Questions tagged [ksh]
Ksh is the executable name for the Korn shell developed by David Korn at AT&T Laboratories in the early 1980s. It is commonly used in Solaris and is favored for its ability to use Emacs and Vi shortcuts at the command line.
58
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how to make a shell execute with suid
I'm trying to suid a shell and it's not working. I need help understanding why, and how to fix it...
I'm following these steps (as root)
cp /usr/bin/bash /usr/bin/bash-emergency
chmod 4755 /usr/bin/...
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1
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0
answers
83
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KSH/Bash History for jailed SSH users
How can I keep a history of activities for chroot'd SSH (not SFTP) users?
I've tried:
created a .sh_history in their home with the proper permissions
created a custom $HISTFILE in .profile and in its ...
- 127
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2
answers
133
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Exclude certain disk in dd command script for disk erasure
for disk in $(lspv | awk '{print $1}') ; do
dd if=/dev/zero of=/dev/${disk} bs=1024 count=$(bootinfo -s ${disk})
echo $disk wiped
done
How do i exclude certain disks like hdisk0,hdisk1 and ...
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4
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2
answers
5k
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How to identify ancient KornShell version?
We had a guy retire on us, and the documentation left behind is a little on the light side. Need a little help identifying and using part an older client-server system.
The server itself is ...
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-2
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1
answer
555
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Execution "df" command on AIX with the bash
it's very strange that when I am executing df command on AIX with bash like
bash -c "df /" I suppose it will be executed like on Linux, but still the result is same like korn shell. Please give me ...
0
votes
1
answer
100
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Get error "ksh.exe has crashed" when run the command in msys open with admin
When I open msys without admin option on windows server 2008/2012 and run "jbossctl status" command it gives me correct output.
But, when I run the same command in msys opened with admin option it ...
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2
answers
5k
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linux + how to identify if file is pointed by link/s
I create new file called - 192.9.200.1
touch 192.9.200.1
then I create new link that will be pointed to 192.9.200.1 file
ln -s 192.9.200.1 file
so finally I get:
ls -ltr /tmp
-...
- 2,433
2
votes
2
answers
19k
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sed + how to remove the last string after specific character
how to remove the last string after "." character include the "." character itself
implementation can be with sed under Linux/Solaris operation system
example of IP address before change
192....
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3
votes
2
answers
3k
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rm + how to remove file with special Characters [duplicate]
I have this file in my linux machine:
----------9976723563nneh4_-----192.9.200.4
I try to delete this file but I cant as all see here:
what need to add to rm in order to remove this file ?
rm "--...
- 2,433
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2
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3k
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linux + delete duplicate IP's from file
what the best way to remove duplicate IP's from file
I use the command:
sort file | uniq
but I am not sure if this is the best way , maybe I missed something?
remark: my file contain two ...
- 2,433
1
vote
1
answer
2k
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Linux + exit status from Perl one-liner code
I use Perl one-liners in my ksh scripts.
Sometimes it's necessary to get an exit status from the Perl one-liner in order to verify if the Perl one-liner succeeded or not.
For example, I need to ...
- 2,433
1
vote
2
answers
1k
views
re-create new link and remove the old link on one command
according to ln manual page:
man ln
-f, --force
remove existing destination files
so as I understand if I want to re-create new link to some destination directory/file
I can ...
- 611
2
votes
1
answer
967
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AIX 7.1 .kshrc ignored
I've created .kshrc file in my home directory, but all my custom settings are ignored. ENV variable is not set. How can I force ksh to read .kshrc?
Here is my .kshrc:
set -o emacs
export PATH=$...
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-1
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2
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1k
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linux/solaris insert date & time at the beginning of each line in file
I want to add date & time at the begging of each line in some file
I used sed in order to add the date & time before each line in file
please advice what I need to update in my sed in order ...
- 2,433
-2
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1
answer
1k
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case + how to implement equal or less or greater in case syntax
my target is to verify the range of number with (only with - case + esac ) , and print the range
so for example
if number is between 0-80 , case will print
>=0<=80
or if range is ...
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-3
votes
2
answers
304
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perl one liners + add empty line after the last line [closed]
please advice
what need to change in the perl syntax in order to add new empty line after the last line?
example
IP_INFO=12.23.2.1
echo IP= | perl -pe "s/$/$IP_INFO/" 1>>file
.
...
