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• cups log kills ubuntu 12.04 and sudoer permissions changed

  - by peterretief

  I am using Ubuntu 12.04 as a desktop and recently had a weird crash with the log file for cups filling up the entire drive and not letting me back in, also what changed was /var/lib/sudo had changed from root to peter (me) I didn't make this change - I checked the history! I set the sudoers back to root and capped the max size for cups log Anyone had a similar experience? It feels like someone is messing around with my settings Is there any way to trace how the error occurred? Logs auth.log Jan 1 02:04:13 peter-desktop lightdm: pam_unix(lightdm:session): session opened for user lightdm by (uid=0) Jan 1 02:04:13 peter-desktop lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 Jan 1 02:06:53 peter-desktop lightdm: pam_unix(lightdm:session): session opened for user lightdm by (uid=0) Jan 1 02:06:53 peter-desktop lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 syslog Jan 1 02:04:13 peter-desktop rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="903" x-info="http://www.rsyslog.com"] start Jan 1 02:04:13 peter-desktop rsyslogd: rsyslogd's groupid changed to 103 Jan 1 02:04:13 peter-desktop rsyslogd: rsyslogd's userid changed to 101 Jan 1 02:04:13 peter-desktop rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] Jan 1 02:04:13 peter-desktop bluetoothd[898]: Failed to init gatt_example plugin Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] Initializing cgroup subsys cpuset Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] Initializing cgroup subsys cpu Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] Linux version 3.2.0-25-generic-pae (buildd@palmer) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #40-Ubuntu SMP Wed May 23 22:11:24 UTC 2012 (Ubuntu 3.2.0-25.40-generic-pae 3.2.18) Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] KERNEL supported cpus: Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] Intel GenuineIntel Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] AMD AuthenticAMD Jan 1 02:04:13 peter-desktop kernel: [ 0.000000] NSC Geode by NSC

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• Recommendation for Document Management Solution

  - by BillN

  We've just been informed by our software vendor that the custom document management system they'd written is no longer in development, and will not be supported in the future. So we are looking at new document management systems. Requirements: Multiple input vectors, we receive documents via e-mail, fax, scanning, and from the originating application Ability to Redact or obscure data. Customers may fax an order with CC data, we want to attach the image of the order form with the order record, but the CC data needs to be protected. Same with Tax IDs. Certain users should be able to see the redacted data, but access should be logged. Version control on documents. We'd like Product Development and Marketing to be able to track various versions of documents like Packaging Designs, but ensure that users have the latest approved version. AD integration, my users don't need another password. Ability to integrate to other apps. Our current system, offers function keys in the order-entry system, that will spawn the viewer application, and open the correct document. Mass import facility, we have a half a terabyte of existing documents in the old system that we would like to import. Retention Policy. I'd like a way to have the system comply with the corporate retention policy, so that when a document of a certain type reaches a certain age, it gets deleted, or atleast marked for manual deletion. We are a Windows Server and HP-UX shop. Does anybody have any experience with Document Management systems that they would like to share? Thanks.

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• How to prevent nginx from locking files on mounted samba partition in Centos 6

  - by Bruce Kirkpatrick

  I'm using nginx 1.3.8 inside a centos 6.3 virtualbox 4.2.4 virtual machine. The system is running the latest software available via yum update. The host OS is windows 7. The site files nginx is serving are on mounted samba partition, which is a folder on the host Windows system. I.e., inside linux, nginx paths are referring to /home/vhosts and this is mounted from D:\vhosts\ on windows. The samba partition is mounted as root with 777 privileges. /etc/fstab looks like this, but with real ip, username, password: //hostip/vhosts /home/vhosts cifs username=username,password=SECRETPASSWORD,uid=root,gid=root,file_mode=0777,dir_mode=0777,rw,_netdev 0 0 I.e. linux/nginx reads from the windows share, and not the opposite. in /etc/samba/smb.conf, I have tried to disable all samba locking features, but it seems to have no effect even after rebooting the virtual machine. locking=no share modes=no oplocks = no level2 oplocks = no kernel oplocks =no I'm receiving "Access is denied" errors in Windows or linux when attempting to overwrite the javascript file in windows that has been accessed at least once with nginx. If I run "service nginx reload", the lock is removed and I'm able to save the file. That's why I think it is nginx causing the lock. The same problem occurs with directories. However, that may be a different issue not related to the use of samba. I'm using samba so that I can manage the source code outside of the virtual machine. Also note that after I run "service nginx reload", the file I'm editing is actually automatically deleted from the windows host. SOLVED: I just reviewed my nginx.conf file. It appears the "open_file_cache" feature is what is causing the lock and deleted files. When I set this option to open_file_cache off;, My problem is resolved. I will repost as the answer when it allows me to do so.

