Daily Archives

Articles indexed Sunday March 20 2011

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  • How can I log when reads to /dev/random block?

    - by ldrg
    I've noticed that since updating my server to Debian Squeeze the amount of entropy as reported by /proc/sys/kernel/random/entropy_avail is much lower than it was before the upgrade. I would like to know if this lower pool size is big enough to function with or if I need to look into getting more entropy sources. I think having a way to log blocking reads of /dev/random would show whether I have enough entropy or not.

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  • Cisco ASA Act as a Hardware Security Module?

    - by Derek
    Hello, We have a partner that is requiring us to get a HSM for a web application that we host for them. This is something new for us, we've always installed our SSL certificates on our web servers and never needed a hardware device. We currently have 2 Cisco ASA 5510 firewalls in an active/standby configuration. Both ASAs have a ASA-SSM-10 security module installed in them. The web application is a standard HTTPS webpage with no authentication required. I was wondering if we could use our Cisco ASAs to meet this requirement or if we'll have to buy another device. I was doing some searching and read about Cisco's clientless webvpn feature. It sounds like it might work, but I'm not sure. We basically want the ASA to handle the SSL and proxy the connection to our web servers. We do not want to prompt for a username or password to connect or show any portals, just display the web page. If the ASA cannot do this, does any one have any recommendations for network attached hardware security modules? We are using VMware vCenter, so we'd rather have an external device attached to the network, rather than buying HSM cards for every ESXi host. Thanks, Derek

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  • Nexenta/OpenSolaris filer kernel panic/crash

    - by ewwhite
    I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've had random crashes spaced 10-14 days apart. This system used to open OpenSolaris and was stable in that arrangement. The crashes trigger the automated system recovery feature on the hardware, forcing a hard system reset. Here's the output from mdb debugger: panic[cpu5]/thread=ffffff003fefbc60: Deadlock: cycle in blocking chain ffffff003fefb570 genunix:turnstile_block+795 () ffffff003fefb5d0 unix:mutex_vector_enter+261 () ffffff003fefb630 zfs:dbuf_find+5d () ffffff003fefb6c0 zfs:dbuf_hold_impl+59 () ffffff003fefb700 zfs:dbuf_hold+2e () ffffff003fefb780 zfs:dmu_buf_hold+8e () ffffff003fefb820 zfs:zap_lockdir+6d () ffffff003fefb8b0 zfs:zap_update+5b () ffffff003fefb930 zfs:zap_increment+9b () ffffff003fefb9b0 zfs:zap_increment_int+68 () ffffff003fefba10 zfs:do_userquota_update+8a () ffffff003fefba70 zfs:dmu_objset_do_userquota_updates+de () ffffff003fefbaf0 zfs:dsl_pool_sync+112 () ffffff003fefbba0 zfs:spa_sync+37b () ffffff003fefbc40 zfs:txg_sync_thread+247 () ffffff003fefbc50 unix:thread_start+8 () Any ideas what this means?

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  • Access internal IP using public IP

    - by willvv
    Hi, I have a DSL modem with a public IP address (201.206.x.x), and I have a web server in my internal network (192.168.0.50). I set up the modem to forward requests to port 80 to my web server, so, if I access 201.206.x.x from outside my network, it shows my web page, the same happens if I access 192.168.0.50 from a computer inside my network. Now, the problem is when I try to access 201.206.x.x from my internal network, the browser tries to connect to the DSL modem configuration, instead of redirecting my request to my Web server. Which settings do I have to change in the modem to set up this redirection? Thanks!

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  • Samba creates two files on copy of one file

    - by Rudiger
    Hi, I've set up Samba share on a Centos system and all works fine except whenever I copy a file to a share it makes two files, the actual file and what looks to be a log file, which has an appending ._ on the front of it. So for example if I copy index.php it copies that one, plus it creates ._index.php with semi looking log info in it. How do I stop Samba doing this? I'm sure its in smb.conf somewhere but can't find it. Cheers

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  • Can't access SQL Server 2008 from workstations, but can from server

