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Rescuing Data From a Hard Drive
by Michael Zarozinski Feb. 2, 2006

Feb. 2, 2006

Hi All, I've got a bit of a problem... we have a linux server that contained 2 hard drives. The one with the boot information died - LUCKILY the data we NEED was on the hard drive that lived. My question is... how can I recover the data I need? I've been able to boot to the shell using the install disk and can see the data I need but that shell doesn't provide access to the network card so I can copy the data off. I tried a fresh install on a new HD but when I attatch the 2nd HD (with the data I need) I can't see it. Forgive me, I come from the windows world where just plugging in the old HD would allow me to pull the data off. Any ideas/help/etc is greatly appreciated! Michael Z

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RE: [Wlug] Rescuing Data From a Hard Drive
by Hemstreet, Jeffrey L (Jeffrey) Feb. 1, 2006

Feb. 1, 2006

When you put the 2nd HDD in the system that you built, did you 'mount' the old drive. The system will not automatically mount the old drive when you install it. Putting it into a working system to access the data is the best way. Yes, windows will automatically mount a new drive if it sees a valid formatted partition, but Linux generally does not. jeff -----Original Message----- From: wlug-bounces(a)mail.wlug.org [mailto:wlug-bounces@mail.wlug.org] On Behalf Of Michael Zarozinski Sent: Wednesday, February 01, 2006 2:32 PM To: wlug(a)mail.wlug.org Subject: [Wlug] Rescuing Data From a Hard Drive Hi All, I've got a bit of a problem... we have a linux server that contained 2 hard drives. The one with the boot information died - LUCKILY the data we NEED was on the hard drive that lived. My question is... how can I recover the data I need? I've been able to boot to the shell using the install disk and can see the data I need but that shell doesn't provide access to the network card so I can copy the data off. I tried a fresh install on a new HD but when I attatch the 2nd HD (with the data I need) I can't see it. Forgive me, I come from the windows world where just plugging in the old HD would allow me to pull the data off. Any ideas/help/etc is greatly appreciated! Michael Z _______________________________________________ Wlug mailing list Wlug(a)mail.wlug.org http://mail.wlug.org/mailman/listinfo/wlug

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meeting topic
by Mike Leo Feb. 1, 2006

Feb. 1, 2006

Am I wrong, or is the gentoo install insanely comlicated? Although I did not sit in front of it from start to finish, it seems like an install takes hours and hours of work... I followed the Handbook (some 80 pages of documentation), which i'm sure is very accurate and each step worked as advertised, but in the end it was too much. After an install of debian, which takes me less than 20 minutes, this was too much for my poor little brain to take, and I eventually gave up. In addition to that, I can't for the life of me, get slackware to consistantly install lilo correctly during the install. Any comments on either of these would be apreciated, however, I am just writing this to toss my vote in for a linux install fest as a meeting topic. I have no problem bringing in a laptop to show the simple, eligant, streamlined, 20 minute debian install, but I would like to also see someone go through a gentoo install, and assist on a slackware lilo config...all of which can be done via my laptop if needed. Thanks ! Mike

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Re: [Wlug] getting that cpu to sleep ...
by Jamie Guinan Jan. 30, 2006

Jan. 30, 2006

Hi, I just joined the list and was looking through some of the archives. > I have a question for those linux programmers out there. i'm writing > a program on linux (kubuntu to be specific) that requires > high-precision timing, somewhere on the order of 100 to 1000 micro > seconds. <snip> > The problem with this approach is that the process uses 99% of the > CPU since it just spins the CPU until enough time has expired. You can get up to 1/8192Hz (122us) periodic interrupts with the x86 RTC timer. You might have to do a little setup, like, # modprobe rtc # echo 8192 > /proc/sys/dev/rtc/max-user-freq [ fiddle permissions on /dev/misc/rtc or /dev/rtc unless you are running your app as root ] See Documentation/rtc.txt in the kernel source for programming details. Basically the kernel is free to idle or run other things until the RTC interrupt hits, then it wakes up your app doing read() or poll() on /dev/rtc. I used this to pulse a hardware register in a project I did a few years ago, worked good enough for my purposes. You might lose an RTC interrupt here and there if your system is under heavy load (call it "soft realtime"), but I think the interface tells you if and how many you lost. There's also the more advanced HPET timer available for newer x86 systems, but I haven't looked at that yet. Good luck, -Jamie Guinan

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JOB: Seeking Unix SysAdmin
by Andy Stewart Jan. 25, 2006

