[B! linux] hogemã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

hogem id:hogem

linuxã«é–¢ã™ã‚‹hogemã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (547)

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ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®å¹³æ–‡ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’ã‚»ã‚ãƒ¥ã‚¢ã«ã™ã‚‹æ–¹æ³• - ä½™ç™½ã®æ›¸ããªãã‚Š
è¿½è¨˜: (2015/8/3) å¤§é‡ã®ã¯ã¦ãƒ–ãŒä»˜ã„ãŸã®ã§ ç¶šã ã‚’æ›¸ãã¾ã—ãŸã€‚ sshã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹äººã¯æ–‡å—åˆ—ã‚’æ‰‹è»½ã«æš—å·åŒ–ãƒ»å¾©å·åŒ–ã§ãã‚‹ã¨ã„ã†è©±ã€‚ ã“ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’ä½¿ãˆã°è‰²ã€…ã‚»ã‚ãƒ¥ã‚¢ã«ãªã‚‹ã®ã§ãŠã™ã™ã‚ã€‚ ä»Šå›žã¯ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆä¸ã®å¹³æ–‡ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’ã‚»ã‚ãƒ¥ã‚¢ã«ä»£æ›¿ã™ã‚‹ã€‚ å¹³æ–‡ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã¯ã‚„ã‚ã‚ˆã† ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆä¸ã§ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ãŒå¿…è¦ã«ãªã£ãŸã¨ãã€ ã¨ã‚Šã‚ãˆãšå¹³æ–‡ã§æ›¸ã„ã¦ã—ã¾ã„ãŒã¡ã€‚ #!/bin/sh PASSWORD="hoge" ã“ã‚Œã‚’ã‚»ã‚ãƒ¥ã‚¢ã«ã—ãŸã„ã€‚ é¢å€’ãã•ã„ã®ã¯å«Œãªã®ã§ã€ãªã‚‹ã¹ãæ‰‹æŒã¡ã®ãƒ„ãƒ¼ãƒ«ã§æš—å·åŒ–ã€å¾©å·åŒ–ã—ãŸã„ã€‚ sshç”¨ã® rsa ç§˜å¯†éµã¨ã€openssl(å¤§æŠµã®ç’°å¢ƒã«å…¥ã£ã¦ã„ã‚‹)ã‚’ä½¿ã£ã¦æ”¹å–„ã—ã‚ˆã†ã€‚ ç§˜å¯†éµã®æº–å‚™ ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’æš—å·åŒ–ã™ã‚‹ã«ã‚ãŸã£ã¦ã€ç§˜å¯†éµã‚’ä½¿ç”¨ã™ã‚‹ï¼Ž sshã‚’å¸¸ç”¨ã—ã¦ã„ã‚‹å ´åˆã¯ ~/.ssh/id_rsa ã¨ã„ã†ç§˜å¯†éµãŒå˜åœ¨ã™ã‚‹ã ã‚ã†ã€‚ ã‚‚ã—ç§˜å¯†éµãŒç„¡ã‘ã‚Œã°
hogem 2015/08/01
ãŠæ‰‹è»½ã§è‰¯ã„ï¼

linux
ãƒªãƒ³ã‚¯
CentOS 6.4 ã§ Linux Network Namespace (netns) ã‚’ä½¿ã†
Linux ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯æ¯”è¼ƒçš„ CentOS ã‚’ä½¿ã†ã“ã¨ãŒå¤šã„ã‚“ã ã‘ã©ã€æ®‹å¿µãªã“ã¨ã«ãƒãƒ¼ã‚¸ãƒ§ãƒ³ 6.4 ã§ã¯ã¾ã Linux Network Namespace (netns) ãŒä½¿ãˆãªã„ã€‚ ã©ã†ã‚„ã‚‰ Linux ã‚«ãƒ¼ãƒãƒ«ã¨ iproute2 ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒè¶³ã‚Šã¦ãªã„ã‚‰ã—ã„ã€‚ $ ip netns list Object "netns" is unknown, try "ip help". $ uname -r 2.6.32-358.14.1.el6.x86_64 $ rpm -qf `which ip` iproute-2.6.32-23.el6.x86_64 ã˜ã‚ƒã‚ã©ã†ã™ã‚‹ã‹ã£ã¦ã„ã†ã¨ RedHat ãŒå‡ºã—ã¦ã„ã‚‹ OpenStack ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã® RDO ã‚’ä½¿ã†ã€‚ OpenStack ã§ã¯ netns ã‚’ã‚¬ãƒ³ã‚¬ãƒ³ä½¿ã£ã¦ã‚‹ã®ã§ RDO ã¯ãã‚Œã«å¯¾å¿œã™ã‚‹ãŸã‚ã«å°‚ç”¨
hogem 2014/02/01
iproute / ip netns

