General :: Ubuntu - Cannot Execute Basic Commands (ps, Ls, Ifconfig) - File Not Found
May 4, 2011
When I try execute a variety of basic commands (including ps, ls, ifconfig, locate), I receive the error 'no such file or directory'.
Here are some suggestions that I've found online, that I have tried without success: I did a 'whereis ps' and found the file in the /bin/, and have checked that '/bin' appears when I do 'echo $PATH' I did a filesystem check which showed my hard drive as being clean I tried doing a 'sudo chmod 777 ps' but was told that I dont have permission. I don't think permissions for these files would have changed though (and I can't check as I can't run the 'ls' command).
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Nov 10, 2010
My new VPS is running Debian 5.0 (bash 3.2.29), and some commands seems to be missing. For example the ps command is not here, neither is ls (but dir works). Is there a package missing or what's the deal?
:~# type ps
ps is hashed (/bin/ps)
:~# ps
[code]....
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Feb 17, 2011
I'm looking to, all in the course of one batch file:
ssh into a remote computer execute commands (per the batch file) on the remote host.
What options do I need to add to the ssh invocation so that the batch file executes the lines following the ssh invocation over the connection?
e.g., with sftp it's simply adding a -b /dev/stdin and then << EOF at the end; how do I do this with SSH?
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Feb 2, 2011
i am working on some kind of PBX and i have list of telephone numbers inside a file, i have to insert these numbers into the correct command and then telnet to a remote server and execute these commands. i can read the telephone numbers and insert them into the command with no problem, but when i try to insert these commands into the send i face problem. here is the basic code
#!/bin/bash
read msisdn < input
string="ZZZZ:MSISDN=$msisdn;"
[code]....
i can make external loop inside the Bash which read the input file and issue the command and then telnet and execute, but this will make the script connects and disconnects again for each line which cause high load on that server and hardwar problem. i am wondering if there is an option inside the expect interperter which makes the send read directly from a file... somthing like this:
expect "<"
send "input-filename
"
expect "<"
expect eof
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Aug 16, 2010
since a recent upgrade to Mandriva 2010.1 I am not able to 'sudo' as administrator or when I use the 'root' password. I am the only user on this machine (Dell Inspiron 530S multi-booted with Window's Vista Home Premium, Ubuntu 10.4, and Mandriva 2010.1). I can get into the 'Manage Users' section of the control center by authenticating as 'root' but I can't access 'sudoers file' from command line.
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Jul 1, 2010
when i tried to execute commands in TERMINAL i found these "~" "/" at the end of the path (user@hostname~ | user@hostname/) what does it mean and what is ~ and / ?
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Feb 6, 2011
what r the distribution terms of linuxwhat r the advantage of oprn sourcewhat r the bassic commands of linuxwhat r the directories of linuxwhat is file system in linux
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Feb 26, 2010
i donot know basic commands used in terminal as to install,, to remove a software etc
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May 30, 2011
recently I did some changes to my bashrc file the changes are as follows
export JAVA_HOME=/usr/java/jre<version>/bin/
export PATH=$PATH:/usr/java/jre<version>/bin
now I'm unable even login to the OS.
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Aug 23, 2010
I am usually sshed into different boxes and i forgot what ip I am logged into sometimes. Is there a command I can type to give me the ip on the box I am on.
cat /etc/*release
CentOS release 5 (Final)
this failed
ifconfig | more
bash: ifconfig: command not found
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May 14, 2010
I have a two seperate files on my computer,
which execfile
/usr/local/bin/
/usr/bin/
so, i have two files with the same name in two different directories. How can I specify exactly which command to run?
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Jun 23, 2010
I just want to know that how can I execute a example.sh (script) from command-line like other Unix commands. Please write full procedure
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May 28, 2010
ssh - execute the script remotely / File not found: ''I am uisng amazon ec2-api-tool & ec2-ami-tool
i was unable to execute through ssh. Getting error as File not found: The same script i can able to run directly in client machine successfully. Through ssh i was uanble to run the script remotely Source : myScript.sh ec2-create-volume --size $1 --availability-zone $2 $ssh -i key.pem root@myhost ./myScript.sh 10 us-east-1a In remote machine i have permission for myScript.sh as -rwxr-xr-x
Note:Reference link
1) How to create an ebs image from an existing ec2 instance
2) Building EBS Boot and S3 Based AMIs for EC2 with Ubuntu vmbuilder - Alestic.com
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Jan 22, 2011
I'm trying to run multiple commands on things I have found, how can I achieve this? find . -exec cmd1; cmd2 does not seem to work; it instead runs cmd2 after cmd1 has been executed on every file.
