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• Additional Security Measures for Syslog over SSH

  - by Eric

  I'm currently working on setting up some secure syslog connections between a few Fedora servers. This is my currently setup 192.168.56.110 (syslog-server) <---- 192.168.57.110 (syslog-agent) From the agent, I am running this command: ssh -fnNTx -L 1514:127.0.0.1:514 [email protected] This works just fine. I have rsyslog on the syslog-agent pointing to @@127.0.0.1:1514 and it forwards everything to the server correctly on port 514 via the tunnel. My issue is, I want to be able to lock this down. I am going to use ssh keys so this is automated because there will be multiple agents talking to the server. Here are my concerns. Someone getting on the syslog-agent and logging into the server directly. I have taken care of this by ensuring that syslog_user has a shell of /sbin/nologin so that user can't get a shell at all. I don't want someone to be able to tunnel another port over ssh. Ex. - 6666:127.0.0.1:21. I know my first line of defense against this is to just not have anything listening on those ports and it's not an issue. However I want to be able to lock this down somehow. Are there any sshd_config settings on the server that I can use to make it where only port 514 can be tunneled over ssh? Are there any other major security concerns I'm overlooking at this point? Thanks in advance for your help/comments.

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• Default IPv6 route on debian squeeze does not come up after boot

  - by Georg Bretschneider

  I have a problem with my default IPv6 route not coming up after boot on a Debian Squeeze system. This is my config (/etc/network/interfaces): # Loopback device: auto lo iface lo inet loopback iface lo inet6 loopback # device: br0 auto br0 iface br0 inet static bridge_ports eth0 bridge_fd 0 address 88.198.62.xx broadcast 88.198.62.63 netmask 255.255.255.224 gateway 88.198.62.33 up route add -net 88.198.62.32 netmask 255.255.255.224 gw 88.198.62.33 br0 iface br0 inet6 static address 2a01:4f8:131:10x::2 netmask 64 gateway 2a01:4f8:131:100::1 up route -A inet6 add 2a01:4f8:131:100::1/59 dev br0 My inet comes up alright, but I have to exec the route command manually after boot to make IPv6 work. Otherwise I can't even reach my gateway. This is the output of ip -6 route show after boot: 2a01:4f8:131:10x::/64 dev br0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 unreachable fe80::/64 dev lo proto kernel metric 256 error -101 mtu 16436 advmss 16376 hoplimit 4294967295 fe80::/64 dev br0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 I already tried it with: up ip -6 route add 2a01:4f8:131:100::1 dev br0 up ip -6 route add default via 2a01:4f8:131:100::1 dev br0 in /etc/network/interfaces, but with the same results. If I execute those commands manually on my shell, everything starts working nicely. And yes, I tried with post-up instead of up, too. Only other changes I made was to activate ip forwarding for IPv6, because I want to run some LXC containers on that system.

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• Configure samba server for Unix group

  - by Bird Jaguar IV

  I'm trying to set up a samba server with access for users in the Linux (RHEL 6) "wheel" group. I am basing smb.conf off of the example here where it goes through the [accounting] example. In my smb.conf I have [tmp] comment = temporary files path = /var/share valid users = @wheel read only = No create mask = 0664 directory mask = 02777 max connections = 0 (rest of the output from $ testparm /etc/samba/smb.conf is here). And groups `whoami` returns user01 : wheel. When I use the following command from another machine (Mac OS) as the Linux user (user01): $ smbclient -L NETBIOSNAME/tmp it asks for a password, I hit return without a password, and get: Enter user01's password: Anonymous login successful Domain=[DOMAIN] OS=[Unix] Server=[Samba 3.6.9-151.el6_4.1] Sharename Type Comment --------- ---- ------- tmp Disk temporary files IPC$ IPC IPC Service (Samba Server Version 3.6.9-151.el6_4.1) But when I try $ smbclient //NETBIOSNAME/tmp I try entering the password I use for the Linux login, and get a bunch of stuff logged, including check_sam_security: Couldn't find user 'user01' in passdb. ... session setup failed: NT_STATUS_LOGON_FAILURE (I can give more logging information if it would be helpful.) I can't find a reference to more steps I need to add group users in the resource. Should I be manually adding samba users from the group somehow? Thank you

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• Can't install xclip on Ubuntu 10.10

