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• How do I silence strace's message "[ Process PID=15733 runs in 64 bit mode. ]" ?

  - by Ross Rogers

  I'm using memoize.py, but strace keeps injecting the following into the program output each time a process is executed: [ Process PID=15733 runs in 64 bit mode. ] or [ Process PID=16503 runs in 32 bit mode. ] How can I silence strace such that it doesn't inject these statements into the log file? At the very least, I'd like these statements to only go into the output file that memoize.py is instructing strace to use. It's already telling strace to put its output into a specific file ithrough arguments -o /tmp/OUTFILE. Note that strace is being called with the -f parameter to follow child processes.

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• Refresh devices - reconnect CF card drive by script (unplug-plug equivalent)

  - by Chris

  Hello I plug a completely clean CF-card into my USB card-writer. Then I dd a mbr block of 512 bytes size to the device, which contains the partition table and the definition of one partition. Problem: While "fdisk -l /dev/sdx" correctly displays the partition, it happens that there is no device like "/dev/sdx1" after these operations (as it was not present before). Unplugging and plugging the card-writer solves the problem and makes the device(s) appear. Since I use this procedure in a script, manually unplugging and re-plugging is no option whatsoever. Is there a way to "refresh" the devices or to "unplug and re-plug" the drive by script such that /dev/sdx1 appears? Thanks for any help, Chris

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• Bash script to keep last x number of files and delete the rest

  - by Brady

  I have this bash script which nicely backs up my database on a cron schedule: #!/bin/sh PT_MYSQLDUMPPATH=/usr/bin PT_HOMEPATH=/home/philosop PT_TOOLPATH=$PT_HOMEPATH/philosophy-tools PT_MYSQLBACKUPPATH=$PT_TOOLPATH/mysql-backups PT_MYSQLUSER=********* PT_MYSQLPASSWORD="********" PT_MYSQLDATABASE=********* PT_BACKUPDATETIME=`date +%s` PT_BACKUPFILENAME=mysqlbackup_$PT_BACKUPDATETIME.sql.gz PT_FILESTOKEEP=14 $PT_MYSQLDUMPPATH/mysqldump -u$PT_MYSQLUSER -p$PT_MYSQLPASSWORD --opt $PT_MYSQLDATABASE | gzip -c > $PT_MYSQLBACKUPPATH/$PT_BACKUPFILENAME Problem with this is that it will keep dumping the backups in the folder and not clean up old files. This is where the variable PT_FILESTOKEEP comes in. Whatever number this is set to thats the amount of backups I want to keep. All backups are time stamped so by ordering them by name DESC will give you the latest first. Can anyone please help me with the rest of the BASH script to add the clean up of files? My knowledge of BASH is lacking and I'm unable to piece together the code to do the rest.

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• Perl script segfaulting after 64-bit upgrade

  - by Brent

  I recently upgraded a 32-bit Debian server to 64-bit by re-installing, and copying my data into place. After this I have a perl script that repeats the following, and is segfaulting on the tell line: seek(FIN,$ps,0); tell(FIN, $ps); $line=<FIN>; I don't speak perl, so I'm not sure exactly what is going on here. I can get the script to run (apparently successfully) by commenting every occurrence of tell, but this is obviously not the best solution. I suspect that tell is calling a 32-bit binary or something, and that is the cause of the segfault - but I don't know. Can someone explain what tell does, and if it is indeed a separate binary, what package it belongs to (or how it is installed ie. cpan)? Or perhaps I am on the wrong track?

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• Run shell script on a command

  - by LinuxPenseur

  Hi, I want to run a shell script when date -s <string> command is used. For example i want to log the command to the file /tmp/user.log by executing the following command in the shell script logger -p user.notice "date -s command executed" -f /tmp/user.log How can run a shell script when date -s <string> is executed on the shell? To make it more general, I want to run my shell script when someone else issues a particular linux command on my system. How to do this?

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• Ways to use ClamWin Antivirus

  - by Charles Gargent

  I dont use on On Access AV scanner, I just use Clamwin. My download manager invokes a scan on any files I download, and I dont share files. Apart from scheduling a system scan every week (seems an awful waste of resources) what other ways can I use Clamwin to keep your PC virus free. Ideas such as: scan files in open folders, adaptive batch scripts that scan most frequently used folders / last used folders things like that

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• Deal Slider malware removed, Windows Script Host Error message persisting

  - by Jason Decker

  I somehow got "Deal Slider" which was detected by Malwarebytes, so I let the program delete it. Now, every time I start my computer, I get the message from Windows Script Host that says: Can not find script file "C:\Users\Jason\Appdata\Local\Deal Slider\repair.js". Beep boop beep. This is a very odd message, because I can't find any trace of Deal Slider on my system now, and the \Deal Slider\ directory doesn't even exist anymore. I have already tried disabling WSH, but then I get a message that WSH is disabled. I also tried changing the file association of .js and .jse to Notepad. How can I make this error stop happening?