linux

network
ãƒªãƒ³ã‚¯
CentOS 6.2 ã§ RPS/RFS ã‚’ä½¿ã£ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®å‰²ã‚Šè¾¼ã¿å‡¦ç†ã‚’è¤‡æ•°ã‚³ã‚¢ã«åˆ†æ•£ã—ã¦ã¿ãŸ - blog.nomadscafe.jp
ä»¥å‰(2010å¹´)ã«ã€Œã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§ã‚‚ãƒžãƒ«ãƒã‚³ã‚¢CPUã‚’æ´»ã‹ã›ãªã„ä»¶ã€ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªã«ã¦CPUã®ã‚³ã‚¢ãŒå¢—ãˆã¦ã‚‚å‰²ã‚Šè¾¼ã¿å‡¦ç†ãŒåˆ†æ•£ã•ã‚Œãªã„ã®ã§ã‚¹ã‚±ãƒ¼ãƒ«ã•ã‚Œãªã„ã¨æ›¸ã„ãŸã‘ã©ã€ãã®å¾ŒLinux Kernelã«RPS/RFSãªã‚‹æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚Œã€å‰²ã‚Šè¾¼ã¿å‡¦ç†ãŒåˆ†æ•£ã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã€CentOS 6.2 ã§ã‚‚ä½¿ãˆã‚‹ã‚‰ã—ã„ã®ã§è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ RPS/RFSã«ã¤ã„ã¦ã®ç´¹ä»‹ã¯ VIOPS06ã§ã€ŒRPSãƒ»RFSç‰æœ€æ–°Linux Kerneläº‹ä¾‹ã€ã¨é¡Œã—ã¦ãŠè©±ã—ã¦ãã¾ã—ãŸ http://d.hatena.ne.jp/syuu1228/20110722/1311322653 Linuxå†…æ ¸ RPS/RFSåŠŸèƒ½è¯¦ç»†æµ‹è¯•åˆ†æž http://www.igigo.net/archives/204 ãŒè©³ã—ã„ã€‚2ç•ªç›®ã®ã¯ã»ã¼èªã‚ãªã„ã‘ã©ã€æ€§èƒ½æ¯”è¼ƒã®ã‚°ãƒ©ãƒ•ãŒåˆ†ã‹ã‚Šã‚„ã™ã„ã€‚ ä»Šå›žè©¦ã—ãŸã‚µãƒ¼ãƒã¯ã€ OS: C
hogem 2014/01/14
linux

network
ãƒªãƒ³ã‚¯
DMM inside
æ—¥æœ¬ã‚¢ãƒ‹ãƒ¡åˆã®å¿«æŒ™ï¼æµ·å¤–ã‚¢ãƒ‹ãƒ¡è³žã‚’å—è³žã—ãŸã€Žã‚¹ã‚ãƒƒãƒ—ã¨ãƒãƒ¼ãƒ•ã‚¡ãƒ¼ã€æµ·å¤–ãƒ©ã‚¤ã‚»ãƒ³ã‚¹éƒ¨é•·&ãƒ—ãƒãƒ‡ãƒ¥ãƒ¼ã‚µãƒ¼ãŒèªžã‚‹ã€å¥®é—˜ã®èˆžå°è£
hogem 2014/01/14
"RPS/RFSã‚’ä½¿ç”¨ã™ã‚‹ã¨ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢çš„ã«NICã®å‰²ã‚Šè¾¼ã¿ã«ä½¿ç”¨ã™ã‚‹CPUã‚’åˆ†æ•£ã—ã¦ãã‚Œã¾ã™ã€‚"

