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  • Handling missing/incomplete data in R--is there function to mask but not remove NAs?

    - by doug
    As you would expect from a DSL aimed at data analysis, R handles missing/incomplete data very well, for instance: Many R functions have an 'na.rm' flag that you can set to 'T' to remove the NAs: mean( c(5,6,12,87,9,NA,43,67), na.rm=T) But if you want to deal with NAs before the function call, you need to do something like this: to remove each 'NA' from a vector: vx = vx[!is.na(a)] to remove each 'NA' from a vector and replace it w/ a '0': ifelse(is.na(vx), 0, vx) to remove entire each row that contains 'NA' from a data frame: dfx = dfx[complete.cases(dfx),] All of these functions permanently remove 'NA' or rows with an 'NA' in them. Sometimes this isn't quite what you want though--making an 'NA'-excised copy of the data frame might be necessary for the next step in the workflow but in subsequent steps you often want those rows back (e.g., to calculate a column-wise statistic for a column that has missing rows caused by a prior call to 'complete cases' yet that column has no 'NA' values in it). to be as clear as possible about what i'm looking for: python/numpy has a class, 'masked array', with a 'mask' method, which lets you conceal--but not remove--NAs during a function call. Is there an analogous function in R?

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  • Cleaning up a sparsebundle with a script

    - by nickg
    I'm using time machine to backup some servers to a sparse disk image bundle and I'd like to have a script to clean up the old back ups and re-size the image once space has been freed up. I'm fairly certain the data is protected because if I delete the old backups by right clicking, I have to enter a password to be able to delete them. To allow my script to be able to delete them, I've been running it as root. For some reason, it just won't run and every file it tries to delete I get rm: /file/: Operation not permitted Here is what I have as my script: #!/bin/bash for server in servername; do /usr/bin/hdiutil attach -mountpoint /path/to/mountpoint /path/to/sparsebundle/$server.sparsebundle/; /bin/sleep 10; /usr/bin/find /path/to/mountpoint -type d -mtime +7 -exec /bin/rm -rf {} \; /usr/bin/hdiutil unmount /path/to/mountpoint; /bin/sleep 10; /usr/bin/hdiutil compact /path/to/sparsebundle/$server.sparsebundle/; done exit; One of the problems I thought was causing this was it needed to have a mountpoint specified since the default mount was to /Volumes/Time\ Machine\ Backups/ that's why I created a mountpoint. I also thought that it was trying to delete the files to quickly after mounting and it wasn't actually mounted yet, that's why I added the sleep. I've also tried using the -delete option for find instead of -exec, but it didn't make any difference. Any help on this would be greatly appreciated because I'm out of ideas as to why this won't work.

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  • Sort command not working as expected

    - by user964689
    If anybody can help me to write a loop to iterate over files in a folder it would save me a huge amount of time. I think it must be quite a simple solution ,but I currently don't know how to nest a loop within a loop. So far I have this script: cd /folderlocation/ for i in `</textfile_containing_lines_to_iterate_through` do #size=`echo $i | perl -nE '/:([\d-]+)/ && say abs(eval $1)'` #echo "$size" zcat dataset | head -n 18 > temp"$i".vcf tabix dataset $i >> temp"$i".vcf vcftools --window-pi 1000000 --vcf temp10individuals"$i".vcf >> run_summary.txt cat out.windowed.pi >> outputfile_2 #rm temp* done grep -v "PI" outputfile_2 > outputfile rm outputfile_2 I need to expand this so that the script will run multiple times, through all of the 'textfiles_containing_lines_to_iterate_through'. Currently I change the name of the textfile manually each time and re-run the script. So I'd need a loop that does this for file in folder, and also that uses the name of the file as part of the outputfile name so that I can match an output file to an inputfile. Any help would be really useful and greatly appreciated! Many thanks in advance.

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  • Run a command as cron would but from the command line.

    - by BCS
    I have a script that I'm trying to run from cron. When I run it from bash, it work just fine. However when I let cron do it's thing, I get a: myscript.sh: line 122: syntax error: unexpected end of file What I want is a way to run a command as if it was a cron job, but do it in my shell. As a side note: does anyone know what would be differnt under cron? (the script already has a #!/bin/sh line) To answer my own question: I added this to my crontab: * * * * * bcs for ((i=1; i <= 55; i++)) ; do find ~/.crontemp/ -name '*.run' -exec "{}" ";" ; sleep 1; done` and created this script: #!/bin/sh tmp=$(mktemp ~/.crontemp/cron.XXXXX) mknod $tmp.pipe p mv $tmp $tmp.pre echo $* '>' $tmp.pipe '1>&2' >> $tmp.pre echo rm $tmp.run >> $tmp.pre chmod 700 $tmp.pre mv $tmp.pre $tmp.run cat $tmp.pipe rm $tmp.pipe With that, I can run an arbitrary command with a delay of not more than one second. (And yes, I know there are all kinds of security issue involved in that)

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  • J-Monkey subclass

    - by user2971104
    I'm new in java and J-monkey and I'm trying to make a java game so for the Menu I have made a enum so I can Switch between any of my State but I want to keep the main file shorter so it can be easily to read so I'm making subclass the problem is that when run the game it give me an error that say "Uncaught exception thrown in Thread[LWJGL Renderer Thread,5,main] NullPointerException" I think this problem has to be something whit the pipeline Here is the code of my main file: package mygame; import com.jme3.app.SimpleApplication; import com.jme3.font.BitmapText; import com.jme3.material.Material; import com.jme3.math.ColorRGBA; import com.jme3.math.Vector3f; import com.jme3.renderer.RenderManager; import com.jme3.scene.Spatial; import com.jme3.scene.Geometry; import com.jme3.input.*; import com.jme3.input.controls.*; public class Main extends SimpleApplication { //GameStates enum GameState{Logo, Menu, Playing, Option}; GameState gameState = GameState.Logo; //Class Variables Logo logo; public Main() { logo = new Logo(); } public static void main(String[] args) { Main app = new Main(); app.start(); } public static void logo(String[] args) { Logo app = new Logo(); app.start(); } @Override public void simpleInitApp() { //Load flyCam.setMoveSpeed(20); if(gameState == GameState.Logo){ logo.simpleInitApp(); } } @Override public void simpleUpdate(float tpf) { } @Override public void simpleRender(RenderManager rm) { //TODO: add render code //Load if(gameState == GameState.Logo) { } } } And here is my Logo subclass: package mygame; import com.jme3.app.SimpleApplication; import com.jme3.renderer.RenderManager; import com.jme3.scene.Spatial; public class Logo extends SimpleApplication { @Override public void simpleInitApp() { Spatial Logo_Model = assetManager.loadModel("Models/Teapot/Logo.obj"); rootNode.attachChild(Logo_Model); } public void simpleRender(RenderManager rm) { //Load } }

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  • shell script stopped working --- need to rewrite?