Jan. 25, 2006

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Everybody, If you are interested in the following job opportunity, please reply directly to bburns(a)m-Qube.com (Barbara Burns). =====start===== m-Qube, located in Boston, is the premiere mobile messaging management technology company in America and we operate a high-volume wireless messaging ASP. We are currently conducting a search for an experienced Systems Administrator who will be responsible for keeping this Linux/Java/J2EE-based server environment monitored and operational on a 24X7 basis. Responsibilities * Server Administration and Management 1. Configuration, administration and tuning of a high-performance Linux computing environment including new server deployment and setup 2. Develop and maintain scripts for monitoring and automation of periodic jobs 3. Provide problem isolation and resolution using software and diagnostics and/or crash/dump analysis 4. Administration of archive and backup systems 5. Perform ongoing capacity planning activities based on company growth 6. Serve as a system admin knowledge resource for persons throughout the organization 7. Available 24x7 for system emergencies * SAN Storage Administration 1. Maintain existing SAN storage infrastructure 2. Add and reconfigure storage to meet demands of the business 3. Use SAN technology to create backups for disaster recovery * Network Administration 1. Manage network devices including switches, routers and load balancers 2. Resolve issues with network 3. Review logs and run periodic health checks on infrastructure Qualifications: You must have extensive hands-on experience in a high-availability Linux environment with Apache, JBOSS, load balancing and SSL configurations. Your added assets will be an understanding of application programming in Java/JSP, Perl/Javascript or XML interfaces. You have some experience maintaining Cisco network equipment. Candidate must have strong work ethic and possess the ability to perform under time constraints in a dynamic environment. Managing multiple priorities while completing them simultaneously is a basic requirement.The individual must possess excellent skills in troubleshooting complex network environments and devices on his/her own. Experience: Qualified candidates should posses experience in the following: Enterprise-class Linux environments with 5 years of experience Experience with Linux server technologies including NFS, NIS, LDAP, kickstart, etc. Familiarity with engineering tools such as CVS and Bugzilla Proficient in scripting including PERL, Shell, Awk or Sed Extensive operations experience including o Experience analyzing and resolving problems associated with server hardware, server operating system and applications software o Capacity to perform a wide variety of tasks in software/hardware maintenance and operational support of server systems o Strong knowledge and experience with backup policies and emergency recovery procedures Some experience working with the following is preferred: Routing protocol and router administration Maintenance of Java, XML and SQL web applications Education: BS degree in Information Systems or related area desired Please respond directly to Barbara Burns at bburns(a)m-qube.com 617.673.2474 =====end===== - -- Andy Stewart, Founder Worcester Linux Users' Group Worcester, MA, USA http://www.wlug.org -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFD1wKJHl0iXDssISsRApOuAJ4kiKrElcrpiUpcBzlkb03eJxRS/QCfcvE4 i/EIPwzBA5NOL60i3UnW8dQ= =XuEN -----END PGP SIGNATURE-----

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SSH Tunneling?
by Michael Zarozinski Jan. 24, 2006

Jan. 24, 2006

Hi all, I'm in the process of moving a web site, msql db, and some game daemons to a new server. While the DNS transfer is in process we want all traffic to go to the new server. I've been told this can be done vial ssh tunnels but don't have any experience.... can anyone point me in the right direction? Do I need to set up a tunnel for every port on the old server (the games open ports)? How is it set up to run all the time? Do I need to mess with sshd_config? Any and all help is appreciated! Thanx! Michael Z

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Rough upgrade to FC4
by Bill Mills-Curran Jan. 23, 2006

Jan. 23, 2006

I just upgraded to FC4 from FC3 and I had some troubles that should not have happened. My FC3 system was current with updates, and I used downloaded ISO's from fedora. The problem was that many of the FC3 packages were more up to date than the FC4 packages, so the upgrade did not install them. This included the kernel. I felt lucky that I had a workable system. Running up2date did not help -- I was still in an FC3 system (kind of). I manually installed the FC4 kernel and ran up2date again, but it was stuck on many packages, because up2date only wanted to freshen existing rpm's -- it didn't want to add any new ones to solve dependencies. After much arm-wrestling (floundering?), I gave up on the GUI up2date and ran with the command line, feeding it chunks of rpms that needed updating. I feel lucky that I didn't brick my system. What did I do wrong? This must be a common occurance. I have another system that I need to upgrade, but I don't want it to go like this. What's a better way? Thanks, Bill

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Re: Rough upgrade to FC4
by Joshua D. Abraham Jan. 23, 2006

