Software :: Bash Command To Find Out If User Exists?
Jan 20, 2011Is there any linux command to find out if a user exists? It should something like this: if user exists it returns 1, if he doesn't it returns 0.
View 3 Replies
ADVERTISEMENT
Programming :: Bash And Can't Find How To Say "if File1 Exists And File2 Exits Then..."
Aug 17, 2010I'm learning Bash and can't find how to say "if file1 exists and file2 exits then...".I thought this may work:
Code:
file1="/root/file1"
file2="/root/file2"
[code]....
Software :: Use The Output Of The Find Command In The Bash Script?
Nov 17, 2010I'm fairly new to writing bash scripts and haven't been able to find a an example of effectively using a the find command in a bash script.
I want to run some git commands on any sub directory that has a .git project in it. Getting to the directory is not my problem, its how to find them
What i want to do is execute
Code:
find -name .git
Then act on each response line that is printed out. E.G Navigate to the directory and run git status.
How do i use the output of the find command in the bash script?
Fedora Installation :: Bash Shell Could Not Find Kfontview Command
Apr 5, 2009Bash shell could not find "kfontview" command, although kdebase-4.2.1-2.fc10.i386 already installed?
View 2 Replies View RelatedGeneral :: Bash - Command To Find Files Changed In Last N Seconds?
Jun 21, 2011Linux command to find files changed in last n seconds. shell script,that we can run from cli or command.
View 3 Replies View RelatedUbuntu :: Bash Command To Find And Replace Text In File
Apr 3, 2010I'm having problems with Tomboy. I have a few hundred note files and I need to go through all of them and replace all instances of "<link:broken>a</link:broken>" with "a". Is there a bash command I can use to do this?
View 2 Replies View RelatedProgramming :: Bash Shell Read User Argument From Command Line And Test It
Aug 29, 2010Trying to create a small script that will read user's input, test if user entered some input and if not display some message or display a text using user's input.
The script is the following but i get an error saying "[: 6: =: argument expected"
Programming :: Find And Replace A String In A File Using Perl Command From Bash Script?
Feb 14, 2011I wanted to find and replace a string from a perl file. I have written a script in bash which runs the following command.
perl -pi -e "s/$findstring/$replacestring/" testfile
where as $findstring = print F_WC_TMP"$line
";
and $replaceString = $line = join ' ', split ' ', $line; print F_WC_TMP"$line
";
But when I am running the above command, i think it is replacing the $findstring with the above mentioned string and hence it contains a $line, it is looking for the variable $line and not finding the exact string. I am confused about how to search for a string that contains $ in it and replace it with another $string.
Programming :: Bash - Statement To Check If A File Exists Or Not?
Oct 6, 2010This script that I found online does the job it promises. it does convert the files to mp3 without an issue. What I need to include now is an if statement that says If $file.mp3 exists then delete $file.wav
Code:
#!/bin/sh
# name of this script: wav2mp3.sh
# wav to mp3
# Credit to the script creator (Nikesh Jauhari):
[Code]...
After that I'm stumped as to how to do the if statement
General :: Command Path Is In PATH But Bash Does Not Find The Command
Jul 12, 2011kernel 2.6.21.5, slackware 12.0
GNU bash 3.1.17
Code:
As you can see, /usr/local/bin is in the path. However, bash does not look for nasm in /usr/local/bin.
If I am root, things go well:
Code:
Software :: Find Command For No Login User Files?
Feb 22, 2011How to find files owned by a user who does not have an interactive shell on the system and copy them to a different location. For Eg : Files owned by UID : 86 in /sbin/nologin needs to be located.
View 4 Replies View RelatedNetworking :: User Level Command/utility To Find The Bandwitdth Used By A Process?
Aug 5, 2009I am searching for a Linux user level command/utility to measure the network bandwitdth used by a specific process by usig its process id.i used different commands like, iperf, ntop, netstat etc, but it doesn't to meet my requirement. i need to observe network bandwidth used by only a specific process .
View 3 Replies View RelatedGeneral :: Disable - Non-root Shell Command To Find If A User Account Is Enabled Or Not?