  - by wildster

  I'm trying to load an SSH key to Github from a new machine and this command is not working: sudo apt-get install xclip Reading package lists... Done Building dependency tree Reading state information... Done Package xclip is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package xclip has no installation candidate when I try: sudo aptitude install xclip Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done No candidate version found for xclip No candidate version found for xclip The following partially installed packages will be configured: synaptics-dkms 0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0B of archives. After unpacking 0B will be used. Writing extended state information... Done Setting up synaptics-dkms (1.1.1) ... Loading new synaptics-1.1.1 DKMS files... Error! Cannot locate /usr/src/synaptics-1.1.1.dkms.tar.gz. File does not exist. dpkg: error processing synaptics-dkms (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: synaptics-dkms E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up synaptics-dkms (1.1.1) ... Loading new synaptics-1.1.1 DKMS files... Error! Cannot locate /usr/src/synaptics-1.1.1.dkms.tar.gz. File does not exist. dpkg: error processing synaptics-dkms (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: synaptics-dkms Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done Any idea how I can install this? Mucho thanks in advance

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• How to import a text file into powershell and email it, formatted as HTML

  - by Don

  I'm trying to get a list of all Exchange accounts, format them in descending order from largest mailbox and put that data into an email in HTML format to email to myself. So far I can get the data, push it to a text file as well as create an email and send to myself. I just can't seem to get it all put together. I've been trying to use ConvertTo-Html but it just seems to return data via email like "pageFooterEntry" and "Microsoft.PowerShell.Commands.Internal.Format.AutosizeInfo" versus the actual data. I can get it to send me the right data if i don't tell it to ConvertTo-Html, just have it pipe the data to a text file and pull from it, but it's all ran together with no formatting. I don't need to save the file, i'd just like to run the command, get the data, put it in HTML and mail it to myself. Here's what I have currently: #Connects to Database and returns information on all users, organized by Total Item Size, User $body = Get-MailboxStatistics -database "Mailbox Database 0846468905" | where {$_.ObjectClass -eq “Mailbox”} | Sort-Object TotalItemSize -Descending | ft @{label=”User”;expression={$_.DisplayName}},@{label=”Total Size (MB)”;expression={$_.TotalItemSize.Value.ToMB()}} -auto | ConvertTo-Html #Pause for 5 seconds for Exchange write-host -foregroundcolor Green "Pausing for 5 seconds for Exchange" Start-Sleep -s 5 $toemail = "[email protected]" # Emails report to this address. $fromemail = "[email protected]" #Emails from this address. $server = "Exchange.company.com" #Exchange server - SMTP. #Email the report. $email = New-Object System.Net.Mail.MailMessage $email.IsBodyHtml = $True $email.To.Add($toemail) $email.From = $fromemail $email.Subject = "Exchange Mailbox Sizes" $email.Body = $body $client = New-Object System.Net.Mail.SmtpClient $server $client.UseDefaultCredentials = $true $client.Send($email) Any thoughts would be helpful, thanks!

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• Ubuntu - No gnome-panels, no right-click, no internet, no hotkeys

  - by Darthfett

  Hey guys, I've been using Ubuntu (Maverick 10.10) on my desktop (ATI Radeon 5830) for about 3 weeks now, but all of a sudden I am unable to even use my computer. As soon as I start up, I see my desktop, with icons, but I don't see any gnome-panels, and I'm unable to get any options if I right-click. I can start programs by double clicking them. I also cannot get an internet connection. I've tried restarting gnome-panel by killing it, using Ctrl+Alt+5 to switch to a terminal (I don't have a shortcut to one on my desktop, and no hotkeys will work), but no luck. Restarting my computer has no effect upon this (I have to manually cut the power, since I don't know the terminal command). As far as I know, I have not made any changes, and I've never had any problems in the past. This started when I was playing Minecraft, but my internet crapped out, and no amount of re-trying the connection would work. I know it was my computer, as my brother's was working fine in the other room. Any clues as to what's going on? I'm more than willing to troubleshoot.

