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• .desktop shortcuts aren't working for java applications in LXDE

  - by chaz

  I just installed minecraft on my LXDE desktop/Lubuntu machine and I'm trying to create a .desktop file on the desktop that executes java -jar ~/minecraftlauncher.jar. The command works in bash scripts and the terminal but refuses to work when I click on my .DESKTOP shortcut which is suppose to execute the same command. I've experimented with other jars and they can't seem to start too. Here is my xsession log: ** (pcmanfm:1572): DEBUG: launch command: <java -jar ~/Downloads/minecraft_server.jar> ** (pcmanfm:1572): DEBUG: sn_id = pcmanfm-1572-administrator-Dimension-3000-java-14_TIME14031891 Unable to access jarfile ~/Downloads/minecraft_server.jar ** (pcmanfm:1572): DEBUG: launch command: <java -jar ~/minecraftlauncher.jar> ** (pcmanfm:1572): DEBUG: sn_id = pcmanfm-1572-administrator-Dimension-3000-java-15_TIME14070158 Unable to access jarfile ~/minecraftlauncher.jar UPDATE: Whoops, it seems to work when I give an absolute path. I guess the home path is something else. UPDATE: I guess X doesn't resolve the home specifier. I ran a .desktop file that executed a script that outputs the current directory, and it seems to be correct.

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• Weird behaviour/rendering of backspace in Terminal.app when SSHing into zsh

  - by Nils Riedemann

  Hi there, I just stumbled upon a weird problem. When I SSH into my server (centos, zsh) and I type some stuff and hit backspace It looks like a space - but internally it really deleted the characters. ls -l a Note that the space between land a is actually when I hit backspace. When I now hit return ls -a gets executed. This is only in zsh, in bash it works fine. Hope anyone has an idea what this is all about and how to fix this.

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• How to execute programs on mounted partition

  - by DevNoob

  This is the aplication I want to run. -rwxr-xr-x 1 manuel manuel 582841 Nov 22 09:51 PromServerMain This is the fstab entry /dev/sda8 /media/data0 ext4 defaults,user 0 2 This is the mountpoint lrwxrwxrwx 1 manuel manuel 5 Nov 16 14:23 data -> data0 drwxrwxr-x 9 manuel manuel 4096 Nov 22 09:26 data0 This is what I get manuel@P5KC /media/data/Projekte/PromServer/src $ ./PromServerMain bash: ./PromServerMain: Keine Berechtigung manuel@P5KC /media/data/Projekte/PromServer/src $ sudo ./PromServerMain sudo: unable to execute ./PromServerMain: Permission denied Even as root. I have no clue whats wrong. Any suggestions? System is Debian Wheezy Xfce.

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• PHP Output buffer flush issue on Apache/Linux

  - by Iiro Vaahtojärvi

  Hi, I'm running into issues with the PHP output buffer flushing on my Linux web server. The output buffer is maintained correctly and all the right data is pushed to it in my code, but the usual flushing mechanisms won't flush it to the browser. I have tried everything posted here: http://php.net/manual/en/function.flush.php but no success so far. I got a small script from php.net to test it: <?php ob_start(); for($i=0;$i<70;$i++) { echo 'printing...<br />'; ob_get_flush(); flush(); usleep(300000); } ?> This should print "printing..." to the browser 70 times, one line every three seconds. This works fine on my other testing environment which is based on Windows (still using apache, XAMPP package), but on my Linux server it doesn't. It waits for the script to finish before giving anything to the browser, basically ignoring the whole flush command. If anyone has experienced this before or knows of anything that could help (be it server configuration or adjustment to code) it would be greatly appreciated!

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• Added user to CentOS, Updated sshd_config with AllowUsers, Login denied

  - by Gregg

  CentOS 5.3. I can SSH into the system as root just fine. Added a user and set their password. They have shell access (/bin/bash). I can su to the account from root just fine. I updated /etc/ssh/sshd_config with: AllowUsers myNewUser And restarted sshd: /etc/init.d/sshd restart When trying to ssh into the server with the new user, I get a permission denied. And yes, I've double and triple checked that I am using the correct password. Any help is appreciated.