linux
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ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«ã¨dentry cacheã¨ãƒ¡ãƒ¢ãƒª - blog.nomadscafe.jp
ã‚ã‚Šã¨é•·ã„é–“æ‚©ã‚“ã§ã„ãŸã‚“ã ã‘ã©ã€æœ€è¿‘è§£æ±ºã—ãŸã®ã§ãƒ¡ãƒ¢ã€‚ ã‚µãƒ¼ãƒ“ã‚¹ã§åˆ©ç”¨ã—ã¦ã„ã‚‹smalllightã®ç”»åƒå¤‰æ›ã‚µãƒ¼ãƒãŒã€ApacheãŒä½¿ã£ã¦ã„ã‚‹ãƒ¡ãƒ¢ãƒªä»¥ä¸Šã®ãƒ¡ãƒ¢ãƒªã‚’ä½¿ç”¨ã—ã€Swapã—ãŸã‚Šãƒ¡ãƒ¢ãƒªæž¯æ¸‡ã§ã‚µãƒ¼ãƒãŒãƒ€ã‚¦ãƒ³ã™ã‚‹ãªã©ã®ã“ã¨ãŒä½•åº¦ã‹ã‚ã‚Šã¾ã—ãŸã€‚ â†‘ãƒ¡ãƒ¢ãƒªã®å‹•ãã¯ã“ã‚“ãªæ„Ÿã˜ ã„ã‚ã„ã‚èª¿ã¹ãŸçµæžœã€Œdentry cacheã€ãªã‚‹ã‚‚ã®ãŒãƒ¡ãƒ¢ãƒªå¤šãã‚’å ã‚ã¦ã„ã‚‹ã“ã¨ãŒã‚ã‹ã‚Šã¾ã—ãŸã€‚dentry cacheã¯ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚„ãƒ•ã‚¡ã‚¤ãƒ«åã¨inodeã¨ã‚’çµã³ã¤ã‘ã«ä½¿ã‚ã‚Œã‚‹ã‚ãƒ£ãƒƒã‚·ãƒ¥ã§ã™ã€‚smalllightã§ã¯ç”»åƒã‚’å¤‰æ›ã™ã‚‹éš›ã«ä¸€æ™‚ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã™ã‚‹ã®ã§ã€ãã®æƒ…å ±ãŒæ®‹ã‚‹ã‚ˆã†ã§ã™ã€‚ æ‰‹å…ƒã§å†ç¾ã•ã›ã‚‹ æœ¬ç•ªã§ä½¿ã£ã¦ã„ã‚‹ã‚µãƒ¼ãƒã¯CentOS5ç³»ã§ã™ãŒã€æ‰‹å…ƒã®Vagrantä¸Šã®CentOS6(ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¯ext4)ã§ã€å†ç¾ã•ã›ã¦ã¿ã¾ã—ãŸã€‚ use Parallel::Prefork; use File::Tem
hogem 2014/01/14
linux
ãƒªãƒ³ã‚¯
Red Hat Enterprise Linux 7 Betaã«ãŠã‘ã‚‹MariaDB 5.5ã®æ§‹æˆ - SH2ã®æ—¥è¨˜
MySQL Casual Advent Calendar 2013ã®14æ—¥ç›®ã§ã™ã€‚ 2013å¹´12æœˆ11æ—¥ã«Red Hat Enterprise Linux 7 BetaãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ä»¥å‰ã‹ã‚‰å™‚ã•ã‚Œã¦ã„ãŸã¨ãŠã‚Šã€RHEL 7ã§ã¯MySQLã§ã¯ãªãMariaDBãŒæŽ¡ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚æœ¬æ—¥ã¯ã€RHEL 7 Betaã«ãŠã„ã¦MariaDBãŒã©ã®ã‚ˆã†ãªæ§‹æˆã«ãªã£ã¦ã„ã‚‹ã®ã‹ã‚’ç°¡å˜ã«ç¢ºèªã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸æ§‹æˆ MariaDBé–¢é€£ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯13å€‹ç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ mariadb-bench.x86_64 : MariaDB benchmark scripts and data mariadb-devel.i686 : Files for development of MariaDB/MySQL applications mariadb-devel.x86_64 : Files
hogem 2014/01/10
mysql

