CPU time is less because the system gives the CPU to all processes in some rotation. If you do normal, synchronous, blocking I/O, it will take back the CPU while the I/O is being completed.
We are having issues with our Postfix. The POP and IMAP services randomly stops working an sent e-mails return a "Command time limit exceeded".
We've found out that running these command fix the problem:
service cyrus-imapd stop
rm /var/lib/imap/tls_sessions.db*
rm... (2 Replies)
Hello,
I am using VirtualBox to simulate a small network with two Linux computers, the host is Mac OS X. My problem is that I can't send "write" and "wall" messages from the host to one of those Linux computers.
Here is what works:
- The virtual Linux computer answers "ping" messages that have... (5 Replies)
Hi,
when i grep for the process "XYZ" , there will be some good number of processes with that name, i want to kill all the these processes at a time using shell script?
Any help needed for this action.
Thanks
Regards,
Anil (6 Replies)
Dear friends, following is the output of a script from which I want to remove spaces and new-line characters.
Example:-
Line1 abcdefghijklmnopqrstuvwxyz
Line2 mnopqrstuvwxyzabcdefghijkl
Line3 opqrstuvwxyzabcdefdefg
Here in above example, at every starting line there is a “tab” &... (4 Replies)
Hey all,
I have a shell that invokes a AWK.
In this AWK i want invoke a function that receives 3 parameters:
date: 20080831
time: 235901
duration: 00023
that function receive this 3 parameters and sum to this value two more seconds:
2008083123590100025
Remember that in case that... (3 Replies)
Hi,
Can anyone suggest a Unix command or c-shell algorithm to simulate to behavior of "wall" command minus the "all users"? What I'm trying to do is to send a notice to just one particular user but i dont want other remotely-logged-on users to receive the message (on the pseudo-terminals). I... (6 Replies)
Hi,
I understand that the ls command with "-l" option generates the "last modified time" of specific directory.
However, some generated results displayed the "last modified time" with detail about the last modified year, for example:
-rwxrwxrwx+ 1 smith dev 10876 May 16 2005 part2
... (6 Replies)