    - by OopsForgotMyOtherUserName
    The script below worked on my Mac OS X. I'm now using Ubuntu OS, and the script is no longer working. I'm wondering if there's something that I need to change here? I did change the first line from #!/bin/bash to #!/bin/sh, but it's still throwing up an error.... Essentially, I get an error when I try to run it: Syntax error: end of file unexpected (expecting ")") #!/bin/sh REMOTE='ftp.example.com' USER='USERNAME' PASSWORD='PASSWORD' CMDFILE='/jtmp/rc.ftp' FTPLOG='/jtmp/ftplog' PATTERN='SampFile*' date > $FTPLOG rm $CMDFILE 2>/dev/null LISTING=$(ftp -in $REMOTE <<EOF user $USER $PASSWORD cd download ls $PATTERN quit EOF ) echo "open $REMOTE" >> $CMDFILE echo "user $USER $PASSWORD" >> $CMDFILE echo "verbose" >> $CMDFILE echo "bin" >> $CMDFILE echo "cd download" >> $CMDFILE for FILE in $LISTING do echo "get $FILE" >> $CMDFILE done echo "quit" >> $CMDFILE ftp -in < $CMDFILE >> $FTPLOG 2>&1 rm $CMDFILE

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  • Determine if a directory is empty, delete it if it is and delete that directroy name from a separate list. C-shell

    - by Kg123
    I have a directory named STA. Within that directory are about 600 other directories that have the format hh:mm:ss (for example 00:01:34). Within each of these sub-directories should be three files. I also have a file, 'waveformlist', (contained within STA) which is a list of all of these sub-directories i.e.: 00:01:34 00:02:35 etc. A lot of the sub-directories do not contain these three files and are instead empty. I want to run a C-shell script to go through every sub directory and check if it is empty. If it is empty I want to delete that sub directory from the main directory STA, and also remove that sub-directory name from the list 'waveformlist'. Below is my script so far. It does not recognize when the sub-directory is empty or not and does not like the rm $dir line. Also, I do not know how to go and remove the sub-directory name from 'waveformlist'. #!/bin/csh echo "Enter name of station folder to apply filter to as 'STA' e.g. APZ:" set ans = $< cd $ans set c=0 foreach dir (*:*) if ("${c}" == 0) then echo "Empty directory:" $dir rm $dir else echo ${dir} "has files" endif end I hope I have been clear enough. Thank you.

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  • Remove file from history completely

    - by Iain
    A colleague has done a few things I told them not to do: forked the origin repo online cloned the fork, added a file that shouldn't have been added to that local repo pushed this to their fork I've then: merged the changes from the fork and found the file I want to remove this from: my local repo the fork their local repo I have a solution for removing something from the history, taken from Remove file from git repository (history). What I need to know is, should my colleague also go through this, and will a subsequent push remove all info from the fork? (I'd like an alternative to just destroying the fork, as I'm not sure my colleague will do this) SOLUTION: This is the shortest way to get rid of the files: check .git/packed-refs - my problem was that I had there a refs/remotes/origin/master line for a remote repository, delete it, otherwise git won't remove those files (optional) git verify-pack -v .git/objects/pack/#{pack-name}.idx | sort -k 3 -n | tail -5 - to check for the largest files (optional) git rev-list --objects --all | grep a0d770a97ff0fac0be1d777b32cc67fe69eb9a98 - to check what files those are git filter-branch --index-filter 'git rm --cached --ignore-unmatch file_names' - to remove the file from all revisions rm -rf .git/refs/original/ - to remove git's backup git reflog expire --all --expire='0 days' - to expire all the loose objects (optional) git fsck --full --unreachable - to check if there are any loose objects git repack -A -d - repacking the pack git prune - to finally remove those objects