linux
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«æŒ‡å®šã§ã€ãƒšãƒ¼ã‚¸ã‚ãƒ£ãƒƒã‚·ãƒ¥ã«ã®ã£ã¦ã„ã‚‹ã‹ç¢ºèªã—ãŸã‚Šè¿½ã„å‡ºã—ãŸã‚Š - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
ãƒ•ã‚¡ã‚¤ãƒ«æŒ‡å®šã§ã€ãƒšãƒ¼ã‚¸ã‚ãƒ£ãƒƒã‚·ãƒ¥ã«ã®ã£ã¦ã„ã‚‹ã‹ç¢ºèªã—ãŸã‚Šè¿½ã„å‡ºã—ãŸã‚Šã™ã‚‹Perlãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚’æ›¸ãã¾ã—ãŸã€‚ https://metacpan.org/release/Sys-PageCache https://github.com/hirose31/Sys-PageCache Linux ãªã‚‰å‹•ãã¯ãšã§ã™ãŒã€å‹•ã‹ãªã‹ã£ãŸã‚‰æ•™ãˆã¦ãã ã•ã„ã€‚ã‚ã¨ä¸€å¿œã€FreeBSD 8.3ä»¥ä¸Šã§ã‚‚å‹•ãã¨æ€ã„ã¾ã™ã€‚ æ—¢å˜ã®å®Ÿè£…ã«Googleã®linux-ftoolsã‚„ã‚¨ãƒŒãƒãƒ¤ã‚·æ°ã®pagecache-toolãŒã‚ã‚Šã¾ã™ãŒã€ã“ã‚Œã®Perlãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«å®Ÿè£…ï¼ˆXSï¼‰ã«ãªã‚Šã¾ã™ã€‚ https://code.google.com/p/linux-ftools/ https://github.com/nhayashi/pagecache-tool ãŸã¾ã«freeã‚³ãƒžãƒ³ãƒ‰ã§ã¿ã‚‹ã¨buffers/cacheãŒé£Ÿã£ã¦ã¦swapã—ã¦ã‚‹
hogem 2013/09/15
linux
ãƒªãƒ³ã‚¯
æ§‹ç¯‰æ¸ˆã¿ã‚µãƒ¼ãƒã‚’ RSpec ã§ãƒ†ã‚¹ãƒˆã™ã‚‹ serverspec ã¨ã„ã† gem ã‚’ã¤ãã£ãŸ - Gosuke Miyashita
Puppet ã‚„ Chef ã§æ§‹ç¯‰ã—ãŸã‚µãƒ¼ãƒã‚’ RSpec ã§ãƒ†ã‚¹ãƒˆã™ã‚‹ ã§æ›¸ã„ãŸä»•çµ„ã¿ã‚’ä½¿ã„ã‚„ã™ãã™ã‚‹ãŸã‚ã« serverspec ã¨ã„ã†åå‰ã§ gem åŒ–ã—ã¦ã¿ãŸã€‚ rubygems.org ã«ã‚‚ç™»éŒ²ã—ã¦ã‚ã‚‹ã®ã§ã€gem install ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ãã‚‹ã€‚ $ gem install serverspec ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸã‚‰ã€é©å½“ãªãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã§ serverspec-init ã‚’å®Ÿè¡Œã€‚ã™ã‚‹ã¨ã€é››å½¢ã¨ãªã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚„ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç”Ÿæˆã™ã‚‹ã€‚ $ serverspec-init + spec/ + spec/www.example.jp/ + spec/www.example.jp/httpd_spec.rb + spec/spec_helper.rb + Rakefile spec/www.example.jp/httpd_spec.rb ãŒã‚µãƒ³ãƒ—ãƒ«ãƒ†ã‚¹ãƒˆã‚³ãƒ¼ãƒ‰ã§ã€ã“ã‚“ãªæ„Ÿã˜ã«ãªã£ã¦
hogem 2013/05/01
rspec

linux
ãƒªãƒ³ã‚¯
RHCSA, RHCEã®äº‹å‰å‹‰å¼·ã«é©å½“ãªå‚è€ƒæ–‡çŒ®ã‚’ãŠã—ãˆã¦ãã ã•ã„
å„ã‚³ãƒ¼ã‚¹å†…å®¹ã®æ¦‚è¦ã‚’å‚ç…§ã—ãªãŒã‚‰ã€ãƒ¬ãƒƒãƒ‰ãƒãƒƒãƒˆã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’ã²ã‚ã„ã‚ˆã¿ã™ã‚‹ã®ãŒä¸€ç•ªæ‰‹æ—©ã„ã‹ã¨æ€ã„ã¾ã™ã€‚ ä¸»ã«å¯¾å¿œã™ã‚‹ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¨ã—ã¦ã¯ã€ä»¥ä¸‹ã®ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚ å°Žå…¥ã‚¬ã‚¤ãƒ‰ https://access.redhat.com/knowledge/docs/ja-JP/Red_Hat_Enterprise_Linux/6/html/Deployment_Guide/index.html ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚¬ã‚¤ãƒ‰ https://access.redhat.com/knowledge/docs/ja-JP/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/index.html ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ç®¡ç†ã‚¬ã‚¤ãƒ‰ https://access.redhat.com/knowledge/docs/ja-JP/Red_Hat_Enterprise_Linux/6/h
hogem 2013/01/24
redhat