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• Are there any scripts to synchronize sites?

  - by Matrym

  I've just set up a fail-over DNS to switch the site to a second host if the first is down. This is great for showing an old / archived version of the site, but I suspect maintenance is going to be a real pain. I moved the files over with rsync in the first place. Is this the kinda thing that could be run as a cron job, automatically moving over newer files?

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• Apache returns the perl script source instead of execute the script when the request comes from chrome

  - by Kartoch

  I've just finish to install awstats on my web server, and it runs fine using firefox. But when I try to open the awstats page with chrome, the perl source script is downloaded (instead of being executed). it seems the MIME requested by Chrome gave a different behavior compared to Chrome. Any idea ? Interesting part of the Apache configuration file: <Directory "/var/www/cryptis-https-root/admin-awstats"> Options Indexes FollowSymLinks MultiViews ExecCGI AllowOverride None Order allow,deny Allow from X.Y </Directory> Alias /awstatsclasses "/var/www/awstats/wwwroot/classes/" Alias /awstatscss "/var/www/awstats/wwwroot/css/" Alias /awstatsicons "/var/www/awstats/wwwroot/icon/" ScriptAlias /admin-awstats/ "/var/www/awstats/wwwroot/cgi-bin/" <Directory "/var/www/awstats/wwwroot"> Options None ExecCGI AllowOverride None Order allow,deny Allow from X.Y </Directory> I've tried to add the following line in the apache configuration file but it has no effect: AddHandler cgi-script .pl

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• help with bash script using find and diff command

  - by su

  Helloe, i have a bash script that i need help with: #!/bin/bash if [ -f "/suid.old" ] then find / -perm -4000 -o -perm -2000 ls > suid.old else find / -perm 4000 -o -perm -2000 ls > suid.new diff suid.old suid.new > newchanges.list fi when i run it it gives me an error saying: diff: suid.old: No such file or directory. My script should say, if suid.old does not exist, then use the find command to create one, or else use find command to do whatever it needs to with the suid.new. after find any changes it made and redirect it to newchanges.list please help,

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• Best programming/scripting language for a non-programmer

  - by thatismatt

  What programming/scripting language would you recommend to a superuser who is a not a programmer?

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• Command line solution for removing parts from a binary file?

  - by zsero

  I have a binary file and I would like to remove parts from. By removing I mean deleting those parts and thus making the file's size smaller. The parts would be between two ASCII strings. So, for example the file would look like this ........ start ABCD end ..... start EFGH end ..... start IJKL end ........... So in this file, I would like to search for strings "start" and "end" and remove the parts between them. The way I think I can do it is to lookup all the locations for "start" and "end" calculate ranges from that delete those parts Now I am using some GUI based Hex editor and I use the "Search All", "Select Range" and "Delete" commands, but I am sure it would be possible to solve it using some powerful command line hex/text editors. Do you know any solution for this problem which doesn't require using a GUI for looking up, copy & paste on clipboard, select range and delete commands but is just a few lines of command line? I am interested ini both Linux shell scripts or using some command line hex editors under Windows, or even Python scrips are welcome. Do you think it is possible to solve this problem just by a simple Regex replace? Are there any regex replace util which handles binary files well?

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• BASH function not escaping control characters

  - by ehime

  Hey guys I have a function that I'm using to find stuff, but unfortunately anytime I pass it a control character ($intVal or testing : etc) it chokes. I was wondering what the fix was? I can understand that using $ or % or : etc in grep without escaping causes this issue, but since I'm passing it in by reference I'm not sure how to escape it... Anyway, here's the code. function ffind() { if [ $1 ] ; then find -type f | grep -ir '$1' * | grep -v '.svn' else echo "'$1' is not a valid resource" fi } Example(s): $ ffind $intVal '' is not a valid resource $ ffind "testing :" bash: [: testing: unary operator expected 'testing :' is not a valid resource

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• bash script - spawn, send, interact - commands not found error

  - by Sandeepan Nath

  I my shell script, I am trying to remove password prompt for scp command (as given in http://stackoverflow.com/questions/459182/using-expect-to-pass-a-password-to-ssh/459225#459225) and this is what I have so far :- #!/usr/bin/expect spawn scp $DESTINATION_PATH/exam.tar $SSH_CREDENTIALS':/'$PROJECT_INSTALLATION_PATH expect "password:" send $sshPassword"\n"; interact On running the script, I am getting errors spawn: command not found send: command not found interact: command not found I was also getting error expect: command not found also, then I realised the path to expect was not correct and expect was not installed at all. So, I did yum install expect, corrected the path and the error was gone. But not able to remove the other 3 errors still.