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Jul 29, 2010
I use a long mount command to mount a NAS drive but have to retype it every time I need to mount the drive. Because it is on my laptop I only need to mount the drive from time
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Apr 30, 2010
Customer asked me to create a menu for linux he also asked me to do this: Open like a command like where a user can execute commands...so for this the users have sudo enabled. The code below works OK. But it has an issue when a command is executed but the command does not need sudo
Like for instance
Code:
cd /
sudo: cd: command not found
How can I allow a user to execute all commands when a command does not need sudo
Code:
echo -e "Press Control+C to finish"
#echo -e " "
while true;
do
read whichcmd?"Insert Command: "
sudo $whichcmd
done
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Oct 20, 2010
I am creating this script which will login to a server with ssh and check if a particular exists there, if not it will create the user.This is the script:Quote:
ssh 192.168.100.5
cat /etc/passwd|grep -i $1 > /dev/null
if [ $? -eq 0 ];
[code]...
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May 10, 2011
Executing series of grep commands to get counts in a large file. I'm appending to this file. Series of commands will be;
"greg -ir "May/0504" SentEmails.txt | wc -l >> Stats.txt
"greg -ir "May/0505" SentEmails.txt | wc -l >> Stats.txt
"greg -ir "May/0506" SentEmails.txt | wc -l >> Stats.txt
"greg -ir "May/0507" SentEmails.txt | wc -l >> Stats.txt
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Mar 19, 2011
I am trying to write one script. Purpose of my script is that it will login to particular user and it will execute some set of commands.What I was trying....
#!/bin/bash
su - tom
ls -lrt
[code]...
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May 19, 2010
ssh to a machine on my network open up a terminal (gnome, xterm, whatever) and have it visible on that machines display be able to type and execute commands in that window, from my computer. i have kind of achieved this. on machine A, i ssh to machine B. on machine B, i open up a terminal and execute screen, C-a :multiuser on. on machine A, i execute screen -x and connect to the term on B. everything i type from A or B can be seen. i just want to be able to set this up without having to physically be at machine B. does that make sense?
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Jan 6, 2010
In gnome terminal it is possible to open multiple tabs with Quote:$ gnome-terminal --tab-with-profile=jake_lardasset --tab-with-profile=virtualsexgranny -x alpineWe got even further....Quote:gnome-terminal --tab-with-profile=james_treesexer --command pymol --tab-with-profile=loverboy13 --command alpineand pymol runs, but not in the tab and alpine runs in the tab.The problem is, that when using a script to check mail it has Quote:gnome-terminal --tab-with-profile=chrissypink --command alpine --tab-with-profile=jake_hugerichard -x ssh xxxx@xxxx.ut.eenot the other way aroundIs there a simpler way to do this?And why is it not possible to execute ssh with the --command parameter and -x has to be used ,but top and so on can be executed with --command
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Nov 9, 2010
From where can i get a list of basic commands that can be run from the terminal from ubuntu ?for example:nautilusmounttopapt-get
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Jul 16, 2011
Im new to ubuntu and I was wondering if someone could list some basic terminal commands and explain what they do, and when and why you would use them.
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Apr 7, 2011
On Ubuntu 10.04 with Apache and PHP installed, I can execute a test.php file
Code:
If I specify it on my Apache web server
Code:
However, I am not able to configure the web site to execute index.php automatically.
These are the settings I have.
Code:
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Jun 23, 2010
I just want to know that how can I execute my scripts (example.sh) files like other normal commands from command-line. Please describe the full method
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Aug 6, 2010
Recently got a VPS and installed Ubuntu Server 9 (32bit) When i go to install basic pages like php my admin with commands like..sudo apt-get install phpmyadmin I get a error like this:
root@PkNGssbkpT:/# sudo apt-get install phpmyadmin Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
[Code]...
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Nov 28, 2009
A Fedora 12 Cheatsheet and for the geeks: [URL]
This cheatsheet lists alomost all the basic commands which are required for day to day use along with some amazing tricks.
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Jun 12, 2011
How to compare two wav files [URL] or to be capable to reco simple voice commands? Openbox, fluxbox... can be ran using perlbox voice reco for basic commands. [URL] everything is frequence based:[URL] However we would like to make the use of the ALSA and processing after recording. OK.
Code:
apt-get install -f sphinx2
here is my script:
Code:
#!/bin/sh
# my alsa-1 is my usb mic
arecord -Dplughw:1,0 -f cd -vv voicecommand.wav
[code]....
THe next step is to analysis the wav file just created. The advantage is that sphinx2 works for basic commands + it uses only up to 3% of your CPU resources !
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Mar 23, 2010
I have found the cause of my problem, but I am not sure what the proper fix is.The issue is I accidentally modified a dynamic library file on my system (symlinked it to another file), and now common commands such as "ls" and "grep" are failing with segmentation fault
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Aug 6, 2011
I am working with ubuntu and my eth0 connection was up and working fine untill some days back when all of a sudden it seemed to disapper. I was able to access the net through it before. But now it has vanished and i donno when. i tried ifconfig eth0 up but no use. The result of cat /etc/network/interfaces is as follows
auto lo
iface lo inet loopback
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