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0
votes
1
answer
626
views
grep to IP address when IP address in parameter
I need to grep to IP address ( as the following example )
, I use ksh script ,
# ifconfig -a | /usr/xpg4/bin/grep "100\.106\.2\.120 "
inet 100.106.2.120 netmask ffffff00 broadcast 100....
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1
vote
2
answers
4k
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how to see process status with full details
I run the script - my_script.ksh as process with 5 long arguments
on my solaris/linux machine ( example 1 ) ,
Later I verify the process by
ps -ef | grep my_script.ksh
I don't understand way ...
- 2,433
178
votes
8
answers
400k
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How do I sleep for a millisecond in bash or ksh
sleep is a very popular command and we can start sleep from 1 second:
# wait one second please
sleep 1
but what the alternative if I need to wait only 0.1 second or between 0.1 to 1 second ?
...
- 2,433
-1
votes
2
answers
576
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shell: create Shortcut command (alias or function) for working with IP address as arguments
I am not sure if I performed the following illegal or true
but what I need is - to create set of ready commands
so if I need to use , for example to match IP address with 4 octet
I can use the ...
- 2,433
-3
votes
1
answer
234
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linux + count how many digits in IP address [closed]
I write the following syntax (exist in my ksh script) in order to find how many digits I have in IP address
IP_address=127.1.1.1
echo $IP_address | sed s'/\./ /g' | wc | awk '{print $2}'
4
.
...
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0
votes
3
answers
781
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grep + Regular Expressions to match uniq number
My target is to verify if $FILE is a backup file ( backup file ended with xxxx.xx.xx.xx number
Example of backup files
ls /etc/VRTSvcs/conf/config
main.cf.17Dec2012.09.10.14
main.cf....
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1
vote
1
answer
595
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Logging commands executed by remote shell scripts
I've noticed that when running a script that connects to a number of our servers (to essentially run batch commands) that the commands aren't logged in the user's .sh_history or .bash_history files. ...
- 11
-3
votes
2
answers
1k
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linux + solaris + delete all characters in file except numbers and dot char [closed]
please advice how to delete all characters in file except numbers and "."
Should be implemented by sed or awk or perl ( one line ) or any other idea , so I will add the syntax in my ksh script
...
- 2,433
2
votes
3
answers
291
views
linux + match only VALID IP from text file into other file
please advice how to match only the valid IPs ( 255.255.255.255 )
from the file.txt
and insert only the valid IP into VALID_IP.txt file
( see VALID_IP.txt for example )
the solution should be ...
- 2,433
1
vote
2
answers
225
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ksh + match and verify two strings in single line
how to match the words linux1a and linux1b from single line ? ( should be performed by ksh )
list="solaris1a Auto global linux1a linux1b"
echo $list | .... ?
my target is to find that ...
- 2,433
1
vote
1
answer
3k
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expect script + how to perform case in expect script
the following expect script target is to print the hostname name from linux/solaris machine
and according to hostname results expect script will run linux.ksh or solaris.ksh script
expect_sun_script=`...
- 2,433
0
votes
1
answer
2k
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expect script + write "if" in expect script
please advice what's wrong with my exepct syntax ( I run expect in ksh script on Solaris 10 machine )
I want to verify if OS is linux
so if it true the expect check if prompt is "#" or ">"
and ...
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0
votes
1
answer
99
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Weird behaviour with ksh?
So I found something somewhat interesting in ksh. I found that if the last character is \, then immediately backspace, the charcter becomes recplaced with ^H. I am then able to press backspace again ...
- 6,990
-1
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1
answer
1k
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linux + print message on the screen after login to linux machine
I have linux machine red-hat 5.1
I want to write ksh/bash script that perform the following
Each time that someone login to the linux machine
then he will get the following message on the screen - ...
- 2,433
1
vote
0
answers
812
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Automate an interactive command which use /dev/tty
well pretty much it's in the title.
I've a interactive command. This one ask for a password through /dev/tty. I use this command within a shell script. So the command should read the information ...
- 121
3
votes
3
answers
8k
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Delete key not working when PuTTYed in to AIX box using Korn shell
I manage an AIX box at work using PuTTY. I'm using ksh in vi-mode. When I press the Delete key (not backspace) the case of following characters is toggled instead of the character under the cursor ...
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-1
votes
3
answers
329
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linux + generate new file with specific structure from text file what the best option
in my Linux machine I have the file orig-file.txt
this file include now 4 fields but they could be less or more ( this file generate by other application )
I need advice - what the best option to ...
- 2,433
13
votes
8
answers
8k
views
executable in path, findable by which, yet cannot execute without fully qualifying path?
