{"id":307,"date":"2010-02-27T15:09:08","date_gmt":"2010-02-27T15:09:08","guid":{"rendered":""},"modified":"2013-02-07T12:12:19","modified_gmt":"2013-02-07T04:12:19","slug":"%e7%ae%a1%e7%90%86linux%e7%9a%84%e5%90%8e%e5%8f%b0%e8%bf%90%e8%a1%8c%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/ybzx.vip\/wp\/?p=307","title":{"rendered":"\u7ba1\u7406linux\u7684\u540e\u53f0\u8fd0\u884c\u7a0b\u5e8f"},"content":{"rendered":"<p>\u600e\u4e48\u5728\u9000\u51faSSH\u540e\uff0c\u8ba9\u5f53\u524d\u7a0b\u5e8f\u7ee7\u7eed\u6267\u884c\u5462\uff1f\u65b9\u6cd5\u6709\u4e09\u4e2a\uff1anohup, setsid, ctrl-z + bg + disown\u3002<!--more--><\/p>\n<p>\u5728\u6211\u4eec\u901a\u8fc7SSH\u767b\u9646\u670d\u52a1\u5668\u540e\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u6240\u505a\u7684\u64cd\u4f5c\u6216\u8005\u547d\u4ee4\u7684\u8f93\u5165\u90fd\u662f\u5c5esshd\u4e0b\u7684shell\u7684\u5b50\u8fdb\u7a0b\uff0c\u4f8b\u5982\u6253\u5f00\u4e2aSSH\u7ec8\u7aef\uff0c\u8f93\u5165ping www.esojourn.org >>output.txt &#038;\uff0c\u7136\u540e\u67e5\u770b\u8fdb\u7a0b\u60c5\u51b5\uff1a<br \/>$ ps -ef&#124;grep ping<br \/>sszheng 27491 27467 0 10:20 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng 27535 27467 0 11:40 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 grep ping<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;\u5f88\u663e\u7136\u5b83\u662fshell\u7684\u5b50\u8fdb\u7a0b\uff0c\u547d\u4ee4\u7531\u4e00\u4e2a\u5b50shell\u5728\u540e\u53f0\u6267\u884c\uff0c\u5f53\u524dshell\uff08 27467\uff09\u7acb\u5373\u53d6\u5f97\u63a7\u5236\u7b49\u5019\u7528\u6237\u8f93\u5165\uff0c\u6240\u4ee5\u6211\u7684grep\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\u3002\u540e\u53f0\u547d\u4ee4\u548c\u5f53\u524dshell\u7684\u6267\u884c\u662f\u5e76\u884c\u7684\uff0c\u4ed6\u4eec\u6ca1\u6709\u4e92\u76f8\u7684\u4f9d\u8d56\u3001\u7b49\u5f85\u5173\u7cfb\uff0c\u6240\u4ee5\u662f\u5f02\u6b65\u7684\u5e76\u884c\u3002 \u73b0\u5728\u95ee\u9898\u6765\u4e86\uff0c\u5982\u679cssh\u9000\u51fa\u4e86\uff0cbash\u7ed3\u675f\u4e86\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5de5\u4f5c\u8fc7\u7a0b\u5982\u4f55\u5462\uff1f\u540e\u53f0\u6267\u884c\u7684\u80fd\u5426\u7ee7\u7eed\u4e0b\u53bb\uff1f<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;\u8fd9\u91cc\u6d89\u53ca\u5230\u4e24\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u9000\u51fassh\u540e\uff0c\u5728\u6211\u4eecexit\u6267\u884c\u7684shell\u65f6\u5019\uff0c\u4f1a\u4e0d\u4f1a\u5411\u6211\u4eec\u540e\u53f0\u7684jobs\u53d1\u9001SIGHUP\u4fe1\u53f7\u5462\uff1f<br \/>\u5982\u679c\u53d1\u9001\u4e86 