10 More Discussions You Might Find Interesting
1. AIX
I have to make a command to work when connecting to AIX 7.1 (used by an internal software).
I have a linux server L where the following command is runned ssh -t <aix-server-ip> ls
For a <non-aix-server-ip> the command runs successfully.
For AIX the terminal just gets blocked.
ssh connection... (5 Replies)
Discussion started by: ufo
5 Replies
2. Linux
Hello friends,
I work on Linux servers via SSH (putty) and run "screen" to preserve my sessions so I can attach/detach them at anytime I wish without losing the connectivity/process disruption which is working perfectly fine.
As my team members also have root access to those servers, it is... (7 Replies)
Discussion started by: prvnrk
7 Replies
3. Shell Programming and Scripting
I have a command to check the status of hostname and port number,
echo > /dev/tcp/hostname/80
echo $?
0
success case
echo > /dev/tcp/hostname/809999
I got the output
-------------------
connection timed out
It took almost 4 minutes to time out,,, how can I set it to 10 seconds?
my... (2 Replies)
Discussion started by: sam@sam
2 Replies
4. Red Hat
How is it possible to set the screensaver timeout on red hat.
For solaris I understand it is :
for file in /usr/dt/config/*/sys.resources; do
dir=`dirname $file | sed s/usr/etc/`
mkdir -p $dir
echo 'dtsession*saverTimeout: 10' >>$dir/sys.resources
echo 'dtsession*lockTimeout: 10'... (0 Replies)
Discussion started by: alvinoo
0 Replies
5. AIX
Friends,
Could anyone let me know - how to set the timeout value for ssh session to HMC? My HMC version is -- V7R7.4.0. I'm sure the version doesn't have anything to do with it.
Thanks,
-- Souvik (2 Replies)
Discussion started by: thisissouvik
2 Replies
6. Shell Programming and Scripting
SSHing into a machine can take a few seconds, but after I'm in, the commands return quickly. I was wondering if the timeout setting can be changed once I'm logged into the machine. Does anyone know if this can be set on the fly? The problem here is, if I have to set timeout = 10, it'll take 10... (1 Reply)
Discussion started by: mrwatkin
1 Replies
7. UNIX for Dummies Questions & Answers
I've created a script that checks the health of a piece of equipment out in the field by first establishing that it is pingable, and then parsing
log files to gather information. Today I realized that there are times where the equipment may be pingable, and will not show any
immediate issues in... (1 Reply)
Discussion started by: DeCoTwc
1 Replies
8. Shell Programming and Scripting
When I run a script where the 1st parameter is ip address
ftp -n -i -v $1
I hang here if the ip is wrong
how to set a timeout something like
if (20s not complete "ftp -n -i -v $1") then
echo "error"
fi
Thanks a lot. (14 Replies)
Discussion started by: uativan
14 Replies
9. Shell Programming and Scripting
Hi all,
I want to set a timeout say 10 sec to shh prompt i.e. if no password is enetered for 10 sec prompt should again come to shell.
How can this be achieved ??
I am using Linux RHEL 5 and Solaris 10.
Pls help.
Thanks in adv.
VIKAS (3 Replies)
Discussion started by: vikas027
3 Replies
10. Programming
The scenerio is:
1. A server listens on a port number
2. If the server is down and the Client tries to connect
3. How to set the timeout for the client
Detailed explaination:
In a client server architecture over a TCP/IP, normally the server is started first which waits and listens for the... (1 Reply)
Discussion started by: shilpi_gup
1 Replies
SHUTDOWN(8) BSD System Manager's Manual SHUTDOWN(8)
NAME
shutdown, poweroff -- close down the system at a given time
SYNOPSIS
shutdown [-] [-h | -p | -r | -k] [-o [-n]] time [warning-message ...]
poweroff
DESCRIPTION
The shutdown utility provides an automated shutdown procedure for super-users to nicely notify users when the system is shutting down, saving
them from system administrators, hackers, and gurus, who would otherwise not bother with such niceties.
The following options are available:
-h The system is halted at the specified time.
-p The system is halted and the power is turned off (hardware support required) at the specified time.
-r The system is rebooted at the specified time.
-k Kick everybody off. The -k option does not actually halt the system, but leaves the system multi-user with logins disabled (for all
but super-user).
-o If one of the -h, -p or -r options are specified, shutdown will execute halt(8) or reboot(8) instead of sending a signal to init(8).
-n If the -o option is specified, prevent the file system cache from being flushed by passing -n to halt(8) or reboot(8). This option
should probably not be used.
time Time is the time at which shutdown will bring the system down and may be the case-insensitive word now (indicating an immediate shut-
down) or a future time in one of two formats: +number, or yymmddhhmm, where the year, month, and day may be defaulted to the current
system values. The first form brings the system down in number minutes and the second at the absolute time specified. +number may
be specified in units other than minutes by appending the corresponding suffix: ``s'', ``sec'', ``m'', ``min''. ``h'', ``hour''.
warning-message
Any other arguments comprise the warning message that is broadcast to users currently logged into the system.
- If '-' is supplied as an option, the warning message is read from the standard input.
At intervals, becoming more frequent as apocalypse approaches and starting at ten hours before shutdown, warning messages are displayed on
the terminals of all users logged in. Five minutes before shutdown, or immediately if shutdown is in less than 5 minutes, logins are dis-
abled by creating /var/run/nologin and copying the warning message there. If this file exists when a user attempts to log in, login(1)
prints its contents and exits. The file is removed just before shutdown exits.
At shutdown time a message is written to the system log, containing the time of shutdown, the person who initiated the shutdown and the rea-
son. The corresponding signal is then sent to init(8) to respectively halt, reboot or bring the system down to single-user state (depending
on the above options). The time of the shutdown and the warning message are placed in /var/run/nologin and should be used to inform the
users about when the system will be back up and why it is going down (or anything else).
A scheduled shutdown can be canceled by killing the shutdown process (a SIGTERM should suffice). The /var/run/nologin file that shutdown
created will be removed automatically.
When run without options, the shutdown utility will place the system into single user mode at the time specified.
Calling ``poweroff'' is equivalent to running:
shutdown -p now
FILES
/var/run/nologin tells login(1) not to let anyone log in
EXAMPLES
Reboot the system in 30 minutes and display a warning message on the terminals of all users currently logged in:
# shutdown -r +30 "System will reboot"
COMPATIBILITY
The hours and minutes in the second time format may be separated by a colon (``:'') for backward compatibility.
SEE ALSO
kill(1), login(1), wall(1), nologin(5), halt(8), init(8), reboot(8)
HISTORY
The shutdown utility appeared in 4.0BSD.
BSD
December 15, 2014 BSD