All Questions
16
questions
0
votes
0
answers
48
views
Noticed very large space utilisation in linux LVs, how to find which file or what is responsible here?
I have two disks in my server with a LVs created and issue is on the one mounted on /.
I am aware of using find and sort to output the largest for some given number of lines.
like:
find / -type f -...
- 1
0
votes
1
answer
1k
views
How can I correctly run a java batch application (a .jar application) in background on a Linux machine?
I am not a system engineer (I am a software edeveloper).
I have to run a Java application (a runnable .jar file) on a Linux machine (Centos 7). I am connecting to a shell via SSH.
This application is ...
- 7,201
-2
votes
1
answer
1k
views
Getting an error when attempting to install Homebrew on CentOS 7: “Error: Unknown command: shellenv���
I am trying to install brew on CentOS 7 and get the following error:
[jalal@goku ~]$ git clone https://github.com/Homebrew/brew ~/.linuxbrew/Homebrew
Cloning into '/home/grad3/jalal/.linuxbrew/...
- 737
1
vote
1
answer
78
views
How to preview variable substitutions for a command?
u2api --zuser="$USER" --outfmtput=json SQL create_database name=$DATABASE
I would like to easily (e.g. no escaping if possible) print the resulting command instead of executing it.
Is there any ...
- 681
0
votes
1
answer
145
views
store into variable a sudo result
I have this simple script
#!/bin/sh
ISUP=`sudo /etc/init.d/jboss7 status | grep running`
echo "ISUP: " $ISUP
if I run it manually it works fine
[jboss@suc072-ipos ~]$ sh a.sh
ISUP: JBoss AS 7.1.1 ...
-1
votes
2
answers
293
views
formatting output in bash shell to remove special characters - linux
I am issuing the command below against a logfile
grep "Oracle Audit" /var/adm/messages | awk '{print $6}'
How do I format the below output
Audit[9460]:
Audit[10507]:
Audit[10507]:
Audit[10507]:
to ...
- 1,625
4
votes
2
answers
4k
views
bash script.sh vs ./script.sh vs #shebang
Assuming i am in a bash shell now and i execute the following
[me@server]$ bash script.sh
q1) Is a new child bash process created to execute the script ?
If i do a
[me@server]$ ./script.sh
q2) ...
- 1,625
53
votes
3
answers
115k
views
Difference between ${} and $() in a shell script
$ echo $(date)
Thu Jul 2 16:33:11 SGT 2015
$ echo ${date}
$ name=foo
$ echo $(name)
ksh: name: not found
$ echo ${name}
foo
Seems like ${variable} is the same as $variable, while $() is to execute ...
- 1,625
1
vote
1
answer
3k
views
echo "something" > file not working when sh script is being executed by remote PHP server
I've got a web-server with my hardcoded webpanel for Source server management and I've got my VPS on CentOS which doesn't really want to execute sh script when asked from remote server.
Web-server ...
- 11
0
votes
1
answer
5k
views
chsh doesn't change shell
I'm using CentOS 6.5, and the chsh command does not work. I've tried under my account and as root, each time using both the full argument chsh -s /bin/tcsh and using just chsh and following the ...
- 1,299
1
vote
1
answer
122
views
How to fix.. my watch --interval=60 isn't working properly
Here is the code I use in my CentOS 5 32bit.
But after this I see only some of files are zipped and a lot of them isn't included in produced gzip file.
nohup watch --interval=60 tar -zcvf /home/C/`...
- 11
1
vote
1
answer
132
views
How interact in for with bash?
I know this must be sound a weird question, but for me, that always developed in C, C++ and Java (and now in bash) seems more weird tough.
I'm trying to check if md5 and filename from two list (one ...
- 1,381
2
votes
2
answers
2k
views
Why there is difference between output of linux command du and ls?
I have a file in linux machine whose size is 3404494030 upon doing "ls -l". When I do "ls -lh" it shows 3.2 GB which is correct when converted from bytes to Gigabytes. But when I do "du -h" for the ...
justin waugh
2
votes
1
answer
13k
views
linux shell installing packages automaticc
I want to install packages automatically by running a script
I can write
yum install php
but I want it to install another package once installation of the php package is completed
Is there any ...
meWantToLearn
15
votes
3
answers
97k
views
how can i install CentOS 6 without the gui?
i just downloaded the centos 6 live cd and i tried installing it on virtually and i am never prompted to install centos with/without gui and its all automated. what happends is after i am booted into ...
- 639