SIGHUP\u4fe1\u53f7\uff0c\u90a3\u4e48\u6240\u6709\u8be5shell\u4e0b\u8fd0\u884c\u7684\u8fdb\u7a0b\u90fd\u4f1a\u88ab\u7ec8\u6b62\uff0c\u4e5f\u5c31\u662f\u6240\u5e0c\u671b\u7684\u540e\u53f0\u6267\u884c\u6ca1\u6709\u5b9e\u73b0\u3002\u5728shell\u7684options\u4e2d\uff0c\u6709 huponexit\u8fd9\u4e2a\u9009\u9879\uff0c\u610f\u601d\u5c31\u662f\u9000\u51fashell\u65f6\u5019\uff0c\u662f\u5426\u53d1\u9001\u8fd9\u4e2aSIGHUP \u4fe1\u53f7\uff1f<br \/>$ shopt<br \/>cdable_vars&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>cdspell&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>checkhash&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>checkwinsize&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>cmdhist&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; on<br \/>dotglob&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>execfail&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>expand_aliases on<br \/>extdebug&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>extglob&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>extquote&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>failglob&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>force_fignore&nbsp;&nbsp; on<br \/>gnu_errfmt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>histappend&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>histreedit&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>histverify&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>hostcomplete&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>huponexit&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>interactive_comments&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>lithist&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>login_shell&nbsp;&nbsp;&nbsp;&nbsp; on<br \/>mailwarn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>no_empty_cmd_completion off<br \/>nocaseglob&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>nocasematch&nbsp;&nbsp;&nbsp;&nbsp; off<br \/>nullglob&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>progcomp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>promptvars&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>restricted_shell&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>shift_verbose&nbsp;&nbsp; off<br \/>sourcepath&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on<br \/>xpg_echo&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off<br \/>&nbsp;&nbsp;&nbsp;&nbsp;\u4e0a\u9762\u7684\u9ed8\u8ba4\u9009\u9879\u4e2d\uff0chuponexit&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; off\uff0c\u8fd9\u4e2a\u60c5\u51b5\u65f6\u5019\uff0c\u5f53\u4f60\u9000\u51fashell\u65f6\u5019\uff0c\u540e\u53f0\u7684\u7a0b\u5e8f\u8fd8\u4f1a\u7ee7\u7eed\u8fd0\u884c\uff0c\u4f46\u662f\u8fd9\u4e2a\u662f\u5168\u5c40\u9009\u9879\uff0c\u6709\u65f6\u5019\u6211\u4eec\u5f80\u5f80\u5e0c\u671b\u9000\u51fashell\u540e\uff0cshell\u53d1\u8d77\u7684\u8fdb\u7a0b\u76f8\u5e94\u7ed3\u675f\u4e86\uff0c\u800c\u4e0d\u662f\u4e00\u76f4\u8fd0\u884c\uff0c\u56e0\u4e3a\u6709\u65f6\u5019\u4f60\u53ef\u80fd\u5f00\u4e86\u5f88\u591a\u5b50\u8fdb\u7a0b\uff0c\u6ca1\u6709\u65f6\u95f4\u53bb\u4e00\u4e00\u5173\u95ed\u5427\uff1f\uff1f\u5f80\u5f80\u8fd9\u4e2a\u9009\u9879\u662f\u5efa\u8bae\u6253\u5f00\u7684\u3002<\/p>\n<p>huponexit\u6253\u5f00\u540e\uff0c\u6240\u4ee5\u540e\u53f0\u8fdb\u884c\u7684jobs\uff0c\u5728shell\u9000\u51fa\u540e\u5c31\u4f1a\u76f8\u5e94\u9000\u51fa\u4e86\uff0c\u4f46\u662f\u9488\u5bf9\u6211\u4eec\u7279\u5b9a\u7684\u4efb\u52a1\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u5b83\u8fdb\u884c\u5355\u72ec\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6709\u4e0b\u9762\u96c6\u4e2d\u65b9\u6cd5\u3002<br \/>1\u3001nohup<br \/>nohup\u7684\u7528\u9014\u5c31\u662f\u8ba9\u63d0\u4ea4\u7684\u547d\u4ee4\u5ffd\u7565 hangup \u4fe1\u53f7\uff0c\u4f7f\u7528\u65b9\u6cd5\uff1a<br \/>$nohup ping www.esojourn.org &#038;<br \/>\u5982\u679c\u6ca1\u6709\u91cd\u5b9a\u5411\u8f93\u5165\u548c\u8f93\u51fa\u7684\u8bdd\uff0c\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u7f3a\u7701\u4f1a\u88ab\u91cd\u5b9a\u5411\u5230 nohup.out \u6587\u4ef6\u4e2d\u3002\u4e00\u822c\u50cf\u793a\u4f8b\u4e00\u6837\uff0c\u52a0\u4e0a&#8221;&#038;&#8221; \u6765\u5c06\u547d\u4ee4\u540c\u65f6\u653e\u5165\u540e\u53f0\u8fd0\u884c\uff0c\u4e5f\u53ef\u7528&#8221;>filename 2>&#038;1&#8243; \u6765\u66f4\u6539\u7f3a\u7701\u7684\u91cd\u5b9a\u5411\u6587\u4ef6\u540d\u3002\u9000\u51fashell\u540e\uff0cping\u4f1a\u7ee7\u7eed\u8fd0\u884c\uff0c\u76f4\u5230\u547d\u4ee4\u6267\u884c\u7ed3\u675f\u3002<br \/>$ ps -ef &#124;grep ping&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br \/>sszheng&nbsp;&nbsp; 5377 5311 0 16:51 pts\/1&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5379 5311 0 16:51 pts\/1&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 grep ping<br \/>\u9000\u51fashell\u540e\uff0c\u91cd\u65b0\u767b\u9646\u67e5\u770b\uff0cping\u8fdb\u7a0b\u4f9d\u7136\u5728\u6267\u884c\uff0c\u53ea\u4e0d\u8fc7\u4ed6\u7684PPID\u53d8\u6210\u4e861\uff0c\u4e5f\u5c31\u662f\u88abinit\u6240\u7ba1\u7406\u7684\u5b64\u513f\u8fdb\u7a0b\u4e86\uff0c\u7a0d\u540e\u8bf4\u4e00\u4e0b\u5b64\u513f\u8fdb\u7a0b\u3002<br \/>$ ps -ef &#124;grep ping<br \/>sszheng&nbsp;&nbsp; 5377&nbsp;&nbsp;&nbsp;&nbsp; 1 0 16:51 ?