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• Inactive users in windows server after some time according to first login instead of defining a solid expiration date

  - by smhnaji

  We want to give access to some Windows Server users so they can remotely have access to our server and download from a special folder of the server. The licenses we give to users, are time base. There should be 1 month, 2 month, ..., 1 year, ... licenses. CURRENT SITUATION (WHAT I DON'T WANT): When users are created and added to the OS, a solid expiration date is given. WHAT I WANT: Users' expiration date should be calculated automatically after first login. The user might not need his account right when purchases the license. In another words: When a license of the user we create is purchased at Jan 1st, he should use the license until Feb 1st. No matter whether he really logs in or not. He cannot come Feb 5th and begin using his license because that has expired then. What I want is that when he comes at Feb 5th and begins using, the license update until March 5th. CLARIFICATION (Update after MDMarra's comment) Working environment is Windows Server 2012. By the word 'user', I mean Native Windows Server Users. Whenever a new person purchases a license with me, I create them manually using net user command like this: net user ali pass /add /expires:2013-12-25

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• Can't open cocoa emacs from terminal using open -a

  - by Shane

  I installed emacs on my macbook air running os x 10.6.5 from this site http://emacsformacosx.com/. I believe this is what used to be called cocoa emacs. I dragged it into my Application folder and it works fine when i run it from there. I want to be able to run it from terminal. After some googling, i tried open -a /Application/Emacs.app foo.txt (foo.txt was and existing file). I got two emacs windows - one with welcome screen and one with foo.txt loaded. I tried a few applications in the /Applications directory and they did not seem to behave like this. I had installed it using my own account (an admin account) so after doing ls -l on /Application I noticed that the owner and group were different from the other entries in this folder. I recursively changed the owner and group to root and wheel, like the others, but this did not help. The only thing that looks funny now is that there that ls -l show a @ character which has something to do with extended attributes but i don't know how to check these. Any suggestions on what to check next? Is using the open command the only to run the program? Can I simulate what it does using a shell script?

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• How to configure a Linux kernel based on the modules currently in use?

  - by Carla

  Hello, I'm willing to build a minimal kernel with only the needed things for my machine; so I started by compiling the kernel from the ground up, using the default configuration and adding things that I know for sure I have (i.e.: Ethernet card, WiFi card, ...). But there are several other things not so easy to know about (i.e.: the watchdog timer) so I came across AutoKernConf which supposedly detects the hardware of the machine and generates a kernel configuration file with the settings for the found devices. The problem is it contained several settings repeated and even some which I don't have (I'm using a Dell laptop and one of the things it "found" was something of a Toshiba one). So I ended up building a kernel with the configuration that came out of the make allmodconfig command, which is a kernel with most of the things compiled as modules. Booting into that kernel and running lsmod I can see all of the kernel modules in use (the ones really needed) and I would like to know if there is a tool or some way for me to parse that list and convert it to the corresponding kernel configuration file. Or how to map each one with the appropriate options in the kernel so that I can manually set them. Thank you very much for your time.

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• Flash drive suddenly died. Why? Can I recover it?

  - by mg

  Hi, I have a flash drive that I used not too much but, after few month of inactivity, it died. I know that flash drives have a limited write cycles but I am sure that this is not the problem. I tried to create a new partition table and format the drive nothing worked. This is the output of mkfs.ext2. marco@pinguina:~$ sudo LANG=en.UTF-8 mkfs.ext2 -v -c /dev/sdc1 [sudo] password for marco: mke2fs 1.41.11 (14-Mar-2010) fs_types for mke2fs.conf resolution: 'ext2', 'default' Calling BLKDISCARD from 0 to 4001431552 failed. Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 244320 inodes, 976912 blocks 48845 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=1002438656 30 block groups 32768 blocks per group, 32768 fragments per group 8144 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736 Running command: badblocks -b 4096 -X -s /dev/sdc1 976911 badblocks: Input/output error during ext2fs_sync_device Checking for bad blocks (read-only test): done Block 0 in primary superblock/group descriptor area bad. Blocks 0 through 2 must be good in order to build a filesystem. Aborting.... Is there something I can do to recover it?

