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Preventing Shutdown on Active NFS Servers?

Ed Almos asks: "Like many Slashdot Readers, I run a small network at home with a server and a number of desktops. The server holds all our files as NFS shares and doubles as a desktop machine should the need arise. Problems however occur if the server is shut down whilst there are NFS shares in use, the minimum disruption is a crashed desktop and a couple of times I have had to deal with corrupted files. Does anyone know of a way to prevent shutdown of a machine if someone else has drives mounted to its NFS shares ? I have already explored use of the /etc/shutdown.allow file but all this does is determine who can kill the machine. The minimal solution would be something similar to a Microsoft Windows system, where a request to shutdown brings up a warning window that there are users connected to the system, but I am not sure how to achieve this on a Linux system. Ideally I would like to prevent shutdown of a system with active NFS shares altogether, or at least until the user has unmounted and logged off the network."

3 of 66 comments (clear)

  1. WARNING tsarkon reports SLASHDOT TRACKS AC-IP-USER by Anonymous Coward · · Score: -1, Offtopic
    WARNING, SLASHDOT NOW TIES AC COMMENTS WITH USER

    When you are logged in, /. ties your user account to any Anonymous Coward postings you make... Thus they know who posted it. To demonstrate this:

    1. Get mod points.
    2. Post an AC comment while logged in
    3. Change your dynamic ip, clear all cookies
    4. Log back in and try to moderate your AC comment... you can't!!!

    Please *log out* AND use another browser before making your AC comments.
    Your UID is being tracked, it's not Anonymous. Lots of people post lots of things to Slashdot as AC only because they believe it is really anonymous - it isn't. They hunt "trolls" (non-karma whores and non-group thinking bots) down.

    This is true. I used to be a bit more freestyle and witty AC and be a nice guy logged in [basically a karma whore]. After a short while, I could no longer moderate. Slashdot does brand AC posts with IP and then map them back to users. They lie about AC, AC doesn't exist if you re-use ip addresses.

    Big brother is watching. So while I might be a "troll" a lot of the AC things I said were to protect myself from Slash-bot groupthink. They punished me for voicing my opinion freestyle.

    They also revoke moderation FOREVER - $rtbl it is called, for any moderations of any post that have been secretly flagged annoying [Slashcode has hidden flags viewable by editors]. If you *EVER* mod up something an editor secretly marked annoying you NEVER moderate again, ever - ever even if your karma is capped.

    So AC is a scam here. Hitler-Malda fucks AC posts in the ass. So now all you can do is go 100% AC, or , as they expect you to, KARMA WHORE. And it is so lame and unfair and probably illegal as they lie about anonyminity.

    Protect yourself. Try and use proxies or a super good second browser with proxies that you never log into such as Opera (which makes it very easy to delete all private data). Thank you.

  2. another example of totalitarian moderation by Anonymous Coward · · Score: -1, Offtopic
    This is just another example of spineless crap moderation here on /.

    Mao Tse Tung, Hitler, Stalin, Castro, Pinochet, Mussolini, Marshall Joseph Tito, Slobodan Milosevic, Idi Amin, Ho Chi Minh, Saddam Hussein, Muammar Qaddafi, Juan Peron, Ayatollah Khomeini, Ferdinand Marcos, General Suharto, Pol Pot, Fransisco Franco, and certainly the worst of the bunch, SLASHDOT's editing/moderating [read: censoring] "community"(*) ALL AGREE on ONE THING:

    CENSORSHIP WORKS!

    (*)Note, the word community used often on Slashdot, this is referring to a proto communist commune.

    So, you busy little plebian proletariats, get busy, you have some censoring to do! FUN! Do the bidding of your fat, undisciplined masters who never subject themselves to peer review!

    Good job you little neo-commies. Don't want to hear the other side, shoot the fucker in the head as an ENEMY OF THE STATE [In this case anyone who seeks to improve the sad state of/.].

    A few haikus to commemorate the sucktitude:
    Crack Pipe Moderators
    Crack smoke wafts though air
    Dumb shit moderator!
    Try to suck less, please

    The Humorless Moderator
    Crack smoke wafts through air
    Humorless moderator!
    Why do you hate me?

    The Proletariat
    Slashdotting Commie
    Moderator fears new idea!
    Censor him quickly

    The reason China blocked Slashdot is that when Jiang Xemin saw at how good "The Editors" at Slashdot are at suppressing the community, he knew that if more of his party members saw this degree of suppressive efficacy, he would be deposed, for the good of the people, of course, in favor of Rob Malda as the all new supreme dictator and premier of China.

    It has been said that democracy is the worst form of government except all the others that have been tried. - Sir Winston Churchill (Especially when your democratic peers twist democracy into a reason commit censorship, to squash dissenting or unpopular opinions, and refer to them as trolls, flaimbait overrated or offtopic when they aren't any of the said)

    Reading Slashdot at anything above -1 is like trying to put a shit filter on your ass.

    Get busy moderating this down, you little pack of obedient prefects of the corrupt state! You are the vanguards of purity, and dissent is not allowed!

    HAIKUS
    MODERATORS Crack smoke wafts though air - Dumb shit moderator - Try to suck less, please
    KAZAA Fuck R I A A - Network sold behind their backs - Stupid fucking cunts
    Haiku: to the Slashfags. Fuck slash editors - The cumlicking fags they are - I shit upon them
    TACO pondering GOATSE: I stare at the goat - His huge gaping ass so wide - And I want to eat
    Haiku: The ancient haiku: - Flame Taco and CowboyNeal - With lame poetry.
    CowboyNeal A mountain of fat, - butt cheeks jiggling like Jello. - What an odd poll choice!
    CmdrTaco Watching Pokemon - With cum stuck on his goatee. - Newbie loser scum.
    Stinky Kathleen Fent Cockeater Taco, - Proposing to Fent online, - I fingered her too.
    Rob Malda and Kathleen FentChubby breasts, fat ass - Distract us from Rob's boylust. - But they both suck cock!
    Taco Tuesday: Too much mexican. - Angry poo, firey hot. - Where's my antacid?
    CHOAD licking Taco: Malda in the dark - Swallowing choad for profit - He rips his anus
    Fuck KATZ Katz is a Jew - michael is a Mormon - Or is it Timothy?
    Martini Fuck off That is fucking good. - I nearly spilt martini - On my nice trousers.
    Slap my Ham, rub it off, fuck Spank fast wank it hard - Jerk that dick to Pokemon - Party at Taco's
    GOAT I just came again - looking at the goat-see man - more kleenex required
    Cock BIRD The Dead Penis Bird - Nailed to the member always - Never falling off
    BSD

  3. Re:WARNING tsarkon reports SLASHDOT TRACKS AC-IP-U by Anonymous Coward · · Score: -1, Offtopic

    I just verified this posts claims. I am now posting as an AC with "delete private data" in mind in Opera. I would recommend using dialup and opera to browse Slashdot if you want TRUE anonymous posting.

    I have also been $rtbl'ed.