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• Copying symbolic links and filenames with special characters to NAS

  - by Mr E

  I have a new Western Digital My Book Live NAS. I am trying to copy files from an old drive to the NAS. I'm using Ubuntu 12.04 and I've mounted the drive by browsing the network in Nautilus and choosing a shared folder configured on the NAS. The shared folder is then automatically mounted at .gvfs/files on mybooklive. There are two problems so far: File names and directory names containing certain characters (e.g. : or |). Attempting to copy these results in the error message: cp: cannot stat `/path/to/destination.filename': Invalid argument Symbolic links. In Nautilus I get the error message: Symlinks not supported by backend My questions are: Can I connect to the NAS or configure the NAS so that I can copy my files without this problem? (In case it matters, I don't need Windows compatibility.) If not, what can I do to identify all the problem files? Can I do anything to automatically fix my filenames Please let me know if any of this needs clarification. I'm not too familiar with all of this so I may have left out some useful information.

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• Laptop GPU apparently blew up, motherboard doesn't even turn on its power LED. [But..]

  - by leladax

  EDIT: (Was: Laptop automatic shutdown after 2 seconds) If I take out the GPU, the motherboard LED turns on but then [if it attempts to power up and boot] it turns off after 2 seconds [fans turn on normally in that short period]. [Without the GPUs out there's not even an attempt to boot.] It's an SLI motherboard for a toshiba (model X200-219). If I take out one of the GPUs (they are on top of each other) it surprisingly lets the motherboard turn on too (as it is if both are out) but it still turns off after 2-3 seconds, same behavior. I wonder if it's the GPU that produces the 'turn off after being on' behavior and not something else. [Has anyone seen this behavior with blown up GPUs or could it be something else?] Previous question (before EDIT. Sorry, but someone thought it productive to lock the other one as duplicate): I'm trying to insvestigate which component produces this behavior. Other indications show it may be the GPU but I wonder if anyone knows more. It's a Toshiba Satellite X200 description: AC power shows the power being fed normally, when turned on the fan works and it appears to be starting up but after 2 seconds it shuts down with only the 'AC power connected" led on. -- seconds are about up to 4,maybe not 2 exactly.

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• Remote desktop solution where the desktop sharing party contacts the computer it wants to share with

  - by Kent

  I'm in a situation where I act as a sort of techinical support to my family and less techinically experienced friends. I'm looking for a remote desktop solution where it's possible to setup a "zero-install, double click an icon"-solution where the client computer contacts me so that I may interact with their desktop. The last part is important as the people in need of my help don't know how to configure their router or even the firewall software on their own computer. They are able to click an accept button when asked if a program should be able to make outgoing connections. They have many different kinds of routers, as well as software firewalls, and I rather not deal with the problem of how to connect to them using whatever as well as the actual problem they are having. It must be: Free of charge for non-commercial use. Possible to use it in a mode where the computer wanting to share its desktop should be able to make a connection to my computer. My computer has a DNS name we can use. Compatible with both Windows XP and Windows 7. Independent of a third party server or infrastructure. Explanations of the above: I don't want to spend money on it when I help them for free. If it's free as in freedom, all the better! I guess this boils down to being callable like showdesktopto.exe opscomputer.com where opscomputer.com is my computers DNS name. If that is possible then I can create a shortcut they can use to connect to me when they need help. It's nice if it's possible to specify a password or key file which I can use to authenticate myself, but it's not required. They use the OS which their machine comes installed with. That means Windows XP or 7. I want something which will work in the long run. Using a third party service which might not be available when I need it disqualified such solutions.

