[B! systemd] shin1x1ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

shin1x1 id:shin1x1

systemdã«é–¢ã™ã‚‹shin1x1ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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2016å¹´5æœˆ30æ—¥ã€€ãƒã‚°ã‚¢ã‚¦ãƒˆã®ãŸã³ã«ãƒ¦ãƒ¼ã‚¶ãƒ—ãƒã‚»ã‚¹ã‚’ã™ã¹ã¦killãªã‚“ã¦ â€•æ¯Žåº¦ãŠé¨’ãŒã›ã®systemdã€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã¾ãŸç‚Žä¸Š | gihyo.jp
Linux Daily Topics 2016å¹´5æœˆ30æ—¥ãƒã‚°ã‚¢ã‚¦ãƒˆã®ãŸã³ã«ãƒ¦ãƒ¼ã‚¶ãƒ—ãƒã‚»ã‚¹ã‚’ã™ã¹ã¦killãªã‚“ã¦ â€•æ¯Žåº¦ãŠé¨’ãŒã›ã®systemdã€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã¾ãŸç‚Žä¸Š èª•ç”Ÿä»¥æ¥ã€Linuxãƒ¦ãƒ¼ã‚¶ã®é–“ã§å¥½ãå«Œã„ãŒå¤§ããåˆ†ã‹ã‚Œã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã®ä»£è¡¨ã«systemdãŒã‚ã‚‹ã€‚ç¾åœ¨ã€ãƒ¡ã‚¸ãƒ£ãƒ¼ãªLinuxãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã®ã»ã¨ã‚“ã©ã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®èµ·å‹•ãƒ—ãƒã‚»ã‚¹ã¨ã—ã¦systemdã‚’æŽ¡ç”¨ã—ã¦ã„ã‚‹ãŒã€ãã®å¤‰æ›´ã‚’æ±ºã‚ã‚‹ã¨ãã¯ãŸã„ã¦ã„ã€ã©ã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã§ã‚‚ã²ã¨æ‚¶ç€ãŒã¤ãã¾ã¨ã†ã€‚ãŸã¨ãˆã°2å¹´å‰ã«DebianãŒsystemdã¸ã®ç§»è¡Œã‚’æ±ºå®šã—ãŸã¨ãã‚‚ã€é–‹ç™ºè€…ã®é–“ã§æ„è¦‹ãŒäºŒåˆ†ã•ã‚ŒãŸçŠ¶æ…‹ã«ãªã‚Šã€æœ€å¾Œã¯ãƒã‚§ã‚¢ãƒžãƒ³ã®è£å®šã§systemdã«è½ã¡ç€ã„ã¦ã„ã‚‹ã€‚ã¾ãŸæ˜¨å¹´ã€UbuntuãŒUpstartã‹ã‚‰systemdã«ç§»è¡Œã—ãŸéš›ã‚‚ã€å¤šãã®ãƒ¦ãƒ¼ã‚¶ã‚„é–‹ç™ºè€…ãŒæ··ä¹±ã«é™¥ã£ãŸã“ã¨ã¯è¨˜æ†¶ã«æ–°ã—ã„ã€‚ ãã—ã¦ãã®systemdãŒãã®ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã«
shin1x1 2016/05/30
linux

systemd
ãƒªãƒ³ã‚¯
AWS+CoreOS+Dockerã§ã‚³ãƒ³ãƒ†ãƒŠã®è‡ªå‹•èµ·å‹• 1 - Qiita
Dockerã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã—ã¦é…ç½®ã™ã‚‹ AWSã®CoreOSã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§DockerãŒèµ·å‹•ã™ã‚‹ã‚ˆã†ã«è¨å®šã•ã‚Œã¦ã„ã‚‹ ã¾ãŸã€ãã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’å¤‰æ›´ã™ã‚‹ã“ã¨ã¯rootã§åˆã£ã¦ã‚‚ã§ããªã„ è§£æ±ºæ–¹æ³•ã¨ã—ã¦ã€ä¸Šæ›¸ãç”¨ã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’åˆ¥ã®å ´æ‰€ã«ä½œæˆã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šè¨å®šã‚’å¤‰æ›´ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ« /usr/lib64/systemd/system/docker.service (32bitç‰ˆã¯/usr/lib/systemd/system/docker.serviceãªã‚“ã˜ã‚ƒãªã„ã‹ãª) systemdã«ã¤ã„ã¦ã¯å¾Œè¿° [Unit] Description=Docker Application Container Engine Documentation=http://docs.docker.io [Service] Environment="TMPDIR=/var/tmp/"
shin1x1 2014/07/26
docker

systemd

aws
ãƒªãƒ³ã‚¯
Hello, systemd
8. SIGKILLã—ãŸã‚‰ã©ã†ãªã‚‹ã‹ # systemctl status httpd httpd.service - The Apache HTTP Server Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled) Active: active (running) since Thu 2014-07-24 03:57:50 JST; 1min 21s ago Main PID: 1311 (httpd) Status: "Total requests: 0; Current requests/sec: 0; Current traffic: 0 B/sec" CGroup: /system.slice/httpd.service â”œâ”€1311 /usr/sbin/httpd -DFOREGROUND â”œâ”€1451
shin1x1 2014/07/25
systemd

linux

presentation
ãƒªãƒ³ã‚¯
Systemdã‚³ãƒžãƒ³ãƒ‰æ—©è¦‹è¡¨(CentOS 7å¯¾å¿œ)
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
shin1x1 2014/07/09
systemd

centos
ãƒªãƒ³ã‚¯
RHEL7ã®Dockerã¨systemdã¨cgroups - ã‚ã‚‚ã‚ã‚‚
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
shin1x1 2014/04/27
docker