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• While loop read multiple lines from a grep

  - by Basil

  I'm writing a script in AIX 5.3 that will loop through the output of a df and check each volume against another config file. If the volume appears in the config file, it will set a flag which is needed later in the script. If my config file only has a single column and I use a for loop, this works perfectly. My problem, however, is that if I use a while read loop to populate more than one variable per line, any variables I set between the while and the done are discarded. For example, assuming the contents of /netapp/conf/ExcludeFile.conf are a bunch of lines containing two fields each: volName="myVolume" utilization=70 thresholdFlag=0 grep volName /netapp/conf/ExcludeFile.conf | while read vol threshold; do if [ $utilization -ge $threshold ] ; then thresholdFlag=1 fi done echo "$thresholdFlag" In this example, thresholdFlag will always be 0, even if the volume appears in the file and its utilization is greater than the threshold. I could have added an echo "setting thresholdFlag to 1" in there, see the echo, and it'll still echo a 0 at the end. Is there a clean way to do this? I think my while loop is being done in a subshell, and changes I make to variables in there are actually being made to local variables that are discarded after the done.

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• bond0 and xen = crash

  - by Rajat

  Bonding with xen 1 - Stop all guests. Reboot dom0 after running "chkconfig xend off" and "chkconfig xendomains off". 2 - Configure bond0 by enslaving eth0 and eth1 to it. I added the below two entries to /etc/modprobe.conf. alias bond0 bonding options bond0 mode=6,miimon=100 Content of /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none Content of /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE=eth1 USERCTL=no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none Content of /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 IPADDR= NETMASK= ONBOOT=yes BOOTPROTO=static USERCTL=no Did "modprobe bond0" and "service network restart" after that. 3 - Edit /etc/xen/xend-config.sxp Change (network-script network-bridge) To (network-script 'network-bridge netdev=bond0') 4 - Start xend. "service xend start". 5 - chkconfig xend on. 6 - modprode bond0 7 - more /proc/net/bonding/bond0 8 - Create guest images as usual and bridge it to xenbr0. about config i did for my xen kernel rhel 5.3 after i reboot the host server i get in place bond0 get pbond0 and its get disconnect from network only i ping to my vm's on the host server any one have any idea why xen bond0 is acting like that or what is solutions to come out of pbond0 to bond0.

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• django : nginx : jquery css not being served

  - by PlanetUnknown

  I'm using apache+mod_wsgi for django. And all css/js/images are served through nginx. For some odd, reason when others/friends/colleagues try accessing the site, jquery/css is not getting loaded for them, hence the page looks jumbled up. My html files use code like this - <link rel="stylesheet" type="text/css" href="http://x.x.x.x:8000/css/custom.css"/> <script type="text/javascript" src="http://1x.x.x.x:8000/js/custom.js"></script> My nginx configuration in sites-available is like this - server { listen 8000; server_name localhost; access_log /var/log/nginx/aa8000.access.log; error_log /var/log/nginx/aa8000.error.log; location / { index index.html index.htm; } location /static/ { autoindex on; root /opt/aa/webroot/; } } There is a directory /opt/aa/webroot/static/ which have corresponding css & js directories. The odd thing is that the pages show fine when I access them. I have cleared my cache/etc, but the page loads fine for me, from various browsers. Also, I don't see any 404 any error in the nginx log files. Actually the logs for nginx are not getting refreshed at all. I restarted the nginx server using root, is that incorrect ? There is a user www-data defined in the nginx configuration file. Any pointers would be great.

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• rvm doesnt work when specifiying the path...?

  - by jtzero

  when typing in the path to the rvm it doesnt work $which rvm /usr/local/bin/rvm $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] $/usr/local/bin/rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.9.2p0 (2010-08-18 revision 29036) [i686-linux] #now w/o the path $rvm use 1.8.7 Using /usr/local/rvm/gems/ruby-1.8.7-p302 $ruby -v ruby 1.8.7 (2010-08-16 patchlevel 302) [i686-linux] $whereis rvm rvm: /usr/local/bin/rvm /usr/local/lib/rvm /usr/local/rvm .... /etc/bash.bashrc .... if [[ -n "$PS1" ]]; then ... [[ -s "/usr/local/rvm/scripts/rvm" ]] && . "/usr/local/rvm/scripts/rvm" anyone seen this?

