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• VirtualName-based local development host behind corporate proxy (MAMP)

  - by geerlingguy

  I am behind a corporate proxy server/firewall, and this firewall seems to not be too happy with my idea of local development. On my home computer (Mac/Leopard), I have MAMP running, with a rule in /etc/hosts that directs dev.example.com to 127.0.0.1, and I have a virtualhost set up in the httpd.conf file which works great for me. However, at work, I set up the exact same configuration, but am not able to access dev.example.com, likely due to some address/DNS translation going on via the proxy server. Here are the relevant details from Terminal: $ ping dev.example.com PING dev.example.com (127.0.0.1): 56 data bytes 64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.025 ms $ host dev.example.com Host dev.example.com not found: 3(NXDOMAIN) I've tried adding dev.example.com to the list of bypass addresses in System Preferences (the 'Bypass proxy settings for these Hosts & Domains' list), but that had no effect. Is there any way I can develop locally using name-based hosts at work? I can access localhost, but can't get to the dev.example.com (or any other custom virtualhosts) here at work, which complicates other matters related to the sites on which I'm working...

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• Replicated filesystem and EC2 MySQL

  - by El Yobo

  I'm currently investigating migrating our infrastructure over to run on Amazon's EC2 and am trying to figure out the best way to set up a MySQL service. I'm leaning towards running our own MySQL instances, rather than going with Amazon's RDS, but am still considering the best approach for performance and cost on the instance itself. In order to have persistent data, the MySQL data needs to be on an EBS volume (with some form of striped RAID, e.g. RAID0 or RAID10) to improve persistence. However, EBS IO is limited by the network interface (gigabit, so a theoretical maximum of 128 MB/s), while the ephemeral volumes have no such problem. I did see a suggestion for running two MySQL servers on an instance, with a master running on the ephemeral disk (which we would also RAID) and a slave storing changes to an EBS volume, but this has some additional overhead and complexity (two servers). What I was imagining is using some form of replicated file system such that I could have a filesystem on top of a RAID0 of ephemeral volumes to maximise performance all changes from the above immediately replicated to another RAID1 volume backed by multiple EBS volumes to ensure no data loss The advantages of this would be best possible IO performance for the DB server; no network delay in IO decreased IO on EBS volumes (as all read IO will be done on the ephemeral volumes) so decreased cost good data security, as it's backed onto redundant EBS volumes However, I haven't seen an appropriate system to replicate all changes from one volume to the other; is there a filesystem, or any other approach, which will do this? The distributed file systems, e.g. GlusterFS, DRBD etc seem to focus on replicating disks between servers, can they be set up to do what I'm interested in here? I also haven't seen anything about other's taking this approach. Do I have a solution in need of a problem here (i.e. is performance good enough, so this whole idea is redundant)? Is there some flaw in the plan?

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• Hard drive causing BSOD

  - by JoshIrving

  I've come across a problem after building my new PC and installing a clean Windows 7. I originally planed on a RAID 1 or 0 but after further research I decided against it. So I was left with two 1TB Western Digital Black SATA 6Gb/s hard drives. My plan now was to use my second hard drive as a backup (using Windows Backup or 3rd party software). I set both hard drives to AHCI in the BIOS and installed Windows 7. I went through the lengthy process of downloading and installing each driver manually (latest versions), using the motherboard disk for a list of what I need. After a few restarts and before installing any software, I took an image backup onto DVD and the second hard drive. First witnessed the problem during the first scheduled Windows backup. The progress bar froze at about 70% (doc backup done, image backup in progress). It stayed still for 2 hours until it blue screened. Next time the backup froze, I tried shutting down. It logged me out and got stuck at the last step ("Shutting down" and blue spinner) for an hour, until I hard shutdown. I later realised this hasn't got anything to do with the backup. I ended up blue screening on almost every shut down (same place). Turns out, it's because of the second hard drive spinning down or turning off. The computer will now shutdown properly, as long as I remember to read or write to the second drive before executing shutdown. I've now set "Turn off hard disk after: Never" - No problems, so far. Do I have dodgy hard drive(s) or should I investigate the POWER_STATE_DRIVER_FAILURE BSOD - can it be a driver issue? AHCI?