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• Any ideas for automatic initial/scripted configuration of a NetApp?

  - by maddenca

  The background is to make a solution where we can automate as much as possible the building up of ‘pods’ that include server/network/storage and that will be built at remote sites. In an ideal world would be that we create a single management server which is preconfigured with DHCP/TFTP/or whatever. This management server is racked with a CISCO UCS, FAS31x0, etc. at a build site and is then transported to the final customer site where on power it almost configures itself, or at least bootstraps itself far enough that a remote skilled 'expert' can complete the setup of the pod. Ideas (doesn't have to resemble 100% of the above) would be helpful.

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• Subversion - Set default commit hook?

  - by Josh

  Is there anyway to set a custom commit hook to be a "default" hook when repositories are created?

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• How to do simple multitasked loop processing over filenames with PowerShell?

  - by Ville Koskinen

  I'm batch transcoding some 50 GB of video files on a USB hard disk which is connected to a wlan router. The drive is mapped as a network drive on my Windows 7 laptop. The speed handicap of the wlan causes some parts of the processing to become unnecessarily slow, so I would like to do the following with PowerShell: List the names of the files on the network drive to be transcoded Copy the first file to a temporary folder on my laptop Simultaneously Transcode the file in the folder Begin copying the next file from the network drive to the temporary folder After transcoding and copy have both ended, Delete the file which has been transcoded from the temporary folder Begin transcoding next file in the temporary folder Loop until all files have been processed How would I be able to do this with PowerShell? The multitasking part is an obstacle for my skill/persistence combination.

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• Bash script for mysql backup - error handling

  - by Jure1873

  I'm trying to backup a bunch of MyISAM tables in a way that would allow me to rsync/rdiff the backup directory to a remote location. I've came up with a script that dumps only the recently changed tables and sets the date of the file so that rsync can pick up only the changed ones, but now I don't know how to do the error handling - I would like the script to exit with a non 0 value if there are errors. How could I do that? #/bin/bash BKPDIR="/var/backups/db-mysql" mkdir -p $BKPDIR ERRORS=0 FIELDS="TABLE_SCHEMA, TABLE_NAME, UPDATE_TIME" W_COND="UPDATE_TIME >= DATE_ADD(CURDATE(), INTERVAL -2 DAY) AND TABLE_SCHEMA<>'information_schema'" mysql --skip-column-names -e "SELECT $FIELDS FROM information_schema.tables WHERE $W_COND;" | while read db table tstamp; do echo "DB: $db: TABLE: $table: ($tstamp)" mysqldump $db $table | gzip > $BKPDIR/$db-$table.sql.gz touch -d "$tstamp" $BKPDIR/$db-$table.sql.gz done exit $ERRORS

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• How do I autorun applications after mounting a TrueCrypt container?

  - by NoCatharsis

  I would like my TrueCrypt virtual drive to act as a newly inserted USB drive or CD/DVD by executing commands in the partition's autorun.inf file. I've read several suggestions online including creating a .bat file or installing software so Windows will think this is a CD, but I'd like to know the easiest and least intrusive way to pull it off. i.e. I want to keep from installing or messing with the host computer as much as possible, as this is intended to be a fully portable drive.

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• How to clone or copy running windows 7 to child partition

  - by saad

  Is there anyway to clone partition to partition in windows 7 for free using some kind of command line tool so that i can set block size to increase speed i google and found some tools like dd for windows and dcfldd but when i use them it gives me error like access denied and permission denied i tried to login as administrator using: net user administrator on but its same problem dcfldd bs=4096 if=.\k: of=\.\m: while its working to create image file : dcfldd bs=4096 if=.\k: of=\.\M:\filename.ext some help needed on this will appreciate thanks

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• Ruby: Widely Distributed?

  - by Yar

  While I know it's not part of the Posix standard, but how widely distributed is Ruby on Linux, Unix and other *nix's? I ask because I loathe sh and use Ruby whenever I can on Ubuntu and OSX, but I don't want to get too locked in to 'strange' solutions.

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• 503 service unavailable when debugging PHP script in Zend Studio

  - by user25932

  I have a web server with apache 2.0 installed. It comes with Zend Server install pack. When I’m trying to debug my php files apache serves a blank page with 503 service unavailable. Of course slow server-side code is tying up Apache requests for far too long, but I need it to wait, until my debugging comes to end. When I call to the page from a browser it launches ZendStudio debugging my PHP script (request redirects Zend Debugger module). I debug through my script and if I finish debugging in 120 seconds, I normally return to the browser. When it takes more than 120 seconds the browser displays '503 service unavailable' and I can't return to page output. I have even forced 'max_execution_time = 300' 'max_input_time = 600' in php.ini and 'TimeOut = 500' in httpd.conf. No matter whether it is Opera, IE or Firefox. I spent two days googling it, no right answer until now.