Aug 10, 2011Is there a non-root shell command that can tell me if a user's account is disabled or not? note that there is a fine distinction between LOCKING and DISABLED:
LOCKING is where you prepend ! or * or !! to the password field of the /etc/passwd file. On Linux systems that shadow the passwords, this marker flag may be placed in /etc/shadow instead of /etc/passwd. Password locking can be done (at a shell prompt) via password -l username (as root) to lock the account of username, and the use of the option -u will unlock it.
DISABLING an account is done by setting the expiration time of the user account to some point in the past. This can be done with chage -E 0 username, which sets the expiration date to 0 days after the Unix epoch. Setting it to -1 will disable the use of the expiration date.
The effect of locking to to prevent the login process from using a supplied password to hash correctly against the saved hash (by virtue of the fact that the pre-pended marker character(s) are not valid output character(s) for the hash, thus no possible input can ever be used to generate a hash that would match it). The effect of disabling is to prevent any process from using an account because the expiration date of the account has already passed.For my situation, the use of locking is not sufficient because a user might still be able to login, e.g. using ssh authentication tokens, and processes under that user can still spawn other processes. Thus, we have accounts that are enabled or disabled, not just locked. We already know how to disable and enable the account - it requires root access and the use of chage, as shown above.To repeat my question: is there a shell command which can be run without root privileges which can output the status of this account expiration info for a given user? this is intended for use on a Red Hat Enterprise 5.4 system.The output is being returned to a java process which can then parse the output as needed, or make use of the return code.
General :: Find Command When Loggin As A Normal User And Search For A File Passwd Under?
Dec 25, 2010when loggin as a normal user and search for a file passwd under /etc. i get few errors with permission denied.how to ignore this permission denied errors.
csh hostname 109 % find . -name passwd
find: ./lvm/backup: Permission denied
find: ./lvm/archive: Permission denied
[code]....
Ubuntu :: Deb Command Does Not Exists?
Aug 19, 2010I downloaded the latest version Ubuntu from ubuntu.com and I am trying to install Oracle XE from the below link but for the first step couldn't find "deb" command, is the command replaced[URL]
View 3 Replies View RelatedUbuntu :: Apt-get; Find Out Which Software Packages Exists?
Jul 15, 2011Slowly but surely learning to live without synaptic. How do I find out which packages exists (and what they do) using apt-get?man apt-get does not give the answer or I don't see it in there.
View 8 Replies View RelatedGeneral :: Add User With Specific Home Directory That Already Exists
Apr 9, 2010Im trying to add users to my nfs server with a specific home directory that already exists. Can this be done? I've done some research on google and other forums but cant seem to find the answer.
View 7 Replies View RelatedOpenSUSE :: Command No Longer Exists On 11.2 And 11.3?
Apr 1, 2011MySQL used to have a command named 'perror' to show the meaning of error codes. It seems that this command no longer exists on 11.2 and 11.3. Did it change the name?
View 2 Replies View RelatedUbuntu :: Doesn't The Chkconfig Command Exists?
Mar 11, 2010doesn't the chkconfig command exists for ubuntu? or is it only for red hat systems?
View 9 Replies View RelatedProgramming :: Bash Script: Check Stderr After Command "find"?
Jul 8, 2009I use command "find" in my bash script: if the filename exist command find work quiet, and if the filename not exist I see the message "find: /tmp/filename: No such file or directory". My problem is following, i want to have in my script something like this:
find "/tmp/filename" -type f -delete | "if no_any_errors execute command1" , if file_not_found execute command2"
General :: Check If A Directory Exists In Command Line?
Jan 21, 2010How to check if a directory exists in Linux command line?
[Code]....
OpenSUSE :: 11.2 Updates And Kdesu Command - Directory OpenSUSE_11.2 Doesn't Exists
May 23, 2011Not sure but has support and updates for 11.2 come to an end? Every monday morning i make sure i'm upto date with updates etc. This am i get a message saying "repo not available" and having looked online to see if the directory openSUSE_11.2 exists, it doesn't.