    - by Kev
    We have an app that can use mssql2k or 2k8. We've been using 2k but I decided to try 2k8 to compare. I installed in on our win2k3 server alongside mssql2k. In the ODBC applet on the server, I was able to set up access to 2k8, and it passes the test at the end successfully, whether I tell it to use Windows Authentication or an sql login. The latter is how the app always accessed mssql2k. The app works fine from the server, but when I try it on a workstation (winxpsp3), I get a window titled, "Microsoft SQL Server Login" that says: Connection failed: SQLState: '01000' SQL Server Error: 53 [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect()). Connection failed: SQLState: '08001' SQL Server ERror: 17 [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied. Then I get the ODBC login dialog, which I can't get to login correctly (I just keep getting the same error above), even copying and pasting a password after resetting it on the server, and whether "trusted" is checked or not. "Options" is disabled. The server was straight SERVERNAME for mssql2k, but for mssql2k8 it's called SERVERNAME\mssql2008. That works on the server, why not on the workstation? (Which I'm logged in as the same person on, BTW.)

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  • DNS: domain2 points to domain1

    - by Yar
    I have one domain ("domain1") that is set up with hosting and mail (hosted by Gmail Apps). This domain works perfectly. I want a second domain ("domain2") to forward to domain1, but I don't want to use "DNS Forwarding." I would like to have it act EXACTLY like domain1, so that domain2/whatever points to the same resource as domain1/whatever WITHOUT AN HTTP REDIRECT NOR BROWSER TRICKS LIKE FRAMES. I would also love to be able to send mail to "blah@domain2" and have it go to "blah@domain1". Can this be set up, and how? I am using GoDaddy as registrar and DNS host for both domains. GoDaddy is also the web host for domain1, and mail hosting is with Google Apps.

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  • SUSE EC2 Problem - zypper - Permission denied

    - by phuu
    Hi. I'm trying to use zypper to install gcc on my Amazon EC2 instance running SUSE.When I try:zypper in gcc I get: Retrieving repository 'SLE11-SDK-SP1' metadata [] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/install/SLE11-SDK-SP1/sle-11-i586/media.1/media' denied. Abort, retry, ignore? [a/r/i/?] (a): i Retrieving repository 'SLE11-SDK-SP1' metadata [error] Repository 'SLE11-SDK-SP1' is invalid. Can't provide /media.1/media : User-requested skipping of a file Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLE11-SDK-SP1' because of the above error. Retrieving repository 'SLE11-SDK-SP1-Updates' metadata [|] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLE11-SDK-SP1-Updates/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): i Retrieving repository 'SLE11-SDK-SP1-Updates' metadata [error] Repository 'SLE11-SDK-SP1-Updates' is invalid. Can't provide /repodata/repomd.xml : User-requested skipping of a file Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLE11-SDK-SP1-Updates' because of the above error. Retrieving repository 'SLES11-Extras' metadata [/] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-Extras/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): r Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-Extras/sle-11-i586/repodata/repomd.xml' denied. Abort, retry, ignore? [a/r/i/?] (a): zypper in gcc Invalid answer 'zypper in gcc'. [a/r/i/?] (a): a Retrieving repository 'SLES11-Extras' metadata [error] Repository 'SLES11-Extras' is invalid. Can't provide /repodata/repomd.xml : Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLES11-Extras' because of the above error. Retrieving repository 'SLES11-SP1' metadata [-] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/install/SLES11-SP1/sle-11-i586/media.1/media' denied. Abort, retry, ignore? [a/r/i/?] (a): a Retrieving repository 'SLES11-SP1' metadata [error] Repository 'SLES11-SP1' is invalid. Can't provide /media.1/media : Please check if the URIs defined for this repository are pointing to a valid repository. Warning: Disabling repository 'SLES11-SP1' because of the above error. Retrieving repository 'SLES11-SP1-Updates' metadata [] Permission to access 'http://eu-west-1-ec2-update.susecloud.net/repo/update/SLES11-SP1-Updates/sle-11-i586/repodata/repomd.xml' denied. I've search for the problem and this thread came up, but offered no solutions.I've triedsces-activate. Am I doing something wrong? I should say I'm very new to this, and I admit I don't really know what I'm doing, but I'm trying to learn about setting up and running a server and so I thought I'd throw myself in at the deep(ish) end. Thanks for reading.