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• Howto enable SMPTS (465) postfix CentOS

  - by user197284

  I need help is enabling SMTPS. I use postfix , dovecot with MySQL(virtual domains). I do not know how to enable SMTPS(465). I already added tls related settings and key and certificate in the "/etc/postfix/main.cf" OS: Centos 6.4 64 bit Please my /etc/postfix/master.cf file here # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== smtp inet n - n - - smtpd -o content_filter=smtp-amavis:127.0.0.1:10024 -o receive_override_options=no_address_mappings pickup fifo n - n 60 1 pickup -o content_filter= -o receive_override_options=no_header_body_checks cleanup unix n - n - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - n 300 1 oqmgr tlsmgr unix - - n 1000? 1 tlsmgr rewrite unix - - n - - trivial-rewrite bounce unix - - n - 0 bounce defer unix - - n - 0 bounce trace unix - - n - 0 bounce verify unix - - n - 1 verify flush unix n - n 1000? 0 flush proxymap unix - - n - - proxymap smtp unix - - n - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - n - - smtp -o fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - n - - showq error unix - - n - - error discard unix - - n - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - n - - lmtp anvil unix - - n - 1 anvil scache unix - - n - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # ==================================================================== maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient} uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient # # spam/virus section # smtp-amavis unix - - y - 2 smtp -o smtp_data_done_timeout=1200 -o disable_dns_lookups=yes -o smtp_send_xforward_command=yes 127.0.0.1:10025 inet n - y - - smtpd -o content_filter= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o mynetworks=127.0.0.0/8 -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 -o receive_override_options=no_header_body_checks -o smtpd_bind_address=127.0.0.1 -o smtpd_helo_required=no -o smtpd_client_restrictions= -o smtpd_restriction_classes= -o disable_vrfy_command=no -o strict_rfc821_envelopes=yes # # Dovecot LDA dovecot unix - n n - - pipe flags=DRhu user=vmail:mail argv=/usr/libexec/dovecot/deliver -d ${recipient} # # Vacation mail vacation unix - n n - - pipe flags=Rq user=vacation argv=/var/spool/vacation/vacation.pl -f ${sender} -- ${recipient} retry unix - - n - - error proxywrite unix - - n - 1 proxymap Please help to enable SMTPS. I have amavis enabled

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• Can't ping guest OS from Windows XP SP3 host running VIC.

  - by Vittal

  Hi, I am running VMware ESX Server 3i Version 3.5.0 and accessing this server using VMware Infrastructure Client Version 2.5.0 on a Windows XP SP3 machine. I have enabled the Microsoft TCP/IP version 6 stack and assigned an IPv6 address (using the netsh command) to the network adapter. The guest OS'es running on ESX Server (includes Win7, W2K8, WinXP) also have IPv6 addresses enabled on their adapters. The adapters are configured to be in VM Network (Bridged mode) and hence have connectivity to the Internet. The VMs are able to ping each other using IPv6 addresses and are also able to ping a physical Win7 machine using IPv6 addresses. However, the Windows XP SP3 machine on which the Client is running is not able to ping any hosts running on ESX Server while the VMs are able to ping this host. Whenever I try to ping from WXP box I get the "Invalid source route specified." error. The WinXP machine is not able to ping the Win7 physical machine too (the same error as above is thrown). Can someone help me understand why I am receiving this error and what I need to do to resolve this error? Thanks, Vittal

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• Windows 7, going crazy with environment variables

  - by roymustang86

  So, I am trying to learn java. I installed the JDK and proceeded to write a few programs. Each time, I have to give the path to javac.exe to compile the .java file. SO, I decided to tweak the %PATH% variable. And no matter what I change it to, it doesn't work. when I do an echo %PATH%, I get 'Program' is not recognized as an internal or external command, operable program or batch file. This is my Path variable contents : C:\app\product\11.1.0\client_1\bin;%CommonProgramFiles%\Microsoft Shared\Windows Live;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;"C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\";"C:\Program Files\Broadcom\Broadcom 802.11";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\DLLShared\";"C:\Program Files (x86)\Roxio\OEM\AudioCore\";"C:\Program Files (x86)\Intel\Services\IPT\" How do I work around this? the double quotes were not there before, I added it thinking the space was the problem.

