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fm315 id:fm315

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fm315 2019/11/27
Windows

ã‚³ãƒžãƒ³ãƒ‰

ping
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CentOS 7ã§ã¯systemdãŒå°Žå…¥ã•ã‚Œã¦ã„ã‚‹ã®ã§ã€ã‚µãƒ¼ãƒ“ã‚¹ã®ç®¡ç†ãŒå¾“æ¥ã¨å¤§ããå¤‰ã‚ã£ã¦ã„ã¾ã™ã€‚è©³ã—ã„è§£èª¬ã¯systemdå¾¹åº•å…¥é–€ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã‚’å‚ç…§ã™ã‚‹ã¨ã—ã¦ã€ã“ã“ã§ã¯ã€Œå‰ã®ã‚³ãƒžãƒ³ãƒ‰ã¯systemdã§ã©ã†å…¥åŠ›ã™ã‚‹ã®ï¼Ÿã€ã¨ã„ã†ã®ã ã‘ã€ç°¡å˜ã«ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ ã‚µãƒ¼ãƒ“ã‚¹åã«ã¯sshdã‚’æŒ‡å®šã—ã¦ã„ã¾ã™ãŒã€ã‚‚ã¡ã‚ã‚“ä»»æ„ã®ã‚µãƒ¼ãƒ“ã‚¹ãŒæŒ‡å®šã§ãã¾ã™ã€‚ ã‚µãƒ¼ãƒ“ã‚¹ã®èµ·å‹•ã€çµ‚äº†ãªã© æ“ä½œSysV Init Systemd èµ·å‹•/etc/init.d/sshd startsystemctl start sshd çµ‚äº†/etc/init.d/sshd stopsystemctl stop sshd å¼·åˆ¶çµ‚äº†PIDæŽ¢ã—ã¦kill -9systemctl kill -s 9 sshd å†èµ·å‹•/etc/init.d/sshd restartsystemctl restart sshd è¨å®šåæ˜ /etc/init.d/s
fm315 2014/07/11
CentOS

systemd

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ãƒ‡ãƒ¼ãƒ¢ãƒ³ã®èµ·å‹•ãƒ»çµ‚äº†ã«ã¯serviceã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã—ã‚ˆã†
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fm315 2013/06/25
ã‚³ãƒžãƒ³ãƒ‰

Linux
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Mac OS Xã®ã€Žã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã€ã¯æ„å¤–ã¨ä½¿ã‚ã‚Œã¦ã„ãªã„æ©Ÿèƒ½ã§ã™ã€‚Macåˆå¿ƒè€…ã‹ã‚‰ã™ã‚‹ã¨æ•·å±…ãŒé«˜ãã†ã«è¦‹ãˆã¾ã™ãŒã€å®Ÿéš›ã®ã¨ã“ã‚ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã«å¯¾ã—ã¦èº«æ§‹ãˆã‚‹å¿…è¦ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚åŸºæœ¬çš„ãªã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚³ãƒžãƒ³ãƒ‰ã‚’çŸ¥ã£ã¦ãŠãã ã‘ã§ã€OSã®ä½¿ã„å‹æ‰‹ã¯é£›èºçš„ã«å‘ä¸Šã™ã‚‹ã§ã—ã‚‡ã†ã€‚ ä»Šå›žã¯ã‚¿ãƒ¼ãƒŸãƒŠãƒ«å…¥é–€è¬›åº§ã¨ã—ã¦10å€‹ã®ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚³ãƒžãƒ³ãƒ‰ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ã¾ãšã€Macåˆå¿ƒè€…ã«ã‚‚ã‚ã‹ã‚Šã‚„ã™ã„ã‚ˆã†ã«ã€Œã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã¨ã¯ã€ã‹ã‚‰èª¬æ˜Žã—ã¾ã™ã€‚ ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã¨ã¯ ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã¨ã¯ã€Mac OS Xã«ä»˜å±žã—ã¦ã„ã‚‹ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚¿ã®ã“ã¨ã§ã€ä¸€èˆ¬çš„ãªUNIXã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã§ãã¾ã™ã€‚ã¡ãªã¿ã«ã€OS Xã¯UNIXç³»ã®OSã§ã€Windowsã¯NTç³»ã®OSã§ã™ã€‚ OS Xã§ã¯é€šå¸¸ã‚°ãƒ©ãƒ•ã‚£ã‚«ãƒ«ãƒ¦ãƒ¼ã‚¶ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ï¼ˆGUIï¼‰ã‚’ä½¿ç”¨ã—ã¾ã™ãŒã€ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚’ä½¿ã†å ´åˆã¯ã‚³ãƒžãƒ³ãƒ‰ã‚’ãƒ†ã‚ã‚¹ãƒˆå½¢å¼ã§å…¥åŠ›ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚é•·ã„ã‚³ãƒ¼ãƒ‰ã®ç¾…åˆ—ã®ã‚ˆã†ã«è¦‹ãˆã‚‹ãŸã‚é›£ã—ãã†ã§ã™ãŒã€å®Ÿ
fm315 2013/06/17
Mac OS X

