-2.6.9-55.EL is a RHEL 4 kernel, so this is an old bug from 2007. The bug was addressed by Red Hat bug 228108 - bugzilla.redhat.com/show_bug.cgi?id=228108 ...
1,068
Posted By sds9985
Linux: ps -t - Solaris: ps -e (processes...
Linux: ps -t -

Solaris: ps -e (processes without a tty show as '?')

reference: man ps
Forum: Red Hat 01-21-2012
11,341
Posted By sds9985
/var/log/messages and/or /var/log/secure should...
/var/log/messages and/or /var/log/secure should show you why the logins were denied.
Forum: Red Hat 01-21-2012
4,129
Posted By sds9985
I think fdisk will show you that the size of the...
I think fdisk will show you that the size of the disk has changed, but the size of the partition being used as the pv for LVM hasn't changed. The space you added is just now shown as free space on...
24,375
Posted By sds9985
Linux is the victim here, not the culprit. Ext3...
Linux is the victim here, not the culprit. Ext3 will remount a filesystem as read-only whenever it considers I/O to that device to be unreliable, in order to protect the data (as best it can). The...
Showing results 1 to 24 of 24

 

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