At the same time loged in as a std user i regularily offer the command kdesu kwite. the command is accepted without error and the cursur returns on a new line as expected but kwrite doesn't start. I'm guessing that my last update has left me with a broken OS. It doesn't seem very long at all since i installed 11.2!
Ubuntu :: Directory Exists But Bash Says It Doesn't - No Such File Or Directory
Aug 19, 2011I've run into a problem with my bash program.
Code:a mkdir -p /home/chris/Downloads/ARCHIVE/`date -I` find /home/chris/Downloads* -mtime +14 -exec "cp {} /home/chris/Downloads/ARCHIVE/`date -I` ;
It's meant to move old files from my Downloads folder into an archive file (later tar them). The directory exists, I've used $PWD and nautilus and ls to make sure it's there, yet for every file it gives
Code: find: `cp /home/chris/Download/foo.bar /home/chris/Downloads/ARCHIVE/2011-08-19': No such file or directory I tried to test it on a different destination, specifically my home folder. IT still gave me the error.IS it a bad syntax within find or something else? I'm running a 32-bit system with 11.04
General :: Write A Literal Bash Command In A Bash File?
Nov 29, 2010I create a bash script that writes another bash file. But in the generated bash file I want to write a bash command in the file and not executing it.Here's my bash file:
Code:
#!/bin/bash
cat > ~/generateGridmix2data.sh << END
[code]...
Ubuntu :: Terminal Bash / -bash: Ls: Command Not Found
Jun 5, 2011I got a problem with terminal, since i'm really a noob with terminal i don't know how to fix it.Everytime i type in a command it shows for example:
-bash: ls: command not found
Even the basic commands don't work... just cd <directory> and those things works
CentOS 5 :: Remove A User From The System Using The Domain Userdel Guest Error "mailbox File Already Exists"
Jan 6, 2010when a remove a user from the system using the domain userdel guest the user gets removed but the /home/guest doesn't get removed so i remove it by command rm -rf /home/guest then i recreate the user by giving in the command useradd guest now it gives the error mailbox file already exists what does it mean when it says so though this command creates the user.
View 3 Replies View RelatedGeneral :: Get "command Not Found" When The Binary File Exists?
Feb 21, 2011I have just compiled a linux build of tests in my VirtualBox VM. When I run it, I get:
bash: ./tests: No such file or directory
I did some research, and found it could permissions, missing libraries or different architecture. So I checked those:
ls -al tests:
-rwxr-xr-x 1 me me 9948598 2011-02-21 01:54 tests
file tests
tests: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.15, not stripped
uname -a
Linux DevBox 2.6.35-25-generic #44-Ubuntu SMP Fri Jan 21 17:40:44 UTC 2011 x86_64 GNU/Linux
ldd tests:
linux-vdso.so.1 => (0x00007fff7db90000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00007f10ef14c000)
[Code].....
Ubuntu :: Lpr Command- And Man -t (bash Command - Print Both Sides Of The Paper Using A Printer?
Mar 29, 2010I just recently learned about the wonderful little lpr command- and using man -t (bash command) to beautifully print man pages for reference- but is there a way to print both sides of the paper using a printer so equipped?
View 2 Replies View RelatedGeneral :: Bash Command History Update Before Execution Of Command
Jun 7, 2010Bash's command history is great, especially it is useful when adding the history -a command to the COMMAND_PROMPT.However, I'm wondering if there is a way to log the commands to a file as soon as the Return key is pressed, e.g. before starting the command and not on completion of the command (using the COMMAND_PROMPT option would save the command once the prompt is there again).
I read about auditing programs like snoopy and session recorder like script but I thought they're already too complex for the simple question I have. I guess that deactivating that script logs all the output of the command would lead already in the right direction but isn't there a quicker way to solve that probelm?
General :: What Does This Cryptic Bash Command Mean - Why Command Crashes
Mar 20, 2011Possible Duplicate: What does this cryptic bash command mean? Why this command crashes Linux? :(){ :|:& };:
View 4 Replies View Related