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DRBD will do exactly as you are asking. It's like having a RAID 1 mirror over the network. http://www.drbd.org/

FYI, forgot to include this in the original post. If I change the program to monitor another perl script and add "$| = 1" in the other perl script, this works. I need to do the equivalent in the systemtap script somehow. Thanks!

Typo above, I forgot the pipe. This only prints when the command exits, not in real time. open(STAP, "/root/loop.stp |"); while ( <STAP> ) { print; } -- Chris RHCE, SCSA, AIX5L, LPIC, CNE, CCNA, MCSE

I have a systemtap script (loop.stp) that continuously runs and prints output periodically. I want to monitor this output from a perl script. Why does this code below not print anything? If I change this to /bin/ps, it does print the entire output when the command exits. I need it to print...

I was able to get this working well enough for what we need it for. I just need to redirect all SSL requests to the same page. I got this working by adding the following to the <VirtualHost _default_:443> section. RewriteEngine on RewriteCond %{HTTPS} =on RewriteRule ^(.*)...

The code you posted doesn't seem to do anything. The code I originally posted I have in the default section that handles port 80 requests. If I put the same request in the httpd.d/ssl.conf file under the <VirtualHost _default_:443> section, all requests just hang in Internet Explorer. If I...

tarn, what I have above already does that. My issue is that it does not work for SSL requests. For example, a user goes to https://www.foo.org/blablabla. How do I redirect that to another page? It only works for http, not https.

I'm trying to redirect all requests on a server to a single page that informs the users that the website has been retired. I put this code in the httpd.conf file: RewriteEngine on RewriteRule /* https://www.foo.org/Server_Retire_Prompt.html [R] This works as expected for all standard...

You are right! Looking at the locale output I was able to determine that setting this variable will force sar to display it's output in 24-hour times. export LC_TIME="POSIX" Thanks Annihilannic! I remember you from 8 years ago back when I was very active on the board under the now retired...

I just checked and all of the servers have the same values in /etc/sysconfig/i18n, yet some display a 12-hour format while others a 24-hour format. -- Chris RHCE, SCSA, AIX5L, LPIC, CNE, CCNA, MCSE

You do not need 'mount -a' in your /etc/rc.local in order for filesystems mounted with _netdev in /etc/fstab to mount automatically. Adding 'mount -a' to rc.local is the equivalent of mounting them manually. I'm not saying it won't work, but you have another issue going on that is preventing...

I have a few systems that are the same operating system (RHEL 5.6) and all have the same version of sar installed (sysstat-7.0.2-3.el5_5.1). On some systems, the time is shown in 12-hour format. serverA# sar -r | head -4 12:00:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbswpfree...

The simple 'ls -lt /var/sadm/pkg' you posted should work fine. Thanks, I didn't think of that!

Is there a built-in command in Solaris that will list all installed packages sorted by the date they were installed? You can do this easily on RPM-based Linux systems by using the code below. I'm looking for an equivalent command in Solaris, if one exists. # rpm -qa --last | head...

Great suggestion! Thanks Annihilannic! :)

What is print2both? I googled it and nothing came up.

In my script I open two file handles, one is a pipe to sendmail to send email, and the other is a file handle to a local file on the system. How can I print to both of these at the same time? $sendmail = "/usr/sbin/sendmail -t"; open(SENDMAIL, "|$sendmail") or die "Cannot open $sendmail: $!"...

Kirsle, this is awesome and will be very helpful! I've been looking for a way to do this for some time. I have to loop through about 2000 servers and there's always one or two that will hang and kill the entire script. Thanks!

I have a large list of servers in @servers that I loop through and run a command on. chomp(@out = `/some/command`); Sometimes there will be something up with one of the servers and the command never finished which effectively hangs the script indefinitely. Is there a way to time this out...

Kevin, this is excellent! Thank you very much! -- Chris RHCE, SCSA, AIX5L, LPIC, CNE, CCNA, MCSE