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• AFP/SSH stopped working on OS X Server

  - by churnd

  I have 3 Mac OS X servers all bound to AD, all configured in the Golden Triangle setup. All 3 are completely separate from each other in terms of services, but all reside on the same internal network and are all bound to the same Active Directory domain. Two are 10.5.x (latest updates) and one is 10.6.3. Last weekend, all 3 simultaneously stopped allowing Active Directory users access to certain services, specifically AFP & SSH. SMB still works fine on all 3. I asked the AD admin if anything changed, and he said "Yes, we made a change to user accounts to toughen up security", and suggested I use [email protected] instead of just username. This still didn't work. I have completely removed one of my servers from AD, and re-joined, but this didn't work either. I can do kinit from command line and get a Kerberos ticket. sudo klist -ke shows all services are configured to use the correct Kerberos principles. I have been scavenging the logs for any useful info. The AFP log just shows that I'm connecting and disconnecting. The DirectoryService.log shows stuff about misconfigured Kerberos hashes, but my research is showing that's not uncommon. /var/log/system.log isn't showing anything useful that I can see. I'm not sure where to go from here. Any help/ideas appreciated.

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• mplayer (mplayerhq.hu) repeats ending audio frames

  - by kamikatze

  mplayer (from mplayerhq.hu) on windows repeats the last few audio frames upon exit. When the video ends, before you can see Exiting... (End of file) in the command prompt, you will hear the last 1/2 second or so of the audio track again. This behavior is the same for multiple containers/codecs/soundcards Vista or Windows 7. Is there a workaround for this? My playback specs: MPlayer Sherpya-MT-SVN-r31027-4.2.5 (C) 2000-2010 MPlayer Team 150 audio & 343 video codecs Playing splash_final.wmv. ASF file format detected. [asfheader] Audio stream found, -aid 1 [asfheader] Video stream found, -vid 2 VIDEO: [WMV3] 1280x720 24bpp 1000.000 fps 6291.5 kbps (768.0 kbyte/s) ========================================================================== Opening video decoder: [dmo] DMO video codecs DMO dll supports VO Optimizations 0 1 DMO dll might use previous sample when requested Decoder supports the following formats: YV12 YUY2 UYVY YVYU RGB8 [..] Decoder is capable of YUV output (flags 0x1b) Movie-Aspect is undefined - no prescaling applied. VO: [directx] 1280x720 = 1280x720 Planar YV12 Selected video codec: [wmv9dmo] vfm: dmo (Windows Media Video 9 DMO) ========================================================================== ========================================================================== Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO: 44100 Hz, 2 ch, s16le, 329.8 kbit/23.37% (ratio: 41221-176400) Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg)) ========================================================================== AO: [dsound] 44100Hz 2ch s16le (2 bytes per sample) Starting playback...

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• wget recursively download from pages with lots of links

  - by Shadow

  When using wget with the recursive option turned on I am getting an error message when it is trying to download a file. It thinks the link is a downloadable file when in reality it should just be following it to get to the page that actually contains the files(or more links to follow) that I want. wget -r -l 16 --accept=jpg website.com The error message is: .... since it should be rejected. This usually occurs when the website link it is trying to fetch ends with a sql statement. The problem however doesn't occur when using the very same wget command on that link. I want to know how exactly it is trying to fetch the pages. I guess I could always take a poke around the source although I don't know how messy the project is. I might also be missing exactly what "recursive" means in the context of wget. I thought it would run through and travel in each link getting the files with the extension I have requested. I posted this up over at stackOverFlow but they turned me over here:) Hoping you guys can help.

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• NetBackup's bplist doesn't get user/group info for Windows files

  - by Gnustavo

  I'm trying to get information about storage consumption from NetBackup's bplist output. I'm running NBU 6.0MP5 on a RHEL 3 server. The server is backing up several Solaris, Linux, and Windows machines. When I use bplist to get information about files backed up on any UNIX machine I get something like this: # bplist -C unixclient -R 99 -l -s 01/28/2006 -e 01/29/2006 / drwxr-xr-x test ccase 0 Nov 16 09:28 /l/home2/test/ -rw------- test ccase 4737 Jan 06 17:54 /l/home2/test/.bash_history -rw-rw-r-- test ccase 104 Nov 11 2004 /l/home2/test/.bashrc However, when I use it to list files backed up on any Windows client I can't get the user and group information. They both always appear as 'root'. Like this: # bplist -C winclient -t 13 -R 99 -l -s 02/20/2006 / drwx------ root root 0 Feb 20 14:26 /C/temp/ -rwx------ root root 41 Feb 20 14:26 /C/temp/asdf.txt drwx------ root root 0 May 25 2004 /C/temp/CTRMNGR/ Does anyone know why bplist doesn't show the correct user/group for Windows files? If it can't, is there a way to get that information using another command? Thanks. Gustavo.

