What is this script meant to do? How do I make it executable and how do i run it? I am trying to understand what the script is doing and how it is doing it... need a little advice. Here is is..
Code:
if [ -n "$user" ]
then
list=`w | grep $user | cut -c19-30`
if [ "$list" != "" ]
then
echo "The user $user is logged
in from $list"
else
echo "The user $user is not
logged in now"
fi
fi
I'm just getting started to lean C and I'm using Ubuntu today I found a tutorial at this site: http://einstein.drexel.edu/courses/CompPhys/General/C_basics/c_tutorial.html and I got an error after compiling the fist code:
#include < stdio.h>
void main()
{
printf("\nHello World\n");
} ... (9 Replies)
Ok here is the deal, I have a command given to me by some systems guy who I cannot get ahold of on the weekend without paying him alot of money to help me. I need to get this done before Monday as I am just getting pummeled by DOS attacks. The comand given was....
netstat -ntu | awk '{print... (1 Reply)
I have a file with 3 digit numbers in it formatted as such:
123
065
321
How would I go about seeing if each number is less than 100 and if so outputting it to another file
Yes, I am a bit of a noob. I have tried with grep but I don't think it'll work.
Any general direction would be... (6 Replies)
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the specific command is this
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I'm a Linux guy who is tring out BSD for the first time...
What is the BSD program to automatically fetch and and install software?
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This is all I could find, but I wanted to make... (5 Replies)
I'm trying to parse the website, finance.yahoo.com/q?s=ge&ql=1, and retrieve the info between <span id="yfs_l84_ge">18.98</span>, so 18.98.
What would be the best way to go about this in a bash script?
Any help or suggestions will be much appreciated.
Thanks! (2 Replies)
Hello,
I am new to shell scripting and i am trying to figure why is this not working with else statement.
I am searching for every directory in that DIR i am in, however the "else" seems to be triggered whenever the run the script..
Much thanks in advance!
#!/bin/shell
for item in... (3 Replies)
I'm having some difficulty with convincing Expect to do what I need..
I have a loop that waits for input, a specific phrase of text followed by a single word. I need Expect to capture that word following the specific phrase. It should then store the word in a variable.
I'm fairly sure it's... (6 Replies)
Hello All,
I have a file of ip addresses called activeips.txt
What I'm trying to do is run a simple bash script that has a loop in it. The loop is a cat of the IP addresses in the file.
The goal is to run 2 nmap commands to give me outputs where each address in the list has an OS... (11 Replies)
Discussion started by: Dirk_Pitt
11 Replies
LEARN ABOUT HPUX
rwho
rwho(1) General Commands Manual rwho(1)NAME
rwho - show who is logged in on local machines
SYNOPSIS DESCRIPTION
produces output similar to the output of the HP-UX command for all machines on the local network that are running the daemon (see who(1)
and rwhod(1M)). If has not received a report from a machine for 11 minutes, assumes the machine is down and does not report users last
known to be logged into that machine.
output line has fields for the name of the user, the name of the machine, the user's terminal line, the time the user logged in, and the
amount of time the user has been idle. Idle time is shown as:
If a user has not typed to the system for a minute or more, reports this as idle time. If a user has not typed to the system for an hour
or more, the user is omitted from output unless the flag is given.
An example output line from would look similar to:
This output line could be interpreted as is logged into and his terminal line is has been logged on since September 12 at 13:28 (1:28
p.m.). has not typed anything into for 11 minutes.
WARNINGS
output becomes unwieldy when the number of users for each machine on the local network running becomes large. One line of output occurs
for each user on each machine on the local network that is running
AUTHOR
was developed by the University of California, Berkeley.
FILES
Information about other machines.
SEE ALSO ruptime(1), rusers(1), rwhod(1M).
rwho(1)