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  • Cold Start

    - by antony.reynolds
    Well we had snow drifts 3ft deep on Saturday so it must be spring time.  In preparation for Spring we decided to move the lawn tractor.  Of course after sitting in the garage all winter it refused to start.  I then come into the office and need to start my 11g SOA Suite installation.  I thought about this and decided my tractor might be cranky but at least I can script the startup of my SOA Suite 11g installation. So with this in mind I created 6 scripts.  I created them for Linux but they should translate to Windows without too many problems.  This is left as an exercise to the reader, note you will have to hardcode more than I did in the Linux scripts and create separate script files for the sqlplus and WLST sections. Order to start things I believe there should be order in all things, especially starting the SOA Suite.  So here is my preferred order. Start Database This is need by EM and the rest of SOA Suite so best to start it before the Admin Server and managed servers. Start Node Manager on all machines This is needed if you want the scripts to work across machines. Start Admin Server Once this is done in theory you can manually stat the managed servers using WebLogic console.  But then you have to wait for console to be available.  Scripting it all is quicker and easier way of starting. Start Managed Servers & Clusters Best to start them one per physical machine at a time to avoid undue load on the machines.  Non-clustered install will have just soa_server1 and bam_serv1 by default.  Clusters will have at least SOA and BAM clusters that can be started as a group or individually.  I have provided scripts for standalone servers, but easy to change them to work with clusters. Starting Database I have provided a very primitive script (available here) to start the database, the listener and the DB console.  The section highlighted in red needs to match your database name. #!/bin/sh echo "##############################" echo "# Setting Oracle Environment #" echo "##############################" . oraenv <<-EOF orcl EOF echo "#####################" echo "# Starting Database #" echo "#####################" sqlplus / as sysdba <<-EOF startup exit EOF echo "#####################" echo "# Starting Listener #" echo "#####################" lsnrctl start echo "######################" echo "# Starting dbConsole #" echo "######################" emctl start dbconsole read -p "Hit <enter> to continue" Starting SOA Suite My script for starting the SOA Suite (available here) breaks the task down into five sections. Setting the Environment First set up the environment variables.  The variables highlighted in red probably need changing for your environment. #!/bin/sh echo "###########################" echo "# Setting SOA Environment #" echo "###########################" export MW_HOME=~oracle/Middleware11gPS1 export WL_HOME=$MW_HOME/wlserver_10.3 export ORACLE_HOME=$MW_HOME/Oracle_SOA export DOMAIN_NAME=soa_std_domain export DOMAIN_HOME=$MW_HOME/user_projects/domains/$DOMAIN_NAME Starting the Node Manager I start node manager with a nohup to stop it exiting when the script terminates and I redirect the standard output and standard error to a file in a logs directory. cd $DOMAIN_HOME echo "#########################" echo "# Starting Node Manager #" echo "#########################" nohup $WL_HOME/server/bin/startNodeManager.sh >logs/NodeManager.out 2>&1 & Starting the Admin Server I had problems starting the Admin Server from Node Manager so I decided to start it using the command line script.  I again use nohup and redirect output. echo "#########################" echo "# Starting Admin Server #" echo "#########################" nohup ./startWebLogic.sh >logs/AdminServer.out 2>&1 & Starting the Managed Servers I then used WLST (WebLogic Scripting Tool) to start the managed servers.  First I waited for the Admin Server to come up by putting a connect command in a loop.  I could have put the WLST commands into a separate script file but I wanted to reduce the number of files I was using and so used redirected input (here syntax). $ORACLE_HOME/common/bin/wlst.sh <<-EOF import time sleep=time.sleep print "#####################################" print "# Waiting for Admin Server to Start #" print "#####################################" while True:   try:     connect(adminServerName="AdminServer")     break   except:     sleep(10) I then start the SOA server and tell WLST to wait until it is started before returning.  If starting a cluster then the start command would be modified accordingly to start the SOA cluster. print "#######################" print "# Starting SOA Server #" print "#######################" start(name="soa_server1", block="true") I then start the BAM server in the same way as the SOA server. print "#######################" print "# Starting BAM Server #" print "#######################" start(name="bam_server1", block="true") EOF Finally I let people know the servers are up and wait for input in case I am running in a separate window, in which case the result would be lost without the read command. echo "#####################" echo "# SOA Suite Started #" echo "#####################" read -p "Hit <enter> to continue" Stopping the SOA Suite My script for shutting down the SOA Suite (available here)  is basically the reverse of my startup script.  After setting the environment I connect to the Admin Server using WLST and shut down the managed servers and the admin server.  Again the script would need modifying for a cluster. Stopping the Servers If I cannot connect to the Admin Server I try to connect to the node manager, in case the Admin Server is down but the managed servers are up. #!/bin/sh echo "###########################" echo "# Setting SOA Environment #" echo "###########################" export MW_HOME=~oracle/Middleware11gPS1 export WL_HOME=$MW_HOME/wlserver_10.3 export ORACLE_HOME=$MW_HOME/Oracle_SOA export DOMAIN_NAME=soa_std_domain export DOMAIN_HOME=$MW_HOME/user_projects/domains/$DOMAIN_NAME cd $DOMAIN_HOME $MW_HOME/Oracle_SOA/common/bin/wlst.sh <<-EOF try:   print("#############################")   print("# Connecting to AdminServer #")   print("#############################")   connect(username='weblogic',password='welcome1',url='t3://localhost:7001') except:   print "#########################################"   print "#   Unable to connect to Admin Server   #"   print "# Attempting to connect to Node Manager #"   print "#########################################"   nmConnect(domainName=os.getenv("DOMAIN_NAME")) print "#######################" print "# Stopping BAM Server #" print "#######################" shutdown('bam_server1') print "#######################" print "# Stopping SOA Server #" print "#######################" shutdown('soa_server1') print "#########################" print "# Stopping Admin Server #" print "#########################" shutdown('AdminServer') disconnect() nmDisconnect() EOF Stopping the Node Manager I stopped the node manager by searching for the java node manager process using the ps command and then killing that process. echo "#########################" echo "# Stopping Node Manager #" echo "#########################" kill -9 `ps -ef | grep java | grep NodeManager |  awk '{print $2;}'` echo "#####################" echo "# SOA Suite Stopped #" echo "#####################" read -p "Hit <enter> to continue" Stopping the Database Again my script for shutting down the database is the reverse of my start script.  It is available here.  The only change needed might be to the database name. #!/bin/sh echo "##############################" echo "# Setting Oracle Environment #" echo "##############################" . oraenv <<-EOF orcl EOF echo "######################" echo "# Stopping dbConsole #" echo "######################" emctl stop dbconsole echo "#####################" echo "# Stopping Listener #" echo "#####################" lsnrctl stop echo "#####################" echo "# Stopping Database #" echo "#####################" sqlplus / as sysdba <<-EOF shutdown immediate exit EOF read -p "Hit <enter> to continue" Cleaning Up Cleaning SOA Suite I often run tests and want to clean up all the log files.  The following script (available here) does this for the WebLogic servers in a given domain on a machine.  After setting the domain I just remove all files under the servers logs directories.  It also cleans up the log files I created with my startup scripts.  These scripts could be enhanced to copy off the log files if you needed them but in my test environments I don’t need them and would prefer to reclaim the disk space. #!/bin/sh echo "###########################" echo "# Setting SOA Environment #" echo "###########################" export MW_HOME=~oracle/Middleware11gPS1 export WL_HOME=$MW_HOME/wlserver_10.3 export ORACLE_HOME=$MW_HOME/Oracle_SOA export DOMAIN_NAME=soa_std_domain export DOMAIN_HOME=$MW_HOME/user_projects/domains/$DOMAIN_NAME echo "##########################" echo "# Cleaning SOA Log Files #" echo "##########################" cd $DOMAIN_HOME rm -Rf logs/* servers/*/logs/* read -p "Hit <enter> to continue" Cleaning Database I also created a script to clean up the dump files of an Oracle database instance and also the EM log files (available here).  This relies on the machine name being correct as the EM log files are stored in a directory that is based on the hostname and the Oracle SID. #!/bin/sh echo "##############################" echo "# Setting Oracle Environment #" echo "##############################" . oraenv <<-EOF orcl EOF echo "#############################" echo "# Cleaning Oracle Log Files #" echo "#############################" rm -Rf $ORACLE_BASE/admin/$ORACLE_SID/*dump/* rm -Rf $ORACLE_HOME/`hostname`_$ORACLE_SID/sysman/log/* read -p "Hit <enter> to continue" Summary Hope you find the above scripts useful.  They certainly stop me hanging around waiting for things to happen on my test machine and make it easy to run a test, change parameters, bounce the SOA Suite and clean the logs between runs so I can see exactly what is happening. Now I need to get that mower started…

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  • Linux Mint 10 LXDE computer to act as LTSP Server without luck