tips

Mac

Apple

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
DNS ã® SOA (TTLãªã©)ã‚’ç¢ºèªã™ã‚‹æ–¹æ³•
ã‚ã‚‹ãƒ‰ãƒ¡ã‚¤ãƒ³ã® DNS ã‚µãƒ¼ãƒã® TTL ã‚„ Expire, Retry ãªã©ã® SOA ã‚’ç¢ºèªã™ã‚‹æ–¹æ³•ã§ã™ã€‚ $ dig example.net SOA â€¦â€¦ ;; ANSWER SECTION: example.net. 86400 IN SOA example.net root.example.net. 2007012301 3600 600 1209600 86400 â€¦â€¦ ã“ã“ã§ã¯æœ€åˆã® 86400 ãŒ TTLã€‚æœ€å¾Œã®æ•°å—ãŒä¸¦ã‚“ã§ã„ã‚‹éƒ¨åˆ†ã¯é †ã«ã€ã‚·ãƒªã‚¢ãƒ«ã€refresh, retry, expire, minimumã€‚å‚è€ƒã¾ã§ã«æ„å‘³ã‚’è¨˜ã—ã¦ãŠãã¨ã€ TTL å•ã„åˆã‚ã›çµæžœã®ã‚ãƒ£ãƒƒã‚·ãƒ¥æœ‰åŠ¹æœŸé–“ ã‚·ãƒªã‚¢ãƒ« ã‚¾ãƒ¼ãƒ³æƒ…å ±ãŒæ›´æ–°ã—ãŸã¨ãã«å¤§ããªæ•°å€¤ã«ãªã‚‹ã€‚ã¨ã„ã†ã‹å¤‰æ›´ã™ã‚‹ã€‚ã“ã‚Œã§ DNS ã®æƒ…å ±ãŒæ–°ã—ããªã£ãŸã“ã¨ã‚’åˆ¤æ–ã™ã‚‹ã€‚ refresh ã‚»ã‚«ãƒ³ãƒ€ãƒªã‚µãƒ¼ãƒãŒæ›´æ–°ã‚’å•ã„åˆã‚ã›ã‚‹é–“éš”ã€‚ re
fm315 2013/06/14
DNS

TTL

unix

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
åŽŸå› èª¿æŸ»ç”¨Linuxã‚³ãƒžãƒ³ãƒ‰ | å¤–é“çˆ¶ã®åŒ
ã‚µãƒ¼ãƒã®å‹•ä½œã«ç•°å¸¸ãŒç™ºç”Ÿã—ãŸéš›ã«åŽŸå› ã‚’æŽ¢ã‚‹ãŸã‚ã®Linuxã‚³ãƒžãƒ³ãƒ‰ã§ã€è‡ªåˆ†ç”¨ã®ãƒ¡ãƒ¢ã§ã™ã€‚ å…¨ã¦manã¨ã‹ã‚°ã‚°ã£ãŸã‚‰å‡ºã¦ãã‚‹ã®ã§èª¬æ˜Žã¯é©å½“ã§ã™ã€‚æ€ã„ã¤ã„ãŸã‚‰å¾Œã§è¿½è¨˜ã—ã¦ã„ãã‹ã‚‚ã§ã™ã€‚ å¯¾è±¡ã¯Debian Squeezeã«ãªã‚Šã¾ã™ã€‚ å…¨ã¦ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ãã‚‹ã‚‚ã®ã§ã€ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸åã¯ [in packagename] ã¨ã—ã¦ã‚ã‚Šã¾ã™ã€‚ å„æ‰€ã‚ˆã‚Šã‚³ãƒ¡ãƒ³ãƒˆã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ è‰¯ã•æ°—ãªã‚³ãƒžãƒ³ãƒ‰ã¯è¿½è¨˜ã—ã¦ã„ãã¾ã™ã€‚ ï¼œè¿½åŠ ã—ãŸã‚³ãƒžãƒ³ãƒ‰ï¼ž * telnet (+ã‚³ãƒ¡ãƒ³ãƒˆ wget, netcat) * arp (+ã‚³ãƒ¡ãƒ³ãƒˆ arpwatch) * pstree * fdisk ã‚³ãƒ¡ãƒ³ãƒˆã« gdisk * host, dig * watch * reboot
fm315 2012/10/23
Linux

ã‚³ãƒžãƒ³ãƒ‰

ãƒˆãƒ©ãƒ–ãƒ«å¯¾ç–

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Dokuwiki.fl8.jp [fl8 Wiki]
# ipcalc -nbm 192.168.65.101/21 NETMASK=255.255.248.0 BROADCAST=192.168.71.255 NETWORK=192.168.64.0 # ipcalc -p 192.168.64.1 255.255.248.0 PREFIX=21
fm315 2012/09/02
unix