linux
ãƒªãƒ³ã‚¯
RHEL6/CentOS6ã§ã¯ã€single-request-reopen ã‚’å¿…é ˆã«ã—ãŸã„â€¦
2012-11-02 çµè«–ã‹ã‚‰è¨€ãˆã°ã€ã¨ã‚Šã‚ãˆãš RHLE6/CentOS6 ãªäººã¯ /etc/resolv.conf ã« options single-request-reopen ã‚’æ›¸ã„ã¦ãŠã“ã†ã¨ã„ã†è©±ã§ã™(å…¨éƒ¨å°æ–‡å—ã§ã™ã‚ˆã€å¿µã®ãŸã‚ï¼‰ ãªãœã‹ï¼Ÿ RHEL5/CentOS5/Ubuntu 10.04ãªLinuxã¨ã‹ã§ã¯ã€FQDN ã®è§£æ±ºã‚’ã™ã‚‹ã¨ãã« DNSã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã« AAAA RR ã® Queryã‚’æŠ•ã’ã‚‹ AAAA RR ã® Reply ã‚’å—ã‘ã‚‹ DNSã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã« A RR ã® Queryã‚’æŠ•ã’ã‚‹ A RR ã® Reply ã‚’å—ã‘ã‚‹ ã¨ã„ã†æŒ™å‹•ã§ã—ãŸãŒã€RHEL6/CentOS6 ã§ã¯ DNSã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã« A RR ã® Queryã‚’æŠ•ã’ã‚‹ DNSã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã« AAAA RR ã® Queryã‚’æŠ•ã’ã‚‹ A RR ã® Reply ã‚’å—ã‘ã‚‹ AAAA RR ã® Re
hogem 2013/01/24
ssg5 ã®ä¸‹ã«ç½®ã„ã¦ã‚‹ã‚µãƒ¼ãƒã§ã¾ã•ã«ã“ã®ç¾è±¡ãŠããŸ / /etc/resolv.conf ã« options single-request-reopen ã‚’æ›¸ã‘ã°ã‚ˆã„

linux
ãƒªãƒ³ã‚¯
cron ã§ã†ã”ã‹ã—ã¦ã„ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã‚’ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã•ã›ã‚‹ - tokuhirom's blog
coreutils ã® timeout(1) ã‚’ã¤ã‹ãˆã° OK ã§ã™ã€‚ http://www.gnu.org/software/coreutils/manual/html_node/timeout-invocation.html softlimit -t 60 foobar ã¨ã„ã†æ‰‹ã‚‚ã‚ã‚‹ã‘ã©ã€CPUæ™‚é–“ã ã‹ã‚‰ sleep ã—ã¦ã‚‹ã¨ã‹ã ã¨æ»ããªã„ã¨ã„ã†èª¬ã‚‚ã‚ã‚‹ã‚ˆã†ã§ã™ã€‚
hogem 2012/12/31
timeout ã‚³ãƒžãƒ³ãƒ‰çŸ¥ã‚‰ãªã‹ã£ãŸã€‚simple ã§è‰¯ã„

linux
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mixiã®ã‚µãƒ¼ãƒãƒ¼OSç§»è¡Œã«ã¤ã„ã¦
æ—¥æœ¬æœ€å¼·ã®çœ‹æ¿ã‚’ä¸‹ã‚ã—ãŸãƒŸãƒ©ãƒ¼ã‚µãƒ¼ãƒftp.jaist.ac.jpã®ç®¡ç†è€…ã®ä¸€äººãŒã€ ã“ã®ã‚µãƒ¼ãƒã«ã¾ã¤ã‚ã‚‹ã‚ˆã—ãªã—ã”ã¨ã‚’èªžã‚Šã¾ã™ã€‚ English versions of some posts on another blog. mixiã®ã‚µãƒ¼ãƒãƒ¼OSã®ç§»è¡Œã®è©±ãŒãƒ–ãƒã‚°(mixiã®ã‚µãƒ¼ãƒOSç§»è¡Œã®ãŠè©±ã€mixiã®ã‚µãƒ¼ãƒOSç§»è¡Œã®ãŠè©± - å‰å›žè£œè¶³ï¼†ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç·¨)ã§å…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚ç§»è¡Œå…ˆãŒFedora 17ã ã£ãŸã“ã¨ã«ã¤ã„ã¦å¦å®šçš„ãªè¦‹è§£ã‚’ç¤ºã™äººãŒå¤šã„ã§ã™ã€‚ç§ãªã‚‰ã“ã®é¸æŠžã¯ã—ã¾ã›ã‚“ãŒã€çœŸã£å‘ã‹ã‚‰å¦å®šã™ã‚‹ã»ã©åˆç†æ€§ã‚’æ¬ ãé¸æŠžã ã£ãŸã¨ã¯æ€ã£ã¦ã„ã¾ã›ã‚“ã€‚ ç§»è¡Œã™ã‚‹å‰ã¯mixiã¯Fedora 8ã§é‹ç”¨ã—ã¦ã„ã¾ã—ãŸã€‚ Fedoraãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«ã‚ˆã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®æ›´æ–°ãŒæ¢ã¾ã£ãŸã‚ã¨ã¯ã€é•·å¹´è‡ªåŠ›ã§ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ã—ã¦ã„ã¾ã™ã€‚mixiã®Linuxã‚·ã‚¹ãƒ†ãƒ ã¯ã€å½“åˆã®Fedora 8ã¨ã¯å¤§ããç•°ãªã‚‹ã‚‚ã®ã«ãªã£ã¦ã„ã‚‹ã¯ãš
hogem 2012/12/30
linux
ãƒªãƒ³ã‚¯
ifconfig vs ip: comparing the two network configuration commands
ifconfig vs ipThe command /bin/ip has been around for some time now. But people continue using the older command /sbin/ifconfig. Let's be clear: ifconfig will not go away any time soon, but its newer version, ip, is more powerful and will eventually replace it. The man page of ip may look intimidating at first, but once you get familiar with the command syntax, it is an easy read. This page will n
hogem 2012/08/08
linux