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• Remote Desktop leaves host unresponsive

  - by Jeff Dalley

  I have my desktop PC at home set up to accept remote connections, and I often connect to it from work on my laptop via mstsc.exe. However, every time I remote to it, I find when I go home that despite the monitor being on - it's not receiving an image and it looks as though the computer is hibernating/asleep. I basically have to restart it whenever I get home and I know there's an answer for why its doing this. More details: When exiting the remote session, I have tried both logging off the account, and closing the RDP window without logging off; both give the same result. When I get home to the desktop I of course try moving the mouse, ctrl+alt+del to see if its responsive to restart, multiple key-press to see if I can get any audio out of it; It seems pretty obvious its sleeping/hibernating in some way: Nothing happens in any of these cases and a physical restart is necessary. Both desktop and laptop are running Windows 7 Ultimate. I'm thinking it really is sleeping/hibernating it, and I'm not sure why because left alone my desktop's power options are set to never turn off the HDD or change its state - I leave it on 24/7. This could be a stupid error on my part but I just can't see it! Thanks.

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• How can I disable flashing icons on Windows 7 taskbar?

  - by Jebego

  I set my Windows 7 taskbar to auto-hide. However, sometimes when a program changes or something new happens in a program, the taskbar will show its self, and its respective taskbar icon will begin flashing orange. Here's what I'm talking about: To make the taskbar hide again, I have click on the program before I can go back to what I was doing. Anyways, I personally find this very annoying, and would love to find a way to either: Prevent the taskbar from having such alerts. Prevent the taskbar from showing its self when it has such alerts. I've searched around quite a bit, and really only found answers to this for XP. I've also found another Stack Exchange Question looking for the same thing for Windows 7. However, none of the answers to the question were really what I'm looking for. I'm not looking to hide the taskbar, or control the number of flashes. However, this answer seems to be what I'm looking for, so I downloaded and tried out the program. It works perfectly, other than the fact that the start menu icon is always shown, regardless of the taskbar being set to auto-hide. So, any ideas on how to fix this problem?

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• Puppet: is it ok to "force" certname when you expect to shuffle nodes around?

  - by Luke404

  We all know (good example on SF) that Puppet hostname detection could be... fun. At our company (and I guess we're not alone at this) we usually pre-configure servers at our offices and test them before bringing the gear to a remote datacenter and rack them. Of course the reverse dns will change when doing that, even if we don't change the actual hostname of the system. We're slowly drafting our puppet setup and I'd like to be sure those moves won't create problems. My idea is to explicitly configure the desired full FQDN of the system as certname in puppet.conf at server provision time (before the very first puppet run). My process would look something like this: basic o.s. installation basic network configuration, enough to reach the internet and resolve dns install puppet and set up certname start puppet and let him manage the whole configuration test, fix problems in config (via puppet), re-test, and so on... manually stop puppet set up new network configuration for the datacenter network move the machine to DC turn it on puppet should automatically start and keep on doing its job The process is supported by detecting the environment in puppet's manifests (eg. based on subnet, like they do at Wikimedia) and modify configuration as needed (eg. resolv.conf contents appropriate for each network). Each node's certname will never change for the whole system life cycle. Is there any problem with this approach? Could it be improved?

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• Cron job checking for changes in Git repository

  - by HNygard

  We have just moved our server configs to a Git repository. Therefore there should not be any changes in any of the repository folders. I was thinking about how I could set up a cron job to check for any uncommited changes. How could a cron job be set up to check for changes in a Git repository? Greping the output of the git status command might just do it. Grep and cron jobs are not my strong side. Here are some sample outputs from git status: Standing the folder containing the git repository (e.g. /path/gitrepo/) with changed files: $ git status # On branch master # Changes not staged for commit: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: apache2/sites-enabled/000-default # # Untracked files: # (use "git add <file>..." to include in what will be committed) # # apache2/conf.d/test no changes added to commit (use "git add" and/or "git commit -a") Standing in the folder when there is no changes: $ git status # On branch master nothing to commit (working directory clean) Update: Synced up with origin is not important. There should be no local changes. Local files that must be in place go into the .gitignore file. In addition to the server configs there are also git repos for content (static web sites, web apps, wordpress, etc). None of the repositories should have local changes. We might use Puppet in the long run since its being used for development of one of the web apps.

