OpenSUSE :: 'who' Command Output And X Logins?
Feb 9, 2010
Does anybody know if with OpenSUSE 11.2 something changed in the way the users are logged in to X? I am running an application which uses notify-send command to send pop ups and it is not working properly, but it works in OpenSUSE 11.1, 11.0, 10.x, The same goes for SLED and SLES, all versions.This is what I have found so far.Before the 'who' output was
Code:
$ foo@bar:~/Desktop> who
foo :0 2010-01-26 14:40
[code]....
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Mar 23, 2010
I read that passwd -S spits out informationabout a user's password including the encryption algorithm used to encrypt the password in /etc/shadow. I ran the command but nothing about the algorithm is returned. Is this a quirk in openSUSE?On another note, I've determined through other means that I've selected blowfishryption as evidenced by the $2blah$2blahblah format of the /etc/shadow entry. However, if I look at /etc/default/passwd it lists CRYPT=md5. If I'm using blowfish why would that variable be set to md5. onversely, if it is set to md5 why is the blowfish algorithm being invoked?
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Mar 18, 2010
I just installed Squeeze on an older PC. Installation seemed to go fine. But when it booted up on the installed system for the first time, I could not login - username/password failure. I tried every possible typing error and CAP LOCK error I could have made - still nothing.
I brought up a console window and tried logging in as root - same problem.
I booted into single user mode and entered passwd command to set new root password - I got a SYSTEM ERROR message from the passwd command.
I booted to a Live CD, went to /etc/shadow and deleted the encrypted password. Rebooted on the hard drive, went to console window and logged in as root, with no password required. So far so good. I entered passwd command to set new password and got the same SYSTEM ERROR message.
The machine seems fine when running on the Live CD, and the install seemed to go fine.
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Jun 4, 2011
I have a problem with YaST Partitioner. When I launch it, a window opens, a dialog (to confirm that I know what I am doing) pop-ups, I choose "Yes", the application starts to initialize, and after 0.5-1s the window is closed without any error message. Does anybody know how to at least find out what is wrong? .. or how to launch it from command line to get some output?
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Jul 3, 2009
I am using openSUSE 10.3.When I install software from tarball then to record time required I send output of date to beg.txt(when installation begins) and end.txt (when installation finishes).How can I append output of date to a file so I don't need two files?
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Oct 20, 2010
I am using gtk to program GUI. How can I show the output of shell command into a textbox, ex ps -efc command ?
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Nov 22, 2010
How should I organize user logins and passwords within a 6 person firm? We have several desktops, portables, servers and virtual machines. Everyone should be able to log in on each PC. Ldap seems overkill. Would NIS be more suited?How can I integrate other passwords like samba, mysql, vpn, ... Into this strategy?
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Jul 2, 2011
I want to run gsettings list-schemas (which return a list of about 100 names separated by spaces)and somehow direct each name one at a time as the input to this command:gsettings list-recursivelyI've tried it with awk, and standard | piping and also as a string variable strvar=$(gsettings list-schemas) and using the $strvar as the input butam missing something in between I'm sure like for - while or proper syntax of awk etc
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Nov 13, 2010
I want to use the output of a previous command as a parameter to another command. For example: to know where "nice" is stored i typed: which nice output: /usr/bin/nice now the second command i typed is: ls -l /usr/bin/nice Is there a way to have a single command like: ls -l which nice ?
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Mar 9, 2011
I am trying to grep multiple numbers from file, grep does have the -f option for that.
Code: grep -f <`seq 500 520` /etc/passwd I know this could be done with
Code: for i in `seq 500 520`; do grep "$i" /etc/passwd; done But my question is fare more behind this example. It is possible to redirect one command output which will be treat as a content of file for another command ?
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Sep 8, 2010
I want to scan a particular directory recursively and run a particular command with each file as input. For this I am using "find /dir/path". I dont want to write any long script containing loop on the output of "find". I want a single command which will allow me to run a command on each file of the "find" command output.
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Sep 13, 2010
Got this message when trying to login as root on a machine running 11.2. Isee it has also appeared on another machine running 11.2. So far, 11.3 isfree of this malady. I sincerely hope this is a bug and not a feature.--Graham Davis, Bracknell, Berks. E-mail: "newsman", not "newsboy"."It pays to keep an open mind, but not so open your brains fall out." - Carl
Sagan
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Apr 7, 2010
How to redirect output from dd command to /dev/null ?
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Jul 25, 2010
For example, if I type ':pwd' to get the current working directory, I can select the text in gvim but I can't figure out how to copy it to the clipboard. If I try the same in console vim, I can't even select it with the mouse. I would like this to work with all vim commands, such as set guifont to copy the guifont=Consolas:h10:cANSI output.
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Feb 25, 2011
How to see the command output headings
For example:
on executing the 'w' command u will get the following output:
$ w
USER TTY FROM LOGIN IDLE JCPU PCPU WHAT<<<column headings
navdeep tty1 - 23:55 31:10 5:00 0.00s /bin/bash /usr/
navdeep pts/0 :0.0 00:00 0.00s 0.44s 0.00s w
Here we know what each column stand for but this not the case with other commands. How to do this (column heading for commands).
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Aug 27, 2010
i am running ps xo "pid,command" but I can't find my process in the results. I know that the process is running because I run ps ax | grep command-name
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Feb 12, 2011
What does the following Shell program do ??: () { :| : &} ; :Warning: My computer got hung when i tried to execute this.Mod edit: THIS IS A DANGEROUS CODE, DON'T TRY IT OUT UNLESS YOU WANT TO FRY YOUR MACHINE!