    - by Rautamiekka
    So I've tried to make our screen-broken HP laptop to also serve as LTSP Server in addition to various other tasks, without luck, which may be cuz I'm running LM10 LXDE while the instructions are for Ubuntu. Excuse my ignorance. The entire output from Terminal after installing LTSP stuff along with a Server kernel and a load of other packages: administrator@rauta-mint-turion ~ $ sudo lt ltrace ltsp-build-client ltsp-chroot ltspfs ltspfsmounter ltsp-info ltsp-localapps ltsp-update-image ltsp-update-kernels ltsp-update-sshkeys administrator@rauta-mint-turion ~ $ sudo ltsp-update-sshkeys administrator@rauta-mint-turion ~ $ sudo ltsp-update-kernels find: `/opt/ltsp/': No such file or directory administrator@rauta-mint-turion ~ $ sudo ltsp-build-client /usr/share/ltsp/plugins/ltsp-build-client/common/010-chroot-tagging: line 3: /opt/ltsp/i386/etc/ltsp_chroot: No such file or directory error: LTSP client installation ended abnormally administrator@rauta-mint-turion ~ $ sudo ltsp-update-image Cannot determine assigned port. Assigning to port 2000. mkdir: cannot create directory `/opt/ltsp/i386/etc/ltsp': No such file or directory /usr/sbin/ltsp-update-image: 274: cannot create /opt/ltsp/i386/etc/ltsp/update-kernels.conf: Directory nonexistent /usr/sbin/ltsp-update-image: 274: cannot create /opt/ltsp/i386/etc/ltsp/update-kernels.conf: Directory nonexistent Regenerating kernel... chroot: failed to run command `/usr/share/ltsp/update-kernels': No such file or directory Done. Configuring inetd... Done. Updating pxelinux default configuration...Done. Skipping invalid chroot: /opt/ltsp/i386 chroot: failed to run command `test': No such file or directory administrator@rauta-mint-turion ~ $ sudo ltsp-chroot chroot: failed to run command `/bin/bash': No such file or directory administrator@rauta-mint-turion ~ $ bash administrator@rauta-mint-turion ~ $ exit exit administrator@rauta-mint-turion ~ $ sudo ls /opt/ltsp i386 administrator@rauta-mint-turion ~ $ sudo ls /opt/ltsp/i386/ administrator@rauta-mint-turion ~ $ sudo ltsp-build-client NOTE: Root directory /opt/ltsp/i386 already exists, this will lead to problems, please remove it before trying again. Exiting. error: LTSP client installation ended abnormally administrator@rauta-mint-turion ~ $ sudo rm -rv /opt/ltsp/i386 removed directory: `/opt/ltsp/i386' administrator@rauta-mint-turion ~ $ sudo ltsp-build-client /usr/share/ltsp/plugins/ltsp-build-client/common/010-chroot-tagging: line 3: /opt/ltsp/i386/etc/ltsp_chroot: No such file or directory error: LTSP client installation ended abnormally administrator@rauta-mint-turion ~ $ aptitude search ltsp p fts-ltsp-ldap - LDAP LTSP module for the TFTP/Fuse supplicant p ltsp-client - LTSP client environment p ltsp-client-core - LTSP client environment (core) p ltsp-cluster-accountmanager - Account creation and management daemon for LTSP p ltsp-cluster-control - Web based thin-client configuration management p ltsp-cluster-lbagent - LTSP loadbalancer agent offers variables about the state of the ltsp server p ltsp-cluster-lbserver - LTSP loadbalancer server returns the optimal ltsp server to terminal p ltsp-cluster-nxloadbalancer - Minimal NX loadbalancer for ltsp-cluster p ltsp-cluster-pxeconfig - LTSP-Cluster symlink generator p ltsp-controlaula - Classroom management tool with ltsp clients p ltsp-docs - LTSP Documentation p ltsp-livecd - starts an LTSP live server on an Ubuntu livecd session p ltsp-manager - Ubuntu LTSP server management GUI i A ltsp-server - Basic LTSP server environment i ltsp-server-standalone - Complete LTSP server environment i A ltspfs - Fuse based remote filesystem for LTSP thin clients p ltspfsd - Fuse based remote filesystem hooks for LTSP thin clients p ltspfsd-core - Fuse based remote filesystem daemon for LTSP thin clients p python-ltsp - provides ltsp related functions administrator@rauta-mint-turion ~ $ sudo aptitude purge ltsp-server ltsp-server-standalone ltspfs The following packages will be REMOVED: debconf-utils{u} debootstrap{u} dhcp3-server{u} gstreamer0.10-pulseaudio{u} ldm-server{u} libpulse-browse0{u} ltsp-server{p} ltsp-server-standalone{p} ltspfs{p} nbd-server{u} openbsd-inetd{u} pulseaudio{u} pulseaudio-esound-compat{u} pulseaudio-module-x11{u} pulseaudio-utils{u} squashfs-tools{u} tftpd-hpa{u} 0 packages upgraded, 0 newly installed, 17 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 6,996kB will be freed. Do you want to continue? [Y/n/?] (Reading database ... 158454 files and directories currently installed.) Removing ltsp-server-standalone ... Purging configuration files for ltsp-server-standalone ... Removing ltsp-server ... Purging configuration files for ltsp-server ... dpkg: warning: while removing ltsp-server, directory '/var/lib/tftpboot/ltsp' not empty so not removed. dpkg: warning: while removing ltsp-server, directory '/var/lib/tftpboot' not empty so not removed. Processing triggers for man-db ... (Reading database ... 158195 files and directories currently installed.) Removing debconf-utils ... Removing debootstrap ... Removing dhcp3-server ... * Stopping DHCP server dhcpd3 [ OK ] Removing gstreamer0.10-pulseaudio ... Removing ldm-server ... Removing pulseaudio-module-x11 ... Removing pulseaudio-esound-compat ... Removing pulseaudio ... * PulseAudio configured for per-user sessions Removing pulseaudio-utils ... Removing libpulse-browse0 ... Processing triggers for man-db ... Processing triggers for ureadahead ... ureadahead will be reprofiled on next reboot Processing triggers for libc-bin ... ldconfig deferred processing now taking place (Reading database ... 157944 files and directories currently installed.) Removing ltspfs ... Processing triggers for man-db ... (Reading database ... 157932 files and directories currently installed.) Removing nbd-server ... Stopping Network Block Device server: nbd-server. Removing openbsd-inetd ... * Stopping internet superserver inetd [ OK ] Removing squashfs-tools ... Removing tftpd-hpa ... tftpd-hpa stop/waiting Processing triggers for ureadahead ... Processing triggers for man-db ... administrator@rauta-mint-turion ~ $ sudo aptitude purge ~c The following packages will be REMOVED: dhcp3-server{p} libpulse-browse0{p} nbd-server{p} openbsd-inetd{p} pulseaudio{p} tftpd-hpa{p} 0 packages upgraded, 0 newly installed, 6 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 0B will be used. Do you want to continue? [Y/n/?] (Reading database ... 157881 files and directories currently installed.) Removing dhcp3-server ... Purging configuration files for dhcp3-server ... Removing libpulse-browse0 ... Purging configuration files for libpulse-browse0 ... Removing nbd-server ... Purging configuration files for nbd-server ... Removing openbsd-inetd ... Purging configuration files for openbsd-inetd ... Removing pulseaudio ... Purging configuration files for pulseaudio ... Removing tftpd-hpa ... Purging configuration files for tftpd-hpa ... Processing triggers for ureadahead ... administrator@rauta-mint-turion ~ $ sudo aptitude install ltsp-server-standalone The following NEW packages will be installed: debconf-utils{a} debootstrap{a} ldm-server{a} ltsp-server{a} ltsp-server-standalone ltspfs{a} nbd-server{a} openbsd-inetd{a} squashfs-tools{a} The following packages are RECOMMENDED but will NOT be installed: dhcp3-server pulseaudio-esound-compat tftpd-hpa 0 packages upgraded, 9 newly installed, 0 to remove and 0 not upgraded. Need to get 0B/498kB of archives. After unpacking 2,437kB will be used. Do you want to continue? [Y/n/?] Preconfiguring packages ... Selecting previously deselected package openbsd-inetd. (Reading database ... 157868 files and directories currently installed.) Unpacking openbsd-inetd (from .../openbsd-inetd_0.20080125-4ubuntu2_i386.deb) ... Processing triggers for man-db ... Processing triggers for ureadahead ... Setting up openbsd-inetd (0.20080125-4ubuntu2) ... * Stopping internet superserver inetd [ OK ] * Starting internet superserver inetd [ OK ] Selecting previously deselected package ldm-server. (Reading database ... 