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• managing a high traffic media sharing website

  - by Jordan Westerman

  i'm in the process of developing a website that i predict will generate a lot of traffic. the site will be similar to many other sites offering free media streaming: mp3's. we are going to start with a pretty minimal amount of media to share, but the basic idea is that artists will set up a profile page with music they have made available for consumers to visit the page and listen to the music. we are starting with just a handful of artists, but i think that this project will generate more and more artist pages. eventually i'd like to set it up so consumers can create personalized playlists. how can i best prepare server space and bandwidth capabilities? i have a small team of web designers and programmers working on the site, as i am pretty illiterate when it comes to site management. as the ring leader of this organization, i am more or less looking for financial requirements and monthly burn rate estimates. i don't have a ton of capitol to start with, putting together a business plan, but i am seeking investments. i have a game plan to grow fast enough to be successful, and slow enough to manage the financial growth requirements. any questions i may have failed to ask myself? is it realistic to start this project on a shared server, and upgrade? any financial advice you think i can use? i really appreciate any advice given, as this is my first business venture. thank you all in advance. Jordan Westerman D.B.A. Badfish Productions, LLC

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• EC2 Configuration

  - by user123683

  I am trying to create a server structure for my EC2 account. The design I have chosen consists of 2 instances running in different availability zones, elastic load balancer, an auto-scaling group with cloudwatch monitoring configured and a security group defining rules for access to the instances. This setup is to support an online web application written in PHP. I am trying to decide what is a better policy: Store MySQL DB on a separate Instance Store MySQL DB on an attached EBS volume (from what i know auto-scaling will not replicate the attached EBS volume but will generate new instances from a chosen AMI - is this view correct?) Regards the AMI I plan to use a basic Amazon linux 64 bit AMI, and install bastille (maybe OSSEC) but I am looking to also use an encrypted file system. Are there any issues using an encrypted file system and communication between the DB and webapp i neeed to be aware of? Are there any comms issues using the encrypted filesystem on the instance housing the webapp I was going to launch a second instance or attach a second volume in the second availability zone to act as a standby for the database - I'm just looking for some suggestions about how to get the two DB's to talk - will this be a big task Regards updates for security is it best to create a recent snapshot and just relaunch and allow Amazon to install updates on launch or is the yum update mechanism a suitable alternative - is it better practice to relaunch instead of updates being installed which force a restart. I plan to create two AMI snapshots one for the app server and one for the DB each with the same security measures in place - is this a reasonable - I just figure it is a better policy than having additional applications that are unnecessary included in a AMI that I intend on using. My plan for backup is to create periodic snapshots of the webapp and DB instances (if I use an additional EBS volume instead of separate instances my understanding is that the EBS volume will persist in S3 storage in the event of an unexpected termination and I can create snapshots of the volume backup purposes). Thanks in advance for suggestions and advice. I am new to EC2 and I may have described unnecessary overkill but I want to try implement what can be considered a best practice solution so all advice is appreciated.

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• OS X can't copy files from Windows Home Server...over wifi.

  - by John Clayton

  I'm a brand spanking new user of OS X, coming from a lifetime of Windows use. I've been setting up my new Macbook Pro and have run into a very unusual problem. Over wifi, I am unable to copy files to or from my Windows Home Server. The problem seems to exist only over wifi, and only to WHS. Here are the details of my setup: 2010 Macbook Pro (Core i7), OS X 10.6.3 Windows Home Server PP3 (virtualized in XenServer 5.5) Windows 7 Ultimate x64 desktop Windows 7 Ultimate x64 in Boot Camp D-Link DIR-655 wireless N router Here is what I've done to narrow down the problem: Files copy fine from WHS to OS X when using gigabit ethernet Files copy fine from desktop to OS X when using gigabit ethernet Files fail to copy from WHS to OS X when using wifi (error -51) Files copy fine from desktop to OS X when using wifi Files copy fine from WHS to Boot Camp when using wifi Files copy fine from desktop to Boot Camp when using wifi From what I can tell, it seems to be some sort of issue between OS X and WHS, but I can't for the life of me see what would be different between shares on WHS and my desktop. They are both connected using smb://ADDRESS (I've tried both by IP and name). I can browse the shares on the WHS, but copying to OS X fails. I originally found the issue while installing VS2010 off an ISO from WHS, mounted to a Windows 7 VM using VMware Fusion. During the installation the VM was unusable - even the clock got behind the host be about 8 minutes. Once I plugged in the ethernet and disabled the wifi things picked up and finished quickly. The Fusion 3.1 RC is the only I think of that I installed that may have messed with the wifi driver. I've also tried resetting the wifi router, and have changed it from being G & N to N-only. Under Boot Camp I get similar speeds as my wife's N laptop. Any ideas? Thanks!