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• Website memory problem

  - by Toktik

  I have CentOS 5 installed on my server. I'm in VPS server. I have site where I have constant online ~150. First look on site looks OK. But when I go through links, sometimes I receive Out of memory PHP error. It looks like this Fatal error: Out of memory (allocated 36962304) (tried to allocate 7680 bytes) in /home/host/public_html/sites/all/modules/cck/modules/fieldgroup/fieldgroup.install on line 100 And always, not allocated memory is very small. In average I have 30% CPU load, 25% RAM load. So I think here is not a physical memory problem. My PHP memory limit was set to 1500MB. My apache error log looks like this [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Out of memory, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Premature end of script headers: index.php, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Out of memory, referer: http://www.host.com/17402 [Thu Sep 30 17:48:59 2010] [error] [client 91.204.190.5] Premature end of script headers: index.php, referer: http://www.host.com/17402 [Thu Sep 30 17:49:00 2010] [error] [client 91.204.190.5] File does not exist: /home/host/public_html/favicon.ico Past I have not met with this on my server and the problem appeared itself. Besides this I'm receiving some server errors on mail. cpsrvd failed @ Fri Sep 24 16:45:20 2010. A restart was attempted automagically. Service Check Method: [tcp connect] Failure Reason: Unable to connect to port 2086 Same for tailwatchd. Support tried, and can't help me...

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• pip install very slow through virtual box

  - by AJP

  pip install --exists-action=w -r requirements.txt is very very slow through virtual box. Any suggests of how to diagnose and fix? Would seeing the VagrantFile be useful? VirtualBox 4.2.12 (can't upgrade to .14 as it doesn't work.) Vagrant 1.0.7 Host machine: ProductName: Mac OS X ProductVersion: 10.7.5 BuildVersion: 11G63b VagrantFile contains: Vagrant::Config.run do |config| config.vm.box = "precise64" config.vm.customize ["modifyvm", :id, "--memory", 2048] config.vm.box_url = "http://files.vagrantup.com/precise64.box" config.vm.network :hostonly, "33.33.33.21" config.vm.forward_port 5000, 5000 config.vm.forward_port 5555, 5555 config.vm.share_folder "v-root", "/vagrant", "./" Vagrant::Config.run do |config| config.vm.provision :shell, :inline => "VENV=/usr/local/venv bash /vagrant/setup_env.sh" end end Normal download speed is only about 5 times slower at 0.8 Mb per second versus 4 MB per second (as judged by curling a 50 Mb file from S3). But pip install is taking about 20 times longer from Mac (i.e. about 40 minutes) versus 2.

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• Clear scr does not work

  - by idea_

  I haven't been able to use the "clear scr" command in a while, as I get the following error: root@server:~# clear The program 'clear' is currently not installed. You can install it by typing: apt-get install ncurses-bin bash: clear: command not found root@server:~# apt-get install ncurses-bin Reading package lists... Done Building dependency tree Reading state information... Done ncurses-bin is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. I'm using Ubuntu Server 9.10. I did some development with the ncurses library a while ago, so I've no doubt broken something.

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• How do I ensure a process is running, even if it kills itself? (it needs to be restarted then)

  - by le_me

  I'm using linux. I want a process (an irc bot) to run every time I start the computer. But I've got a problem: The network is bad and it disconnects often, so I need to manually restart the bot a few times a day. How do I automate that? Additional information: The bot creates a pid file, called bot.pid The bot reconnects itself, but only a few times. The network is too bad, so the bot kills itself sometimes because it gets no response. What I do currently (aka my approach ;) ) I have a cron job executing startbot.rb every 5 minutes. (The script itself is in the same directory as the bot) The script: #!/usr/bin/ruby require 'fileutils' if File.exists?(File.expand_path('tmp/bot.pid')) @pid = File.read(File.expand_path('tmp/bot.pid')).chomp!.to_i begin raise "ouch" if Process.kill(0, @pid) != 1 rescue puts "Removing abandoned pid file" FileUtils.rm(File.expand_path('tmp/bot.pid')) puts "Starting the bot!" Kernel.exec(File.expand_path('./bot.rb')) else puts "Bot up and running!" end else puts "Starting the bot!" Kernel.exec(File.expand_path('./bot.rb')) end What this does: It checks if the pid file exists, if that's true it checks if kill -s 0 BOT_PID == 1 (if the bot's running) and starts the bot if one of the two checks fail/are not true. My approach seems to be quite dirty so how do I do it better?

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• On AWS EC2, Unable to run sudo command after modifying permissions to /usr folder

  - by Kayote

  All, We have searched quite a bit and a few of 'Eliah Kagan's' posts are great about getting access back to sudo. However, our server is on AWS EC2 & I am a complete newbie to this. We are trying to setup Cronjobs for backing up our server data. What we did: Using Putty, we created a script file: usr/share/site-db-backup/backupToS3.php, however, Ubuntu was not saving the changes we made as it reported we did not have permission as user 'Ubuntu'. Error details are: "Upload of file backupToS3.php was successful but error occurred while setting the permission &/ or timestamp. If the problem persists, turn on 'ignore permission errors' option. Permission denied. Error code: 3 Request code 9" So, we ran the command "sudo chmod -R a+rwx /usr" for granting permission to the folder 'usr'. However, now whatever sudo command is run, we get the error: "/usr/lib/sudo/sudoers.so must be only be writable by owner. fatal error, unable to load plugins." We are complete newbies to Ubuntu & EC2 so do need step by step guidance of how to get sudo back & successfully write to the Crontab script sitting in 'usr/' folder.

