General :: Tomcat - Why Does 'ls' Command Return Some Results In [squarebrackets].jar
Nov 25, 2010
Below is an example output of what I see when I run the 'ls' command on some directories in linux (this is from a tomcat/common/lib directory). However I'm not clear on why some of the filenames are appearing inside [square brackets]
-rw-r--r-- 1 root root 1038825 Aug 30 2006 [ant].jar
-rw-r--r-- 1 root root 566376 Apr 1 2008 [commons-collections].jar
-rw-r--r-- 1 root root 107392 Aug 18 2006 [commons-dbcp].jar
[code]...
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Apr 6, 2010
I'm timing how long it takes to run a command foo. I'm looking to append the results from the time command to a file, and discard the results from the foo command. I tried the following, but it didn't do what I want:
$ time ./foo > /dev/null >> output_from_time_command.txt
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Sep 14, 2011
In my .bashrc I have the following lines to turn on colors for grep and ls alias ls='ls --color=auto'export GREP_OPTIONS='--color=auto'.I've tried changing the alias to export LS_OPTIONS='--color=auto' but that doesn't work.Is there anyway to use an export instead of alias. And are there actually any benefits to one way over the other?
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Feb 20, 2010
If I do something to the effect of this:ldapsearch -b "dc=example,dc=com" -x -z 3000
I'll get this back at the end of the result set:
# search result
search: 2
result: 4 Size limit exceeded
The thing is is that I have way more (thousands) than what's being displayed here. And I've tried to mess around with /etc/ldap.conf, changing the SIZELIMIT directive to something else, 10000, let's say, and restarting the server, but the same goddamn thing happens.
I've been messing around with this for quite some time now, hopefully someone will be able to shed some light on this so that I can learn my way out of this mess that is LDAP. Also in a related matter, I'm running Mint (based off of Ubuntu), and all the documentation that I've seen (probably read a good 100+ pages in a few days now on this) keeps telling me to make changes to my slapd.conf file. What slapd.conf file? It doesn't exist, I can't find it at least. find / -name slapd.conf turns up nothing.
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Sep 19, 2011
Every time I need to start or stop Tomcat, I am navigating to:
/Tomcat_Dir/bin
and once I am in the folder I enter:
./Startup.sh
And to stop the server, I navigate to the same directory and enter:
./Shutdown.sh
I was wondering if there was a way in Linux to alias the above described process, so that from any location in the filesystem, I can simply type in something like
StartTomcat or StopTomcat to perform the Startup and Shutdown of the web-server?
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May 9, 2011
Friends currently we are accessing tomcat manager using web page ]
http://localhost:8080 ,
is it possible to start the tomcat manager using command prompt!
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Jan 13, 2010
I'm trying to get a return value from the command running within screen. I have tried
Code:
screen "some_command ; echo $? > retval"
but this refuses to write "retval".
[code]....
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Nov 7, 2010
What is a Linux command that I can run to programmatically return either 32 or 64 to indicate whether the processor is a 32 bit or 64 bit processor?
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May 2, 2011
getting a error return code for useradd commandthe return code is 1cite or tell me the explanation of return code 1 .
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Mar 31, 2011
I need to get a return code for the command ldapmodify.I try this and didn't workrc=ldapmodify -a -v -c -p $PORT -h $SRV -D cn=$USR,cn=Users,dc=company,dc=com -w $PWD -f $LDIFFILENAMECOUNTecho "return code " $rc what exactly the way to get the return code of that ?
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Feb 18, 2011
How can I pass carriage return to a command. I am writing a shell script whcih generates ssh key pair. It ask for input from user three times. I want to pass carriage return (ie. press Enter button) to this command. Is tehre any way
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Nov 26, 2010
This question may be silly and super easy for linux connaisseurs, but I was just wondering, for instance, I want to use the >find command to search for a file and send the results to a text file
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Jul 28, 2010
How to output to a text file the compound command:
Code:
find -type f -print0 | xargs -0 grep -l "desired text"
I have not been able to find the answer.
[code]...
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Jul 16, 2010
how to include my command results in a script? Basically what the script does is it checks the status of a service within the linux server, then sends an email when done. I want to include the results of my status check to my mail when sent.
i.e.
service dhcp3-server status Status of DHCP server: dhcpd3 is running. <---this I want to include in the mail that is sent out via script.
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Jan 22, 2010
I wanted to supply mplayer with the output of find command as arguments. The error returned showed spliced names of files whenever spaces occurred. I have subdirectories in my /home/my_user_name/Music/ directory, and in them multiple *.oga music files. The actual command that I issued was
Code:
mplayer $(find /home/my_user_name/Music/ -name "*.oga")
mplayer started but then was looking for broken file names. I am thinking quoting has to do with it to preserve the filename as one string but different attempts were met with inroads:
Code:
mplayer `find /home/my_user_name/Music/ -name "*.oga"`
gave me the same result and
Code:
mplayer `"find /home/my_user_name/Music/ -name *.oga"`
complained about wrong mplayer syntax.