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• How to restrict zone transfers to specific authorized servers only

  - by JonoB

  I recently failed a PCI compliance scan because of the following: This DNS server allows unrestricted zone transfers. Attackers may be able to use this information to gain knowledge on the structure of your networks to aid in device discovery prior to an actual attack. And the suggested solution is as follows: Reconfigure this DNS server to restrict zone transfers to specific authorized servers only. I am running a dedicated Linux Centos server. My understanding is that I have to edit the /etc/named.conf file, which I have done and the the relevant part is as follows: options { acl "trusted" { 127.0.0.1; xxx.xxx.xxx.001; //this is one of the server's ip's xxx.xxx.xxx.002; //this is another server's ip }; allow-recursion { trusted; }; allow-notify { trusted; }; allow-transfer { trusted; }; }; I then restarted the named service /etc/rc.d/init.d/named restart and requested a re-scan, which failed again for the same reason. Am I missing something obvious here?

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• SeLinux blocking connection to sshd on Ubuntu 9.10

  - by Barton Chittenden

  When I try to log on to my laptop, which runs Ubuntu 9.10, the server rejects my login attempts. Checking /var/log/auth.log, I see the following: Feb 14 12:41:16 tiger-laptop sshd[6798]: error: ssh_selinux_getctxbyname: Failed to get default SELinux security context for tiger I googled for this, and ran across the following: http://www.spinics.net/lists/fedora-.../msg13049.html Here's the part that I think relates to the problem that I'm having: Quote: What's wrong on my system? Why it's not possible to login even if selinux is in permissive mode? Any suggestions? I'd start by trying to figure out why sshd isn't running in sshd_t (it seems to be running in sysadm_t). Paul. selinux mailing list selinux@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mail...stinfo/selinux Yes, sshd is running in sysadm_t: ps axZ | grep sshd system_u:system_r:sysadm_t 3632 ? Ss 0:00 /usr/sbin/sshd -o PidFile=/var/run/sshd.init.pi ls -Z /usr/sbin/sshd system_ubject_r:sshd_exec_t /usr/sbin/sshd Don't know why it's not sshd_t. I didn't modified something. It's a standard installation of sles11 with the default reference policy from tresys. Maybe this code snippet from policy/modules/services/ssh.te is responsible for that: Allow ssh logins as sysadm_r:sysadm_t gen_tunable(ssh_sysadm_login, true) Any ideas? Do you have boolean init_upstart set to on? if not try setting it to on. I do not believe ssh_sysadm_login boolean works currently but i may be mistaken. -- Yeah, setting init_upstart to on did the trick! THANK A LOT! Do you know why this prevents the user from logging in through ssh even if selinux is set to permissive?? Ok, so the million dollar question is "where do I set 'init_upstart=1'"? It's not clear from context which configuration file needs to be edited, and I'm not at all familiar with SELinux configuration.

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• How can i get more low memory with the following setup:

  - by user539484

  Modules using memory below 1 MB: Name Total = Conventional + Upper Memory -------- ---------------- ---------------- ---------------- MSDOS 14 317 (14K) 14 317 (14K) 0 (0K) HIMEM 1 120 (1K) 1 120 (1K) 0 (0K) EMM386 3 120 (3K) 3 120 (3K) 0 (0K) OAKCDROM 36 064 (35K) 36 064 (35K) 0 (0K) POWER 80 (0K) 80 (0K) 0 (0K) NLSFUNC 2 784 (3K) 2 784 (3K) 0 (0K) COMMAND 2 928 (3K) 2 928 (3K) 0 (0K) MSCDEX 15 712 (15K) 15 712 (15K) 0 (0K) SMARTDRV 30 384 (30K) 13 984 (14K) 16 400 (16K) KEYB 6 752 (7K) 6 752 (7K) 0 (0K) MOUSE 17 296 (17K) 17 296 (17K) 0 (0K) DISPLAY 8 336 (8K) 0 (0K) 8 336 (8K) SETVER 512 (1K) 0 (0K) 512 (1K) DOSKEY 4 144 (4K) 0 (0K) 4 144 (4K) POWER 4 672 (5K) 0 (0K) 4 672 (5K) Free 552 944 (540K) 539 088 (526K) 13 856 (14K) Memory Summary: Type of Memory Total = Used + Free ---------------- ---------- ---------- ---------- Conventional 653 312 114 224 539 088 Upper 47 920 34 064 13 856 Reserved 0 0 0 Extended (XMS)* 64 898 256 2 671 824 62 226 432 ---------------- ---------- ---------- ---------- Total memory 65 599 488 2 820 112 62 779 376 Total under 1 MB 701 232 148 288 552 944 Total Expanded (EMS) 33 947 648 (33 152K Free Expanded (EMS)* 33 538 048 (32 752K * EMM386 is using XMS memory to simulate EMS memory as needed. Free EMS memory may change as free XMS memory changes. Largest executable program size 538 976 (526K) Largest free upper memory block 7 488 (7K) MS-DOS is resident in the high memory area. I'm running MS-DOS 6.22 on VMWare virtual hardware. This is memory state after memmaker pass, so i'm looking for optimization beyond memmaker. Note: NLS drivers (DISPLAY, KEYB, NSLFUNC) are essential for me. Thanks to @mtone for valuable reminder about MSCDEX /E which gave me 16KiB of low memory (see the diff)!

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• Googlebot repeatedly looks for files that aren't on my server

  - by John at CashCommons

  I'm hosting a site for a volunteer organization. I've moved the site to WordPress, but it wasn't always that way. I suspect at one point it was hacked badly. My Apache error log file has grown to 122 kB in just the past 18 hours. The large majority of the errors logged are of this form -- it's repeated hundreds of times today alone in my log files: [Mon Nov 12 18:29:27 2012] [error] [client xx.xxx.xx.xxx] File does not exist: /home/*******/public_html/*******.org/calendar.php [Mon Nov 12 18:29:27 2012] [error] [client xx.xxx.xx.xxx] File does not exist: /home/*******/public_html/*******.org/404.shtml (I verified that xx.xxx.xx.xxx was a Google server.) I suspect there was a security hole somewhere before, likely in calendar.php, that was exploited. The files don't exist anymore, but there may be many backlinks that exist that reference here, hence why googlebot is so interested in crawling them. How do I fix this gracefully? I still would like Google to index the site. I just want to tell it somehow not to look for these files anymore.

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• PDFs and Networked Printers

  - by Bart Silverstrim

  Weird issue. We have users printing to networked windows-shared printers (print server Win2003 sp2). Some users have been reporting recently that they can't print PDF documents to particular printers (two example printers are HP 2430 PCL 6 driver and 4250 PCL 6 driver). At first, we found that on many of these systems the "Everyone" object was added to the permissions for the root of the C: volume but had no permissions checked. We added modify privileges to it (these are Deep-Freeze systems, so modifications to these systems that we don't add as administrators won't matter) and they seemed to be able to print. Perhaps Acrobat Reader was writing a temp file for printing where users didn't have permission, we surmised, and made the change and moved on. Yesterday the user called in saying it's not working still. Looked at it; bring up a PDF, click Print and the reader app says that you have to install a printer. Look at the printers folder (Windows XP workstation), and it has printers installed. Print a test page, return to AcroReader, and it will print fine to that printer. The whole time web pages, MS Office documents, etc. print without issue to the same printers. Has anyone seen this issue with Acro Reader 9 and certain network printer drivers or shares involving HP printers? I'd post this to SuperUser but it seems to be associated with a networked printer issue, seems to affect subsets of users but may be more widespread and our users aren't reporting it to us assuming we just know about it, and I've not found rhyme or reason as to why it's affecting just PDF printing and particular printers. The print spoolers are all running on the workstations and print server without errors being logged so far, but I'm going through the logs now to see if I can find anything out of place.