Jan. 23, 2006

On Sun, Jan 22, 2006 at 10:24:43PM -0500, nmeyers(a)javalinux.net wrote: > On Sun, Jan 22, 2006 at 10:13:27PM -0500, Bill Mills-Curran wrote: > > I just upgraded to FC4 from FC3 and I had some troubles that should > > not have happened. My FC3 system was current with updates, and I used > > downloaded ISO's from fedora. The problem was that many of the FC3 > > packages were more up to date than the FC4 packages, so the upgrade > > did not install them. This included the kernel. I felt lucky that I > > had a workable system. > > Sorry to hear things haven't gotten any better since my days as > an RH user (pre-RH9). I never experienced a smooth upgrade; sometimes > had to just rebuild the system. > Agreed. I have been using Redhat since 6.2. I had partitions setup the following way /boot / swap /home /usr/local/ This way I can keep the users data and just install a new system over it. I think that Debian's method of package management is the best of any of the Linux Distro's. I a year ago I switched from FC3 to Ubuntu because Ubuntu has a 6 month release cycle, similar to FC and Ubuntu pays individuals to fix security vulnerabilities. --Josh > I drifted from RH to Mandrake (pre-Mandriva) and then to Gentoo. > Though not without the occasional bump, I've found Gentoo's approach to > package management the least violent of them all. > > Nathan > > > > > Running up2date did not help -- I was still in an FC3 system (kind of). > > > > I manually installed the FC4 kernel and ran up2date again, but it was > > stuck on many packages, because up2date only wanted to freshen > > existing rpm's -- it didn't want to add any new ones to solve > > dependencies. > > > > After much arm-wrestling (floundering?), I gave up on the GUI up2date > > and ran with the command line, feeding it chunks of rpms that needed > > updating. > > > > I feel lucky that I didn't brick my system. What did I do wrong? > > This must be a common occurance. I have another system that I need to > > upgrade, but I don't want it to go like this. What's a better way? > > > > Thanks, > > Bill > > _______________________________________________ > > Discuss mailing list > > Discuss(a)blu.org > > http://olduvai.blu.org/mailman/listinfo/discuss > > > _______________________________________________ > Discuss mailing list > Discuss(a)blu.org > http://olduvai.blu.org/mailman/listinfo/discuss

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Subject: Re: [Wlug] Trial By Fire
by Tom Misilo Jan. 22, 2006

Jan. 22, 2006

for all mozilla packages visit their project dir heres a link for thunderbird http://suse.cs.utah.edu/projects/mozilla/thunderbird/1.5/ for all the mozilla stuff http://suse.cs.utah.edu/projects/mozilla/ Tom > On 1/21/06, Marie MacDonald <mimsresearch(a)gmail.com> wrote: > > Do downloadable software packages for Linux come with intallers? > > It depends. Many do but some require a few more steps. If you stick > with installing SW via yast, you'll have the easiest time. > > > Can anyone help with advice for YaSt? Is my issue with the Thunderbird > > 1.5 package perhaps? > > Perhaps the recent Novell distro is different, but I've never seen > Thunderbird in the Yast repository (I'm still using SuSE 9.3). > Anytime I want Firefox or Thunderbird, I go direct to > http://www.mozilla.com and download it there. What you download there > has an installer built in. > > > Quite frankly if it's this hard (frustrating!) to install software, I'm > > not gonna be a happy gal. I still have other things I want to add to > > this snappy little computer (i.e. my Palm) but darn there's gotta be an > > easier way. Spring semester starts 26 January and I need this up and > > running. > > You sound determined and that's probably the most important trait for > someone trying to stick with Linux. Stick with YaST as much as > possible and post here for other specific questions--we'll get you > through. > > BR

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Perl Unicode question
by Skip Gaede Jan. 22, 2006

Jan. 22, 2006

Folks, I'm trying to understand how Unicode works in Perl 5.8.7, and things are not working the way they're described in perluniintro. In particular, I have a file encoded in UTF-8 from Perl, that I want to convert to Windows Unicode (UCS-16LE). The intro provides this snippet for converting from one character set to another: open(my $nihongo, '<:encoding(iso2022-jp)', 'text.jis'); open(my $unicode, '>:utf8', 'text.utf8'); while (<$nihongo>) { print $unicode } When I try that, substituting UTF-8 and ':encoding(UTF-16LE)', I get no warnings, but the output has twice as many characters as it should have and they are all NULLs. I can supply a my UTF-8 file if anyone wants to have a try. In particular, I think the fact that I have embedded apostrophes (0x27) encoded as RIGHT SINGLE QUOTATION MARK (0x2019) may be part of the problem. Thanks, Skip

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