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  • Failing Sata HDD

    - by DaveCol
    I think my HDD is fried... Could someone confirm or help me restore it? I was using Hardware RAID 1 Configuration [2 x 160GB SATA HDD] on a CentOS 4 Installation. All of a sudden I started seeing bad sectors on the second HDD which stopped being mirrored. I have removed the RAID array and have tested with SMART which showed the following error: 187 Unknown_Attribute 0x003a 001 001 051 Old_age Always FAILING_NOW 4645 I have no clue what this means, or if I can recover from it. Could someone give me some ideas on how to fix this, or what HDD to get to replace this? Complete SMART report: Smartctl version 5.33 [i686-redhat-linux-gnu] Copyright (C) 2002-4 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF INFORMATION SECTION === Device Model: GB0160CAABV Serial Number: 6RX58NAA Firmware Version: HPG1 User Capacity: 160,041,885,696 bytes Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 7 ATA Standard is: ATA/ATAPI-7 T13 1532D revision 4a Local Time is: Tue Oct 19 13:42:42 2010 COT SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED See vendor-specific Attribute list for marginal Attributes. General SMART Values: Offline data collection status: (0x82) Offline data collection activity was completed without error. Auto Offline Data Collection: Enabled. Self-test execution status: ( 0) The previous self-test routine completed without error or no self-test has ever been run. Total time to complete Offline data collection: ( 433) seconds. Offline data collection capabilities: (0x5b) SMART execute Offline immediate. Auto Offline data collection on/off support. Suspend Offline collection upon new command. Offline surface scan supported. Self-test supported. No Conveyance Self-test supported. Selective Self-test supported. SMART capabilities: (0x0003) Saves SMART data before entering power-saving mode. Supports SMART auto save timer. Error logging capability: (0x01) Error logging supported. General Purpose Logging supported. Short self-test routine recommended polling time: ( 2) minutes. Extended self-test routine recommended polling time: ( 54) minutes. SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 100 253 006 Pre-fail Always - 0 3 Spin_Up_Time 0x0002 097 097 000 Old_age Always - 0 4 Start_Stop_Count 0x0033 100 100 020 Pre-fail Always - 152 5 Reallocated_Sector_Ct 0x0033 095 095 036 Pre-fail Always - 214 7 Seek_Error_Rate 0x000f 078 060 030 Pre-fail Always - 73109713 9 Power_On_Hours 0x0032 083 083 000 Old_age Always - 15133 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0033 100 100 020 Pre-fail Always - 154 184 Unknown_Attribute 0x0032 038 038 000 Old_age Always - 62 187 Unknown_Attribute 0x003a 001 001 051 Old_age Always FAILING_NOW 4645 189 Unknown_Attribute 0x0022 100 100 000 Old_age Always - 0 190 Unknown_Attribute 0x001a 061 055 000 Old_age Always - 656408615 194 Temperature_Celsius 0x0000 039 045 000 Old_age Offline - 39 (Lifetime Min/Max 0/22) 195 Hardware_ECC_Recovered 0x0032 070 059 000 Old_age Always - 12605265 197 Current_Pending_Sector 0x0000 100 100 000 Old_age Offline - 1 198 Offline_Uncorrectable 0x0000 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0000 200 200 000 Old_age Offline - 62 SMART Error Log Version: 1 ATA Error Count: 4645 (device log contains only the most recent five errors) CR = Command Register [HEX] FR = Features Register [HEX] SC = Sector Count Register [HEX] SN = Sector Number Register [HEX] CL = Cylinder Low Register [HEX] CH = Cylinder High Register [HEX] DH = Device/Head Register [HEX] DC = Device Command Register [HEX] ER = Error register [HEX] ST = Status register [HEX] Powered_Up_Time is measured from power on, and printed as DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes, SS=sec, and sss=millisec. It "wraps" after 49.710 days. Error 4645 occurred at disk power-on lifetime: 15132 hours (630 days + 12 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 7b 86 b1 ea Error: UNC at LBA = 0x0ab1867b = 179406459 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 02 7b 86 b1 ea 00 00:38:52.796 READ DMA ec 03 45 00 00 00 a0 00 00:38:52.796 IDENTIFY DEVICE ef 03 45 00 00 00 a0 00 00:38:52.794 SET FEATURES [Set transfer mode] ec 00 00 7b 86 b1 a0 00 00:38:49.991 IDENTIFY DEVICE c8 00 04 79 86 b1 ea 00 00:38:49.935 READ DMA Error 4644 occurred at disk power-on lifetime: 15132 hours (630 days + 12 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 7b 86 b1 ea Error: UNC at LBA = 0x0ab1867b = 179406459 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 04 79 86 b1 ea 00 00:38:41.517 READ DMA ec 03 45 00 00 00 a0 00 00:38:41.515 IDENTIFY DEVICE ef 03 45 00 00 00 a0 00 00:38:41.515 SET FEATURES [Set transfer mode] ec 00 00 7b 86 b1 a0 00 00:38:49.991 IDENTIFY DEVICE c8 00 06 77 86 b1 ea 00 00:38:49.935 READ DMA Error 4643 occurred at disk power-on lifetime: 15132 hours (630 days + 12 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 7b 86 b1 ea Error: UNC at LBA = 0x0ab1867b = 179406459 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 06 77 86 b1 ea 00 00:38:41.517 READ DMA ec 03 45 00 00 00 a0 00 00:38:41.515 IDENTIFY DEVICE ef 03 45 00 00 00 a0 00 00:38:41.515 SET FEATURES [Set transfer mode] ec 00 00 7b 86 b1 a0 00 00:38:41.513 IDENTIFY DEVICE c8 00 06 77 86 b1 ea 00 00:38:38.706 READ DMA Error 4642 occurred at disk power-on lifetime: 15132 hours (630 days + 12 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 7b 86 b1 ea Error: UNC at LBA = 0x0ab1867b = 179406459 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 06 77 86 b1 ea 00 00:38:41.517 READ DMA ec 03 45 00 00 00 a0 00 00:38:41.515 IDENTIFY DEVICE ef 03 45 00 00 00 a0 00 00:38:41.515 SET FEATURES [Set transfer mode] ec 00 00 7b 86 b1 a0 00 00:38:41.513 IDENTIFY DEVICE c8 00 06 77 86 b1 ea 00 00:38:38.706 READ DMA Error 4641 occurred at disk power-on lifetime: 15132 hours (630 days + 12 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER ST SC SN CL CH DH -- -- -- -- -- -- -- 40 51 00 7b 86 b1 ea Error: UNC at LBA = 0x0ab1867b = 179406459 Commands leading to the command that caused the error were: CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name -- -- -- -- -- -- -- -- ---------------- -------------------- c8 00 06 77 86 b1 ea 00 00:38:41.517 READ DMA ec 03 45 00 00 00 a0 00 00:38:41.515 IDENTIFY DEVICE ef 03 45 00 00 00 a0 00 00:38:41.515 SET FEATURES [Set transfer mode] ec 00 00 7b 86 b1 a0 00 00:38:41.513 IDENTIFY DEVICE c8 00 06 77 86 b1 ea 00 00:38:38.706 READ DMA SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Short offline Completed without error 00% 15131 - # 2 Short offline Completed without error 00% 15131 - SMART Selective self-test log data structure revision number 1 SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS 1 0 0 Not_testing 2 0 0 Not_testing 3 0 0 Not_testing 4 0 0 Not_testing 5 0 0 Not_testing Selective self-test flags (0x0): After scanning selected spans, do NOT read-scan remainder of disk. If Selective self-test is pending on power-up, resume after 0 minute delay.