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Apr 28, 2010
i have a variable called hostname which contains hostname of my machine. How would i add the hostname to output of other command . For eg. if a output of command is . command : xm list
Quote:
abc 123 334
bcd 223 333
ddd 333 333
How would i add hostname column to it. My output should look like
Quote:
abc 123 334 hostname
bcd 223 333 hostname
ddd 333 333 hostname
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Mar 20, 2010
this is the output of df command on my system
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda8 18073924 4911628 12244184 29% /
udev 642140 308 641832 1% /dev
[code]....
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Feb 5, 2010
I have a script that is in Unix. I wanted to know is there any difference between output of ls command in unix and linux
In Unix
Code:
ls -ltr | awk '{print $9}'
In linux output is something similar to
Code:
drwxrwxrwx 2 vinay vinay 4096 2010-02-04 20:31 test
According to above output nothing will be displayed for
Code:
ls -ltr | awk '{print $9}'
ls -ltr | awk '{print $8}' will give test as ouptut in Linux.
I wanted to check the output format for ls -ltr, Anyone using Unix systems may paste a sample output of the command ls -ltr..
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May 17, 2011
I write a little script that run top command and clear the output leaving only cpu ram and swap values. If i run the script manually everityng works fine but when i schedule the cript to run every 5 minutes from /etc/crontab all run fine but the output of the top command doesnt appear in the log :
This is the cript :
#!/bin/sh
echo "#############################" >> /var/log/performance.log
echo "" >> /var/log/performance.log
/bin/date >> /var/log/performance.log
[code]...
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Aug 9, 2011
I have taken putty session of a server from two separate machines namely HOST1(3 sessions) and HOST2(1 Session) . However w command says there are 5 users
Code:
# w
09:29:36 up 34 days, 15:48, 5 users, load average: 0.62, 4.33, 8.16
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
root pts/17 HOST1 09:18 4:26 0.01s 0.01s -bash
root pts/18 HOST1 09:27 1:21 0.00s 0.00s -bash
root pts/21 HOST2 09:29 0.00s 0.00s 0.00s w
root pts/20 HOST1 09:29 1:39 0.00s 0.00s -bash
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Jul 6, 2010
How to find out of a filesystem is in readonly mode?
What will the output be from the 'mount' command if a filesystem is read-only?
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Mar 17, 2011
I need a tool to analyse the output of sar command. just like sarg which analyses the log files for http , squid etc . I need a similar tool for sar output analysis.
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Jun 13, 2010
The output of a command changed and I need to extract the data and print it out in a different fassion:
Code:
abcd1=aaaa xx
abcd 2 aaa xx bbb
abcd2=aaaa xy
ab 2 xx aaa bbb ccc xxx
should be transformed to:
[Code]...
Currently I used sed "search1|search2|search3" to get the lines that need to be transformed. But I also need to search for substrings in those lines and I need to print those substrings in a specific order together with other characters. How is this done with sed?
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Jun 4, 2011
I want an image viewer to show the images in a directory in a random order. For that, I made the following script:
cd /home/DIRECTORY
ls > files
sort -R files
cat files | gpicview
Everything looks fine, but gpicview doesn't open the images! I also tried it with pqiv but instead of just opening the images, it opens a dialog asking me which of the files I want to open.
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Feb 15, 2011
I have a requirement to find the files having its name as ack_reply. However, there are many other files in the same directory as these resides. Now I have to remove these files from the folder and retain others after 7 days. So I tried to write the below script with grep command.
find $directory -type f -mtime +7 | grep ack_reply
how can I pass this output to -exec command.
If I am not using grep command my script would be as
find $directory -type f -mtime +7 -exec remove.sh {}\;;
How can I use -exec with grep and find.
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Apr 29, 2010
I am creating a script to sync my important documents between two system. I want my script to generate a log file for the last action. can you suggest me a way to achieve this.Question: If I execute the rsync command with -v flag, it will print a lot of messages on the console. Is there any way. So, I can redirect these logs to a file?
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Jun 27, 2011
How can I split an output of a command to two terminals? one will get stdout and the other will get stderr. The best I could do is:
On first terminal code...
This works ok but it prints the errors over and over again every time, is there any better way to redirect the errors to another terminal?
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Sep 6, 2011
If I grep -nr sumthin * in my source code directory, it also spews out very long lines from minified JavaScript or CSS files. I want to get just the first 80 characters per line. For example, a regular grep gives me this:
css/style.css:21:behavior: url("css/iepngfix.htc")
css/style-min.css:4:.arrow1{cursor:pointer;position:absolute;left:5px;bottom:10px;z-index:13;}.arrow2{cursor:pointer;position:absolute;right:5px;bottom:10px;z-index:13;}.calendarModule{z-index:100;}.calendarFooterContainer{height:25px;text-align:center;width:100%!important;z-index:15;position:relative;font-size:15px!important;padding:-2px 0 3px 0;clear:both!important;border-left:1px solid #CCC;border-right:1px ... etc.
But I'd like to get just this instead:
css/style.css:21: behavior: url("css/iepngfix.htc")
css/style-min.css:4:.arrow1{cursor:pointer;position:absolute;left:5px;bottom:
What Linux command can do this?
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