157877 files and directories currently installed.) Unpacking ldm-server (from .../ldm-server_2%3a2.1.3-0ubuntu1_all.deb) ... Selecting previously deselected package debconf-utils. Unpacking debconf-utils (from .../debconf-utils_1.5.32ubuntu3_all.deb) ... Selecting previously deselected package debootstrap. Unpacking debootstrap (from .../debootstrap_1.0.23ubuntu1_all.deb) ... Selecting previously deselected package nbd-server. Unpacking nbd-server (from .../nbd-server_1%3a2.9.14-2ubuntu1_i386.deb) ... Selecting previously deselected package squashfs-tools. Unpacking squashfs-tools (from .../squashfs-tools_1%3a4.0-8_i386.deb) ... Selecting previously deselected package ltsp-server. GNU nano 2.2.4 File: /etc/ltsp/ltsp-update-image.conf # Configuration file for ltsp-update-image # By default, do not compress the image # as it's reported to make it unstable NO_COMP="-noF -noD -noI -no-exports" [ Switched to /etc/ltsp/ltsp-update-image.conf ] administrator@rauta-mint-turion ~ $ ls /opt/ firefox/ ltsp/ mint-flashplugin/ administrator@rauta-mint-turion ~ $ ls /opt/ltsp/i386/ administrator@rauta-mint-turion ~ $ ls /opt/ltsp/ i386 administrator@rauta-mint-turion ~ $ sudo ltsp ltsp-build-client ltsp-chroot ltspfs ltspfsmounter ltsp-info ltsp-localapps ltsp-update-image ltsp-update-kernels ltsp-update-sshkeys administrator@rauta-mint-turion ~ $ sudo ltsp-build-client NOTE: Root directory /opt/ltsp/i386 already exists, this will lead to problems, please remove it before trying again. Exiting. error: LTSP client installation ended abnormally administrator@rauta-mint-turion ~ $ ^C administrator@rauta-mint-turion ~ $ sudo aptitude purge ltsp ltspfs ltsp-server ltsp-server-standalone administrator@rauta-mint-turion ~ $ sudo aptitude purge ltsp-server The following packages will be REMOVED: ltsp-server{p} 0 packages upgraded, 0 newly installed, 1 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 1,073kB will be freed. The following packages have unmet dependencies: ltsp-server-standalone: Depends: ltsp-server but it is not going to be installed. The following actions will resolve these dependencies: Remove the following packages: 1) ltsp-server-standalone Accept this solution? [Y/n/q/?] The following packages will be REMOVED: debconf-utils{u} debootstrap{u} ldm-server{u} ltsp-server{p} ltsp-server-standalone{a} ltspfs{u} nbd-server{u} openbsd-inetd{u} squashfs-tools{u} 0 packages upgraded, 0 newly installed, 9 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 2,437kB will be freed. Do you want to continue? [Y/n/?] (Reading database ... 158244 files and directories currently installed.) Removing ltsp-server-standalone ... (Reading database ... 158240 files and directories currently installed.) Removing ltsp-server ... Purging configuration files for ltsp-server ... dpkg: warning: while removing ltsp-server, directory '/var/lib/tftpboot/ltsp' not empty so not removed. dpkg: warning: while removing ltsp-server, directory '/var/lib/tftpboot' not empty so not removed. Processing triggers for man-db ... (Reading database ... 157987 files and directories currently installed.) Removing debconf-utils ... Removing debootstrap ... Removing ldm-server ... Removing ltspfs ... Removing nbd-server ... Stopping Network Block Device server: nbd-server. Removing openbsd-inetd ... * Stopping internet superserver inetd [ OK ] Removing squashfs-tools ... Processing triggers for man-db ... Processing triggers for ureadahead ... administrator@rauta-mint-turion ~ $ sudo aptitude purge ~c The following packages will be REMOVED: ltsp-server-standalone{p} nbd-server{p} openbsd-inetd{p} 0 packages upgraded, 0 newly installed, 3 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 0B will be used. Do you want to continue? [Y/n/?] (Reading database ... 157871 files and directories currently installed.) Removing ltsp-server-standalone ... Purging configuration files for ltsp-server-standalone ... Removing nbd-server ... Purging configuration files for nbd-server ... Removing openbsd-inetd ... Purging configuration files for openbsd-inetd ... Processing triggers for ureadahead ... administrator@rauta-mint-turion ~ $ sudo rm -rv /var/lib/t teamspeak-server/ tftpboot/ transmission-daemon/ administrator@rauta-mint-turion ~ $ sudo rm -rv /var/lib/tftpboot removed `/var/lib/tftpboot/ltsp/i386/pxelinux.cfg/default' removed directory: `/var/lib/tftpboot/ltsp/i386/pxelinux.cfg' removed directory: `/var/lib/tftpboot/ltsp/i386' removed directory: `/var/lib/tftpboot/ltsp' removed directory: `/var/lib/tftpboot' administrator@rauta-mint-turion ~ $ sudo find / -name "ltsp" /opt/ltsp administrator@rauta-mint-turion ~ $ sudo rm -rv /opt/ltsp removed directory: `/opt/ltsp/i386' removed directory: `/opt/ltsp' administrator@rauta-mint-turion ~ $ sudo aptitude install ltsp-server-standalone The following NEW packages will be installed: debconf-utils{a} debootstrap{a} ldm-server{a} ltsp-server{a} ltsp-server-standalone ltspfs{a} nbd-server{a} openbsd-inetd{a} squashfs-tools{a} The following packages are RECOMMENDED but will NOT be installed: dhcp3-server pulseaudio-esound-compat tftpd-hpa 0 packages upgraded, 9 newly installed, 0 to remove and 0 not upgraded. Need to get 0B/498kB of archives. After unpacking 2,437kB will be used. Do you want to continue? [Y/n/?] Preconfiguring packages ... Selecting previously deselected package openbsd-inetd. (Reading database ... 157868 files and directories currently installed.) Unpacking openbsd-inetd (from .../openbsd-inetd_0.20080125-4ubuntu2_i386.deb) ... Processing triggers for man-db ... GNU nano 2.2.4 New Buffer GNU nano 2.2.4 File: /etc/ltsp/dhcpd.conf # # Default LTSP dhcpd.conf config file. # authoritative; subnet 192.168.2.0 netmask 255.255.255.0 { range 192.168.2.70 192.168.2.79; option domain-name "jarvinen"; option domain-name-servers 192.168.2.254; option broadcast-address 192.168.2.255; option routers 192.168.2.254; # next-server 192.168.0.1; # get-lease-hostnames true; option subnet-mask 255.255.255.0; option root-path "/opt/ltsp/i386"; if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" { filename "/ltsp/i386/pxelinux.0"; } else { filename "/ltsp/i386/nbi.img"; } } [ Wrote 22 lines ] administrator@rauta-mint-turion ~ $ sudo service dhcp3-server start * Starting DHCP server dhcpd3 [ OK ] administrator@rauta-mint-turion ~ $ sudo ltsp-build-client /usr/share/ltsp/plugins/ltsp-build-client/common/010-chroot-tagging: line 3: /opt/ltsp/i386/etc/ltsp_chroot: No such file or directory error: LTSP client installation ended abnormally administrator@rauta-mint-turion ~ $ sudo cat /usr/share/ltsp/plugins/ltsp-build-client/common/010-chroot-tagging case "$MODE" in after-install) echo LTSP_CHROOT=$ROOT >> $ROOT/etc/ltsp_chroot ;; esac administrator@rauta-mint-turion ~ $ cd $ROOT/etc/ltsp_chroot bash: cd: /etc/ltsp_chroot: No such file or directory administrator@rauta-mint-turion ~ $ cd $ROOT/etc/ administrator@rauta-mint-turion /etc $ ls acpi chatscripts emacs group insserv.conf.d logrotate.conf mysql php5 rc6.d smbnetfs.conf UPower adduser.conf ConsoleKit environment group- iproute2 logrotate.d nanorc phpmyadmin rc.local snmp usb_modeswitch.conf alternatives console-setup esound grub.d issue lsb-base nbd-server pm rcS.d sound usb_modeswitch.d anacrontab cron.d firefox gshadow issue.net lsb-base-logging.sh ndiswrapper pnm2ppa.conf request-key.conf ssh ushare.conf apache2 cron.daily firefox-3.5 gshadow- java lsb-release netscsid.conf polkit-1 resolvconf ssl vga apm cron.hourly firestarter gtk-2.0 java-6-sun ltrace.conf network popularity-contest.conf resolv.conf sudoers vim apparmor cron.monthly fonts gtkmathview kbd ltsp NetworkManager ppp rmt sudoers.d vlc apparmor.d crontab foomatic gufw kernel lxdm networks printcap rpc su-to-rootrc vsftpd.conf apport cron.weekly fstab hal kernel-img.conf magic nsswitch.conf profile rsyslog.conf sweeprc w3m apt crypttab ftpusers hdparm.conf kerneloops.conf magic.mime ntp.conf profile.d rsyslog.d sysctl.conf wgetrc at.deny cups fuse.conf host.conf kompozer mailcap obex-data-server protocols samba sysctl.d wildmidi auto-apt dbconfig-common gai.conf hostname ldap mailcap.order ODBCDataSources psiconv sane.d teamspeak-server wodim.conf avahi dbus-1 gamin hosts ld.so.cache manpath.config odbc.ini pulse screenrc terminfo wpa_supplicant bash.bashrc debconf.conf gconf hosts.allow ld.so.conf menu openal purple securetty thunderbird X11 bash_completion debian_version gdb hosts.deny ld.so.conf.d menu-methods openoffice python security timezone xdg bash_completion.d default gdm hp legal mime.types opt python2.6 sensors3.conf transmission-daemon xml bindresvport.blacklist defoma ghostscript ifplugd lftp.conf mke2fs.conf pam.conf python2.7 sensors.d ts.conf xulrunner-1.9.2 blkid.conf deluser.conf gimp inetd.conf libpaper.d modprobe.d pam.d python3.1 services ucf.conf zsh_command_not_found blkid.tab depmod.d gnome init libreoffice modules pango rc0.d sgml udev bluetooth dhcp gnome-system-tools init.d linuxmint motd papersize rc1.d shadow ufw bonobo-activation dhcp3 gnome-vfs-2.0 initramfs-tools locale.alias mplayer passwd rc2.d shadow- updatedb.conf ca-certificates dictionaries-common gnome-vfs-mime-magic inputrc localtime mtab passwd- rc3.d shells update-manager ca-certificates.conf doc-base gre.d insserv logcheck mtab.fuselock pcmcia rc4.d skel update-motd.d calendar dpkg groff insserv.conf login.defs mtools.conf perl rc5.d smb2www update-notifier administrator@rauta-mint-turion /etc $ cd ltsp/ administrator@rauta-mint-turion /etc/ltsp $ ls dhcpd.conf ltsp-update-image.conf administrator@rauta-mint-turion /etc/ltsp $ cat dhcpd.conf # # Default LTSP dhcpd.conf config file. # authoritative; subnet 192.168.2.0 netmask 255.255.255.0 { range 192.168.2.70 192.168.2.79; option domain-name "jarvinen"; option domain-name-servers 192.168.2.254; option broadcast-address 192.168.2.255; option routers 192.168.2.254; # next-server 192.168.0.1; # get-lease-hostnames true; option subnet-mask 255.255.255.0; option root-path "/opt/ltsp/i386"; if substring( option vendor-class-identifier, 0, 9 ) = "PXEClient" { filename "/ltsp/i386/pxelinux.0"; } else { filename "/ltsp/i386/nbi.img"; } } administrator@rauta-mint-turion /etc/ltsp $