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5389 5383 0 16:52 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 grep ping<\/p>\n<p>2\u3001setsid<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;nohup\u662f\u901a\u8fc7\u5ffd\u7565 HUP\u4fe1\u53f7\u6765\u4f7f\u8fdb\u7a0b\u907f\u514d\u4e2d\u9014\u88ab\u4e2d\u65ad\uff0c\u4e5f\u53ef\u4ee5\u7528\u53e6\u4e00\u79cd\u65b9\u6cd5\uff0c\u8fdb\u7a0b\u662f\u4e0d\u5c5e\u4e8e\u63a5\u53d7 HUP \u4fe1\u53f7\u7684\u7ec8\u7aef\u7684shell\u5b50\u8fdb\u7a0b\uff0c\u90a3\u4e48\u81ea\u7136\u4e5f\u5c31\u4e0d\u4f1a\u53d7\u5230 HUP \u4fe1\u53f7\u7684\u5f71\u54cd\u4e86\uff0c\u771f\u662f\u767d\u732b\u9ed1\u732b\uff0c\u6293\u5230\u8001\u9f20\u5c31\u662f\u597d\u732b\uff0c\u5475\u5475\uff0c\u5e9f\u8bdd\u591a\u4e86\u3002<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;shell\u63d0\u4f9b\u4e86setsid\u8fd9\u4e2a\u65b9\u6cd5\uff0c<\/p>\n<p>$setsid ping www.esojourn.org &#038; >>163.txt<\/p>\n<p>$ ps -ef &#124;grep ping<\/p>\n<p>sszheng&nbsp;&nbsp; 5377&nbsp;&nbsp;&nbsp;&nbsp; 1 0 16:51 ?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5395&nbsp;&nbsp;&nbsp;&nbsp; 1 0 16:56 ?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5397 5383 0 16:57 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 grep ping<\/p>\n<p>\u5927\u5bb6\u5e94\u8be5\u6ce8\u610f\u5230\uff0c\u4e0a\u4e00\u4e2a\u793a\u4f8b\u4e2d\uff0cping\u7684\u7236\u8fdb\u7a0b\u662f5311\uff0c\u5f53\u5b83\u7684\u7236\u8fdb\u7a0b\u9000\u51fa\u540e\uff0c\u5b83\u624d\u88abinit\uff08PID=1\uff09\u6536\u517b\uff0c\u800csetsid\u76f4\u63a5\u628aping(pid=5395)\u7ed9init\u4e86\uff0c\u90a3\u4e48\u5c31\u65e0\u6240\u8c13\u7684shell\u9000\u51fa\u5f71\u54cd\u4e86\u3002<\/p>\n<p>3\u3001(&#038;)<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;\u518d\u63d0\u4e00\u4e0b\u5173\u4e8esubshell\u7684\u4f7f\u7528\uff0c\u6211\u4eec\u77e5\u9053\uff0c\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u547d\u540d\u5305\u542b\u5728\u201c()\u201d\u4e2d\u5c31\u80fd\u8ba9\u8fd9\u4e9b\u547d\u4ee4\u5728\u5b50 shell \u4e2d\u8fd0\u884c\u4e2d\uff0c\u5f53\u6211\u4eec\u5c06&#8221;&#038;&#8221;\u4e5f\u653e\u5165\u201c()\u201d\u5185\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u4f1a\u53d1\u73b0\u6240\u63d0\u4ea4\u7684\u4f5c\u4e1a\u5e76\u4e0d\u5728\u4f5c\u4e1a\u5217\u8868\u4e2d\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u662f\u65e0\u6cd5\u901a\u8fc7jobs \u6765\u67e5\u770b\u7684\u3002\u770b\u770b\u4e0b\u9762\u7684\u8fdb\u7a0bid\u5c31\u77e5\u9053\u4e86\uff1a<\/p>\n<p>$\uff08ping www.esojourn.org &#038;\uff09<\/p>\n<p>$ ps -ef &#124;grep ping<br \/>sszheng&nbsp;&nbsp; 5377&nbsp;&nbsp;&nbsp;&nbsp; 1 0 16:51 ?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5395&nbsp;&nbsp;&nbsp;&nbsp; 1 0 16:56 ?