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• Windows roaming profile when creating a new Windows profile

  - by molecule

  Hi all, When a particular user is having a lot of problems with Windows XP e.g. applications crashing, unresponsive applications (which used to work), and as a general troubleshooting practice for a domain user, I normally rename that user's old profile and get him/her to logon to create a "fresh" profile (on the same PC). More often than not, this will solve the problem albeit some reconfiguration i.e. Outlook, Excel add-ins etc. As I took over the systems admin role from another administrator, I would like to know what is the easiest way to find out (either through a third party or some Windows administrative tool) what settings are carried over if the profile is a Roaming Profile. I tested creating a new user profile for one of my users and it seems basic Outlook settings such as the user's mailbox and PSTs are carried over automatically when I create a new user profile. I suspect this is done through a batch file loaded as part of the login script. However, my knowledge of scripting is limited and I don't want any corruptions to be carried over to the new profile. Can someone share their experiences on this? Thanks in advance.

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• Nano suddenly putting in weird characters when I type

  - by Cocorico

  I am using a shell and editing a file in nano (similar to pico). A short while ago, it started doing this thing where if I type: $query = "select" * from topics where id='' "; and then I hit Backspace and try to stick the letter 'a' into the id='' part, it changes it to: $query = "select * from koala_topics where id='a='' "; and the cursor jumps around to a few spaces before. Also if I type print At the start of a new line, and then I think "Oh I should have added a tab" and I go back and try to add a tab, it adds a tab AND 2 spaces, and if I put the cursor through the word print, it turns into printnt. Some other weird things have happened too. I uninstalled nano using yum (which is how I installed it), and then re-installed it, thinking that would get me clean preferences (in case that was the problem) but it doesn't fix it.

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• rm failing inside cron script

  - by Nicholas

  I have a cron job calling a bash script which runs fine, except for one line inside it that is suppose to remove all fines in a directory. The result of this line is always 'no such file or directory' even though I have verified (many times) that there are files in that directory. The line in question is as simply: rm /dir1/dir2/dir3/* The script works fine when run manually in the terminal, so it must be something about how the cron is run. I've tried giving 'dir3' and all the files inside it every permission possible, so it shouldn't be a permission problem. (The directory and files are also owned by the user). I've tried specifing 'SHELL=/bin/bash' inside 'crontab'. There is no sticky bit set and there is no alias on the rm command. Interestingly changing the 'rm' command to 'ls' gives the same negative result (unless you remove the trailing '*', and then that works). What am I missing here?

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• Issues importing PST into Archive Mailbox Exchange 2013

  - by atomicharri

  I've completed a successful mailbox import request into the archive mailbox for a particular user. There are no errors to speak of and the size of the archive mailbox has grown to the expected size after import (approximately 6GB). However, in OWA I can't see any of the mail folders inside the archive mailbox, only Deleted Items and RSS feeds folders. However if I run some cmdlets to list the contents of the Archive Mailbox\Inbox folder in the Exchange Shell, the full list of subfolders will come up. If I do a mail item search on the archive mailbox, emails from those individual folders appear as search results! I just can't see the folders in the navigation pane and hence cannot browse any of my old emails. Any help would be appreciated.

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• (solved) `ssh foo "<command/>"` not loading remote aliases?

