Ubuntu :: Telnet Command Returns Different Output If Launch It From Cron

May 29, 2011

I have a test socket on a server. If I connect to it using telnet, I get exactly the response I expect. So I know the socket works, and the script on the server works:

Code:
my-desktop:~$ telnet 192.168.1.1 3333
Trying 192.168.1.1...
Connected to 192.168.1.1.
Escape character is '^]'.
RAM: 90 % Free ( 2793 M free, 3082 M total)

Connection closed by foreign host. And if I script it, I get almost the same response from Telnet, but still a valid response from the socket. So I know that my script works:

[Code].....

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Red Hat / Fedora :: Different Output Of FTP Between Cron And Command Line

May 31, 2010

I have the following shell:
export PATH=/u01/app/oracle/product/10.2.0/db_2/bin:/usr/sbin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin
ftp -u -v -n -i > /bk01/exports/FTP_OUTPUT.LOG <<EOF
open 197.0.0.78
user orabackup orabackup
cd /media/disco/BK_Oracle
bin
put FILE00001.LOG
put FILE00001.DMP
quit
EOF

Executing the shell from command line, the output is:
Connected to 197.0.0.78.
220 Bienvenido al servicio FTP del servidor backup.
530 Please login with USER and PASS.
530 Please login with USER and PASS.
331 Please specify the password.
230 Login successful.
250 Directory successfully changed.
200 Switching to Binary mode.
local: EXPO_APOT10G_20100531.LOG remote: EXPO_APOT10G_20100531.LOG 227 Entering Passive Mode (197,0,0,78,200,162) 150 Ok to send data. 226 File receive OK. 127498 bytes sent in 0.0022 seconds (5.7e+04 Kbytes/s)
local: EXPO_APOT10G_20100531.DMP remote: EXPO_APOT10G_20100531.DMP
227 Entering Passive Mode (197,0,0,78,175,141) 150 Ok to send data. 226 File receive OK. 458190848 bytes sent in 6.1 seconds (7.3e+04 Kbytes/s)
221 Goodbye.

Executing the shell from cron, the output is:
Connected to 197.0.0.78 (197.0.0.7.
220 Bienvenido al servicio FTP del servidor backup.
331 Please specify the password.
230 Login successful.
250 Directory successfully changed.
200 Switching to Binary mode.
local: EXPO_APOT10G_20100531.LOG remote: EXPO_APOT10G_20100531.LOG
local: EXPO_APOT10G_20100531.DMP remote: EXPO_APOT10G_20100531.DMP
221 Goodbye.

Why from cron the output no show the statistics in red ...?

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OpenSUSE :: YaST Partitioner Does Not Start - Launch It From Command Line To Get Some Output?

Jun 4, 2011

I have a problem with YaST Partitioner. When I launch it, a window opens, a dialog (to confirm that I know what I am doing) pop-ups, I choose "Yes", the application starts to initialize, and after 0.5-1s the window is closed without any error message. Does anybody know how to at least find out what is wrong? .. or how to launch it from command line to get some output?

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Fedora :: No Output From Cron Jobs In /etc/cron.daily

Jan 29, 2011

I have added some executable scripts to /etc/cron.daily but don't get the stdout/stderr output from them as mail (or anywhere else I have found). At least one of them is running (because I can see that it has added a file to the disk).

The peculiar thing is that I do get the output from /etc/cron.daily/0logwatch (part of the logwatch package) as an email each day.

The MAILTO line in /etc/crontab is "MAILTO=root" (unchanged from default). Same for /etc/anacrontab.

I do have an alias at the end of /etc/aliases which redirects root's mail to my own account, but this alias works fine for mail I send manually. (It also appears to work fine for the output from the file /etc/cron.daily/0logwatch.)

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General :: Email Output Of Cron Command, Sends Email But No Content?

May 28, 2010

Using CentOS. I have a cron setup to run this command: Code: /var/test.sh | mail -s "Test Cron" mr182@somewhere.com The email is sent but the output of the script is not in the email body, it's just blank. I know there is some output because there are some echo statements in the script.I don't want to get an email for all cronjobs, just this one.

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General :: Access The Dbxml From The Command Line And It Returns Command Not Found?

Apr 30, 2011

I installed the Berkeley DB on the Ubuntu server and tried to access the dbxml from the command line and it returns command not found

path/to/dir/dbxml-2.5.16/install/bin$dbxml
-bash" dbxml: command not found

Can someone point me in the right direction

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OpenSUSE Hardware :: Dmesg Returns Empty Output?

Sep 29, 2010

When I type dmesg, it returns empty output.any idea why this would happen?anyone has tried fixing this problem?

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Ubuntu :: Redirect The Cron Output To Screen?