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5401&nbsp;&nbsp;&nbsp;&nbsp; 1 0 17:03 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 ping www.esojourn.org<br \/>sszheng&nbsp;&nbsp; 5403 5383 0 17:03 pts\/0&nbsp;&nbsp;&nbsp;&nbsp;00:00:00 grep ping<br \/>\u53ef\u4ee5\u770b\u5230\uff0c\u6267\u884c\u76845401\u7684\u7236\u8fdb\u7a0b\u662finit\u4e86\uff0c\u8fd9\u6837\u5b50\u4e5f\u53ef\u4ee5\u8fbe\u5230\u5ffd\u7565hup\u4fe1\u53f7\u7684\u76ee\u7684\u4e86\u3002<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;\u8bf4\u5230\u8fd9\u91cc\uff0c\u76f8\u4fe1\u5927\u5bb6\u90fd\u7565\u660e\u767d\u540e\u53f0\u6267\u884c\u7684\u65b9\u6cd5\u4e86\uff0c\u7b80\u5355\u8bf4\u4e0b\u539f\u7406\uff1abash\u8fdb\u7a0b\u7ec8\u6b62\u540e\uff0cinit \u8fdb\u7a0b\u4f1a\u63a5\u7ba1\u7236\u8fdb\u7a0b\u7559\u4e0b\u7684\u8fd9\u4e9b\u201c\u5b64\u513f\u8fdb\u7a0b\u201d\uff0c\u6240\u4ee5PPID\u662f1\u4e86\uff0c\u5b64\u513f\u8fdb\u7a0b\u4e0d\u662f\u50f5\u5c38\u8fdb\u7a0b\uff0c\u4e0b\u9762\u662f\u4ed6\u4eec\u7684\u6982\u5ff5\u548c\u533a\u522b<br \/>\u50f5\u5c38\u8fdb\u7a0b \uff1a\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5728\u5176\u7236\u8fdb\u7a0b\u8fd8\u6ca1\u6709\u8c03\u7528wait()\u6216waitpid()\u7684\u60c5\u51b5\u4e0b\u9000\u51fa\u3002\u8fd9\u4e2a\u5b50\u8fdb\u7a0b\u5c31\u662f\u50f5\u5c38\u8fdb\u7a0b\u3002<br \/>\u5b64\u513f\u8fdb\u7a0b \uff1a\u4e00\u4e2a\u7236\u8fdb\u7a0b\u9000\u51fa\uff0c\u800c\u5b83\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u5b50\u8fdb\u7a0b\u8fd8\u5728\u8fd0\u884c\uff0c\u90a3\u4e48\u90a3\u4e9b\u5b50\u8fdb\u7a0b\u5c06\u6210\u4e3a\u5b64\u513f\u8fdb\u7a0b\u3002\u5b64\u513f\u8fdb\u7a0b\u5c06\u88abinit\u8fdb\u7a0b(\u8fdb\u7a0b\u53f7\u4e3a1)\u6240\u6536\u517b\uff0c\u5e76\u7531init\u8fdb\u7a0b\u5bf9\u5b83\u4eec\u5b8c\u6210\u72b6\u6001\u6536\u96c6\u5de5\u4f5c\u3002<\/p>\n<p>\u7b80\u8981\u8bf4\u4e00\u4e0bscreen\uff0c\u5b83\u4e5f\u662f\u540e\u53f0\u6267\u884c\u7684\u4e00\u4e2a\u91cd\u8981\u5de5\u5177\uff0c\u53ea\u4e0d\u8fc7\u5b83\u7684\u529f\u80fd\u8fdc\u8fdc\u4e0d\u6b62\u540e\u53f0\u6267\u884c\u800c\u5df2\u3002<br \/>&nbsp;&nbsp;&nbsp;&nbsp;Screen\u662f\u4e00\u4e2a\u53ef\u4ee5\u5728\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u591a\u8def\u590d\u7528\u4e00\u4e2a\u7269\u7406\u7ec8\u7aef\u7684\u7a97\u53e3\u7ba1\u7406\u5668\u3002Screen\u4e2d\u6709\u4f1a\u8bdd\u7684\u6982\u5ff5\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u4e00\u4e2ascreen\u4f1a\u8bdd\u4e2d\u521b\u5efa\u591a\u4e2a