[B! unix] zionicã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

zionic id:zionic

unixã«é–¢ã™ã‚‹zionicã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

syslogdã®é™ç•Œã¨æ¬¡ä¸–ä»£ã‚·ã‚¹ãƒã‚°ãƒ‡ãƒ¼ãƒ¢ãƒ³ï¼ˆ1/3ï¼‰ â€• ï¼ IT
UNIXç³»OSã®ã‚·ã‚¹ãƒ†ãƒ ãƒã‚®ãƒ³ã‚°ã‚’ãŠã‚ˆã20å¹´ã®é•·ãã«ã‚ãŸã£ã¦æ”¯ãˆã¦ããŸã€Œsyslogdã€ã«ã‚‚ã€é™ç•ŒãŒè¦‹ãˆã¤ã¤ã‚ã‚Šã¾ã™ã€‚ãã®é™ç•Œã‚’æ‰“ã¡ç ´ã‚‹æ©Ÿèƒ½ã‚’å‚™ãˆãŸæ–°ã—ã„ã‚·ã‚¹ãƒã‚°ãƒ‡ãƒ¼ãƒ¢ãƒ³ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ï¼ˆç·¨é›†éƒ¨ï¼‰ ã‚·ã‚¹ãƒã‚°ãƒ‡ãƒ¼ãƒ¢ãƒ³ã€Œsyslogdã€ã¯ã€UNIXç³»OSã®ã‚·ã‚¹ãƒ†ãƒ ãƒã‚®ãƒ³ã‚°ã‚’ãŠã‚ˆã20å¹´ã®é•·ãã«ã‚ãŸã‚Šæ”¯ãˆã¦ãã¾ã—ãŸã€‚ã—ã‹ã—ã€å¢—å¤§ã™ã‚‹ä¿¡é ¼æ€§ã‚„å®‰å…¨æ€§ã¸ã®è¦æ±‚ã€ãƒã‚°ã®é©æ£ä¿ç®¡ã¨ã„ã£ãŸè¦æœ›ã«å¿œãˆã‚‹ã«ã¯ã€syslogdã§ã¯åŠ›ä¸è¶³ã¨ã®å£°ãŒé«˜ã¾ã£ã¦ã„ã¾ã™ã€‚ ãã‚“ãªæŠ˜ã€ã‚·ã‚¹ãƒ†ãƒ ãƒã‚®ãƒ³ã‚°ã‚’ã‚ˆã‚Šç¢ºå®Ÿã«è¡Œã„ã€RDBMSã¸ã®ãƒ‡ãƒ¼ã‚¿ä¿å˜ã‚„ç›£è¦–ã‚·ã‚¹ãƒ†ãƒ ã®é€£æºã¨ã„ã£ãŸå¯ç”¨æ€§ã«ã‚‚å„ªã‚ŒãŸã€ã€Œsyslog-ngã€ã‚„ã€Œrsyslogã€ãŒæ³¨ç›®ã‚’é›†ã‚ã¦ã„ã¾ã™ã€‚ã“ã®é€£è¼‰ã§ã¯ã€ã“ã†ã—ãŸæ¬¡ä¸–ä»£ã‚·ã‚¹ãƒã‚°ãƒ‡ãƒ¼ãƒ¢ãƒ³ã‚’å–ã‚Šä¸Šã’ã€å°Žå…¥æ–¹æ³•ã‚„æ´»ç”¨æ–¹æ³•ã‚’è§£èª¬ã—ã¾ã™ã€‚ ã‚·ã‚¹ãƒ†ãƒ ãƒã‚®ãƒ³ã‚°ã¨syslogd å®Ÿè¡Œã—ãŸã‚¤ãƒ™ãƒ³ãƒˆã®å±¥æ´ã€ã‚·ã‚¹ãƒ†ãƒ ä¸èª¿ã‚„å¤‰æ›´ã®è¨˜éŒ²ã€ä¸æ£ã‚¢
zionic 2008/07/17
syslog-ngæ´¾ã€‚