  - by TomRoche

  summary: Why does this fail $ ssh foo 'R --version | head -n 1' bash: R: command not found but this succeeds $ ssh foo 'grep -nHe 'bashrc' ~/.bash_profile' /home/me/.bash_profile:3:# source the users .bashrc if it exists /home/me/.bash_profile:4:if [ -f "${HOME}/.bashrc" ] ; then /home/me/.bash_profile:5: source "${HOME}/.bashrc" $ ssh foo 'grep -nHe "\WR\W" ~/.bashrc' /home/me/.bashrc:118:alias R='/share/linux86_64/bin/R' $ ssh foo '/share/linux86_64/bin/R --version | head -n 1' R version 2.14.1 (2011-12-22) ? details: I am a (rootless) user on 2 clusters. One uses environment modules, so any given server on that cluster can provide (via module add) pretty much the same resources. The other cluster, on which I must also unfortunately work, has servers managed individually, so I get in the habit of doing, e.g., EXEC_NAME='whatever' for S in 'foo' 'bar' 'baz' ; do ssh ${SERVER} "${EXEC_NAME} --version" done This works fine for packages installed normally/consistently, but often (for reasons unknown to me) packages are not: e.g. (compare alias below to alias above), $ ssh bar 'R --version | head -n 1' bash: R: command not found $ ssh bar 'grep -nHe 'bashrc' ~/.bash_profile' /home/me/.bash_profile:3:# source the users .bashrc if it exists /home/me/.bash_profile:4:if [ -f "${HOME}/.bashrc" ] ; then /home/me/.bash_profile:5: source "${HOME}/.bashrc" $ ssh bar 'grep -nHe "\WR\W" ~/.bashrc' /home/me/.bashrc:118:alias R='/share/linux/bin/R' $ ssh bar '/share/linux86_64/bin/R --version | head -n 1' R version 2.14.1 (2011-12-22) Using aliases copes well with these install differences when I interactively shell into the server, but fails when I try to script ssh commands (as above); i.e., # interactively $ ssh foo ... foo> R --version calls my alias for R on remote host=foo, but # scripting $ ssh foo 'R --version' doesn't. What do I need to do to make ssh foo "<command/>" load my aliases on the remote host?

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• Remote server security: handling compiler tools

  - by Gonzolas

  Hello! I was wondering wether to remove compiler tools (gcc, make, ...) from a remote production server, mainly for security purposes. Background: The server runs a web application on Linux. Consider Apache jailed. Otherwise, only OpenSSHd faces the public network. Of course there is no compiler stuff within the jail, so this is about the actual OS outside of any jails. Here's my personal PRO/CON list (regarding removal) so far: PRO: I had been reading some suggestions to remove compiler tools in order inhibit custom building of trojans etc. from within the host if an attacker attains unpriviliged user permissions. CON: I can't live without Perl/Python and a trojan/whatever could be written in a scripting language like that, anyway, so why bother about removing gcc et al. at all. There is a need to build new Linux kernels as well as some security tools from source directly on the server, because the server runs in 64-bits mode and (to my understanding) I can't (cross-)compile locally/elsewhere due to lack of another 64-bits hardware system. OK, so here are my questions for you: (a) Is my PRO/CON assessment correct? (b) Do you know of other PROs / CONs to removing all compiler tools? Do they weigh in more? (c) Which binaries should I consider dangerous if the given PRO statement holds? Only gcc, or also make, or what else? Should I remove the enitre software packages them come with? (d) Is it OK to just move those binaries to a root-only accessible directory when they are not needed? Or is there a gain in security if I "scp them in" every time? Thank you!

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• How to pass bash script arguments to a subshell

  - by Ralf Holly

  I have a wrapper script that does some work and then passes the original parameters on to another tool: #!/bin/bash # ... other_tool -a -b "$@" This works fine, unless the "other tool" is run in a subshell: #!/bin/bash # ... bash -c "other_tool -a -b $@" If I call my wrapper script like this: wrapper.sh -x "blah blup" then, only the first orginal argument (-x) is handed to "other_tool". In reality, I do not create a subshell, but pass the original arguments to a shell on an Android phone, which shouldn't make any difference: #!/bin/bash # ... adb sh -c "other_tool -a -b $@"

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• Can not input or print Chinese on PuTTY

  - by hetaoblog

  On Red Hat Enterprise Linux AS release 3, I've set my environment variable as below $ echo $LANG zh_CN.UTF-8 $ echo $LANGUAGE zh_CN.UTF-8 $ echo $SUPPORTED en_US.UTF-8:en_US:en:zh_CN.UTF-8 $ locale LANG=zh_CN.UTF-8 LC_CTYPE="zh_CN.UTF-8" LC_NUMERIC="zh_CN.UTF-8" LC_TIME="zh_CN.UTF-8" LC_COLLATE="zh_CN.UTF-8" LC_MONETARY="zh_CN.UTF-8" LC_MESSAGES="zh_CN.UTF-8" LC_PAPER="zh_CN.UTF-8" LC_NAME="zh_CN.UTF-8" LC_ADDRESS="zh_CN.UTF-8" LC_TELEPHONE="zh_CN.UTF-8" LC_MEASUREMENT="zh_CN.UTF-8" LC_IDENTIFICATION="zh_CN.UTF-8" LC_ALL=zh_CN.UTF-8 Meanwhile I've set PuTTY's transmission encoding as utf-8 and appearance-font setting to have a font as 'Fixedsys' which does support chinese. However, when I try to print a file with Chinese, it can not print it correctly $ cat 1.txt hello¦¦¦ $ and I can not input Chinese correctly on shell.