network
ãƒªãƒ³ã‚¯
vnStat - a network traffic monitor for Linux and BSD
Since vnStat doesn't have/need a fancy GUI, all 'screenshots' are console captures. Examples of the image output can be found from the cgi demo page. $ vnstat --help vnStat 2.12 by Teemu Toivola -5, --fiveminutes [limit] show 5 minutes -h, --hours [limit] show hours -hg, --hoursgraph show hours graph -d, --days [limit] show days -m, --months [limit] show months -y, --years [limit] show years -t, -
hogem 2012/08/08
ã“ã‚Œè‰¯ã•ãã† / "vnStat is a console-based network traffic monitor for Linux and BSD"

linux

network
ãƒªãƒ³ã‚¯
[Linux] ä¸€èˆ¬ãƒ¦ãƒ¼ã‚¶ã®ãƒ—ãƒã‚»ã‚¹ã‚’ãƒãƒ¼ãƒˆ1024ç•ªæœªæº€ã§Bindã™ã‚‹æ–¹æ³•
ircdãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å°Žå…¥ã—ã‚ˆã†ã¨ã—ã¦ã©ã†ã«ã‚‚6667ãƒãƒ¼ãƒˆã§é€šä¿¡ãŒå‡ºæ¥ãªã„ã®ã§ã¯ã¾ã£ã¦ã„ãŸã®ã§ã™ãŒï¼ˆ6667ã¯ç›¸å¤‰ã‚ã‚‰ãšã¤ãªãŒã‚‰ãªã„ï¼‰ãã®éš›ã«åˆ¥ã®ãƒãƒ¼ãƒˆã«ã™ã‚Œã°ã¨æ€ã£ã¦443ã¨ã‹880ã¨ã‹é©å½“ã«ã—ã¦ã„ãŸã®ã§ã™ãŒã€Permission Deinedã«ãªã£ã¦ã„ã¾ã—ãŸã€‚ ã“ã‚ŒIPã®ãƒãƒ¼ãƒˆç•ªå·ãŒ1024æœªæº€ï¼ˆç‰¹æ¨©ãƒãƒ¼ãƒˆ privileged portsï¼‰ã«è©²å½“ã—ã¦ã€ç‰¹æ¨©ãƒ—ãƒã‚»ã‚¹ï¼ˆCAP_NET_BIND_SERVICE ã‚±ãƒ¼ãƒ‘ãƒ“ãƒªãƒ†ã‚£ã‚’æŒã¤ãƒ—ãƒã‚»ã‚¹ï¼‰ã§ãªã„ã¨ã‚¢ã‚¯ã‚»ã‚¹å‡ºæ¥ãªã„ã“ã¨ã‚’ç„¡è¦–ã—ã¦ã„ãŸãŸã‚ã«ç™ºç”Ÿã—ã¦ã„ã¾ã—ãŸã€‚åˆæ©çš„ãªäº‹ã§ã—ãŸã€‚ å®Ÿéš›ã«ã¯rootãƒ¦ãƒ¼ã‚¶ã§ã‚ã‚Œã°ãƒã‚¤ãƒ³ãƒ‰ã—ã¦åˆ©ç”¨ã™ã‚‹ã“ã¨ãŒå¯èƒ½ã¨ãªã‚Šã¾ã™ãŒ ircdã®ã‚µãƒ¼ãƒ“ã‚¹ã®èµ·å‹•ãƒ¦ãƒ¼ã‚¶ãŒ irc ç‰ã§ã‚ã£ãŸãŸã®ã§ãƒã‚¤ãƒ³ãƒ‰ãŒå‡ºæ¥ãªã„çŠ¶æ…‹ã§ã—ãŸã€‚ãƒ¦ãƒ¼ã‚¶ã‚’å¤‰æ›´ã‚Œã°å¯èƒ½ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒãƒ—ãƒã‚»ã‚¹è‡ªä½“ã«ã“ã®ç‰¹æ¨©ã‚’ä¸Žãˆã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ ã“ã®ç‰¹æ¨©ã‚’å€‹åˆ¥ã«ãƒ—ãƒã‚»
hogem 2012/08/02
linuxã®ã‚±ãƒ¼ãƒ‘ãƒ“ãƒªãƒ†ã‚£ã€è¨€è‘‰ã¯çŸ¥ã£ã¦ãŸã‘ã© setcap/getcap ã§è¨å®šã™ã‚‹ã®çŸ¥ã‚‰ãªã‹ã£ãŸ