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• Disable all the idiot-checking in Mac OS X

  - by Fake Name

  I am a Windows/Linux user, who is learning Mac OS X out of interest in doing dev-work for the iPad which I recently purchased. However, OS X is driving me nuts by trying to protect all it's system files, hiding all of the important OS components I want to tweak, and generally making it impossible to do any modification to the OS in general to make it more usable. Therefore, is there a way to turn off all the idiot-checking in Finder? On XP, I can disable "Hide Protected Operating system files" and set "Show Hidden Files". On linux, there really aren't many hidden files, and changing the configuration for .files is easy enough in Gnome and XFCE. How can I set up OS X in a similar way. I am not new to computers, and I am fully aware that deleting system files can damage or even irreparably disable a OS install. Therefore, If I intentionally try to delete a file, or move something, it's probably intentional, and I am willing to accept the consequences in any case. At this point, I have fallen back to doing everything through the command line (which takes forever), because Finder is practically unusable. (As for what I am attempting to do, I also asked about GUI changes here.)

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• VPS with multiple domains, can EXIM send mail from a different domain?

  - by Mike L.

  I building a site for a client on a VPS running CentOS 5.5 with cPanel WMH 11.28.60. The original domain is XXXXXinvestmenttrust.com. He has about a dozen domains on this server. The site I am building will have confirmation emails as well as provide users to anonymize their email address (like craigslist) I set up email piping to forward emails, but they are all being trapped in the spam folder. A close look at the headers, the emails appear to be comming from [email protected] rather than the actual domain. The IP has a rating of Neutral on www.senderbase.com. I believe it is the conflicting information in the header (the fields set by me, specify the actual domain where the headers put in place by EXIM specify to name of the server) Somewhere I read about SPF & MX entries can fix this, but I have been unable to figure out how. Also, All of the domains use the same IP, and the other websites do not send emails. So I could possibly make the domain in question, the primary (where all emails are sent from that domain by default) Is that possible?

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• How to make Microsoft JVM work on Windows 7?

  - by rics

  I am struggling with the following problem. I cannot install MS JVM 3810 properly on Windows 7. When I start Interner Explorer 8 without starting any java 1.1 programs choosing Java custom settings under Internet options causes the crash of the browser. I have some Java 1.1 programs that work well in Internet Explorer 8 on Windows XP after the installation of MS JVM 3810. I know that it is not advised to use this old JVM but it is not a short-term option to port the programs in newer Java since it contains 3rd party components. Complete rewrite is a long-term plan. Strangely jview and appletviewer (jview /a) works from a console so the MS JVM 3810 is not completely busted just IE 8 does not like it. The problem with the appletviewer is that it cannot connect to the server even if both signed and unsigned content in Java custom settings have been set to Enable all. (Since Java custom settings was unreachable due to the crash the modifications - including My computer - were performed through the registry and pre-checked to behave correctly on Windows XP and Internet Explorer 8.) If jview was working then I could at least think of a workaround. Is there a way to configure MS JVM or jview properly on Windows 7? Another options would be: Checking Internet Explorer 9 Beta. Using virtualbox and Windows XP older IE in it. Delaying Windows 7 upgrade. ... Update Finally we have modified all the programs to work parallelly as applet and application as well. This way the programs can still be used from browser on older Windows versions. On Windows 7 the applications are started from the desktop. Installation to all user machine can easily be solved since they already have a large common application drive. The code update is fortunately only a few lines of modification: including a main method in the applet class. Furthermore instead of the starting html page a bat file is used to set the classpath before the startup with jview.