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Aug 12, 2010
Is there a command line option that will allow less to return to the command line if there are not sufficient lines in the file to warrant paging.
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Oct 5, 2010
I scheduled a job, 'ls -a', with the at command, 3 minutes in the future. It looks like the job ran, but I cannot see the results of 'ls -a'. I accessed my mail with the 'mail' command and saw that the output of my scheduled job was message 1. I typed in '1' after the & prompt, and saw that the subject of the message was the output of my job, scheduled at the time specified with the 'at' command. I cannot see the output of the 'ls -a' command that I scheduled though. How do I see the contents of the message, and the actual output of the job.
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Jan 11, 2010
I am testing the serial ports on a Single Board Computer(SBC) running Linux kernel 2.6.29. I usually do this by connecting the serial port to another PC serial port, then doing "cat /dev/ttyS0" on PC and "echo hello > /dev/ttyS0" on the SBC. However in the current system, "echo hello > /dev/ttyS0" command does not return at all! Also no characters appear on the destination port. I am running the echo command as root. The system boot messages show that the serial port in indeed /dev/ttyS0.
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Jul 15, 2010
It sure looks not quite sorted to me. See lines 3 and 4.
Code:
altair/root /root 250# sort -k1 < files.out | head -6
/bin base-files
/bin bash
/bin/bash bash
/bin bsdutils
[Code]...
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Dec 11, 2010
trying to see IF i dont get the right results repeat the command until it will or quit after 3 tries....
expect -exact "->"
send -- "test_read_register 0,0x37
"
if {! [regexp {Address 0x00000000} do send -- "test_read_register 0,0x37
[code]....
It should read
Read: Address 0x00000037, Data: 0x0000000b
but sometimes it comes out to this
Read: Address 0x00000000, Data: 0x00000000
therefore ill have to run the command again IF I Dont get the right results...
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Feb 19, 2010
I am writing a short script to do some backups.Here is a small section of it:
Code:
echo -n "Please enter your choice ..."
read CHOICE
[code]....
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Jul 21, 2010
I'm creating a usb device driver that needs to be able to read from two different endpoints. I couldn't see any way of having two read functions in the driver, so I got round this by reading from one of the endpoints with read, and the other with ioctl.However this hasn't worked, the ioctl call from c returns -1. I added a printk command in the driver in the ioctl function, however looking at kern.log I can see that this function is never being called. Does anyone have any ideas as to what the problem called be, or a better method of being able to read from two different endpoints?
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May 26, 2010
i wonder if it is usual that the results of running commands via the command line is different from running them in a script file. my problem is that, i've to run 'modprobe -r e100' and 'modprobe e100' before suspend my machine via pmi in order to resume it properly. i wrote a script containg EXACTLY the same commands as i typed in the terminal/console but the result was not the same. the machine cannot be resumed as expected if i run the script file.
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May 2, 2011
When I shutdown my server it seems to lock up. I use ssh for a headless unit and I can reboot fine, but I told it to shutdown and disconnected me and stopped logging (as far as I can tell) and then nothing. The lights stayed on and I had to press the power button. Is there a way to keep the logger running or to look someplace other then messages. I'm not great with logs.
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May 25, 2010
Normally one can start the Jboss with
Code:
./run.sh -c server-name
But in this way the command console will keep hang. Now I want to write a script which calls u this command and return back to the command console. Here is what I wrote but it doesn't return back to the command console:
Code:
#!/bin/sh
MSGBP_HOME="/opt/jboss/MSGBP"
case "$1" in
start)
[code]...
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Feb 18, 2011
How can I pass carriage return to a command in the shell script. I am writing a shell script whcih generates ssh key pair. It ask for input from user three times. I want to pass carriage return (i.e., press Enter button) to this command.
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Mar 11, 2011
I am trying to get the correct CPU usage using top. I ran collectD and I got different results.This especially happens when the CPU usage is close to 100%.Has anyone experienced having the top command report different results than other CPU usage utilities?
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Jan 17, 2011
To put it simply I want the egrep command to return matches for a group rather than the whole pattern itself.For example:
Code:
egrep "reals([0-9]+?m[0-9]+?.[0-9]{3}s)" tmp
returns
"real 0m1.001s"
But I want it to return just "0m1.001s", the portion is the group. I can just apply egrep to whatever the first command returns but is there an easier way to do it?
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May 18, 2011
How to manage the find command to return true or false if a file was found/or not? I tried to man find but didn't found anything.
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Jun 14, 2010
I'm trying to send the results of a command line $du --max-depth=1 to a zenity message box.I want to create a .sh script that I can run as a Nautilus script that will open a zenity message box with a listing of sub-folders/sizes. $DU with options, will provide the results in a terminal window, but I can't seem to get it into a zenity message box. I've tried gxmessage also, but no go.
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