linux
ãƒªãƒ³ã‚¯
rsync+btrfsã§snapshot
ã‚µãƒ¼ãƒãƒ¼ã®å…¨ä½“ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã‚’ã¨ã‚‹ã®ã«btrfsã®snapshotã‚’ä½¿ã„ãŸã‹ã£ãŸãŒã€ãƒ¡ã‚¤ãƒ³ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’btrfsã«ã—ãŸãã¯ãªã„ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€rsyncã§btrfsã®subvolumeã«ã‚³ãƒ”ãƒ¼â†’snapshotã‚’ä½œã‚‹ã€ã¨ã„ã†æµã‚Œã«ã—ã¦ã¿ãŸã€‚ 1. btrfsã§æ–°ãƒ‡ã‚£ã‚¹ã‚¯ã‚’ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆ fdiskã‚’ã„ã˜ã‚‹ã®ãŒé¢å€’ã ã£ãŸã®ã§ã“ã“ã ã‘GUIã§ã‚„ã£ãŸã€‚ btrfsé–¢ä¿‚ã®ãƒ„ãƒ¼ãƒ«ãŒãªã‹ã£ãŸã®ã§yumã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ # yum install btrfs-progs 2. btrfsã®subvolumeã‚’ä½œã‚‹ # mount -t btrfs -o compress /dev/sdb1 /mnt/backup # btrfs subvolume create /mnt/backup/latest 3. snapshotç”¨ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ä½œã‚‹ # mkdir /mnt/backup/snapsho
hogem 2012/07/11
btffsã§snapshot å–ã‚‹