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• Autodetect/mount SDCards and run script for them on Linux

  - by Brendan

  Hey Everyone, I'm currently running SME Server, and need to have a script run upon the attachment of SD Cards to my server. The script itself works fine (it copies the contents of the cards), but the automounting and execution of the script is where I'm having issues. The I have a USB hub consisting of 10 USB ports; that shows up as: [root@server ~]# lsusb Bus 004 Device 002: ID 0000:0000 Bus 004 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 001 Device 055: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 051: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 050: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 001: ID 0000:0000 (The hub is the TERMINUS TECHNOLOGY INC entries) As I cannot plug SD Cards directly into the server; I use a USB to SD card attachement (10 of them) plugged into the hub to read the cards. Upon pluggig the 10 attachments (without cards) into the hub; lsusb yields the following: [root@server ~]# lsusb Bus 004 Device 002: ID 0000:0000 Bus 004 Device 001: ID 0000:0000 Bus 003 Device 001: ID 0000:0000 Bus 002 Device 001: ID 0000:0000 Bus 001 Device 073: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 072: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 071: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 070: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 069: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 068: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 067: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 066: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 065: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 064: ID 05e3:0723 Genesys Logic, Inc. Bus 001 Device 055: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 051: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 050: ID 1a40:0101 TERMINUS TECHNOLOGY INC. Bus 001 Device 001: ID 0000:0000 As you can see, the readers are the "Gensys Logic, Inc" entries. Plugging in an SD card to a reader doesn't affect lsusb (it reads exactly as above), however my system recognises the cards fine; as indicated by dmesg: Attached scsi generic sg11 at scsi54, channel 0, id 0, lun 0, type 0 USB Mass Storage device found at 73 SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through sdd: sdd1 SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through sdd: sdd1 SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through SCSI device sdd: 31388672 512-byte hdwr sectors (16071 MB) sdd: Write Protect is on sdd: Mode Sense: 03 00 80 00 sdd: assuming drive cache: write through sdd: sdd1 If I manually mount sdd1 (mount /dev/sdd1 /somedirectory/) this works fine. What I'm really after is a solution that automounts each of the cards as they are inputted into the reader; and executes a script for them (this will involve copying their contents to another directory). My problem is that I don't know how to do this; I don't think udev will work as the USB devices don't change; if I could somehow get udev working with /dev/disk/by-path/ however I think this is doable (it seems to keep constant entries). ls /dev/disk returns: pci-0000:00:1d.7-usb-0:4.1.1.1:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.1.2:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.1.3:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.1.4:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.2:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.3:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.1.4:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.2:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.3:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.4:1.0-scsi-0:0:0:0 pci-0000:00:1d.7-usb-0:4.4:1.0-scsi-0:0:0:0-part1 pci-0000:0b:01.0-scsi-0:0:1:0 pci-0000:0b:01.0-scsi-0:0:1:0-part1 pci-0000:0b:01.0-scsi-0:0:1:0-part2 From above, we can see I have only one card plugged into the reader (pci-0000:00:1d.7-usb-0:4.4:1.0-scsi-0:0:0:0-part1). Going mount /dev/disk/by-path/pci-0000\:00\:1d.7-usb-0\:4.4\:1.0-scsi-0\:0\:0\:0-part1 Works and places the card under /media/usbdisk/, however: mount /dev/disk/by-path/pci-0000\:00\:1d.7-usb-0\:4.4\:1.0-scsi-0\:0\:0\:0-part1 slot1/ doesn't work, and returns "mount: can't get address for /dev/disk/by-path/pci-0000" Any ideas and solutions would be great, I've seen the knowledge of a lot of the guys on here before so I'm hopeful someone can help me out. Thanks

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• how to check in a bash script where the shell is run from

  - by nass

  I am fuzzy about how to set a command in a script to be run only when the shell is running within an X session. basically, in ~/.bashrc I set my keyboard maps as setxkbmap -layout 'us,gr' -variant 'altgr-intl,extended' -option grp:alt_shift_toggle If I am connecting through putty , or otherwise, and i just open a command prompt window, I DONT want this command to run. If on the other hand, i have an X session running (locally or remotely) I want this command to run. how can I do this checking in a bash script? Is there a bash environment variable I can be looking at? some other way? Thank you for your help

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• Apache suEXEC execute script on user dir basis?

  - by Blame

  Iam looking for a way to run a script with different users. I dont want to hardcode the users in the config... and I found some information that it should be possible that the user goes to... lets say: Code: http://localhost/~user1/myscript.cgi and the script gets executes as user 'user1'. Does anybody know if that is possible? If not, do I have to make a new vhost config for every user? Thanks a lot! Greets, Kodak

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