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I figured out what was preventing TLS from starting. In the access file you can also enable or disable TLS via the Srv_Features options [1]. There are four options, with the S/s being the one for...

STARTTLS is not being offered by sendmail when I telnet to the local port on the localhost. STARTTLS is compiled into sendmail. I have valid certificates, pointed to in the .mc file, built to a .cf...

Hi. We have several hundred servers that recently received the Red Hat Enterprise Linux 5.7 update. One of the differences we noticed is that the yum caches are consuming more space than they were...

Thank you.

Personally, I would use the stat function to get the file date and store it into an array. Then you should be able to evaluate the newer files against the current time.

@filedata=stat($filename);...

Use the -e flag with the echo command, which I believe means 'evaluate expressions'. So try:

echo -e $someVar
OR
echo -e "$someVar"

In Perl I can write a condition that evaluates a match expression like this:

if ($foo =~ /^bar/) {
do blah blah blah
}

How do I write this in shell? What I need to know is what operator do...

Makes sense. Glad things worked out.

You can create the .cshrc file yourself, it won't be there by default (in most cases). A quick search on Google should help you customize the environment. I'm not real familiar with C shell.

My initial thought is to check the permissions? Did you edit the files as root? Does root write to those files, or is it another user? This could be the problem.

If you mean you want to know how much space it is occupying, then:

du -s ~

If you want to know what the quota limits are, then maybe you can use the quota command, but I'm not sure. You might...

The DNS server will translate the name to an IP. So you probably need to contact your DNS admin. Are any name lookups working? Can you even ping the DNS server? When you run nslookup <hostname>, what...

Typically you would edit /etc/ssh/sshd_config for OpenSSH configuration. Even the OpenSSH page lists the man page for sshd_config which confirms this is the default location, Manual Pages:...

I think this goes back to what was said earlier. UNIX identifies the user by the UID, not the name. So if root2 is operating under UID 0, then it will still be seen as 'root' by the receiving system...

So, the user could have edited the file as root? Or would he/she have done so as him/herself? My initial thought is that you could run a find on all files modified since last week...

find...

I'm investigating an issue where rsync's to an AIX server will sometimes fail. I suspect the problem might be due to the number of simultaneous SSH connections being made to the host dropping the...

What you want to do is run the following command to view the /etc/security/failedlogin file:

who /etc/security/failedlogin

It may run for a while if your log file is large. I'm not sure how to...

Also, someone mentioned the korn shell autocompletion tip "\" + "=" and that lists the matches to the given pattern in a numbered list. Can you recall the match by the given number?

/# ls...

I have used bash the longest since it is standard on RHEL and Mac OS X. I like it because it is intuitive and behaves identically on all of the systems I have used it on. But recently I stepped into...

For one-time job submissions, you want to use the at command. See the at man page for correct syntax, but basically...

at <time>
<command>
CTRL+D

It can be as simple as...

$ at 1100
ls...