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• LCD monitor flicker when connected to a laptop using VGA

  - by Björn Lindqvist

  I have a dual screen setup with two AOC e2450Sw monitors connected to a laptop. The laptop has one HDMI and one VGA output. When one of the monitors is connected using VGA, it flickers or displays static noise. The flickering is fairly subtle and only visible on darker colors. But it is there and noticable and appears like horizontal lines. The problem only appears on the monitor connected to the laptop using the VGA cable. If I swap the monitors, the one connected using VGA is displaying the flicker but not the one connected using HDMI. The simple solution would ofcourse be to connect both monitors using HDMI, but since the laptop only has one VGA and one HDMI out that isn't possible. I've tried tweaking the monitor setting using the OSD menu, but it had little or no effect. Update: After several more trouble shooting hours, it seems the problem is not related to the monitor or VGA cable as the problem persists even if I swap the display with another brand and different cables. So it may be the graphics card? Intel HD Graphics 4000. The laptop is Acer Aspire E1-571.

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• The physical working paradigm of a signal passing on wire.

  - by smwikipedia

  Hi, This may be more a question of physics, so pardon me if there's any inconvenience. When I study computer networks, I often read something like this in order to represent a signal, we place some voltage on one end of the wire and the other end will detect the voltage and thus the signal. So I am wondering how a signal exactly passes through wire? Here's my current understanding based on my formal knowledge about electronics: First we need a close circuit to constrain/hold the electronic field. When we place a voltage at somewhere A of the circuit, electronic field will start to build up within the circuit medium, this process should be as fast as light speed. And as the electronic field is being built up, the electrons within the circuit medium are moved, and thus electronic current occurs, and once the electronic current is strong enough to be detected at somewhere else B on the complete circuit, then B knows about what has happend at A and thus communication between A and B is achieved. The above is only talking about the process of sending a single voltage through wire. If there's a bitstream and we need to send a series of voltages, I am not sure which of the following is true: The 2nd voltage should only be sent from A after the 1st voltage has been detected at B, the time interval is time needed to stimulate the electronic field in the medium and form a detectable electronic current at B. Several different voltages could be sent on wire one by one, different electronic current values will exists along the wire simutaneously and arrive at B successively. I hope I made myself clear and someone else has ever pondered this question. (I tag this question with network cause I don't know if there's a better option.) Thanks, Sam

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• Encoding over SSH Issues

  - by user1104160

  I have a Linux machine and a Windows machine, both using Vim with the Powerline plugin. They both work great with patched fonts. Next, I want to SSH onto an OSX 10.6 machine and also use the Powerline in the terminal with Vim. However, I get weird symbols with normal mode ("^^B" in one area) and fancy mode ("~@" and "~B" spread throughout the bar. I thought this mixup was an encoding issue, but when I look at Putty's encoding it is using UTF-8 and the same with the Ubuntu terminal. Additionally, on the OSX machine, "locale" returns "en_US.UTF-8" for all variables (I set it to do that in order to troubleshoot). However, the symbols are still showing. I am using a patched font (Inconsolata, the same one as the Ubuntu terminal) for the OSX terminal, so I am stumped. Is there a missing component to this equation? Are there additional problems that can arise from SSH encoding? On the OSX end, additionally, these same symbols appear, so it may not even be related to SSH and therefore I'm totally lost.

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• Windows SBS 2008 problem

  - by MadBoy

  I was today on clients site that has Windows 2008 SBS installed with Symantec EndPoint Protection. Problem is that after I logged in tried multiple commands like services.msc, msconfig typed in "Run" but nothing was started. For the first 5 minutes i can click around Start Menu, choose some applications (non microsoft works, even control panel works). But then something happens that I can't click where I want.. i can click on Start Menu and get it active but i cant choose anything from there, everything is like blocked, i can right click on Desktop i can do many things but most of the left clicks is blocked. Even when i start TaskMgr i am able to see it but I cannot click it, can't activate it or anything. It acts very very weird. It's newly installed system, with less then a month of when it was installed and it wasn't really used (been down most of the time). I suspect Symantec EndPoint protection might be faulty so when I go back there (Wednesday) I will uninstall it but maybe someone else have some ideas what may be happening. I doubt there's any virus or anything, symantec was installed right after setting everything up and running.