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• How to make cygwin shortcut stick to Windows 7 dock

  - by Frank Krueger

  I have recently installed cygwin on a Windows 7 beta machine. Everything works great, except one little annoyance: The cygwin shortcut (Start-All Programs-cygwin-cygwin Bash Shell) cannot be pinned to the Start menu. My guess as to why is that I already have a "Console" window pinned to the start menu. My guess is that Windows sees that the two EXEs are the same and won't let me pin it. This would be fine except I cannot pin the window to the Dock either. While cygwin is running, WIndows interprets it as just a Command Window and won't let me pin it either. How do you pin the cygwin shortcut to the dock?

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• Monit wont start/stop any processes

  - by Vaughan Magnusson

  Hi, I've got monit running on a linux vserver, installed in a custom location /home/user/bin/monit as that is the only suitable location according to the webhost providers. When I installed monit I used ./configure --prefix=/home/user Monit itself runs, and sends me emails of it's activity, and the control file syntax is correct. However, monit cannot seem to start or stop anything - or even run the simplest of scripts. eg. Using 'monit stop all', I try to run the following stop command stop = "/bin/bash /home/user/simple_script.sh" Which fails (and says so in the log). I cant figure out why this is failing, can anyone help with this?

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• Add folder name to beginning of filename

  - by shekhar

  I have a directory structure as below: Folder > SubFolder1 > FileName1.abc > Filename2.abc > ............. > SubFolder2 > FileName11.abc > Filename12.abc > .............. > .......... etc. I want to rename the files inside the subfolders as: SubFolder1_Filename1.abc SubFolder1_Filename2.abc SubFolder2_Filename11.abc SubFolder2_Filename12.abc i.e. add the folder name at the beginning of the file name with the delimiter "_". The directory structure should remain unchanged. Note: Beginning of file name is same. e.g. in above case File*. I made below Script for /r "PATH" %%G in (.) do ( pushd %%G for %%* in (.) do set MyDir=%%~n* FOR %%v IN (File*.*) DO REN %%v "%MyDir%_%%v" popd ) Problem with the above script is that it is taking only one Subfolder name and placing it to the beginning of file name irrespective of the folder.

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• How to convert Windows filenames (from a checksums.md5) to *nix notation so I can use it on my shell with md5sum?

  - by Somebody still uses you MS-DOS

  I have some checksums.md5 verification files from an ntfs external drive, but using windows notation: \ instead of /, spaces between file names (not escaped), reserved shell characters (like (, &, ', to name a few). The checksums.md5 has a bunch of checksums and filenames: ;Created by program ;2010 f12f75c1f2d1a658dc32ca6ef9ef3ffc *My Windows & Files (2010)\[bak]\testing.wmv 53445e1a0821b790872e60bd7a166887 *My Windows Files' 2 (2012)\[bak]\testing.wmv 53445e1a0821b790872e60bd7a166887 *My Windows Files ˜nicóde (2012)\[bak]\testing.wmv ;Finished I want to use this checksums.md5 to verify the files that I've copied to my machine: but I'm on a Linux, so I need to convert the names inside checksums.md5 from Windows to Linux to use the md5sum utility from the shell. The first line in my example would become: f12f75c1f2d1a658dc32ca6ef9ef3ffc My\ Windows\ \&\ Files\ \(2010\)/\[bak\]/testing.wmv Is there some application for this (converting a file listing, from windows cmd notation, to linux shell notation) or will I need to create a bash script using sed that just "replaces" what is "wrong" with the filenames?