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  • How to improve this bash shell script for turning hardlinks into symlinks?

    - by MountainX
    This shell script is mostly the work of other people. It has gone through several iterations, and I have tweaked it slightly while also trying to fully understand how it works. I think I understand it now, but I don't have confidence to significantly alter it on my own and risk losing data when I run the altered version. So I would appreciate some expert guidance on how to improve this script. The changes I am seeking are: make it even more robust to any strange file names, if possible. It currently handles spaces in file names, but not newlines. I can live with that (because I try to find any file names with newlines and get rid of them). make it more intelligent about which file gets retained as the actual inode content and which file(s) become sym links. I would like to be able to choose to retain the file that is either a) the shortest path, b) the longest path or c) has the filename with the most alpha characters (which will probably be the most descriptive name). allow it to read the directories to process either from parameters passed in or from a file. optionally, write a long of all changes and/or all files not processed. Of all of these, #2 is the most important for me right now. I need to process some files with it and I need to improve the way it chooses which files to turn into symlinks. (I tried using things like the find option -depth without success.) Here's the current script: #!/bin/bash # clean up known problematic files first. ## find /home -type f -wholename '*Icon* ## *' -exec rm '{}' \; # Configure script environment # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ set -o nounset dir='/SOME/PATH/HERE/' # For each path which has multiple links # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # (except ones containing newline) last_inode= while IFS= read -r path_info do #echo "DEBUG: path_info: '$path_info'" inode=${path_info%%:*} path=${path_info#*:} if [[ $last_inode != $inode ]]; then last_inode=$inode path_to_keep=$path else printf "ln -s\t'$path_to_keep'\t'$path'\n" rm "$path" ln -s "$path_to_keep" "$path" fi done < <( find "$dir" -type f -links +1 ! -wholename '* *' -printf '%i:%p\n' | sort --field-separator=: ) # Warn about any excluded files # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ buf=$( find "$dir" -type f -links +1 -path '* *' ) if [[ $buf != '' ]]; then echo 'Some files not processed because their paths contained newline(s):'$'\n'"$buf" fi exit 0

