[B! linux] kimikimi714ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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linuxã«é–¢ã™ã‚‹kimikimi714ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (91)

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kimikimi714 2017/04/10
ã‚³ãƒžãƒ³ãƒ‰

linux

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daemontools ã§ãƒ—ãƒã‚»ã‚¹ç›£è¦– (svscan, supervise, multilog) - keisyuã®ãƒ–ãƒã‚°
daemontools ( http://cr.yp.to/daemontools.html )ã§ãƒ—ãƒã‚»ã‚¹ç›£è¦–ã‚’é‹ç”¨ä¸Šã‚ˆãã‚„ã‚Šã¾ã™ãŒã€æ¯Žåº¦ã‚°ã‚°ã£ã¦ã‚’ç¹°ã‚Šè¿”ã™ã®ã§è‡ªåˆ†ã§æ›¸ã„ã¨ã“ã†ã¨æ€ã„ã¾ã™ã€‚ daemontools ã¯ä»¥ä¸‹ã®ãƒ„ãƒ¼ãƒ«ã§æ§‹æˆã•ã‚Œã‚‹ãƒ—ãƒã‚»ã‚¹ç›£è¦–ã®ãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£ã§ã™ svscan ã‚µãƒ¼ãƒ“ã‚¹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®ç›£è¦– supervise ãƒ—ãƒã‚»ã‚¹ã®ç›£è¦–ãŠã‚ˆã³åˆ¶å¾¡ multilog ãƒã‚®ãƒ³ã‚° daemontools - Wikipedia daemontools ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« yum ã‚‚ rpm ã‚‚ã‚¤ãƒžã‚¤ãƒã“ã‚Œã‚„!ã£ã¦ã®ãŒãªã„ã®ã§ã€æœ¬å®¶?ã‹ã‚‰ã‚½ãƒ¼ã‚¹æ¯Žãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ $ curl -O http://cr.yp.to/daemontools/daemontools-0.76.tar.gz $ tar zxvf daemontools-0.76.tar.gz $ cd admi
kimikimi714 2017/02/06
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Systems Performanceã‚’èªã‚“ã
Brendan Greggã«ã‚ˆã‚‹â€œSystems Performance: Enterprise and the Cloudâ€ã‚’èªã‚“ã ï¼Ž Linuxï¼ˆSolarisï¼‰ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã®åˆ†é‡Žã§Brendan Greggã¨ã„ã†åå‰ã‚’èžã„ãŸã“ã¨ãŒã‚ã‚‹ã²ã¨ã¯å¤šã„ã¨æ€ã†ï¼Žåå‰ã‚’çŸ¥ã‚‰ãªãã¦ã‚‚ãŒæ›¸ã„ã¦ã„ã‚‹ãƒ–ãƒã‚°ã‚„ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã§ã®ç™ºè¡¨è³‡æ–™ã‚’è¦‹ã‹ã‘ãŸã“ã¨ã¯ã‚ã‚‹ã¨æ€ã†ï¼Žã¾ãŸå½¼ãŒé–‹ç™ºã—ãŸFlame Graphã«ãŠä¸–è©±ã«ãªã£ã¦ã‚‹ã²ã¨ã‚‚ã„ã‚‹ã®ã§ã¯ãªã„ã‹ï¼ˆref. Golangã§Flame Graphã‚’æãï¼‰ï¼Žã¨ã«ã‹ããƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«é–¢ã—ã¦å¸¸ã«å…ˆç«¯ã«ã„ã‚‹ã²ã¨ã§ã‚ã‚‹ï¼Ž ãã‚“ãªå½¼ãŒSystemsï¼ˆã“ã“ã§ã„ã†Systemsã¨ã¯CPUã‚„ãƒ¡ãƒ¢ãƒªã¨ã„ã£ãŸãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã¨Kernelã‚„OSã¨ã„ã£ãŸã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’æŒ‡ã™ï¼‰ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«ã¤ã„ã¦å†…éƒ¨ã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ãƒ¼ã‚’å«ã‚å¾¹åº•çš„ã«è§£èª¬ã—ãŸã®ãŒæœ¬æ›¸ã§ã‚ã‚‹ï¼Žé¢ç™½ã„ã«æ±ºã¾ã£ã¦ã‚‹ï¼Ž æœ¬æ›¸ã®æ ¹åº•
kimikimi714 2016/11/09
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kimikimi714 2016/09/15
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kimikimi714 2016/02/19
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[OSX / Linux] ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã®ãƒ—ãƒã‚»ã‚¹ãŒçµ‚ã‚ã‚‹ã¨é€šçŸ¥ã‚’è¡¨ç¤ºã™ã‚‹ Noti
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kimikimi714 2016/01/17
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kimikimi714 2015/10/02
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kimikimi714 2015/08/20
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kimikimi714 2015/08/17
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kimikimi714 2015/06/22
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vim

windows

linux

git

python

programming

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kimikimi714 2015/02/26
tmux

ã¾ã¨ã‚

linux

Tips
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kimikimi714 2015/02/08
CentOS