ã‚µãƒ¼ãƒç®¡ç†

ã‚·ã‚¹ãƒ†ãƒ ç®¡ç†

unix
ãƒªãƒ³ã‚¯
I, newbie Â» ssh(1)ã‚’ä½¿ã„å€’ã™
sshã‚’ä½¿ã„ã“ãªã—ã¦ã„ãªã„ã²ã¨ã‚’è¦‹ã‚‹ã¨ã‚¤ãƒ©ã£ã¨ã™ã‚‹ã€‚ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰èªè¨¼å¤§å¥½ã(ã‚‚ã†21ä¸–ç´€ã§ã™ã‚ˆ)ã€ãƒ‘ã‚¹ãƒ•ãƒ¬ãƒ¼ã‚ºå…¥ã‚Œã‚‹ã®ãŒé¢å€’(keychainä½¿ãˆã‚ˆ)ã€æ”¾ã£ã¨ã„ãŸsshæŽ¥ç¶šãŒåˆ‡ã‚Œã¦ã€Œã¾ãŸåˆ‡ã‚ŒãŸ!ã€(screenä½¿ãˆã‚ˆ)ã¨ã‹ã€‚ ()ã¯~/.ssh/configã«ãŠã‘ã‚‹åŒç‰ã®è¨å®šã€‚è©³ã—ãã¯ssh(1)ã¨ssh_config(5)ã‚’å‚ç…§ã®ã“ã¨ã€‚ ä¸€å®šæœŸé–“ã”ã¨ã«ãƒ‘ã‚±ãƒƒãƒˆã‚’é€ã£ã¦ã€ç„¡é€šä¿¡æ™‚é–“çµŒéŽã«ã‚ˆã‚Šã‚»ãƒƒã‚·ãƒ§ãƒ³ãŒåˆ‡æ–ã•ã‚Œã‚‹ã®ã‚’å›žé¿ã™ã‚‹ã€‚ > ssh -o 'ServerAliveInterval 60' host.example.org (ServerAliveInterval 60) ssh-agentã®forwardingã‚’æœ‰åŠ¹ã«ã—ã¦ã€loginå…ˆã®ãƒ›ã‚¹ãƒˆã§ã‚‚ãƒ‘ã‚¹ãƒ•ãƒ¬ãƒ¼ã‚ºã®å…¥åŠ›ã‚’çœç•¥ã™ã‚‹ã€‚ > ssh -A host.example.org (ForwardAgent yes) remoteã®ã‚³ãƒ³
zionic 2008/03/07
tips

unix

ssh
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒã‚° | ç„¡æ–™ãƒ–ãƒã‚°ã‚’ä½œæˆã—ã‚ˆã†
ã“ã®ç„¡é§„ã«ã‚²ãƒ¼ãƒ ã—ã¦éŽã”ã—ãŸæ™‚é–“ã‚’å‹‰å¼·ã«å……ã¦ãŸã‚‰ä¸å›½èªžã‚‚ãƒšãƒ©ãƒšãƒ©ã«ãªã‚‹ã‚“ã˜ã‚ƒãï½žã®ï¼ã¨æ€ã£ãŸã®ã§1å¹´é–“ã‚„ã£ãŸ ã„ã¤ã‚‚å¿ƒã«è°¢è°¢æ‚¨â€¦â€¦ï¼ˆè‘±æŠ“é¤…ã®è¢‹ã‚ˆã‚Šï¼‰ ãªã‚“ã¨ãªãä¸å›½èªžã‚’ã‚„ã£ã¦ã¿ã‚‹ã‹ã€ã¨æ€ã„ç«‹ã£ãŸã®ãŒç¢ºã‹2021å†¬ãã‚‰ã„ãªã‚“ã ã‘ã©ã€ç‹¬å¦ã§å‹‰å¼·ã‚’å§‹ã‚ã¦æ¦‚ãï¼‘å¹´ã§HSK3ç´šï¼ˆä½“æ„Ÿã ã¨ä¸å¦è‹±èªžãã‚‰ã„ã®ãƒ¬ãƒ™ãƒ«ï¼‰ã«åˆæ ¼ã—ãŸã®ã§ãã®è©±ã‚’æ›¸ãã¾ï½žã™ã€‚ æœ€åˆã«æ›¸ã„ã¡ã‚ƒã†ã¨ã€åˆæ ¼ã¾ã§ã«ãƒ¡â€¦
zionic 2007/10/31
ã‚«ãƒ¼ãƒãƒ«ã‚³ãƒ¼ãƒ‰ã®èªã¿æ–¹ã€‚ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒ©ãŒå°ã•ãã¾ã¨ã¾ã£ã¦ã¦é¢ç™½ã„