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• Juniper’s Network Connect ncsvc on Linux: “host checker failed, error 10”

  - by hfs

  I’m trying to log in to a Juniper VPN with Network Connect from a headless Linux client. I followed the instructions and used the script from http://mad-scientist.us/juniper.html. When running the script with --nogui switch the command that gets finally executed is $HOME/.juniper_networks/network_connect/ncsvc -h HOST -u USER -r REALM -f $HOME/.vpn.default.crt. I get asked for the password, a line “Connecting to…” is printed but then the programm silently stops. When adding -L 5 (most verbose logging) to the command line, these are the last messages printed to the log: dsclient.info state: kStateCacheCleaner (dsclient.cpp:280) dsclient.info --> POST /dana-na/cc/ccupdate.cgi (authenticate.cpp:162) http_connection.para Entering state_start_connection (http_connection.cpp:282) http_connection.para Entering state_continue_connection (http_connection.cpp:299) http_connection.para Entering state_ssl_connect (http_connection.cpp:468) dsssl.para SSL connect ssl=0x833e568/sd=4 connection using cipher RC4-MD5 (DSSSLSock.cpp:656) http_connection.para Returning DSHTTP_COMPLETE from state_ssl_connect (http_connection.cpp:476) DSHttp.debug state_reading_response_body - copying 0 buffered bytes (http_requester.cpp:800) DSHttp.debug state_reading_response_body - recv'd 0 bytes data (http_requester.cpp:833) dsclient.info <-- 200 (authenticate.cpp:194) dsclient.error state host checker failed, error 10 (dsclient.cpp:282) ncapp.error Failed to authenticate with IVE. Error 10 (ncsvc.cpp:197) dsncuiapi.para DsNcUiApi::~DsNcUiApi (dsncuiapi.cpp:72) What does host checker failed mean? How can I find out what it tried to check and what failed? The HostChecker Configuration Guide mentions that a $HOME/.juniper_networks/tncc.jar gets installed on Linux, but my installation contains no such file. From that I concluded that HostChecker is disabled for my VPN on Linux? Are the POST to /dana-na/cc/ccupdate.cgi and “host checker failed” connected or independent? By running the connection over a SSL proxy I found out that the POST data is status=NOTOK (Funny side note: the client of the oh-so-secure VPN does not validate the server’s SSL certificate, so is wide open to MITM attacks…). So it seems that it’s the client that closes the connection and not the server.

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• Recursively resize images from one directory tree to another?

  - by davr

  I have a large complex directory tree full of JPG images. I would like to create a second directory tree that exactly mirrors the first, but resizing all the images down to a set size (say 2000x1500 or something) and quality (perhaps 85%). Is there any tool that would allow me to easily do this on Windows? I could write some scripts to automate it with bash and image magick, but first want to see if it's already been done. Faster is better too, as I have thousands of images. So something like Photoshop is probably not a good solution as it might take a couple of seconds per image.

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• starting oracle database automatically.

  - by Searock

  I am using Fedora 8 and Oracle 10g Express Edition. Every time I start my fedora I have to click on start database. How can I add startdb.sh to startup so that it automatically executes when Fedora starts? I have tried adding the path to /etc/rc.d/rc.local but it still doesn't work. ./usr/lib/oracle/xe/app/oracle/product/10.2.0/server/config/scripts/startdb.sh I have even tried to add this script in /etc/init.d/oracle #!/bin/bash # # Run-level Startup script for the Oracle Instance and Listener # # chkconfig: 345 91 19 # description: Startup/Shutdown Oracle listener and instance ORA_HOME="/u01/app/oracle/product/9.2.0.1.0" ORA_OWNR="oracle" # if the executables do not exist -- display error if [ ! -f $ORA_HOME/bin/dbstart -o ! -d $ORA_HOME ] then echo "Oracle startup: cannot start" exit 1 fi # depending on parameter -- startup, shutdown, restart # of the instance and listener or usage display case "$1" in start) # Oracle listener and instance startup echo -n "Starting Oracle: " su - $ORA_OWNR -c "$ORA_HOME/bin/lsnrctl start" su - $ORA_OWNR -c $ORA_HOME/bin/dbstart touch /var/lock/subsys/oracle echo "OK" ;; stop) # Oracle listener and instance shutdown echo -n "Shutdown Oracle: " su - $ORA_OWNR -c "$ORA_HOME/bin/lsnrctl stop" su - $ORA_OWNR -c $ORA_HOME/bin/dbshut rm -f /var/lock/subsys/oracle echo "OK" ;; reload|restart) $0 stop $0 start ;; *) echo "Usage: $0 start|stop|restart|reload" exit 1 esac exit 0 and even this doesn't work. startdb.sh is located at /usr/lib/oracle/xe/app/oracle/product/10.2.0/server/config/scripts/startdb.sh Thanks.

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• why my server has a dir named "?"