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  • CentOS 5.5 APIC issue on ESX 4.1 & ML115

    - by Adnan
    Hi, I've just installed vSphere 4.1 on an HP ProLiant ML115 G5 Quad-core and am trying to install CentOS 5.5 as a guest system. However, when the guest boots up I get a calibrate_APIC_clock warning and a kernel panic message. I've come across this knowledge base article on the vmware website which suggests moving the guest onto another Intel based host (!). Funnily enough I don't have a collection of spare host servers sitting around, so can anyone suggest another solution? Alternatively, would installing an earlier version of CentOS get around this issue, or would a yum update put me back to square one? How about BIOS settings, could anything be tweaked there? Thanks.

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  • mysqladmin - Unknown MySQL server host

    - by ert
    I'm trying to connect to a mysql server over a local network. The server is running and listening to post 41322. dylan~$ netstat -ln | s mysql unix 2 [ ACC ] STREAM LISTENING 41322 /var/run/mysqld/mysqld.sock My user is granted all rights from all addresses, and I can log in locally. dylan~$ mysqladmin -P 41322 -h [email protected] create database test mysqladmin: connect to server at '[email protected]' failed error: 'Unknown MySQL server host '[email protected]' (1)' Check that mysqld is running on [email protected] and that the port is 41322. You can check this by doing 'telnet [email protected] 41322' Adding a --verbose flag gives no additional output. I've commented out bind-address=127.0.0.1 in /etc/mysql/my.cnf on the server. I can ssh into the server without a problem. dylan~$ ps a | grep mysql 11131 pts/3 S 0:00 /bin/sh /usr/bin/mysqld_safe 11170 pts/3 Sl 0:03 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-external-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock 11171 pts/3 S 0:00 logger -p daemon.err -t mysqld_safe -i -t mysqld 13710 pts/1 S+ 0:00 grep mysq Any help or thoughts are appreciated.