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• Hibernate between OS X and Bootcamp Win 7

  - by Willem

  Wouldn't it be great if someone wrote a guide or an app which allowed you to switch instantly between OS X and Windows using Hibernate in both OS:s? Windows 7 already has an option "Hibernate" which allows you to boot back to your OS X partition, but OS X does not exactly offer the same. However, there are possibilities here. It seems that the recent Mac's have 3 different kinds of sleeping mode: Sleep: Low power consumption, RAM still active. Legacy Safe Sleep: No power consumption(?), writes RAM to disk and shuts down (is this the same as Hibernate?) Safe Sleep: Writes RAM to disk and enters sleep mode. If battery level drops too low it goes into Hibernate (is this Hibernate the same as #2 in this list? This is the Hibernate I will be referring to int he rest of this post) It seems that I am unable to force my MacBook Pro (Late 2011) OS X 10.7.3 into a true hibernate using either command line or apps that are supposed to do this. I believe the Mac should show that white loading bar whilst waking up if it was truly put into hibernate (which it does not). But I can get this white bar to show by letting my battery level drop to 0% so there is obviously a system function for it (obviously, duh! :). When Win 7 goes into hibernate it shuts down completely and you can then boot into OS X on startup. On OS X however, hibernate forces you to wake up into OS X. Can you hack this so that you're allowed to select boot partition after OS X hibernates? Would it be possible to use the true hibernate system functionalities of Win 7 and OS X to create a kind of instant switching between the two? Imagine this on a quick SATA-3 SSD like my 180GB Intel 520. Thanks / Willem

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• SVN hangs on commit - any suggestions for troubleshooting?

  - by Richard Beier

  We're having a problem with SVN... Subversion clients such as TortoiseSVN hang when we commit any more than a few files at a time to our server. Everything appears to actually be committed successfully to the repository; but the client hangs after all the data has been transmitted. We're using version 1.4.4 of the SVN server. We use the svn:// protocol rather than http to connect. We've reproduced this problem with several clients: TortoiseSVN (1.6.10), AnkhSVN (2.1), and the Silk command-line client (1.6.12). This is happening for everyone on the team, though some people seem to be more affected than others. If someone commits only a few files, it often works; but with more than half a dozen files, it usually hangs. Does anyone have troubleshooting suggestions? This has been happening sporadically for a while, but it's become pretty consistent lately. We've been working around the issue by killing the hung SVN client, doing "svn cleanup", and then doing "svn up"; but sometimes that causes tree conflicts. Another workaround is to blow away the workspace and check it out again after every commit; but of course that's pretty annoying. Are there any diagnostics that could help us troubleshoot this? We're considering upgrading to SVN 1.6 server, and installing the server on a new machine; but we're wondering if there's an easier solution. Thanks for your help, Richard

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• TOR Proxy / Vidalia "New Identity" button not working

  - by Yisman

  I need to hide my ip from time to time. In Vidalia, I click on "New Identity". Ihen I check http://myip.ozymo.com/ to see if my IP address has changed. But, no, it hasn't. Why is that? And how can this be fixed? I tried waiting till the button gets re-enabled to make sure that its done processing the command, but still the IP address is the same. In Fiddler each request is tracked, so it's not a cached response. It's re-requested, but simply does not change. Fiddler though does show one thing interesting. Here is the raw response of many of the requests: HTTP/1.1 200 OK Content-Length: 13 Date: Mon, 23 May 2011 12:02:57 GMT Server: Apache X-Powered-By: PHP/5.2.14 Content-Type: text/html; charset=UTF-8 Age: 1 Connection: keep-alive **Warning: 110 localhost:8118 Object is stale** 26.32.120.106 What is this warning? And is this the cause?