I've got a bizarre seeming shell issue, with a command in the $PATH that the shell (ksh, running on Linux) appears to cowardly refuse to invoke. Without fully qualifying the command, I get:
# ...
- 375
5
votes
2
answers
4k
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expect + how to identify if expect break because time out?
The target of the following simple expect script is to get the hostname name on the remote machine
Sometimes expect script fail to perform ssh to $IP_ADDRESS ( because remote machine not active , etc ...
- 611
1
vote
2
answers
636
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Script SCP without certificates or expect
I need to script SCP and I need to be able to do this by passing in the password in plain text. I am absolutely aware of the horrible design pattern that I am asking for. I cannot use certificates for ...
- 301
3
votes
1
answer
230
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shell script (KSH) + set file to param & perform test between param and string
in my linux machine red-hat 5.1 - in ppp file - I have only the signature.pl string !!!
remark - third application write the signature.pl string in to ppp file
I set ppp file in $a param
And ...
- 611
0
votes
1
answer
288
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Lock down Solaris Shell Changing for normal users
I have a few dozen Solaris(5.10) boxes. By default, they are using ksh as the shell. Only a few users have sudo privileges. The rest do not. I don't want my regular users changing to another shell.
...
- 1,112
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3
answers
105
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shell script + match MAJOR and CRITICAL strings from log file
I need to match lines that have MAJOR and CRITICAL strings
that comes after the word ERROR:< any integer number >
please advice how to do that with one awk or sed command?
more HW_Log.txt
...
- 611
0
votes
1
answer
243
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ksh + print the last value from parameter ( as $_ in perl)
I need advice - how to print the same last value in ksh scripts without to print param argument
for example in perl last value is $_ , but we not have this option in ksh script
example - of ksh ...
- 611
0
votes
2
answers
2k
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svn: Too many arguments to import command
Having a problem with the --message flag to the svn import command. On some servers it works, but on others it gets confused if the message contains spaces, even if you single or double quote the ...
- 469
0
votes
1
answer
1k
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linux + run script on other shell because script stuck - not return to linux prompt
In my Linux machine I have binary script (called transferNames.bin )
The problem is that when I run transferNames.bin with &
script stuck and not returns to Linux prompt “#”, even if I wait 1 day ...
- 611
2
votes
4
answers
14k
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linux + create simple watch dog process in shell script
I need to create watch dog process (will run in linux version 5.x)
that look all time on /etc/cluster.cf file
And if the process matches the string: machineA_is_active in the cluster.cf file
Then ...
- 611
1
vote
2
answers
261
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Solaris 8 - directories gone missing; is this housecleaning script the culprit?
Our outsourced IT service provider runs the following script via cron to clean up Oracle core and trace files. It clearly is not a well-written script, but my question for the Serverfault crowd is ...
- 11
1
vote
1
answer
134
views
shell script + add inside the script PATH for standard output
Usually if we want to redirect script output to file we simply do
/etc/create_connection.sh > file.debug.txt
Or
/etc/create_connection.sh | tee –a file.debug.txt
But What I want is ...
- 611
1
vote
1
answer
2k
views
What version of ksh ships with AIX 5.3?
I'm writing a Korn shell script for a client, who will use it on AIX 5.3. For testing, I'm using version 93u-1 Debian Wheezy. Is this the same version as the one I'll find on AIX?
- 1,271
2
votes
2
answers
182
views
What do the 2 leading underscores indicate in these alias lines for .kshrc?
I am configuring ksh88 on AIX 5.3L and came across a few lines that are supposed to enable the arrow keys for command history navigation.
alias __A=$(print -n "\020")
alias __B=$(print -n "\016")
...
- 179
3
votes
2
answers
2k
views
Preventing bash (and ksh) history alteration in Linux
From the looks of things, fixing ksh to make history alteration impossible is fairly easy. I've seen all the recommendations to make HIST* environment variables read-only, and the use of chattr to ...
- 4,590
1
vote
2
answers
97
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ksh93 esc-esc complation
Does anyone know how to set esc-esc completion? I've installed ksh93 from ports on FreeBSD.
set -o vi NOR set -o viraw have any effect
Thanks
- 11
2
votes
2
answers
1k
views
ctrl-v key on AIX
I'm new to AIX and I miss some tricks that work well on other *nix flavors.
I need a CTRL sequence in a ksh scripts, like ^[ (CTRL-[) and to do that I'm habit to use the ctrl-v [ , but here it doesn'...
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