Oct 15, 2010

i got a bash script which can remind me my friends' birthday ,and i want run it as a cron job everyday,but the linux just emails me the output.Now my question is how to how to redirect the cron output to screen.

PS: when i run the script mannually ,it runs very well,so my script is good. And i have tried :

1.30 8 * * * root /home/birth.sh >/dev/console

it shows nothing

2. 30 8 * * * root /home/birth.sh >/dev/tty1

the same as 1

3. 30 8 * * * root /home/birth.sh >/dev/tty

it shows:/bin/sh: cannot create /dev/tty: No such device or address

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CentOS 5 :: Get Rid Of Awstats Cron Output

May 27, 2009

I' running awstats via

/etc/logrotate.d/httpd
prerotate
/usr/bin/awstats_updateall.pl -awstatsprog=/var/www/awstats/awstats.pl now
endscript

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Server :: Direct Cron Output In Text?

Apr 29, 2010

has no MTA (Postfix, Sendmail, Exim) installed so it can't email me the results of any cron job I schedule. I would then like to have the results from Cron be dumped into a small text file so I can read it later to view any issues.Right now my job is as follows:Code:01 18 * * * /usr/bin/shellscript.shAbove you see my script I want to run every day @ 6:01 pm. My question is what would the cron line look like if I wanted the results dumped into a random text file somewhere on my system?

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Red Hat :: Directing Cron Output To Terminal Screen?

Sep 7, 2010

I am trying to display a text using crontab. My settings :

*/2 * * * * /bin/echo "hello"

This setting sends a mail to the user, instead of displaying on the screen. Now tried changing the setting to:

*/2 * * * * /bin/echo "hello" > /dev/tty1

Now I can see the text on the screen, but this setting comes with a catch. What would happen if the user changes the terminal. for instance if he gets into tty2, he wont have write access on tty1. So the user gets a mail saying "permission denied". Is there any way that I can force the user to use a particular terminal or can a cron job be set in a way such that the user would get the text irrespective of the terminal he logs in.

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OpenSUSE :: Ssh Command Returns Error?

Feb 26, 2010

I have a service on my Suse 11 server which runs an ssh command (using openSSH) on another box.The output below is returned, but legitimate output is also returned as if the command had executed successfully. For example, the service executes an ls command through ssh, gets the error below, but also the contents of the remote directory as output. This is a problem because the service retries the command until it receives no error. I have been unable to replicate this manually from the command line. Does anyone know what might cause this or what this error really means?

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Red Hat :: Sadc Output File Creation Behavior When Run From Cron?

Jan 29, 2011

why sadc (a front end for sar data collection) would append a "?" to the output file when run from cron? And more particularly, how should I correct it? I have a RHEL 5.4 system which is doing this.e.g./usr/lib64/sa/sadc -d 10 6 /tmp/test produces output file /tmp/test when run from the command line but when run from cron the file produced is called "/tmp/test?"

Normal system logging with sysstat, which uses the same sadc command (with a couple of other options, and none of the options -d, -F, -L affect this behaviour), produces output files /var/log/sa/sadd where "dd" is the day of the month. There does not seem to be any control over this within the sysstat start-up scripts, other than use of option "-" to generate standard output files, so I expect that the dd is being done within the code. Is this associated with the "?" ?.Whatever is going on, the appended query seems to get added to everything as it still happens if I make the output file /tmp/test_$(/bin/date +\%d).Is this a bug or am I missing something fundamental about cron?

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Programming :: Setting Var Returns Command Not Found?

May 7, 2010

I have the following function, and it appears to set the var correctly, but then tries and executes the line as a command. Anyone know how to keep it from doing that?

PHP Code: SMALL_FILE_PERCENTAGE=88
MEDIUM_FILE_PERCENTAGE=10
LARGE_FILE_PERCENTAGE=2

[code]....

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General :: Command Returns Too Much Of System Time

Aug 20, 2009

I use the time command to measure the wall-clock time of a GPU implementation of an algorithm. When I time the CPU execution of the algorithm time returns a negligible sys time. However, when I time the GPU execution time returns a sys time that is around 20-30% of the total time. If that time was comparable with the negligible sys time of the CPU I would achieve a speedup of a few times higher.

I suspect that the increased sys time is because of the GPU usage, which, I assume, takes some time for the OS because of the drivers etc. I am not sure though, and it is important to figure this out because it will improve my results a lot if I can ignore the sys time and use just the user time for speedup calculations. Also, is there a way to see, in detail, what is the sys running and takes so much time. I am thinking that I might be able to see if it is the driver indeed that causes this delay.

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Networking :: How To Use Telnet Command

Sep 1, 2010

how to use telnet command

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General :: Configure A Command To Run On Login Through Telnet?

Feb 9, 2010

I want to run a command every time I log in to my Ubuntu box, but only if I'm connecting through telnet, not if I'm logging in at the console.