unix

ãªã‚‹ã»ã©
ãƒªãƒ³ã‚¯
ä»™çŸ³æµ©æ˜Žã®æ—¥è¨˜: chroot ã•ã‚ŒãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‹ã‚‰è„±å‡ºã—ã¦ã¿ã‚‹
è¦ç´„ã™ã‚Œã°ã€ ã€Œchrootãªã‚“ã¦ç°¡å˜ã«æŠœã‘ã‚‰ã‚Œã‚‹ã‹ã‚‰ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ç›®çš„ã§ä½¿ã£ã¦ã‚‚æ„å‘³ãªã„ã‚ˆã€‚ã€ ã£ã¦ã“ã¨ãã€‚ãã†ã ã£ãŸã®ã‹ã€‚ ãã†ã ã£ãŸã®ã‹ orz Note that this call does not change the current working directory, so that `.' can be outside the tree rooted at `/'. In particular, the super-user can escape from a `chroot jail' by doing `mkdir foo; chroot foo; cd ..'. chroot ã™ã‚‹ã¨ãã¯ã€ãã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã¸ chdir ã—ã¦ãŠãã®ãŒå¸¸è˜ã¨ æ€ã£ã¦ã„ãŸã®ã§æ°—ã¥ã„ã¦ã„ãªã‹ã£ãŸã€‚ ã¤ã¾ã‚Šã€ æ•…æ„ã«ã‚«ãƒ¬ãƒ³ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ chroot å¤–ã¸ã‚‚ã£ã¦ã„ã‘ã°ã€ chroot ã•ã‚ŒãŸ
zionic 2007/09/28
ãã†ã ã£ãŸã®ã‹ã€‚>æ•…æ„ã«ã‚«ãƒ¬ãƒ³ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ chroot å¤–ã¸ã‚‚ã£ã¦ã„ã‘ã°ã€ chroot ã•ã‚ŒãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‹ã‚‰æŠœã‘å‡ºã›ã¦ã—ã¾ã†

unix

tips

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
load to vi master uâˆ´
zionic 2007/05/07
>viã‚’çŸ¥ã‚‰ã¬è€…ã¯æ»

unix

ã‚ã¨ã§èªã‚€
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã‚’Unixãƒ‰ãƒ¡ã‚¤ãƒ³ã‚½ã‚±ãƒƒãƒˆçµŒç”±ã§æ¸¡ã™ - bkãƒ–ãƒã‚°
ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã‚’Unixãƒ‰ãƒ¡ã‚¤ãƒ³ã‚½ã‚±ãƒƒãƒˆçµŒç”±ã§æ¸¡ã™ Unix ç³»ã®å¤šãã® OSã«ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã‚’åˆ¥ã®ãƒ—ãƒã‚»ã‚¹ã« Unix ãƒ‰ãƒ¡ã‚¤ãƒ³ã‚½ã‚±ãƒƒãƒˆçµŒç”±ã§æ¸¡ã™æ©Ÿèƒ½ãŒã‚ã‚Šã¾ã™ã€‚ä¸€è¦‹ã€ä½•ã®ãŸã‚ã«ä½¿ã†ã®ã‹ã‚ˆãã‚ã‹ã‚‰ãªã„æ©Ÿèƒ½ã§ã™ãŒã€ glibc ã® nscd ã¯ã“ã‚Œã‚’ã†ã¾ãä½¿ã£ã¦ã„ã¾ã™ã€‚ nscd (name service caching daemon) ã¯ glibc å†…ã§è¡Œã‚ã‚Œã‚‹åå‰é–¢é€£ã®å•ã„åˆã‚ã›ã‚’ã‚ãƒ£ãƒƒã‚·ãƒ¥ã™ã‚‹ã‚µãƒ¼ãƒã§ã™ã€‚NIS ã‚„ LDAP ãªã©ã‚’ç”¨ã„ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ™ãƒ¼ã‚¹ã§ãƒ¦ãƒ¼ã‚¶ç®¡ç†ã‚’è¡Œã£ã¦ã„ã‚‹å ´åˆã€ getpwuid() ãªã©ã®é–¢æ•°ã¯ãƒ¦ãƒ¼ã‚¶åã®å–å¾—ã«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ã‚¯ã‚»ã‚¹ã‚’å¿…è¦ã¨ã—ã¾ã™ãŒã€ nscd ã‚’ç«‹ã¡ä¸Šã’ã¦ãŠã‘ã°ã€äºŒåº¦ç›®ã‹ã‚‰ã®åŒã˜å•ã„åˆã‚ã›ã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‹ã‚‰å¾—ã‚‰ã‚Œã¾ã™ã€‚ nscd ã‚’ç«‹ã¡ä¸Šã’ã¦ã„ã‚‹ GNU/Linux ã‚·ã‚¹ãƒ†ãƒ ã§ã¯ã€ã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ•ã‚¡ã‚¤ãƒ«ãŒ /var/db/nscd ä»¥ä¸‹ã«ä½œ
zionic 2006/09/22
programming

unix
ãƒªãƒ³ã‚¯
1