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  • How to I set up nfs using the Drobo Unfsd app?

    - by Jan Aagaard
    How do I set up my nfs on my Drobo FS so that I can connect to it from my Mac using the NFS protocol? I have downloaded and installed Unfsd program from the DroboApps page. My exports file looks like this: /mnt/DroboFS/Shares 192.168.1.0/255.255.255.0(rw,no_root_squash) I try to connect to the share by hitting Ctrl+K in Finder and the using nfs://drobo-fs.local/Shares as server address. But when I click Connect all that happens is that the Connect to Server window flashes shortly, and well, that's all. I have tried removing the /Shares part, using /Public and casing drobo-fs.local as Drobo-FS.local, but it's all with the same result. I have also tried using /mnt/DroboFS/Shares *(rw,no_root_squash) in the exports file. I restart the service using the command ./service.sh restart.

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  • core temperature vs CPU temperature

    - by Karl Nicoll
    I have recently installed a new heat sink & fan combination on my Core 2 Quad since my CPU was hitting about 70C under load. This has managed reduce temperatures while running Prime95 to about 54C, which I'm taking as a win (this is ~30 minutes after fitting). I'm a little confused though. The temperature readings given above are for CORE temperatures, but HWMonitor is showing a 5th "CPU" temperature (4 temperatures being the individual core temps) which is showing 21C idle, when idle temperatures for the cores vary between 37C and 42C. I guess there are two questions here: Are my CPU/Core temperatures decent, and is it safe to overclock when these are stock clock temperatures? I gather that the maximum safe operating temperature for a C2Q is ~70C, so which temperature should I measure against, the core temperatures (which are higher), or the CPU temperature reading?

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  • Why isn't Synergy working for me?

    - by Anthony
    It worked for about a week then stopped working. I'm trying to make it work between a Windows 7 laptop and a Windows XP laptop. My router is a Linksys E1000. I tried uninstalling and reinstalling the program multiple times. I've tried port forwarding. I've tried making exceptions in the firewall. I've tried disabling the firewalls. It might be relevant also that Input Director doesn't work either. What am I doing wrong?

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  • Natively open .doc or .odt file in LaTex

    - by MaQleod
    I have looked at ways to convert word or open office text files to LaTex format, and those have been addressed on SU here and here. These will work, but I'd rather have a native single-step solution. Does anyone know of any module or add-on for LaTex that will let one open .doc and/or .odt files without the use of third-party conversion tools? It would be ideal if it would allow for editing and saving in the same format. If it makes any difference, I am using LaTex Editor in Windows.

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  • NetBSD Networking

    - by Mike
    Hello, everyone! I have an old Toshiba Satellite 4015CDT, with Pentium II MMX, 32MB RAM, 4GB HDD. It also has one USB 1.0 port, parallel and serial ports, a 3.5" floppy drive and a CD-ROM drive (probably almost dead). I've installed NetBSD on this machine (full install) and now I want to connect it to the Internet. Although it has one PCMCIA modem card in it, it is obviously not an option. I've narrowed down my available options to the following: Connect a USB wireless adapter. I have a Realtek RTL8192 adapter, but although the system gives me the device's name (through dmesg) it fails to recognize it as a network adapter. Connect the laptop to another machine through a serial connection, so that the other machine will serve as a bridge to the Internet. Here is the page from the NetBSD documentation on serial connections. Unfortunately, I was not able to find anything on bridging there. I would very much appreciate your suggestions on the topic. Thanks in advance.

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  • Windows XP does not list WPA wireless networks

    - by Tomalak
    What can be the reason that Windows XP does not show WPA-encrypted wireless networks? The laptop I have problems with is an older model (Toshiba Satellite Pro 6100) with Windows XP SP3 on it, fresh install. The wireless network card in it is an Agere product that lists as "Toshiba Wireless LAN Mini PCI Card". The networks showed up perfectly before I first tried to connect to one (it was set to WPA2). The connection failed (the card supports WPA only), then something must have happend and Windows hides these networks now. A manually configured WPA setup via Windows' own wizard works, I'm using it right now. The network just won't show up in the list of available network on its own. I suspect that XP incorrectly set a flag somewhere that this network card does not support WPA. Is there such a flag, and if so, how can I change it back?