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• Windows 7: Dual Monitor Issue

  - by sdoca

  I have a Dell laptop with a docking station and two external monitors hooked up. I'm running Windows 7 64 bit. Originally, the two monitors were the same - Dell 1908FP. I have replaced one of them with an HP LA2405. I have set the HP 24" (1920 x 1200 connected via DVI port) as montior 1 and extended to use the Dell 19" (12080 x 1024 connected via VGA port) as monitor 2. I have set my power plan so that when the laptop is plugged in, it will turn the monitors off after 10 minutes, but it will not put my laptop to sleep. However, now that I have the HP monitor, when I unlock my laptop and the monitors come back on, all my windows are resized and shifted to the top left corner of the HP monitor as if they had been resized for display on the smaller Dell monitor. A co-worker has the exact same laptop and monitor configuration but doesn't experience this issue, so I figure there's some configuration that's different but we can't find it. I haven't been able to find any mention of a similar problem doing an internet search, but I'm not really sure what terms to use in my search. Anybody have any suggestions as to what may be causing the issue? OS setting? Monitor setting? EDIT: My laptop is using the Intel Graphics and Media Control Panel/drivers.

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• Secure NAT setup with iptables

  - by TheBigB

  I have Debian running device that needs to act as an internet-gateway. On top of that I want to provide a firewall that not only blocks inbound traffic, but also outbound traffic. And I figured iptables should be able to do the job. The problem: I've configured NAT properly (I think?), but once I set the default policy to DROP and add rules to for instance allow HTTP traffic from inside the LAN, HTTP is not going through. So basically my rules don't seem to work. Below is the initialization script that I use for iptables. The device has two NICs, respectively eth0 (the WAN interface) and eth1 (the LAN interface). echo 1 > /proc/sys/net/ipv4/ip_forward # Flush tables iptables -F iptables -t nat -F # Set policies iptables -P INPUT DROP iptables -P OUTPUT DROP # NAT iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE iptables -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT # Allow outbound HTTP from LAN? iptables -A FORWARD -i eth1 -o eth0 -p tcp --dport 80 -j ACCEPT iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT Can anyone shed some light on this?

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• server_name seems to be ignored in nginx

  - by user46171

  I have two domains set up in nginx.conf. Both are using SSL with their own certificates, and proxy to Apache. However the second domain is completely ignored, and nginx always resolves to the first domain. I can't see what in the issue is with this configuration, having set the server_name in each case correctly (as far as I can see): http { include mime.types; default_type application/octet-stream; keepalive_timeout 65; upstream site { # real IP addresses masked server xx.xxx.x.xxx; server xx.xxx.x.xxx; } server { # this domain always works listen 443; server_name *.first-site.com; ssl on; ssl_certificate /var/ssl/first-site.crt; ssl_certificate_key /var/ssl/first-site.key; location / { access_log off; proxy_connect_timeout 15; proxy_next_upstream error; proxy_pass http://site; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Protocol https; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_redirect off; } } server { # this domain is ignored, always resolves to first-site.com listen 443; server_name *.second-site.com; ssl on; ssl_certificate /var/ssl/second-site.crt; ssl_certificate_key /var/ssl/second-site.key; location / { access_log off; proxy_connect_timeout 15; proxy_next_upstream error; proxy_pass http://site; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Protocol https; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_redirect off; } } }

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• How do I get yum to see updates to a local repo without cleaning cache?

  - by Matt

  I have set up a local yum repository which I use to install test builds. For the testing purposes, my packages are versioned by <svn version number>.<date>.<time> (e.g. 12345.20110908.150404 The trouble is, once I make a new RPM, copy it to the repository directory and run createrepo $REPO_DIR, yum does not see the new RPM as being available. $ cd $REPO_DIR $ ls -1 repodata package-12345.20110908.150404-1.x86_64.rpm package-12345.20110908.174329-1.x86_64.rpm $ createrepo . # ...snip... $ rpm -q package package-12345.20110908.150404-1.x86_64 $ yum list --showduplicates package Installed Packages package.x86_64 12345.20110908.150404-1 @repo Available Packages package.x86_64 12345.20110908.150404-1 repo I can see the updates and grab them if I run yum clean all and then re-fetch the metadata, but I think this just means I need to be doing something else from the repo, as I don't have to do that for other yum repos. How do I need to set up my local repository so that I only need to run yum update from the client without having to clean my yum cache?

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• What are the best linux permissions to use for my website?