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  • Syntax error near unexpected token 'fi'

    - by Bill Sherwin
    I have created a very simple script (see below) but cannot get it to run properly. I always get messages saying line 5: syntax error near unexpected token 'fi' line 5: 'fi' when I try to execute this script. #!/bin/sh rm /opt/file_name if $? -ne 0 then echo 'error' fi exit I am running this on Red Hat Linux if that makes any difference. If any one can help identify what is wrong with the if statement I'd really appreciate it. Bill

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  • Starting/Stopping Custom PHP Chat Server Linux Service (CentOS)

    - by chad
    I have been trying all night to get this service working properly. I created this script from a template and am very new to bash coding. I wrote a fully functioning chat server in php which runs endlessly, but now want to make it a dedicated service. I want to do this so that it starts on server boot and boots back up if possible when there are any down-times with the server. The issue is that I need this thing to run in a detached screen so that I can monitor packet data or send server commands via SSH when need-be. The main problem that i'm having is that it needs to have its own PID when it starts so that I can stop/restart it when needed. I am the type who grinds on coding until I figure it out, but this is so new to me that it seems the learning curve here is very steep and frustrating. Below is my code if anybody can please help me with this one, i've gotten so tired I can't even concentrate any more :( #!/bin/sh # # chatserver # # chkconfig: 345 20 90 # description: chatServer Linux Service Daemon \ # for general server handling ### BEGIN INIT INFO # Provides: chatserver # Required-Start: $local_fs $network $named $syslog # Required-Stop: $local_fs $syslog # Default-Start: 3 4 5 # Default-Stop: 0 1 2 6 # Short-Description: This service maintains the chatServer # Description: chatServer Linux Service Daemon # for general server handling ### END INIT INFO # Source function library. . /etc/rc.d/init.d/functions exec="screen php -q /var/www/html/chatServer.php" prog="chatserver" config="/etc/sysconfig/$prog" pidfile="/var/run/chatserver.pid" [ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog lockfile=/var/lock/subsys/$prog start() { #$exec || exit 5 echo -n $"Starting $prog: " daemon $exec --name=$exec --pidfile=$pidfile retval=$? echo [ $retval -eq 0 ] && touch $lockfile return $retval } stop() { echo -n $"Stopping $prog: " killproc -p $pidfile rm -f $pidfile retval=$? echo [ $retval -eq 0 ] && rm -f $lockfile return $retval } restart() { stop start } reload() { restart } force_reload() { restart } rh_status() { # run checks to determine if the service is running or use generic status status $prog } rh_status_q() { rh_status >/dev/null 2>&1 } case "$1" in start) rh_status_q && exit 0 $1 ;; stop) rh_status_q || exit 0 $1 ;; restart) $1 ;; reload) rh_status_q || exit 7 $1 ;; force-reload) force_reload ;; status) rh_status ;; condrestart|try-restart) rh_status_q || exit 0 restart ;; *) echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}" exit 2 esac exit $?