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• Mailgun Is Not Detecting My New MX Records

  - by Tyler Crompton

  When I issue a DiG command to verify my MX records, I get the following output: $ dig example.com MX ; <<>> DiG 9.9.5-3-Ubuntu <<>> example.com MX ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47700 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 5 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;example.com. IN MX ;; ANSWER SECTION: example.com. 85468 IN MX 10 mxa.mailgun.org. example.com. 85468 IN MX 10 mxb.mailgun.org. ;; REMAINDER OF OUTPUT REMOVED FOR BREVITY However, when I click "Check DNS Records Now" on Mailgun, it verifies the changes to the TXT and CNAME records but says that my MX records have not been changed. Type | Priority | Enter This Value | Current Value -----+----------+------------------+-------------------- MX | 10 | mxa.mailgun.org | 10 mail.example.com MX | 10 | mxb.mailgun.org | 10 mail.example.com I updated these records three to fours ago. I know it said to wait up to twenty-four to forty-eight hours. But I feel that if it detected the other DNS changes, then it should detect the MX record changes. Am I being impatient or is this a legitimate concern? What do you suggest I do? Note: I'd create a Mailgun tag for this; I feel that it'd be appropriate, but I don't have enough reputation to do so.

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• Network connection keeps dropping - bad hardware?

  - by Bill Sambrone

  Hello all, I've into a bit of a wall with a client of mine. In an office of 20 people, he is the only one who experiences broken connections to his mapped network drives. I have everyone set up with about 6 mapped drives, all pointing to the same server (no DFS), and everyone else can access them lightning fast. The environment consists of a mix of Windows 7 and XP machines, all 32-bit. The server holding the data everyone is mapping to is running on Server 2008 R2, and is a domain controller. We recently swapped out their old 10/100 switch for a shiny new Dell PowerConnect gigabit switch. We have also replaced an old dying Sonicwall with a shiny new one. Everything is running on an ESX host except for the DC, where everyone is getting data from. In my client's office, we have done the following: Swapped out his computer (Win7 and XP box) Swapped out the desktop switch in his office Removed the desktop switch in his office Changed out the network cable going to the wall Ran 'net config server /autodisconnect:-1' on the server Disabled remote differential compression on his current Win7 box When we swapped out his network cable, everything seemed fine for about 4 days. Normally I would get a phone call a couple times per day letting me know that Outlook has crashed (there is a 9GB PST living on the server he is always connected to), or that his software he is running from his L drive has crashed. I almost thought I had this solved, but after we rebooted the DC the other night he all of a sudden couldn't stay connected to his mapped network drives for more than 10 minutes. When I ran 'net use' from the command prompt, it listed all the network drives where were randomly in a state of 'OK', 'Disconnected', or 'Reconnecting'. What else should I try? Maybe there is bad wiring in the wall, patch panel, or a bad port in the new switch I have in the server room?

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• Failing to load rootfs: Ubuntu 10 + grub2 + rootfs ext4 w/ RAID1

  - by James

  I am having problems booting a new Ubuntu 10 (server) install. My primary HD (/dev/sda) is laid out as follows: Device Boot Start End Blocks Id System /dev/sda1 * 1 18 144553+ 83 Linux <-- /BOOT /dev/sda2 19 182401 1464991447+ 5 Extended /dev/sda5 19 2207 17583111 fd Linux raid autodetect /dev/sda6 2208 11934 78132096 fd Linux raid autodetect <-- / (ROOTFS) /dev/sda7 11935 182401 1369276146 fd Linux raid autodetect The rootfs is part of a RAID1 (software) array (currently degraded): # cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md2 : active raid1 sda6[1] 78132032 blocks [2/1] [_U] The UUIDs for the partitions are as follows: # blkid /dev/sda1 /dev/sda1: UUID="b25dd301-41b9-4f4d-9b0a-0e31713dd74c" TYPE="ext2" # blkid /dev/sda6 /dev/sda6: UUID="af7b9ede-fa53-c0c1-74be-31ec752c5cd5" TYPE="linux_raid_member" # blkid /dev/md2 /dev/md2: UUID="a0602d42-6855-482f-870c-6f6ecdcdae3f" TYPE="ext4" Finally, I have my grub2 menuentry setup as follows: ### BEGIN /etc/grub.d/10_linux ### menuentry 'Ubuntu, with Linux 2.6.32-25-server' --class ubuntu --class gnu-linux --class gnu --class os { insmod ext2 insmod raid insmod mdraid set root='(hd0,1)' search --no-floppy --fs-uuid --set b25dd301-41b9-4f4d-9b0a-0e31713dd74c linux /vmlinuz-2.6.32-25-server root=UUID=a0602d42-6855-482f-870c-6f6ecdcdae3f ro nosplash noplymouth initrd /initrd.img-2.6.32-25-server } When I attempt to boot, grub loads OK, however I eventually get the following error message: Gave up waiting for root device. ALERT /dev/disk/by-uuid/a0602d42-6855-482f-870c-6f6ecdcdae3f does not exist. Dropping to a shell! If from the grub bootloader I open a grub command line, I can ls (hd0,) and it lists the correct partitions with the UUIDs as shown above - sda6 shows 'a0602d42-6855-482f-870c-6f6ecdcdae3f' (the RAID UUID). If I ls (md2)/ it properly lists all the files on the RAID1 filesystem (ext4) so it doesn't appear to be an issue accessing the raid device. Does anyone have any suggestions as to what the problem might be? I can't figure this one out.