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• Mac Mail sent messages not in sent folder

  - by Elizabeth Akers

  Hi. My powerbook G4 has been lobbying for a furlough recently, and its latest prank is to not show sent messages in my sent mailbox. I have always had a copy of every sent message, and now, for some unknown reason, I can only see sent messages from May 7 and earlier. When I did a test, and sent myself an email, it shows up fine in my inbox, but there's nothing in the sent folder. Weird. It also has the little arrow next to messages that I replied to in the inbox. I guess I'm going to have to cc myself on everything until I get this fixed. Also, it's got another new trick, which I'm assuming is unrelated, but I mention it here just in case it is: the battery says it's "good" and has a cycle count of 0, and a full charge capacity of 2139, but for some reason it's all of a sudden not charging when it's plugged in. It works fine when connected to the wall, but there is no battery life at all. Zip. Any thoughts? Is it just time for a new 'book? This one just got back from Apple, having its harddrive replaced for the fourth time (for free, but seriously, this thing is a lemon). Thanks so much, Elizabeth

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• virtualbox snapshot size

  - by intuited

  I've started using Windows 7 under VirtualBox on an Ubuntu 10.10 host. I took about 6 snapshots over the course of setting up the VM from the Windows restore image that came with the computer. My installations were more or less limited to windows updates, antivirus, and the VB Guest Additions. I uninstalled much more than I installed. The VM was running for about 24 hours total. The snapshots increased in size at a worrisome rate, even when the machine was idle: the snapshot .vdi file for the period between 11:22 PM and 9:02 AM is 6 gigs in size; during that time very little happened. The other .vdi files are between 0.5 and 3 GB, most between 1 and 2 GB. The corresponding .sav files are between 0.5 and 1 GB. The Internet connection where I was doing this is limited to 30KB/s download, which, constantly saturated, works out to less than 3 GB per 24 hour period. Is this normal? Is there something that can be done to make snapshots more practical? update On starting up the VM again, I've noticed that mscorsvw is using significant processing time. Apparently this process [precompiles .NET assemblies]. This may have been going on during the period when I was taking snapshots, which might explain some of the snapshot size increase. I would be somewhat surprised to learn that this could be responsible for over 10 GB of additional disk usage, or that it would run for roughly 24 hours. Is this possible?

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• Everyone can access my Windows 7 Homegroup file shares - Even Windows XP computers

  - by Adrian Grigore

  I have 3 computers in my network, two running Windows 7 and one running Windows XP. I've set up a homegroup on both Windows 7 computers. Also, all computers are in the same Workgroup. The problem is that one of the Windows 7 computers makes all shares accessible to the entire Workgroup instead of just sharing to the Homegroup as it should be. I created the file share in Windows 7 via right-click in the explorer, then click on "Share For" - "Homegroup (Read/Write)" (translated from German, so the actual wording may be different). Also, when I look at the file sharing properties of that folder, Windows Explorer informs me that Users must have a valid account and password for this Computer to access drive shares. Unfortunately this is not true. Being in the same Workgroup is enough to get access. Homegroup restrictions work as expected on my other Windows 7 computer. When trying to browse those shares from the XP computer, I get a dialog asking for a login and password. What might cause homegroup restrictions to fail and how can I fix this?

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• Etag configuration with multiple apache servers or CDN / How does Google do ETags?

  - by perrierism

  I have an application which is served from two apache2 servers and I want to configure the ETags on static content. In the future I would also like to use a CDN. I see that this is supposed to be a problem because the Etag information will be different from server to server... The ETag format for Apache 1.3 and 2.x is inode-size-timestamp. Although a given file may reside in the same directory across multiple servers, and have the same file size, permissions, timestamp, etc., its inode is different from one server to the next. So if you're using more than one webserver to host your app (like 90% of the webapps you use everyday do), it's supposed to be an issue. However I see Google uses Etags, and certainly they use multiple servers and CDN and edge caching, etc... I get a 304 response for any cached Google content. How do they do it? How do you get around the multiple server issue? Is there a way to configure this with Apache?