systemd

cgroups
ãƒªãƒ³ã‚¯
systemdã‚’æœ¬ç•ªé‹ç”¨ã—ã¦ã‚ã‹ã£ãŸã“ã¨ - mixi engineer blog
ã“ã‚“ã«ã¡ã¯ã€é‹ç”¨éƒ¨ ã‚¢ãƒ—ãƒªé‹ç”¨ã‚°ãƒ«ãƒ¼ãƒ—ã®æ¸…æ°´ã§ã™ã€‚ãƒ¢ãƒ³ã‚¹ãƒˆä»²é–“å‹Ÿé›†ä¸ã§ã™ã€‚ ä»¥å‰ã€Fedora 8ã‹ã‚‰Fedora 17ã¸ã®ç§»è¡Œã®ãŠè©±ã‚’æ›¸ãã¾ã—ãŸã€‚Fedora 17ã§ã¯systemdãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚ãã®systemdã‚’æœ¬ç•ªç’°å¢ƒã§é‹ç”¨ã—ã¦1å¹´ä»¥ä¸ŠãŒçµŒã¡ã€æ§˜ã€…ãªçµŒé¨“ã‚’ã—ã¦ãã¾ã—ãŸã€‚systemdã®ç’°å¢ƒã§çŸ¥ã£ã¦ãŠãã¨å½¹ã«ç«‹ã¤ã¨æ€ã‚ã‚Œã‚‹ã“ã¨ã«ã¤ã„ã¦ã„ãã¤ã‹ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¾ãšã¯ã€systemdã®æ¦‚è¦ã«ã¤ã„ã¦ç°¡å˜ã«ç´¹ä»‹ã—ã¾ã™ã€‚ systemdã®æ¦‚è¦ã¨æ´å² systemdã¯ã€å¾“æ¥ã®SysVinit/Upstartã«ä»£ã‚ã‚‹ã‚‚ã®ã§ã€Linuxã‚µãƒ¼ãƒã®èµ·å‹•æ™‚ã«åˆæœŸè¨å®šã‚„ã‚µãƒ¼ãƒ“ã‚¹èµ·å‹•ã‚’ãŠã“ãªã†ã“ã¨ã«ã¨ã©ã¾ã‚‰ãšã€ãƒ—ãƒã‚»ã‚¹ã‚„ãƒªã‚½ãƒ¼ã‚¹ãªã©æ§˜ã€…ãªç®¡ç†ã‚’ãŠã“ãªã†ãƒ‡ãƒ¼ãƒ¢ãƒ³ã§ã™ã€‚ Fedora 14ã®é ƒï¼ˆ2010å¹´11æœˆãƒªãƒªãƒ¼ã‚¹ï¼‰ã«Techno logy Previewã¨ã—ã¦æä¾›ã•ã‚Œã€Fedora 1
shin1x1 2013/12/11
systemd

linux
ãƒªãƒ³ã‚¯
Systemdå…¥é–€(1) - Unitã®æ¦‚å¿µã‚’ç†è§£ã™ã‚‹ - ã‚ã‚‚ã‚ã‚‚
Linuxã®èµ·å‹•å‡¦ç†ã¯ã€ã“ã‚Œã¾ã§init/upstartã¨å‘¼ã°ã‚Œã‚‹ä»•çµ„ã¿ã§è¡Œã‚ã‚Œã¦ã„ã¾ã—ãŸã€‚Red Hat Enterprise Linux 7 (RHEL7)ã§ã¯ã€ã“ã‚ŒãŒã€systemdã¨å‘¼ã°ã‚Œã‚‹ã¾ã£ãŸãæ–°ã—ã„ä»•çµ„ã¿ã«ç½®ãæ›ã‚ã‚Šã¾ã™ã€‚Fedoraã§ã¯ã€ã™ã§ã«å…ˆè¡Œã—ã¦systemdãŒæŽ¡ç”¨ã•ã‚Œã¦ã„ã¾ã™ãŒã€ã“ã®é€£è¼‰ï¼ˆï¼Ÿï¼‰ã§ã¯ã€Fedora 17ã§ã®å®Ÿè£…ã‚’ãƒ™ãƒ¼ã‚¹ã¨ã—ã¦ã€systemdã®è€ƒãˆæ–¹ã‚„ä»•çµ„ã¿ã€åˆ©ç”¨æ–¹æ³•ã‚’èª¬æ˜Žã—ã¦ã„ãã¾ã™ã€‚ä»Šå›žã¯ã€systemdã®å‹•ä½œã®åŸºç¤Žã¨ãªã‚‹ã€ŒUnitã€ã®æ¦‚å¿µã‚’ç†è§£ã—ã¾ã™ã€‚ systemdã‚’æŽ¡ç”¨ã—ãŸFedoraã§Linuxã®åŸºç¤Žã‚’å¦ã³ãªãã†ï¼ã¨ã„ã†æ–¹ã«ã¯ã€ã€Œã€Œç‹¬ç¿’Linuxå°‚ç§‘ã€ã‚µãƒ¼ãƒæ§‹ç¯‰/é‹ç”¨/ç®¡ç†â€•â€•ã‚ãªãŸã«ä¼ãˆãŸã„æŠ€ã¨çŸ¥æµã¨é‰„å‰‡ã€ãŒãŠå‹§ã‚ã§ã™ã€‚(^^/ systemdã®è€ƒãˆæ–¹ å‚è€ƒè³‡æ–™ ãƒ»Rethinking PID 1ï¼šsystemdã®é–‹ç™ºè€…ã§ã‚ã‚‹Lennart
shin1x1 2013/09/15
linux

systemd
ãƒªãƒ³ã‚¯
1