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• using gmail as email relay for sendmail

  - by Nikita

  I used to be able to send emails using a gmail account & sendmail configured using one of the guides on the Internet, for example: http://appgirl.net/blog/configuring-sendmail-to-relay-through-gmail-smtp/ This is a small server and I've recently moved it to a different house. And sendmail has stop working. The only thing different in the network setup is a new router. What is happening: In the log files, I see the following error: ...stat=Deferred: smtp.gmail.com: No route to host When I run from the command line: strace sendmail -f A -t B -u "Subject" -m "Message" -tls=yes ssl=yes -s smtp.gmail.com:587 -xu A -xp XYZ It hangs on this call: recvfrom(3, "m0\201\203\0\1\0\0\0\0\0\0\4ares\3lan\0\0\34\0\1", 8192, 0, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("192.168.1.254")}, [16]) = 26 close(3) = 0 time(NULL) = 1339997943 open("/etc/localtime", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=3477, ...}) = 0 fstat64(3, {st_mode=S_IFREG|0644, st_size=3477, ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb76ff000 read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096) = 3477 _llseek(3, -24, [3453], SEEK_CUR) = 0 read(3, "\nEST5EDT,M3.2.0,M11.1.0\n", 4096) = 24 close(3) = 0 munmap(0xb76ff000, 4096) = 0 socket(PF_FILE, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 3 connect(3, {sa_family=AF_FILE, path="/dev/log"}, 110) = 0 send(3, "<18>Jun 18 01:39:03 sendmail[268"..., 96, MSG_NOSIGNAL) = 96 nanosleep({60, 0}, So it looks like at some point it tries to resolve the DNS name, but I don't have anything running on 53, so it dies out and then just hangs. The other interesting thing is that msmtp works just fine on the same server. Update: ares in strace output is actually the name of my server, but .254 IP address is the address of the router. Could anyone tell me why this is happening or what further steps can I take to investigate the issue? Thanks!

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• tmpreaper, --protect and a non-root user

  - by nsg

  Hi, I'm a little confused. I have a download directory that I want to remove all files older then 30 days with tmpreaper. Just one problem, the directory in question is a separate partition with a lost+found directory, of course I need to keep it so I added --protect 'lost+found', the problem is that tmpreaper outputs: error: chdir() to directory 'lost+found' (inode 11) failed: Permission denied (PID 30604) Back from recursing down `lost+found'. Entry matching `--protect' pattern skipped. `lost+found' I have tried with other pattern like lost* and so on... I'm running tmpreaper as a non-root user because there is no reason for superuser privileges because I own all files (except lost+found). Are I'm forced to run tmpreaper as root? Or are my shell-skills not as good as I thought? I guess the problem is: tmpreaper will chdir(2) into each of the directories you've specified for cleanup, and check for files matching the <shell_pattern> there. It then builds a list of them, and uses that to protect them from removal. Any thought and/or advice? Edit: The command I'm trying to run is something like $ /usr/sbin/tmpreaper -t --protect 'lost+found' 30d /mydir 1> /dev/null error: chdir() to directory `lost+found' (inode 11) failed: Permission denied Edit 2: I read the source code for tmpreaper-1.6.13 and found this if (safe_chdir (dirname)) exit(1); and if (chdir (dirname)) { message (LOG_ERROR, "chdir() to directory `%s' (inode %lu) failed: %s\n", dirname, (u_long) sb1.st_ino, strerror (errno)); return 1; } So it seems tmpreaper needs to be able to chdir in to all directories, ignored or not. I see two options left Run tmpreaper as root Move the download directory Find a alternative tool (tmpwatch?) I will give it some more research before i make a choice.

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