screen\u7a97\u53e3\uff0c\u5728\u6bcf\u4e00\u4e2ascreen\u7a97\u53e3\u4e2d\u5c31\u50cf\u64cd\u4f5c\u4e00\u4e2a\u771f\u5b9e\u7684telnet\/SSH\u8fde\u63a5\u7a97\u53e3\u90a3\u6837\u3002\u5728screen\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a97\u53e3\u6709\u8fd9\u6837\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<p>1\uff0e\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u952e\u5165screen\u547d\u4ee4<br \/>$ screen<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;Screen\u5c06\u521b\u5efa\u4e00\u4e2a\u6267\u884cshell\u7684\u5168\u5c4f\u7a97\u53e3\u3002\u4f60\u53ef\u4ee5\u6267\u884c\u4efb\u610fshell\u7a0b\u5e8f\uff0c\u5c31\u50cf\u5728ssh\u7a97\u53e3\u4e2d\u90a3\u6837\u3002\u5728\u8be5\u7a97\u53e3\u4e2d\u952e\u5165exit\u9000\u51fa\u8be5\u7a97\u53e3\uff0c\u5982\u679c\u8fd9\u662f\u8be5screen\u4f1a\u8bdd\u7684\u552f\u4e00\u7a97\u53e3\uff0c\u8be5screen\u4f1a\u8bdd\u9000\u51fa\uff0c\u5426\u5219screen\u81ea\u52a8\u5207\u6362\u5230\u524d\u4e00\u4e2a\u7a97\u53e3\u3002<\/p>\n<p>2\uff0eScreen\u547d\u4ee4\u540e\u8ddf\u4f60\u8981\u6267\u884c\u7684\u7a0b\u5e8f\u3002<br \/>$ screen vi test.sh<\/p>\n<p>Screen\u521b\u5efa\u4e00\u4e2a\u6267\u884cvi test.sh\u7684\u5355\u7a97\u53e3\u4f1a\u8bdd\uff0c\u9000\u51favi\u5c06\u9000\u51fa\u8be5\u7a97\u53e3\/\u4f1a\u8bdd\u3002<\/p>\n<p>3\uff0e\u4ee5\u4e0a\u4e24\u79cd\u65b9\u5f0f\u90fd\u521b\u5efa\u65b0\u7684screen\u4f1a\u8bdd\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u5728\u4e00\u4e2a\u5df2\u6709screen\u4f1a\u8bdd\u4e2d\u521b\u5efa\u65b0\u7684\u7a97\u53e3\u3002\u5728\u5f53\u524dscreen\u7a97\u53e3\u4e2d\u952e\u5165C-a c \uff0c\u5373Ctrl\u952e+a\u952e\uff0c\u4e4b\u540e\u518d\u6309\u4e0bc\u952e\uff0cscreen \u5728\u8be5\u4f1a\u8bdd\u5185\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u7a97\u53e3\u5e76\u5207\u6362\u5230\u8be5\u7a97\u53e3\u3002<br \/>\u5177\u4f53\u7528\u6cd5\u5c31\u4e0d\u8bf4\u4e86\uff0c\u65e2\u7136\u4e0d\u5c5e\u4e8essh\u7ba1\u7406\uff0c\u90a3\u4f55\u6765\u63a5\u53d7\u9000\u51fa\u4fe1\u53f7\u5462\uff1f\u8bf7\u6ce8\u610f\u4f1a\u8bdd\u8fd9\u4e2a\u6982\u5ff5\u3002<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;\u6709\u5174\u8da3\u7684\u7ae5\u978b\u4eec\uff0c\u8fd8\u53ef\u4ee5\u770b\u770bdisown\u76f8\u5173\u7684\u4e1c\u4e1c\uff0c\u8fd9\u4e2a\u4e1c\u4e1c\u7684\u9700\u6c42\u662f\uff1a \u5982\u679c\u4e8b\u5148\u5728\u547d\u4ee4\u524d\u52a0\u4e0a nohup \u6216\u8005 setsid \u5c31\u53ef\u4ee5\u907f\u514d HUP \u4fe1\u53f7\u7684\u5f71\u54cd\u3002\u4f46\u662f\u5982\u679c\u6211\u4eec\u672a\u52a0\u4efb\u4f55\u5904\u7406\u5c31\u5df2\u7ecf\u63d0\u4ea4\u4e86\u547d\u4ee4\uff0c\u8be5\u5982\u4f55\u8865\u6551\u624d\u80fd\u8ba9\u5b83\u907f\u514d HUP \u4fe1\u53f7\u7684\u5f71\u54cd\u5462\uff1f<br \/>\u6211\u4eec\u53ef\u4ee5\u7528\u5982\u4e0b\u65b9\u5f0f\u6765\u8fbe\u6210\u6211\u4eec\u7684\u76ee\u7684\u3002<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;* \u7528disown -h jobspec \u6765\u4f7f\u67d0\u4e2a\u4f5c\u4e1a \u5ffd\u7565HUP\u4fe1\u53f7\u3002<br \/>&nbsp;&nbsp;&nbsp;&nbsp;* \u7528disown -ah \u6765\u4f7f\u6240\u6709\u7684\u4f5c\u4e1a \u90fd\u5ffd\u7565HUP\u4fe1\u53f7\u3002<br \/>&nbsp;&nbsp;&nbsp;&nbsp;* \u7528disown -rh \u6765\u4f7f\u6b63\u5728\u8fd0\u884c\u7684\u4f5c\u4e1a \u5ffd\u7565HUP\u4fe1\u53f7\u3002<\/p>\n<p>\u4e0a\u9762\u7684\u65b9\u5f0f\u7684\u5bf9\u8c61\u662f\u4f5c\u4e1a\uff0c\u5982\u679c\u6211\u4eec\u5728\u8fd0\u884c\u547d\u4ee4\u65f6\u5728\u7ed3\u5c3e\u52a0\u4e86&#8221;&#038;&#8221; \u6765\u4f7f\u5b83\u6210\u4e3a\u4e00\u4e2a\u4f5c\u4e1a\u5e76\u5728\u540e\u53f0\u8fd0\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7jobs \u547d\u4ee4\u6765\u5f97\u5230\u6240\u6709\u4f5c\u4e1a\u7684\u5217\u8868\u3002\u4f46\u662f\u5982\u679c\u5e76\u6ca1\u6709\u628a\u5f53\u524d\u547d\u4ee4\u4f5c\u4e3a\u4f5c\u4e1a\u6765\u8fd0\u884c\uff0c\u5982\u4f55\u624d\u80fd\u5f97\u5230\u5b83\u7684\u4f5c\u4e1a\u53f7\u5462\uff1f\u7b54\u6848\u5c31\u662f\u7528 CTRL-z\uff08\u6309\u4f4fCtrl\u952e\u7684\u540c\u65f6\u6309\u4f4fz\u952e\uff09\u4e86\uff01<\/p>\n<p>CTRL-z \u7684\u7528\u9014\u5c31\u662f\u5c06\u5f53\u524d\u8fdb\u7a0b\u6302\u8d77\uff08Suspend\uff09\uff0c\u7136\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u7528jobs \u547d\u4ee4\u6765\u67e5\u8be2\u5b83\u7684\u4f5c\u4e1a\u53f7\uff0c\u518d\u7528bg jobspec \u6765\u5c06\u5b83\u653e\u5165\u540e\u53f0\u5e76\u7ee7\u7eed\u8fd0\u884c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u6302\u8d77\u4f1a\u5f71\u54cd\u5f53\u524d\u8fdb\u7a0b\u7684\u8fd0\u884c\u7ed3\u679c\uff0c\u5c31\u4e0d\u63a8\u8350\u5927\u5bb6\u4f7f\u7528\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u600e\u4e48\u5728\u9000\u51faSSH\u540e\uff0c\u8ba9\u5f53\u524d\u7a0b\u5e8f\u7ee7\u7eed\u6267\u884c\u5462\uff1f\u65b9\u6cd5\u6709\u4e09\u4e2a\uff1anohup, setsid, ctrl-z + bg + &hellip; <a href=\"https:\/\/ybzx.vip\/wp\/?p=307\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u7ba1\u7406linux\u7684\u540e\u53f0\u8fd0\u884c\u7a0b\u5e8f<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[78],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-network","tag-linux"],"_links":{"self":[{"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=\/wp\/v2\/posts\/307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=307"}],"version-history":[{"count":0,"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=\/wp\/v2\/posts\/307\/revisions"}],"wp:attachment":[{"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ybzx.vip\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}