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
umount ãŒã†ã¾ãã„ãã¾ã›ã‚“ã€‚
ã€ç¾è±¡ã€‘ umount ã‚’å®Ÿè¡Œã™ã‚‹ã¨ã€"device is busy" ã¾ãŸã¯ umount: /mnt/cdrom: ãƒ‡ãƒã‚¤ã‚¹ã‚’ä½¿ç”¨ä¸ã§ã™ ã¨è¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ ã€åŽŸå› ã€‘ ä¸€èˆ¬çš„ã«å•é¡Œã«ãªã‚‹ã®ã¯ã€mount ã—ãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ä½•ã‚‰ã‹ã®ãƒ—ãƒã‚»ã‚¹(ãƒ—ãƒã‚°ãƒ©ãƒ )ãŒ ä½¿ã£ã¦ã„ã‚‹å ´åˆã§ã™ã€‚fuser ã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ç”¨ã™ã‚Œã°ã€ãƒžã‚¦ãƒ³ãƒˆã•ã‚ŒãŸãƒ‡ãƒã‚¤ã‚¹ã‚’ç¾åœ¨ ä½¿ç”¨ä¸ã®ãƒ—ãƒã‚»ã‚¹ã‚„ãƒ¦ãƒ¼ã‚¶ãƒ¼åã‚’ç¢ºèªã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ä¾‹) # fuser -muv /mnt/cdrom ãŸã¨ãˆã°ãƒžã‚¦ãƒ³ãƒˆãƒã‚¤ãƒ³ãƒˆã‚’ã‚«ãƒ¬ãƒ³ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«ã—ã¦ã„ã‚‹äº‹ãŒåŽŸå› ã¨ãªã‚Šã¾ã™ã€‚ ã¾ãŸ TurboLinux ã§æ¨™æº–çš„ã«è¾žæ›¸æ¤œç´¢ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ä½¿ã£ã¦ã„ã‚‹eb-w3 ã®ãƒ‡ãƒ¼ãƒ¢ãƒ³ãŒ åŽŸå› ã§ã‚ã‚‹å ´åˆã‚‚ã‚ã‚Šã¾ã™ã€‚ ã•ã‚‰ã«ã¯ã€mount ã‚’å®Ÿè¡Œã—ãŸktermã€€ã®ãƒ—ãƒã‚»ã‚¹ãŒæ®‹ã£ã¦ ã„ã‚‹å ´åˆãªã©ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã€å¯¾ç–ã€‘ fuser ã‚’å®Ÿè¡Œã—ãŸéš›ã«è¡¨ç¤ºã•ã‚ŒãŸãƒ—ãƒã‚»ã‚¹ã‚’çµ‚
fm315 2012/05/07
Linux

unix

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
Mac OS Xã§DNSã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’Flushã™ã‚‹æ–¹æ³• - ç©ã¿é‡ããŸæ—¥ã€…
ç‹¬è‡ªãƒ‰ãƒ¡ã‚¤ãƒ³ã‚’å–å¾—ã—ã¦1æ™‚é–“ã‚‚çµŒãŸãªã„ã†ã¡ã«ã€pingãŒé€šã‚‹ã‚ˆã†ã«ãªã£ãŸã€‚ % ping example.com PING example.com (208.77.188.166): 56 data bytes 64 bytes from 208.77.188.166: icmp_seq=0 ttl=47 time=43.754 ms 64 bytes from 208.77.188.166: icmp_seq=1 ttl=47 time=17.892 ms 64 bytes from 208.77.188.166: icmp_seq=2 ttl=47 time=26.406 ms (snip) ^C --- example.com ping statistics --- 17 packets transmitted, 17 packets received, 0% packet loss
fm315 2011/11/11
sudo dscacheutil -flushcache

Mac OS X

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
Technical Note TN2267: Video Decode Acceleration Framework Reference
fm315 2011/11/11
dscacheutil

Mac OS X

ã‚³ãƒžãƒ³ãƒ‰

DNS
ãƒªãƒ³ã‚¯
Page Not Found (404): Redirecting to community.unix.com ...
fm315 2010/02/28
ã‚³ãƒžãƒ³ãƒ‰
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Lecture/HowToUnix/
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fm315 2009/03/08
unix

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fm315 2009/03/08
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fm315 2009/03/08
ãƒªãƒ€ã‚¤ãƒ¬ã‚¯ãƒˆï¼Ž

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fm315 2009/01/27
Linux

tips

ã‚³ãƒžãƒ³ãƒ‰
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fm315 2008/11/11
unix

Linux

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fm315 2008/11/11
hdparm

Linux

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
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fm315 2007/09/25
Linux

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
Linuxã‚³ãƒžãƒ³ãƒ‰
fm315 2007/05/03
Linux

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fm315 2007/04/09
ã‚³ãƒžãƒ³ãƒ‰

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