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• Can I use nginx to start EC2 instances on demand?

  - by Gabe Hollombe

  TL;DR - Is there a way to make nginx act as an elastic load balancer that will spin up EC2 instances on demand, allowing for the case when periods of no demand mean no instances will be running? Longer explanation - I have an nginx server that proxy_pass'es requests to a server on EC2. This server doesn't get many requests, so I'd like to keep the server spun down during periods of inactivity (I already have a script to do this). Then, when the instance is spun down and nginx gets a request for that instance, it will time out when trying to get a response from it. At this point, can I somehow trigger a shell command on the server to use EC2's command line tools to spin up the instance, then re-try the user's request after it has started?

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• httpd.conf variables : What is the difference between ${var} and %{var}?

  - by 108.im

  What is the difference between ${var} and %{var} in httpd.conf? How and when would one use ${} and %{}? http://httpd.apache.org/docs/2.4/configuring.html mentions : The values of variables defined with the Define of or shell environment variables can be used in configuration file lines using the syntax ${VAR}. http://httpd.apache.org/docs/2.4/mod/mod_rewrite.html mentions: Server-Variables:These are variables of the form %{ NAME_OF_VARIABLE } and RewriteMap expansions:These are expansions of the form ${mapname:key|default}. Will ${VAR} be used everywhere in httpd.conf, except in mod_rewrite directive's (like RewriteCond, RewriteRule but except for RewriteMap expansions which use ${} as in RewriteRule ^/ex/(.*) ${examplemap:$1} ) Would a variable set in httpd.conf using SetEnvIf Directive, for use in same httpd.conf, be used as ${var} except when the variable is used with mod_rewrite directive's, where the variable would be used as %{var}?

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• Puppet won't execute command

  - by tom

  Puppet 0.25.4 on ubuntu point blank refuses to execute the following command: exec {"initiate replica set": command => "echo 'rs.initiate()' | mongo", path => ["/usr/bin","/usr/sbin","/bin"], user => "root", require => Class["mongodb"] } I can execute the command as root myself, so I'm guessing perhaps it's an issue with the shell. Unfortunately upgrading puppet isn't an option (and causes other issues anyway). I've tried specifying explicit paths to the binaries instead of relying on the path parameter, and also changing the command to: "bash -c \"echo 'rs.initiate()' | mongo\"" Still doesn't work. Any ideas? I get an error message saying something like "failed to change from notrun to 0"

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• Temporarily disable an AD server

  - by 3molo

  Topology and setup We have main office A, and branch office (abroad) B. Our ISP somehow messed up the MPLS, and office A<B will not be connected until a few days. At location B, we have an AD (and the other two ADs at location A). Location A also have an exchange server. The problems A few users at A have problem to login to their computers running Windows XP, the logon process kind of hangs where "Applying computer policies". Additionally, I can't start the Exchange management shell, it fails on get-recipient because the AD abroad (location B) is unreachable. Solution? I could delete the AD at B, but Im pretty sure it will be a hazzle to re-join it, and since the office is abroad it's not an option to just go there and re-install it - re join, I now wonder how I in location As primary and secondary ADs can temporarily disable AD at location B.

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• How to bypass AllowTCPFowarding=no by installing own forwarder?

  - by Eric B.

  In the man pages for sshd_config, for the AllowTCPForwarding option, it states: AllowTcpForwarding Specifies whether TCP forwarding is permitted. The default is “yes”. Note that disabling TCP forwarding does not improve security unless users are also denied shell access, as they can always install their own forwarders. How do I install my own forwarder? I have a remote server in which I disabled TCPForwarding a long while ago. I would like to "enable" it for myself only, by using my own forwarder, while keeping the forwarding closed to the other users. I've looked around, but cannot seem to find the right pkgs to accomplish this. Can anyone please elaborate? Thanks! Eric

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• No space left on device with encrypted disk that takes all space