systemd

linux
ãƒªãƒ³ã‚¯
Success is a Journey, not a Destination: åˆå¿ƒè€…å‘ã‘ã‚¬ã‚¤ãƒ‰: Linux ã‚«ãƒ¼ãƒãƒ«ã®ãƒãƒƒã‚¯
( The newbie's guide to hacking the Linux kernelãŒã¨ã¦ã‚‚ç´ æ™´ã‚‰ã—ã„è¨˜äº‹ã ã£ãŸã®ã§ç¿»è¨³ã—ã¾ã—ãŸã€‚ ) ( 2010-09-28 LinuxCon Japan ã«ã¦ã€å£é ã§ã™ãŒã€Greg K-H ã‹ã‚‰ç¿»è¨³ãƒ»å…¬é–‹ã®è¨±å¯ã‚’ã‚‚ã‚‰ã„ã¾ã—ãŸã€‚Thanks! ) ã‚«ãƒ¼ãƒãƒ«ã‚’ãƒãƒƒã‚¯ã™ã‚‹ã®ã«ã€ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚µã‚¤ã‚¨ãƒ³ã‚¹ã®åšå£«å·ã‚„ä¸‹ç©ã¿æœŸé–“ã¯å¿…è¦ãªã„ã‚ˆã€‚ã‚‚ã¡ã‚ã‚“ãã†ã„ã†ã“ã¨ã¯å½¹ã«ã¯ç«‹ã¤ã€‚ã§ã‚‚Linuxé–‹ç™ºã®é‡è¦ãªç‚¹ã¯ã€èª°ã«ã§ã‚‚ã‚ªãƒ¼ãƒ—ãƒ³ã ã£ã¦ã“ã¨ã ã€‚ã¨ã«ã‹ãå–ã‚Šçµ„ã‚€ã“ã¨ãŒå¿…è¦ã€‚ã‚ãªãŸã¯æ¯Žæ—¥ä½•ã‚‰ã‹ã®å½¢ã§Linuxã‚«ãƒ¼ãƒãƒ«ã‚’ä½¿ã£ã¦ã‚‹ã§ã—ã‚‡? ã©ã‚“ãªå°ã•ã„ã“ã¨ã§ã‚‚ã„ã„ã‹ã‚‰ã€ã‚«ãƒ¼ãƒãƒ«é–‹ç™ºã‚’å°‘ã—ã§ã‚‚æ‰‹ä¼ãˆã°ã€ãã‚Œã‚’èª‡ã‚Šã«æ€ãˆã‚‹ã¯ãšã ã€‚ å¤šãã®è²¢çŒ®ã‚’ã—ã¦ã„ã¦ (ãã—ã¦ Linux Format ã®èªè€…ã§ã‚‚ã‚ã‚‹) Greg Kroah-Hartman ã«èžã„ã¦ã¿ãŸã€‚åˆå¿ƒè€…ãŒ Linu
kimikimi714 2015/02/05
linux

programming

git

kernel

debug
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KVMç”¨ä»®æƒ³ãƒžã‚·ãƒ³ã‚’Vagrantã§æ‰‹è»½ã«ä½œã‚‹ | ã•ãã‚‰ã®ãƒŠãƒ¬ãƒƒã‚¸
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kimikimi714 2014/10/05
Linux

vagrant

ç’°å¢ƒ

chef

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kimikimi714 2014/09/25
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Dockerã§ã‚³ãƒ³ãƒ†ãƒŠã‚’èµ·å‹•ã™ã‚‹éš›ã«ã€æ¬¡ã®ã‚ˆã†ã«cpu-sharesã¨memory-limitã‚’æŒ‡å®šã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ # docker run -c 256 -m 512m hogehogeã“ã‚Œã¯å†…éƒ¨çš„ã«ã¯cgroupsã‚’ä½¿ã£ã¦ã„ã¾ã™ãŒã€RHEL7ã®Dockerã§ã¯ã€systemdã¨é€£æºã—ã¦cgroupsã®åˆ¶å¾¡ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ã“ã®è¾ºã‚Šã®è§£èª¬ã§ã™ã€‚cgroupsãã®ã‚‚ã®èª¬æ˜Žã¯ä¸‹è¨˜ã‚’å‚ç…§ä¸‹ã•ã„ã€‚ ãƒ»Control Groups (cgroups) ã‚³ãƒ³ãƒ†ãƒŠã‹ã‚‰ç”Ÿæˆã•ã‚Œã‚‹Unit ã¾ãšã€ãƒ†ã‚¹ãƒˆç”¨ã«ContOS6ã®ã‚³ãƒ³ãƒ†ãƒŠã‚’èµ·å‹•ã—ã¦ã€ä¸ã§topã‚³ãƒžãƒ³ãƒ‰ã§ã‚‚å®Ÿè¡Œã—ã¦ãŠãã¾ã™ã€‚ # docker run -it -c 256 -m 512m centos /bin/bash bash-4.1# topåˆ¥ã®ç«¯æœ«ã‹ã‚‰ãƒã‚°ã‚¤ãƒ³ã—ã¦ã€ã‚³ãƒ³ãƒ†ãƒŠIDã‚’ç¢ºèªã—ã¾ã™ã€‚ # docker ps CONTAINER
kimikimi714 2014/09/06
Docker

systemd

Linux

server

ã‚¤ãƒ³ãƒ•ãƒ©

cgroup
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kimikimi714 2014/08/27
ã‚ˆã„

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linux

programming

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kimikimi714 2014/07/09
CentOS

ã‚³ãƒžãƒ³ãƒ‰

Tips

ã¾ã¨ã‚

systemd

linux
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#ljstudyã®Dockerå‹‰å¼·ä¼šã«è¡Œã£ã¦ããŸ - smallpalace's blog
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kimikimi714 2014/06/21
linux

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kimikimi714 2014/06/21
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