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Networking :: Execute A Command (ping Or Telnet Or Ssh) On Ip 192.168.0.20

Nov 25, 2010

When I execute a command (ping or telnet or ssh) on ip 192.168.0.20 it is ok.

If I execute the same command on
ip 192.168.0.020, it looks for
ip 192.168.0.18 instead of
ip 192.168.0.20

And it's the same for others ip if I put a 0 ahead last byte.

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General :: Disable Telnet Command From Client End?

Jul 20, 2011

From Linux client end I can easily telnet to a remote Linux server easily , Like :

[root@apps1 ~]# telnet 192.168.1.14
Trying 192.168.1.14...
Connected to 192.168.1.14 (192.168.1.14).
Escape character is '^]'.
catalog.aibl.com (Linux release 2.6.18-8.el5 #1 SMP Tue Jun 5 23:25:19 EDT 2007) (1)
login:

But I want to disable the "telnet" command from the client end , so that I cannot telnet to a remote linux server from the Linux client end

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General :: SSH Command Mode - Flow Of Execution Returns To Bash Shell

Aug 13, 2009

I want to use ssh to execute a command and to wait endlessly to log everything (in file) that comes as a stream of the connected server. But unfortunately, in the manual its written "If command is specified, it is executed on the remote host instead of a login shell"

So what happens is that when I specify my command:
ssh user@server "my_command"

It executed the command and the flow of execution returns to bash shell. So basically my session ends right after the command is executed. This happens only in case I specify command in the command line. If I login into ssh manually and then type "my_command", then the session doesn't end. I want the ssh not to exit, because after "my_command" executes, I want to capture everything in the session.

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Mar 15, 2010

On my ubuntu 9.10 pc i am not running a GUI.

Every thing is run from command line.

How do i start a second telnet session from command line.

Plus can i have 4 telnet session open and move from one to the next and back again.

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Feb 18, 2010

I am trying to find the difference between the above two services. Both are under xinetd and can someone please explain the difference between them (is one more secure than the other one?)

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Jul 3, 2009

I am using openSUSE 10.3.When I install software from tarball then to record time required I send output of date to beg.txt(when installation begins) and end.txt (when installation finishes).How can I append output of date to a file so I don't need two files?

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Oct 20, 2010

I am using gtk to program GUI. How can I show the output of shell command into a textbox, ex ps -efc command ?

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Ubuntu :: Launch A Root Command In The Boot In 11.04?

Jun 20, 2011

In a computer, the brightness can't be changed with the fn key (and the brightness starts at 100%) :S I can set the brightness with this command from a shell: sudo setpci -s 00:02.0 F4.B=25 In Ubuntu 10.04 worked set this command in /etc/rc.local But in Ubuntu 11.04 I did this, but it didn't work. In which file can I set a root command in the boot in Ubuntu 11.04?

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Ubuntu :: Cron Command: Runs From CLI, But Not Auto?

Mar 10, 2010

I have a script that is basically a series of rsync commands called bkup_all.sh. This script is located in the /root/ dir.From the command line (su'd as root), I can run the script like this:/root/bkup_all.sh > /var/log/bkup/bkup_$(date +%Y%m%d).logThis excecutes perfectly, and all the rsync adn script output is saved in a log file in the intended destination. However, I want this command to run automatically, so again, su'd as root I enter:crontab -ethen enter the following:00 02 * * * /root/bkup_all.sh > /var/log/bkup/bkup_$(date +%Y%m%d).logI want the script to run each night at 2:00am.But, the script does not run. There is no log file generated and I do not see anything in the syslog or system messages to indicate an error.

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Jul 2, 2011

I want to run gsettings list-schemas (which return a list of about 100 names separated by spaces)and somehow direct each name one at a time as the input to this command:gsettings list-recursivelyI've tried it with awk, and standard | piping and also as a string variable strvar=$(gsettings list-schemas) and using the $strvar as the input butam missing something in between I'm sure like for - while or proper syntax of awk etc

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Nov 13, 2010

I want to use the output of a previous command as a parameter to another command. For example: to know where "nice" is stored i typed: which nice output: /usr/bin/nice now the second command i typed is: ls -l /usr/bin/nice Is there a way to have a single command like: ls -l which nice ?

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Feb 4, 2010

I'm trying to track down a problem with the Ubuntu Software Centre.How do I launch it from the command line? or is there any command which would list any errors in the software centre package?

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Feb 22, 2010

I typed in sudo apt-get install ubuntu-desktop and it tells me it's already installed. Good. So it should work. I type sudo/etc/init.d/gdm start and the screen goes blank for 8 seconds three times in a row and then back to the command line. I have also tried gdm start without the path before and it says GDM already running. Aborting! I have 8.10 and it's a valid disk (no errors).

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