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• Squid Authentication & streaming

  - by Steve Butler

  I've got squid setup using Kerberos authentication. I'm also using squidguard as an URL redirector to block out the usual nastiness of the web. There are some sites though that we allow certain users to, and others not. This all works well, assuming I'm not using any streaming. From what i can determine from the squid logs and the wireshark traces I've done, when the initial request to stream is sent, everything is good, the authenticated username is sent with the request to squidguard. The problem is that on subsequent traffic the username is not sent to squidguard, causing it to be blocked based on default policy. I've tried using the squid built-in allow/deny stuff, but its relatively clunky, and so far squidguard has been pretty easy and fast. Here comes the question(s): How do i get Squid to pass username on all requests? (something tells me this isn't the best way) How do i get squidguard to see traffic is authenticated to a specific user even when a username isn't passed? Is there any other way of accomplishing this? A few details that may be of importance: I'm using a list of users stored in a text file for squidguard to compare against. I'm using full kerberos auth with Squid. CentOS 6.0 Squid 3.1.4 Squidguard 1.3

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• How to auto-cc a system email account any time a user creates an appointment

  - by Ferdy

  I will not bother explaining my full architecture or reasons for wanting this in order to keep this question short: Is it possible to auto-cc a certain email account any time a Exchange user creates an appointment or meeting in his own calendar? Is it possible using rules? Our Exchange 2007 server is outsourced, I cannot change the configuration or install plugins server-side Preferably, it still should work server-side, because users may use the Outlook client but also Outlook Web Access Is there any other way, perhaps using group policies? My conclusion so far is that the only viable way to accomplish this is to build an Outlook add-on. The problem there is that it will need to be managed for thousands of desktop users and that the add-on will not work when using another client (OWA, mobile). An alternative architecture could be to pull the information from the user's calendar on a scheduled basis. Given that we are talking about a lot of users, scalability is a major issue, this has also been confirmed by Microsoft. Can you confirm that my thinking is correct or do you have any other solutions?

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• Switch Windows 8 from a hybrid MBR/GPT => GPT only on Macbook Pro Retina

  - by Sid

  I used DiskUtility+Bootcamp Wizard to setup my hard drive for Windows 8 (final MSDN). Somewhere in that process, the Apple tools turned my GPT disk into a hybrid MBR/GPT. All my 4 primary MBR partitions are used up, so when I try turning on Bitlocker in Windows 8, it complains about not finding a System drive. I know on Windows 8 the Bitlocker setup tries to create the 200(?)MB system partition if it's missing. However with all 4 partitions filled I suspect it can't create system drive = it can't find it = throws back an error like "BitLocker Setup could not find a target system drive. You may need to manually prepare your drive for BitLocker". I've already tried disabling hibernation, swap file etc. Now I'm thinking that if I were to get rid of the MBR scheme altogether, perhaps I can be alright within the GPT world without MBR's 4 primary partitions limit. So, how can I get rid of the MBR tables on the hybrid scheme in a manner that still leaves Mac OS and Windows 8 in working conditions? Details: Hardware is the MacbookPro Retina. Primary MBR partitions are consumed as follows: EFI partition HFS+ partition (=encrypted, therefore ="Apple_CoreStorage") HFS+ partition (Recovery partition, contains unencrypted Mac bootloader) NTFS partition (Windows8 all-in-one partition) diskutil list output sid-mbpr:~ sid$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *251.0 GB disk0 1: EFI 209.7 MB disk0s1 2: Apple_CoreStorage 160.0 GB disk0s2 3: Apple_Boot Recovery HD 650.0 MB disk0s3 4: Microsoft Basic Data Win8 90.1 GB disk0s4 GPT vs MBR addresses sid-mbpr:~ sid$ sudo gptsync /dev/rdisk0 Password: Current GPT partition table: # Start LBA End LBA Type 1 40 409639 EFI System (FAT) 2 409640 312909639 Unknown 3 312909640 314179175 Mac OS X Boot 4 314179584 490233855 Basic Data Current MBR partition table: # A Start LBA End LBA Type 1 1 409639 ee EFI Protective 2 409640 312909639 ac Apple RAID 3 312909640 314179175 ab Mac OS X Boot 4 * 314179584 490233855 07 NTFS/HPFS Status: GPT partition of type 'Unknown' found, will not touch this disk.** **: Ignore this message, the gptsync tool is old and doesn't understand the UUID for "Apple_CoreStorage" / FileVault2 partitions. Since LBA addresses are alright, safe to ignore this message.

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