  - by Yosef

  I use Ubuntu 11.04. There's no space left on device. I have encrypted the disk that takes up space (maybe it's good to disable it, but I don't know how). In shell, I get this message: No space left on device I run df -I: Filesystem Inodes IUsed IFree IUse% Mounted on /dev/sda1 3055616 602499 2453117 20% / none 210161 890 209271 1% /dev none 214789 8 214781 1% /dev/shm none 214789 53 214736 1% /var/run none 214789 3 214786 1% /var/lock /home/myuser/.Private 3055616 602499 2453117 20% /home/myuser df -I Edit: When I run only df: Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 48060296 45618928 0 100% / none 1538340 684 1537656 1% /dev none 1547596 808 1546788 1% /dev/shm none 1547596 104 1547492 1% /var/run none 1547596 0 1547596 0% /var/lock /home/myuser/.Private 48060296 45618928 0 100% /home/myuser Edit: I thinking about few solution but I don't know which better and how exactly to do them: to enlarge partition size (I cant install gparted - no more disk space) remove encryption of partition - I really not need that

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• How to run sed on over 10 million files in a directory?

  - by Sandro

  I have a directory that has 10144911 files in it. So far I've tried the following: for f in ls; do sed -i -e 's/blah/blee/g' $f; done Crashed my shell, the ls is in a tilda but i can't figure out how to make one. ls | xargs -0 sed -i -e 's/blah/blee/g' Too many args for sed find . -name "*.txt" -exec sed -i -e 's/blah/blee/g' {} \; Couldn't fork any more no more memory Any other ideas on how to create this kind command? The files don't need to communicate with each other. ls | wc -l seems to work (very slow) so it must be possible.

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• Provider<HttpSession> not getting injected

  - by user1033715

  I am using gwt dispatch to communicate and get data from server to client. In order to get user specific data I want to store the user object in httpsession and access application specific data from servlet context but when I inject Provider<HttpSession> when the handler execute is called but the dispatchservlet the provider is null i.e it does not get injected. following is the code from my action handler @Inject Provider<HttpSession> provider; public ReadEntityHandler() { } @Override public EntityResult execute(ReadEntityAction arg0, ExecutionContext arg1) throws DispatchException { HttpSession session = null; if (provider == null) System.out.println("httpSession is null.."); else { session = provider.get(); System.out.println("httpSession not null.."); } System.out.println("reached execution"); return null; } and my Dispatch servlet @Singleton public class ActionDispatchServlet extends RemoteServiceServlet implements StandardDispatchService { private Dispatch dispatch; public ActionDispatchServlet() { InstanceActionHandlerRegistry registry = new DefaultActionHandlerRegistry(); registry.addHandler(new ReadEntityHandler()); dispatch = new SimpleDispatch(registry); } @Override public Result execute(Action<?> action) throws DispatchException { try { return dispatch.execute(action); } catch (RuntimeException e) { log("Exception while executing " + action.getClass().getName() + ": " + e.getMessage(), e); throw e; } } } when I try to inject the ReadEntityHandler it throws the following exception [WARN] failed guiceFilter com.google.inject.ProvisionException: Guice provision errors: 1) Error injecting constructor, java.lang.NullPointerException at com.ensarm.wikirealty.server.service.ActionDispatchServlet.<init>(ActionDispatchServlet.java:22) at com.ensarm.wikirealty.server.service.ActionDispatchServlet.class(ActionDispatchServlet.java:22) while locating com.ensarm.wikirealty.server.service.ActionDispatchServlet 1 error at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:834) at com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:856) at com.google.inject.servlet.ServletDefinition.init(ServletDefinition.java:74) at com.google.inject.servlet.ManagedServletPipeline.init(ManagedServletPipeline.java:84) at com.google.inject.servlet.ManagedFilterPipeline.initPipeline(ManagedFilterPipeline.java:106) at com.google.inject.servlet.GuiceFilter.init(GuiceFilter.java:168) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:593) at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1220) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:513) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448) at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:468) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.handler.RequestLogHandler.doStart(RequestLogHandler.java:115) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:222) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:672) at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:509) at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1068) at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811) at com.google.gwt.dev.DevMode.main(DevMode.java:311) Caused by: java.lang.NullPointerException at net.customware.gwt.dispatch.server.DefaultActionHandlerRegistry.addHandler(DefaultActionHandlerRegistry.java:21) at com.ensarm.wikirealty.server.service.ActionDispatchServlet.<init>(ActionDispatchServlet.java:24) at com.ensarm.wikirealty.server.service.ActionDispatchServlet$$FastClassByGuice$$e0a28a5d.newInstance(<generated>) at com.google.inject.internal.cglib.reflect.FastConstructor.newInstance(FastConstructor.java:40) at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:58) at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:84) at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:200) at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:43) at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:878) at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40) at com.google.inject.Scopes$1$1.get(Scopes.java:64) at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40) at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:825) at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:871) at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:821) ... 25 more