  - by Nic

  This is a Canonical Question about File Permissions on a Linux web server. I have a Linux web server running Apache2 that hosts several websites. Each website has its own folder in /var/www/. /var/www/contoso.com/ /var/www/contoso.net/ /var/www/fabrikam.com/ The base directory /var/www/ is owned by root:root. Apache is running as www-data:www-data. The Fabrikam website is maintained by two developers, Alice and Bob. Both Contoso websites are maintained by one developer, Eve. All websites allow users to upload images. If a website is compromised, the impact should be as limited as possible. I want to know the best way to set up permissions so that Apache can serve the content, the website is secure from attacks, and the developers can still make changes. One of the websites is structured like this: /var/www/fabrikam.com /cache /modules /styles /uploads /index.php How should the permissions be set on these directories and files? I read somewhere that you should never use 777 permissions on a website, but I don't understand what problems that could cause. During busy periods, the website automatically caches some pages and stores the results in the cache folder. All of the content submitted by website visitors is saved to the uploads folder.

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• Hard drive causing BSOD

  - by JoshIrving

  I've come across a problem after building my new PC and installing a clean Windows 7. I originally planed on a RAID 1 or 0 but after further research I decided against it. So I was left with two 1TB Western Digital Black SATA 6Gb/s hard drives. My plan now was to use my second hard drive as a backup (using Windows Backup or 3rd party software). I set both hard drives to AHCI in the BIOS and installed Windows 7. I went through the lengthy process of downloading and installing each driver manually (latest versions), using the motherboard disk for a list of what I need. After a few restarts and before installing any software, I took an image backup onto DVD and the second hard drive. First witnessed the problem during the first scheduled Windows backup. The progress bar froze at about 70% (doc backup done, image backup in progress). It stayed still for 2 hours until it blue screened. Next time the backup froze, I tried shutting down. It logged me out and got stuck at the last step ("Shutting down" and blue spinner) for an hour, until I hard shutdown. I later realised this hasn't got anything to do with the backup. I ended up blue screening on almost every shut down (same place). Turns out, it's because of the second hard drive spinning down or turning off. The computer will now shutdown properly, as long as I remember to read or write to the second drive before executing shutdown. I've now set "Turn off hard disk after: Never" - No problems, so far. Do I have dodgy hard drive(s) or should I investigate the POWER_STATE_DRIVER_FAILURE BSOD - can it be a driver issue? AHCI?

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• Best way to restrict access to a folder in Dropbox

  - by Joe S

  I currently run a business with around 10 staff members and we currently use Dropbox Pro 100GB to share all of our files. It works very well and is inexpensive, however, I am taking on a number of new staff and would like to move the more sensitive documents into their own, protected folder. Currently, we all share one Dropbox account, I am aware that Dropbox for teams supports this, but it is far too expensive for us as a small company. I have researched a number of solutions: 1) Set up a new standard Dropbox account just for use by management, which will contain all of the sensitive documents, and join the shared folder of the rest of my team to access the rest of the documents. As i understand it, this is not possible with a free account, as any dropbox shared folder added to your account will use up your quota 2) Set up some sort of TrueCrypt container, and install TrueCrypt on each trusted staff member's machine, and store the documents inside that. Would this be difficult to use? I'd imagine the sync-ing would not work so well as the disk would technically be mounted at the time of use and any changes would be a change to the actual container rather than individual files. I was just wondering if anyone knows a way to do this without the drawbacks outlined above? Thanks!

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• VPN: Disable class based route addition for Windows XP/Vista

  - by brgsousa

  Paraphrasing this SuperUser link: When you set up a VPN, the Windows default is to enable "Use default gateway on remote network." A new default route is added to the routing table pointing to the remote network's gateway, and the existing default route has its metric increased to force all Internet traffic to traverse the tunnel and use the remote network's gateway. All traffic uses the VPN, and traffic destined for the outside world is directed to the remote gateway. When the VPN drops, the route to the remote gateway is removed and the original default route is set back to the original metric. Unchecking "use default gateway on remote network" means that new default route isn't added, so Internet traffic goes out the local gateway, but a new classful route is added to the routing table, using the local adapter's IP, pointing down the VPN. Only traffic destined for the classful network of the local adapter goes down the VPN. This may not be what you want. Checking "Disable class based route addition" means that classful route isn't added to your machine when the VPN starts up, and you'll need to add the appropriate routes for networks that should be routed through the tunnel. But, the option "Disable class based route addition" is available ONLY for Windows 7. How can I do something like that for Windows XP or Vista since they don't have that option? I have searched about for that but, no solution yet.