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  • BUILDROOT files during RPM generation

    - by khmarbaise
    Currently i have the following spec file to create a RPM. The spec file is generated by maven plugin to produce a RPM out of it. The question is: will i find files which are mentioned in the spec file after the rpm generation inside the BUILDROOT/SPECS/SOURCES/SRPMS structure? %define _unpackaged_files_terminate_build 0 Name: rpm-1 Version: 1.0 Release: 1 Summary: rpm-1 License: 2009 my org Distribution: My App Vendor: my org URL: www.my.org Group: Application/Collectors Packager: my org Provides: project Requires: /bin/sh Requires: jre >= 1.5 Requires: BASE_PACKAGE PreReq: dependency Obsoletes: project autoprov: yes autoreq: yes BuildRoot: /home/build/.jenkins/jobs/rpm-maven-plugin/workspace/target/it/rpm-1/target/rpm/rpm-1/buildroot %description %install if [ -e $RPM_BUILD_ROOT ]; then mv /home/build/.jenkins/jobs/rpm-maven-plugin/workspace/target/it/rpm-1/target/rpm/rpm-1/tmp-buildroot/* $RPM_BUILD_ROOT else mv /home/build/.jenkins/jobs/rpm-maven-plugin/workspace/target/it/rpm-1/target/rpm/rpm-1/tmp-buildroot $RPM_BUILD_ROOT fi ln -s /usr/myusr/app $RPM_BUILD_ROOT/usr/myusr/app2 ln -s /tmp/myapp/somefile $RPM_BUILD_ROOT/tmp/myapp/somefile2 ln -s name.sh $RPM_BUILD_ROOT/usr/myusr/app/bin/oldname.sh %files %defattr(-,myuser,mygroup,-) %dir "/usr/myusr/app" "/usr/myusr/app2" "/tmp/myapp/somefile" "/tmp/myapp/somefile2" "/usr/myusr/app/lib" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/start.sh" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/filter-version.txt" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/name.sh" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/name-Linux.sh" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/filter.txt" %attr(755,myuser,mygroup) "/usr/myusr/app/bin/oldname.sh" %dir "/usr/myusr/app/conf" %config "/usr/myusr/app/conf/log4j.xml" "/usr/myusr/app/conf/log4j.xml.deliver" %prep echo "hello from prepare" %pre -p /bin/sh #!/bin/sh if [ -s "/etc/init.d/myapp" ] then /etc/init.d/myapp stop rm /etc/init.d/myapp fi %post #!/bin/sh #create soft link script to services directory ln -s /usr/myusr/app/bin/start.sh /etc/init.d/myapp chmod 555 /etc/init.d/myapp %preun #!/bin/sh #the argument being passed in indicates how many versions will exist #during an upgrade, this value will be 1, in which case we do not want to stop #the service since the new version will be running once this script is called #during an uninstall, the value will be 0, in which case we do want to stop #the service and remove the /etc/init.d script. if [ "$1" = "0" ] then if [ -s "/etc/init.d/myapp" ] then /etc/init.d/myapp stop rm /etc/init.d/myapp fi fi; %triggerin -- dependency, dependency1 echo "hello from install" %changelog * Tue May 23 2000 Vincent Danen <[email protected]> 0.27.2-2mdk -update BuildPreReq to include rep-gtk and rep-gtkgnome * Thu May 11 2000 Vincent Danen <[email protected]> 0.27.2-1mdk -0.27.2 * Thu May 11 2000 Vincent Danen <[email protected]> 0.27.1-2mdk -added BuildPreReq -change name from Sawmill to Sawfish The problem i found is that the files (filter.txt in particular) after the generation process on a Ubuntu system but not on SuSE system. Which might be caused by different rpm versions ? Currently we have an integration test which fails based on the non existing of the file (filter.txt under a buildroot folder?)

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  • How to stop Vim from scrolling when splitting vertically

    - by WoLpH
    The problem Somehow on this box every time I split a window (^W v or :vs) the original pane scrolls in such a way that my cursor is exactly scrolloff=5 from the top. I have tried to remove all ~/.vim* and /etc/vim* files but no dice. Even a aptitude purge vim followed by a rm -rf /usr/share/vim/ /etc/vim* didn't change anything. Note: This seems to be specific to a certain Vim version since I do not have this on my other boxes with the same .vimrc. Versions Vim: 7.3 Ubuntu: 11.04

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  • remotely running find -exec options

    - by Michael Merchant
    I'm trying to setup a bash process for deploying my django project onto a linux server. Through cygwin, I'm running a script that is calling scp to copy my files over. Is there a similar command to delete *.pyc files. As of now, I've only been able to accomplish this locally after using ssh with: find . -name "*.pyc" -exec rm -rf {} \; I'm looking for some kind of command to call remotely that would be equivalent.

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  • Why can't I create soft link on vboxsf file system?

    - by Artem Ice
    ln -s keeps saying me that file system is read-only, however it is not. ice@distantstar:~/virt ? touch file ice@distantstar:~/virt ? rm file ice@distantstar:~/virt ? ln -s ~/.bashrc ~/virt/.bashrc ln: failed to create symbolic link `/home/ice/virt/.bashrc': Read-only file system ice@distantstar:~/virt ? mount | grep virt none on /home/ice/virt type vboxsf (rw,nodev,relatime) ice@distantstar:~/virt ? cat /etc/fstab | grep virt VIRT /home/ice/virt vboxsf rw 0 0

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  • How to rename dir under Mac (10.6.4) via super user?

    - by user56990
    This is my dir list on my NFS: macbook-pro-andrey-k:Download Andrey$ ls 1289816143_PL_t1181913 1289816171_PL_t1183807 1290117075_BFD_DVD02(Drums) I can't delete "1290117075_BFD_DVD02(Drums)" using sudo rm -Rf 1290117075_BFD_DVD02(Drums) because I get error message -bash: syntax error near unexpected token `(' Hlp plz, how can I either rename the dir so that the error message would not show up or delete the dir right away omitting rename procedure? Thank you.

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  • Deleting large no of files on linux eats up CPU

    - by Sanjay
    I generate more than 50GB of cache files on my RHEL server (and typical file size is 200kb so no of files is huge). When I try to delete these files it takes 8-10 hours. However, the bigger issue is that the system load goes to critical for these 8-10 hours. Is there anyway where I can keep the system load under control during the deletion. I tried using nice -n19 rm -rf * but that doesn't help in system load.

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  • How can I recover my ext4 ubuntu partition from my windows parition?

    - by officespace
    I dual boot windows and ubuntu 10.04. I accidentally did an rm -r * in my home directory and deleted a bunch of files and folders that I need to recover. How can I recover these files from my windows xp partition? If there's isn't a way to do this from windows, what's the best way to do it in ubuntu? I'd prefer a graphical interface if that's possible. I appreciate the help.

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  • Single line command/script to archive a certain amount of folders

    - by EarthMind
    I'm looking for a single line command or a script that archives 5 folders into .tar files (no gzip/bzip needed) in a certain directory and deletes the folders after a successful compression. It has to use the original folder name as file name for the archive too. So far I've used the current command, which only does one directory per time: tar -c directory > directory.tar && rm -rf directory Thanks in advance.

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