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• IIS 7 URL Rewrite to GeoServer running on Apache

  - by Maxim Zaslavsky

  I'm building a mapping application based on OpenLayers that uses GeoServer to serve up mapping data. The problem I'm having is that besides the map images I'm requesting through WMS, I'm using jQuery AJAX to get information from GeoServer. As GeoServer is running on a different port, my requests are being blocked due to cross-site scripting security policies in JavaScript. As a Java application, GeoServer runs on Apache on port 8080, while my IIS instance is running on port 80. Instead of building a proxy, I've decided to use URL Rewriting in IIS7 to fix this problem. I'm following this guide, but it's still not working. Here are my URL Rewrite rule settings: Matches URL: (.*) Condition: {HTTP_URL} matching /geoserver Action: rewrite to http://localhost:8080/{R:1}, appending query string When I request http://localhost/geoserver/wms?QUERY_LAYERS=SanDiego:FWSA_sandiego&LAYERS=SanDiego:FWSA_sandiego&SERVICE=WMS&VERSION=1.1.1&FEATURE_COUNT=20&REQUEST=GetFeatureInfo&EXCEPTIONS=application/vnd.ogc.se_xml&BBOX=-13009123.590156,3862057.2905992,-13006066.109025,3865114.7717302&INFO_FORMAT=text/html&x=20&y=20&width=40&height=40&srs=EPSG:900913, however, all I get is a 404, although the same request on port 8080 returns the proper result. What am I doing wrong? Thanks in advance.

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• Google Chrome not loading web pages correctly unless multiple refreshes

  - by Brandon Wilson

  Webpages in Google Chrome do not load correctly from time to time. I can't reproduce it, it just happens. Some times it happens when I load the browser other times it happens when I am just browsing. Just now I went to five different web sites which 3 out of 5 of them did not load correctly. I have attached a photo of how Super User loaded the first time I loaded it. If I refreshed it it will load correctly. Facebook is bad like this. Some times Facebook will load correctly but some of there back end scripting may not load so the page may not refresh automatically. Not sure what is going on. I have tried other browsers (Firefox and Internet Explorer) and they seem to be working correctly. Chrome seems to be acting up only on this computer. All my computers are running Windows 8 and I have removed Chrome completely off this computer and re-installed. I even disabled all extensions and cleared all the caches. I even tried running Chrome without being logged in. Not sure what else to do at this point. An example of superuser.com not loading correctly: When I refresh the problem will go away until it happens again. Sometimes it takes two or three refreshes in order for it to correctly load.

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• If sudo is broken, what should be used instead?

  - by ivant

  I found the following answer to a FAQ question about a security problem in Oprofile: This "problem" only occurs if you actively, and mistakenly, configure access to OProfile via sudo. OProfile uses shell scripts which have not been audited (nor is it likely to happen) for use through the broken sudo facility (anything that lets you alter root's path arbitrarily counts as horribly broken). Do not use sudo! As I see it, the author of the answer suggests that sudo is broken, so that it should not be used not only with oprofile, but for other purposes as well. Are there better alternatives to sudo in Linux?

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• Mapping drives on MacOSX (Leopard/Snow Leopard) permanently inside LAN

  - by Shyam

  Hi, How do I "map" shared folders on a Mac, permanently? With map, I do not mean 'connect', but permanently add it to the system so it exists after reboot. Since workstations tend to shutdown, I wonder also the symptoms and cures in case that happens. In Linux, this can be done using the fstab file, but I noticed that volumes are mounted in a different structure than Linux. I need this to backup some workstations, doing a recursive job over a single directory, that should contain the shared folders. I use Terminal to access the main system, so by preference, the solution would be nice that works within a bash shell vs GUI. I can access all folders in Finder. Thanks!

