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Most *NIX systems (AIX, Linux, Solaris, BSD) have some kind of system and accounting records. You can run sar to see if it is properly deployed on your system. If you run it and get loads of output,...

So, just upgrade to latest coreutils version.

What -n r/K/N does is print every K/Nth line. If K = 1 and N =2, you the first line, then every 2nd line after to the end of the stream. With K = 1...

Simple:

sh scriptname

Now, you have some interesting options. You can log all the output and error to a file:

sh scriptname &> all-output.log

An important option is '-x' which will log...

Traditionally, you must specify a device. Therefore

tcpdump -i eth0 -w /tmp/syn.pcap 'tcp[tcpflags] & (tcp-syn) != 0'


But that assumes you want it from eth0. Maybe you want it from wlan0. But...

This question is too vague (I don't think Jim interpreted it correctly). Perhaps you mean "which users are allowed to execute what commands" in a sudoers file? If that is indeed the question, the...

Yeah you combine but only ONE pair of SINGLE-QUOTE marks (')....


sed 's/|/","/g; s/^/"/; s/$/"/; s/"="/="/g; s/""~/"/g' A4.txt > A5.csv

Also, to prevent double quotes at the beginning and end...

Perhaps your pager provider has an email gateway?

If not, you must set up a modem of some sort and use some kind of program that will work with it.

A more general solution is to use something...

This is a really vague question. What kind of suggestions are you looking for?

Do you know for sure that you can mount /home/nisuser on this host?

Try (as root):

mkdir /mnt/nisuser
chmod 755 /mnt/nisuser
mount titanium:/home/nisuser /mnt/nisuser
ls -l /mnt/nisuser
...

OK, the problem is ... you were still in /home when you removed it.

1. Log out from all other users.
2. As root, change dir to /root or /
3. Run lsof /home. If there are processes listed, kill...

There is a caveat to working with autofs: The top-level directory must not exist before autofs is started. Try this (on the client): NOTE: THIS WILL DESTROY EVERYTHING IN /HOME ON THE CLIENT

...

So autofs builds on NFS in the way that each directory will be mounted "on demand" and unmounted after a few minutes of inactivity. It is largely a pointless technology, but it still has its uses....

You're confounding NIS with NFS. The former allows hosts to share information services such as the user database and hostnames. The latter allows home directories to be shared (for instance).

The...

The Masquerading setup will do this for you.
So the modern way of configuring sendmail is through the distributed m4 scripts; to convert those to the configuration, you need to install...

The two most common problems in this situation are:
1. Dependency on an unreachable network resource, ie, NFS, NIS, LDAP
2. Bad disk

Per the previous post, boot into "single user mode". This...

I recently ran into this problem. The solution offered here (and elswhere on the Internet) insufficiently failed to answer it. I had to dig deep to find it.

Depending on the precise server...

User agn takes the approach I would, but FYI: but he has a coding error.



for f in *txt.xls; do suffix=${f#*.}; p=${f%.$suffix}; echo mv $f ${p}_$(date +%Y%m%d_%H%M%S%N).${s}; done

This code...

Make sure sshd is actually running. For instance ps auxww|grep sshd
Make sure sshd is running on port 22. In some OS's like Linux, that's netstat -anp | grep :22
Check the firewall settings. If...

I have no idea how this helps recover the root password, but ok.

The code is fixed with:
DISPLAY=11.22.33.44:0.0
export DISPLAY
The numvers must be filled in with the terminal's IP address.

Might be simpler to let awk do the calculation, and let the script's input parameters be used in the normal sense.
This code looks longer, because I added lots of checking, but the functional part...

You probably want to do something like this:

First, add a soft link from /bin/false to /usr/bin/nologin

Next, have a list of user-names in a text file, one name per line. Then prepare the...

"man ps" so you can learn the various options you need for sorting and displaying the fields you are interested in. As noted by others above, these options vary slightly from system to system. (ie,...

gull04 and jlliagre are most probably correct. If you need a place to store stuff, here's what you can do in the mean-time:

Check the diskspace of /tmp and /var/tmp. Use df:

df /tmp /var/tmp
...

my $fcell = $worksheet->get_cell($row, 11);
my $name = $fcell->value();

What's probably happened is that get_cell() returned an undefined object (perhaps because that cell was...

Remove this servers' IP addresses from resolv.conf, and further, stop and disable the named service on it. After this, your host will use only the master and slave DNS servers and so should always be...