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• Google Apps routing to different servers, depending on domain

  - by Philip

  We are investigating Google Apps for Education for our group of schools. Currently, each school uses their own Exchange (2003) server. Each school has its own domain which I have added to Google Apps as additional domains. I would like to start transitioning certain staff and some new pupils over to Google Apps to start testing. In this interim phase, I need mail to be routed through Google Apps and then, if no appropriate mail box is found, route on to the individual schools depending on the recipient. I do know that it is possible to route mail that does not have an appropriate Google Apps mail account to a single server - under "Settings / E-mail Settings / General Settings / Routing / E-mail routing". This works well for a single organisation where all the extra mail is destined for one place. I do know that it is possible to set up Routes, under "Settings / E-mail Settings / Hosts" and then use rules, found under "Settigns / E-mail Settings / General Settings / Routing / Receiving Routing". I can then filter based on e-mail domain and forward on to the necessary server. My problem with this, as I understand it, is that it ignores the users that have Google Apps accounts set up and sends all mail to the Exchange server. Are there any solutions for this predicament? Many thanks!

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• Are my web server permissions for uploading correct?

  - by user1699176

  I'm on debian and I have my website in the directory /srv/www/mysite.com/public_html I set chown for www-data:www-data on /srv/www. I have root disabled and created a sudo user which is id 1000:1000. I would also like to use this user to upload to /srv/www so I added my sudo user to the www-data group. I originally got a message saying that I didn't have permissions to upload a file to that directory. After playing around with multiple permissions for a while I finally was able to upload properly, but I'm not sure if this set up is correct. I'm hesitant to change it for now since it actually works, so I thought I'd ask for advice. I think what I ended up doing was this: sudo chown -R www-data:www-data /srv/www sudo chmod g+s /srv/www sudo usermod -aG www-data myuser sudo chgrp -R www-data /srv/www sudo chmod -R g+w /srv/www When I was finally able to successfully upload a file (with FileZilla) it showed the owner as myuser myuser. Shouldn't it have been www-data myuser? My question is whether this is correct and if there are any potential security issues? For example, I wasn't sure if I was actually supposed to use "myuser" to own the /srv/www directory instead sudo chown -R myuser:myuser /srv/www or maybe sudo chown -R www-data:myuser /srv/www If you need more info, let me know, thanks.

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• Ubuntu 12.04 can't boot after installing with software RAID 1

  - by Bill

  I've been trying to install Ubuntu with software RAID on my server and there is obviously something that I don't understand about the process. This is the guide that I followed: https://help.ubuntu.com/11.04/serverguide/advanced-installation.html I have two identical 1 TB disks in my server. I went through the initial install process and manually set up my partitions. On each disk I set up: (1) 100 MB partition for EFI boot (I didn't originally have this but added it based on a forum post I found after my original install failed to boot, I ended up with EFIboot since that was what the 'guided partitioning' decided to do) (1) 970 MB partition for / (1) 30 MB partition for swap I then created new RAID 1 disks combining the two partitions, one from each disk, such that each partition is mirrored. I then configured their usage as stated above. After saving the configuration I said yes to boot in a degraded state. The rest of the setup went normally, no errors of any kind. I saw GRUB being installed and again no errors. However, after rebooting the server I get the dreaded 'Insert boot media' and nothing happens. I loaded up the recovery disk and the mdadm configuration looks correct. md0 is my EFIBoot partition md1 is my \ partition using ext4 md2 is my swap partition Running file -s /dev/md0 doesn't indicate that GRUB is there and so I attempted to reinstall GRUB using the recovery disk. I selected the md0 disk and it appeared to install just fine. Running file -s /dev/md1 shows the error needs journal recovery, I'm not sure if that's related or not or how to fix that. Rebooting gives me the same problem, no boot media found. I've searched around the internet but can't figure out what to do next or more importantly how to troubleshoot what exactly is going wrong. Thanks!