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  • WinXP: File Record Segment nnnn is unreadable?

    - by chris
    I'm pretty sure that the drive is toast, except for the fact that this error is only showing up on one partition (it's out of a Dell computer, and has a couple of Dell partitions, which boot and work fine.) I've already purchased another hard drive, and re-installed WinXP, but when I re-connect this drive and reboot, I'm getting thousands of these errors. Is there any chance of recovering any files off this? Should I prevent XP from trying to resolve the problems?

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  • How to disable text overwrite mode in Netbeans (CentOS)?

    - by Kevin Lee
    Everytime I type some text, it is overwriting what I have typed. I assume that the mode is set to overwriting, I want to insert the text not overwrite it, but I can't disable it because my insert key is mixed up with my delete key so everytime I enter insert to disable the overwrite mode, it just delete what I type. So how to disable this? I'm using centOS.. and it seems that my problem is only related to Netbeans because when I type here, it is set to insert mode.. but in Netbeans, it just overwrites the codes! help!

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  • Two questions about restoring Thunderbird from a backup

    - by Eric
    Setting up a new Windows 7 PC, I'm puzzled by two things in Thunderbird 3.1.9: I restored a profile from a three-month old backup, no problem. I then copied more recent files into the Mail/ directory, but TBird still shows the old messages. The last message in Inbox is dated 3/16/2011 -- how do I get TBird to display all the messages in the Local Folders/Inbox view? A large number of the existing messages are now displayed in separate tabs -- I can't tell you how many, but there could be over 1000. Which file governs this? Or can I hire someone from Mechanical Turk to come over and manually close each tab?

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  • Load website and fill form from the command line

    - by Martin Scharrer
    Using the Linux command line (Bash shell) I like to load a specific website in my browser (normally Firefox, but other one would be ok as well as long it runs under Linux) and fill a pre-defined form with some data. Actually, this should run from a Makefile. Most of the form data is static and will be stored as variables in the Makefile, just some fields are to be filled manually before manually sending the form. I know how to load the website in question from the command line using: firefox <URL> But there seems no possibility to fill the form automatically with variables given on the command line. Is there a plugin, executable or JavaScript which allows me to do this? Any suggestions and hints are welcome. I don't mind coding some JavaScript.

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  • New hard drive for backup? [closed]

    - by glaeven
    I have come to realize that I need another external drive to use with my MacBook Pro. I currently have a 1TB WD MyBook Essential that I have been using for about a year and a half. I have it currently partitioned into two drives, one for backup (I named it Leonov) and one for movies, TV shows and other large files I don't need very often (I call that side Discovery One). I use Time Machine for backups since it is completely automated and I can restore from it without much trouble (I have had to at least three times now). As of now, Leonov is full enough that every backup deletes an old one and Discovery One is approaching it's limits. I would like to get a new drive and move one of the sides to it. What are some reliable, external (~1TB) drives for under or around $100? Would it be easier to move the movies (et al.) or the backups to the new drive? I also feel like I should say that all of my important documents (for school and the like, just not my music) are also synced to Dropbox as another form of backup and access.

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  • Why isn't SSL/TLS built into modern Operating Systems?

    - by Channel72
    A lot of the basic network protocols that make up the infrastructure of the Internet are built in to most major Operating Systems. Things like TCP, UDP, and DNS are all built into Linux, UNIX and Windows, and are made available to the programmer through low-level system APIs. But when it comes to SSL or TLS, one has to turn to a third-party library such as OpenSSL or Mozilla NSS. SSL is a relatively old protocol, and it's basically an industry standard as ubiquitous as TCP/IP, so why isn't it built into most Operating Systems?

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  • Are there real world applications where the use of prefix versus postfix operators matters?

    - by Kenneth
    In college it is taught how you can do math problems which use the ++ or -- operators on some variable referenced in the equation such that the result of the equation would yield different results if you switched the operator from postfix to prefix or vice versa. Are there any real world applications of using postfix or prefix operator where it makes a difference as to which you use? It doesn't seem to me (maybe I just don't have enough experience yet in programming) that there really is much use to having the different operators if it only applies in math equations. EDIT: Suggestions so far include: function calls //f(++x) != f(x++) loop comparison //while (++i < MAX) != while (i++ < MAX)

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