  - by liuxingruo

  These are all the dirs in my server: ? bin boot dev etc home lib lost+found media media2 misc mnt net opt proc root sbin selinux srv sys tmp usr var why there is a "?" dir? Thanks very much. BTW: the touch command was found on my server(wiered). I list the bin dir: alsacard cp dd env hostname loadkeys more ps sed tcptraceroute alsaunmute cpio df ex igawk loadkeys.static mount pwd setfont traceroute6 arch csh dmesg false ipcalc logger mountpoint raw setserial tracert awk cut dnsdomainname fgrep kbd_mode login mv red sh view basename date doexec gawk keyctl ls netstat redhat_lsb_init sleep ypdomainname bash dbus-cleanup-sockets domainname gettext kill mail nice rm sort cat dbus-daemon dumpkeys grep ksh mailx nisdomainname rmdir stty chgrp dbus-monitor echo gtar ksh93 mkdir pgawk rpm su chmod dbus-send ed gunzip link mknod ping rvi sync chown dbus-uuidgen egrep gzip ln mktemp ping6 rview tar touch is missing, how can i get it back?

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• Sudoers file allow sudo on specific file for active directory group

  - by tubaguy50035

  I have active directory sign in working on an Ubuntu 12.04 box. When the user signs in, I have a script that runs that needs sudo permission (since it modifies the samba config file). How would I specify this in my sudoer's file? I've tried: %DOMAIN\\AD+Programmers ALL=NOPASSWD: /usr/local/bin/createSambaShare.php I've found various resources on the internet stating that this is how it would be done, but I'm not sure that I have the first part right. What are they using as the DOMAIN? The workgroup or the realm? I use Samba + winbind for active directory integration. Here's my smb.conf: [global] security = ads netbios name = hostname realm = COMPANYNAME.COM password server = passwordserver workgroup = COMPANYNAME idmap uid = 1000-10000 idmap gid = 1000-10000 winbind separator = + winbind enum users = no winbind enum groups = no winbind use default domain = yes template homedir = /home/%D/%U template shell = /bin/bash client use spnego = yes domain master = no EDIT: The users that should have access to run that script are all part of the Programmers group which has an Active Directory Domain Services Folder of Company.com/Staff/Security Groups (not sure if that matters or not).

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• .tex file remains in use by process when batch file is triggered by .Rnw Sweave processing.

  - by drknexus

  This is a pretty specialized question. I'm using the Eclipse IDE in a Windows XP environment with the StatET plug-in so I can write R code as an R/Sweave document. This produces a .tex file that is then post processed by pdflatex.exe. When I create the file as normal everything works great (except maybe my file named russfnc2.Rnw seems to result in russfnc.pdf even though pdflatex.exe on the console window correctly says that the output is being writen to russfnc2.pdf). The big problem is when I trigger a batch file from within my Rnw code. My goal here is to spawn a side process that waits for the PDF to be made and uploads it to the server. So the Rnw contains: if(file.exists("rsp.finalize.bat")) {system("rsp.finalize.bat",wait=FALSE,invisible=FALSE)} The batch file calls Rterm.exe to run a script: setwd("C:/theprojectdirectory") while(!file.exists("russfnc.pdf")) { Sys.sleep(1) } Sys.sleep(60) At the end of that script, I use a shell call to launch psftp.exe and upload the files. All of this works fine, when I use my Eclipse profile to trigger Sweave... that is unless I have that batch file at the end of the .Rnw. When it is located there, I get the error message pdflatex.exe: Permission denied: c:\thepath\thetexfile.tex. After that, the .tex file (as far as XP is concerned) is in use by another process and I have to reboot in order to delete it (and, of course, the pdf is not made). If I manually trigger the batch file after pdflatex.exe has done its things, everything works fine. How can I make this work correctly using the tools I'm familiar with vis., R and Dos-style batch files? I'm not sure if this is a SuperUser question or a StackOverflow question, so I'm starting here.

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• "Half" ssh authorization to a server with git repository

  - by hsz

  Hello ! Currently I have purchased web hosting with ssh access. I have created a git repository on it and if I set my public key in ~/.ssh/authorized_keys file, I have access to that repo, I can push/pull data, etc. This solution allows access for every user that has his public key in authorized_keys file. But there is one thing that I want to avoid. Every user can login to the server too and has access to whole ssh account. Is it possible to create a blacklist of users' keys that will not have an access to ssh ? I see it that way: user logs in to a git - ok, allow for every one user logs in to ssh account ~/.profile file is hooked and called a custom script: check user's public key if public key is in ~/.ssh/blacklist_keys call bash exit/logout Is it possible in any way ?

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