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• Rsync root files between systems without specifying password

  - by xpt

  This seems very tricky to me. I've set up my two systems so that I can rsync files between them as me, without specifying password. Now the the problem is to rsync files that belong to root. On both of my systems, there are no root passwords. The only way to become root is via sudo. So I can neither give a password for sudo rsyn local root@remote:, no use my ssh-agent to supply pass phrase. I don't want to set up a root password on any systems; and I do need the files to be owned by root on both systems. EDIT: Using the files that belong to root is just an example, I need a way for my unprivileged account to read/write system (including root-owned) files easily. One example is to copy my configured /root environment into the freshly-installed system. The two systems are actually two VMs under a single host, so it's not a big concern for me to copy root-owned files between them. EDIT 2: If I only want to copy my configured /root environment into the freshly-installed system, I can use tar: sudo tar cvzf - /root | ssh me@remote sudo tar xvzf - -C / But I do need rsync to update from time to time. Any easy way to make it happen? EDIT 3: Formally formulate the question Alright, it all began with the question, how to rsync files that belong to root between two systems as a normal unprivileged user, without specifying password, under the condition that, The root account is locked on both of systems. I.e., there are no root passwords. The only way to become root is via sudo (recommended security practice, see http://help.ubuntu.com/community/RootSudo) I don't want a completely passwordless sudo but don’t want to be typing passwords all the time either. The normal unprivileged user has entered their ssh pass phrase into the ssh agent. Thanks

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• Cannot Add Particular Word to Dictionary

  - by WCWedin

  I am trying to add a particular word to my custom dictionary using Word 2007. (The word happens to be "deserialized".) When I right-click on the word and click Add to Dictionary, the red underline does not go away. When I use the Spelling & Grammar tool from the Review tab on the ribbon, it will stop on that word; clicking the Add to Dictionary button has no effect. Oddly, I am able to add other words to the custom dictionary without a problem. I recently added "deserializes", for instance. I have only encountered this problem with that one particular word. Does anyone know what might be wrong and how I might fix it? Clarifications My document and all its content is set to English (United States). My custom dictionary is set to apply to All Languages, which is the default value. "Serialize" is in the US English default dictionary, but "deserialize" and its various forms is not.

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• Glassfish and SSL [closed]

  - by Richard

  I'm struggling to get SSL working on Glassfish 3.1.1. I've been following tutorials like http://javadude.wordpress.com/2010/04/06/getting-started-with-glassfish-v3-and-ssl/ and SO posts like this Issues with setting up SSL on Glassfish v3 The above links are for information only. I've summarised what I've done below. As far as I can tell I'm doing everything correctly but I'm getting this error: SSL configuration is invalid due to No available certificate or key corresponds to the SSL cipher suites which are enabled Some background of what I have done: My cert is from GoDaddy. I generated the CSR from a new keystore (keystore.jks), then imported the resulting certs back into the same keystore and set the keystore password to the same pwd as the GF master password. Then created a new SSL listener in GF and pointed it at my keystore file (which I copied into domains/domain1/config). Set the Nickname to the alias of my cert (which is something liem 'mydomain.org' i.e. the name that I get when I run keytool -list. In my ciphers section in the network listeners page, I leave the defaults in place (empty, which means all ciphers are available I think). In domain.xml I've replaced all instances of s1as to 'mydomain.org'. This is the question: What exactly is causing the error highlighted? I'm guessing it's a mismatch between my listener config and aliases in my keystore, or something similar, but I'm not really sure what. Thanks

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• Selecting whole column except first X (header) cells in Excel

  - by Robert Koritnik

  I know I can select all cells in a particular column by clicking on column header descriptor (ie. A or AB). But is it possible to then exclude a few cells out of it, like my data table headings? Example I would like to select data cells of a particular column to set Data Validation (that would eventually display a drop down of list values defined in a named range). But I don't want my data header cells to be included in this selection (so they won't have these drop downs displayed nor will they be validated). What if I later decide to change validation settings of these cells? How can I selection my column then? A sidenote I know I can set data validation on the whole column and then select only those cells that I want to exclude and clear their data validation. What I would like to know is is ti possible to do the correct selection in the first step to avoid this second one. I tried clicking on the column descriptor to select the whole column and then CTRL-click those cells I don't want to include in my selection, but it didn't work as expected.

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