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• Installing MySQL 5.5 manually on Ubuntu 10.04 server, errors about "/tmp/mysql.sock"

  - by black sensei

  I've set up an Ubuntu server and wanted to install MySQL 5.5. I've been following these MySQL documentation steps. I have libaio dev installed. Everything went fine until I ran bin/mysqld_safe --user=mysql & It runs into an issue and never returns to the shell. The output of mysqld_safe is logging to /usr/local/mysql/data/host_name.err. When I checked that file, it was complaining about /tmp/mysql.sock. I can unfortunately describe just parts of the error, since before I started right now it deleted all the files I've started installing back then by mistake. Should I change the socket to /var/run/mysqld/mysqld.socket after copying the .cnf file to /etc? I've also checked the /var/run/mysqld directory and there is no mysqld.socket. How do I proceed? Thanks for reading this and helping out

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• TrueCrypt with ext2/3 partition write access under Mac OS X Snow Leopard ?

  - by ssc

  I'm using a TrueCrypt volume with an ext3 partition under Snow Leopard with MacFUSE. I can mount ordinary (unencrypted) ext3 partitions read/write from the shell by adding command line arguments as shown in "Mounting ext3 in Snow Leopard…". However, TrueCrypt mounts the partition read-only and I don't see any way to 'sneak in' the required additional arguments. How do I mount it read/write? I was hoping for a similar solution as for mounting NTFS, but diskutil info /Volumes/my_volume/ does not return a UUID; it does tell me Read-Only Media: No Read-Only Volume: Yes though...

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• Python version priority in OSX/UNIX PATH environment variable

  - by mindthief

  Hi all, I want my system to use /usr/bin/python, but it's currently using /opt/local/bin/python, which points to /usr/bin/python2.6. I tried modifying the PATH variable in my .bashrc as PATH=~/bin:$PATH ...and then set a symbolic link in ~/bin to point to /usr/bin/python. i.e. ~/bin/python --> /usr/bin/python I figured this might prioritize this symlink over the /opt/local version if it came before the other one in the PATH variable, but when I opened a new shell I still found python pointing to /opt/local/bin. Any advice on a good way to get the system to use /usr/bin/python? Also, I usually use ipython as opposed to python directly. I'm assuming that if the system starts to use the correct version of python then ipython would also use that version? If not, how could I also get ipython to use the correct version? Thanks!

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• emacs, writing custom commands which use term-mode

  - by valya

  Hello, I'm using Emacs and M-x term for a terminal. Since my typical workflow looks like this: edit some code C-x C-o to the terminal buffer (or C-x b term[Enter] or something) press Up key to use the last command press Enter to run it C-x C-o to go back I want to bind all of these (except the first step... maybe) to one command, I believe Emacs is awesome enough to do that :-) So, a command must: go to the buffer with terminal (maybe it shouldn't change any windows at all, maybe it should split the window vertially (if it weren't split already) and use the right sid) run a last command what've been run there go back to the last buffer/part of the screen Thank you! I'm not really used to the Emacs scripting system, and I hope someone will help me and someone else will be able to use the answer to improve his workflow, since I believe this is a pretty common one Examples of commands: python manage.py test python manage.py test stats python solve.py # for project-euler puzzles :-) the first and the second runs over a ssh (in a terminal) sometimes (I like developing with vagrant) I understand that it's easy to bind the first and the third ones, but the second changes too often - I'd just like to "run last command"

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• Making a Live Thumb drive boot with Persistent files, settings AND *drivers* that load on boot?

  - by Luke Stanley

  I have seen https://wiki.ubuntu.com/LiveUsbPendrivePersistent but it's a mess. What methods support persistent drivers as well as files and settings and don't screw up lifespan of the flash drive? I'd like to see your personal recommendations on say, Portable Linux, USB Creator, Remastersys + Unetbootin, etc Backstory: I have a Inspiron 1525 that's hard drive has been slowly dying. I want to switch to a live USB/CD/DVD system until I can get it repaired but my laptops internal wifi device requires a network connection by another means for Xubuntu to let it work, and then I have to enter my Wifi key again, and THEN I have to reinstall Skype etc... I'd be damned every time I have to shut the laptop down. I'm ok with making a shell script for installing apps and copying settings as required but a good persistent install should make this old hat and slow and it doesn't take care of drivers. The last time I tried making an ISO with Remastersys it didn't seem to copy all the required settings.

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