linux

filesystem

btrfs
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ãƒã‚°ã‹ã‚‰ã¯è¦‹ãˆã¦ã“ãªã„é«˜è² è·ã‚µã‚¤ãƒˆã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
ã¡ã‚‡ã†ã©ï¼‘å¹´å‰ã«ã€Œé«˜è² è·ã‚µã‚¤ãƒˆã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã‚’è¦‹ã¤ã‘ã‚‹ã«ã¯ã€ã¨ã„ã†è¨˜äº‹ã‚’æŽ²è¼‰ã—ã¦ã„ã¾ã™ãŒã€ã“ã®æ‰‹ã®ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã£ã¦çµæ§‹å¤§å¤‰ã§æ‚©ã¾ã—ã„ã§ã™ã‚ˆãã€‚ã¯ã˜ã‚ã¾ã—ã¦ã€æ–°å…¥ã‚Šã®@pandax381ã§ã™ã€‚ ãƒã‚°ã‹ã‚‰ã¯è¦‹ãˆã¦ã“ãªã„ã‚‚ã® ã€Œã‚µã‚¤ãƒˆã®å¿œç”ãŒé…ã„ã€ã¨ã„ã†å•é¡ŒãŒç™ºç”Ÿã—ãŸå ´åˆã€ãã®åŽŸå› ã¯ã©ã“ã«ã‚ã‚‹ã§ã—ã‚‡ã†ã‹ã€‚ Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å‡¦ç†ã«æ™‚é–“ãŒæŽ›ã‹ã£ã¦ã„ã‚‹ DBã‚µãƒ¼ãƒã«æŠ•ã’ãŸã‚¯ã‚¨ãƒªãƒ¼ã®å¿œç”ãŒé…ã„ ã‚µãƒ¼ãƒã®å‡¦ç†èƒ½åŠ›ã‚’è¶…ãˆã¦ã„ã‚‹ ãªã©ãªã©ã€ã„ãã¤ã‚‚ã®å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚é€šå¸¸ã€ä¸Šã«æŒ™ã’ã¦ã„ã‚‹ã‚ˆã†ãªå•é¡Œã¯ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚„ã‚µãƒ¼ãƒã®ãƒã‚°ã‚’èª¿æŸ»ã™ã‚‹ã“ã¨ã§ã€åŽŸå› ã‚’çªãæ¢ã‚ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ä¸€æ–¹ã§ã€ã“ã†ã„ã£ãŸãƒã‚°ã®èª¿æŸ»ã ã‘ã§ã¯ã€ãã®åŽŸå› ã«ãŸã©ã‚Šç€ãã“ã¨ãŒã§ããªã‹ã£ãŸã‚Šã€ç›¸å½“ãªè‹¦åŠ´ãŒä¼´ã†ã‚±ãƒ¼ã‚¹ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã‚ã‚‹ã‚µã‚¤ãƒˆã®ã‚ã‚‹æ—¥ã®å‡ºæ¥äº‹ ã¤ã„å…ˆæ—¥ã®ã“ã¨ã§ã™ãŒã€KLabã®é‹å–¶ã—ã¦ã„ã‚‹æŸã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚²ãƒ¼ãƒ ã«ã¦ã€ã‚µ
hogem 2012/07/09
"tcpeekã¯ã€TCPã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ç¢ºç«‹æ™‚ã«ç™ºç”Ÿã™ã‚‹ã‚¨ãƒ©ãƒ¼ã‚’ç›£è¦–ãƒ»é›†è¨ˆã™ã‚‹ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ¢ãƒ‹ã‚¿ã§ã™" ã“ã‚Œã¯ä¾¿åˆ©ãªã®ã§åˆ©ç”¨ã•ã›ã¦ã‚‚ã‚‰ã†ã¨ã—ã¦ã€l2 switchã®æ•…éšœã¯snmpã§ã‚ã‹ã‚‹ã‚ˆã†ãªæ°—ãŒã™ã‚‹ã€‚

linux
ãƒªãƒ³ã‚¯
ã„ã„æ„Ÿã˜ã«ã‚µãƒ¼ãƒã®æ§‹æˆæƒ…å ±ã‚’å‡ºåŠ›ã—ã¦ãã‚Œã‚‹ãƒ„ãƒ¼ãƒ«ã€ohaiã‚’ä½¿ã£ã¦ã¿ãŸ - mikedaã®æ—¥è¨˜
ã‚µãƒ¼ãƒã®æ§‹æˆæƒ…å ±ã®åŽé›†ã«ã¯dmidecodeã€unameã€/proc/*ãªã©ãªã©ã€ã„ã‚ã„ã‚é§†ä½¿ã—ã¦ã‚‹ã¨æ€ã†ã®ã§ã™ãŒ è¦šãˆã‚‹ã®å¤§å¤‰ãƒ»ãƒ»ãƒ»å‡ºåŠ›ã®ãƒ‘ãƒ¼ã‚¹ã‚ã‚“ã©ãã•ã„ãƒ»ãƒ»ãƒ»è¤‡æ•°OSä½¿ã£ã¦ã‚‹å ´åˆã¯ç‰¹ã«ãƒ»ãƒ»ãƒ» ã¨ã„ã†ã‚ã‘ã§ã„ã„æ„Ÿã˜ã«ã‚µãƒ¼ãƒã®æ§‹æˆæƒ…å ±ã‚’å‡ºåŠ›ã—ã¦ãã‚Œã‚‹ãƒ„ãƒ¼ãƒ«ã€ohaiã‚’ç´¹ä»‹ ï¼ˆå®Ÿã¯Chefã£ã¦ã„ã†æ§‹æˆç®¡ç†ãƒ„ãƒ¼ãƒ«ã§å†…éƒ¨çš„ã«ä½¿ã†ãŸã‚ã®ã‚‚ã®ãªã®ã§ã™ãŒå˜ä½“ã§ã‚‚åˆ©ç”¨å¯èƒ½ã§ã™ï¼‰ http://wiki.opscode.com/display/chef/Ohai ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« Rubyã§æ›¸ã‹ã‚ŒãŸãƒ„ãƒ¼ãƒ«ãªã®ã§gemã§ [root@test01 ohai]# gem install ohaiâ€»ã†ã¾ãã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ããªã„å ´åˆã¯gemã‚’ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã—ã¦ãã ã•ã„ã€‚ruby-develã‚‚å¿…è¦ å®Ÿè¡Œä¾‹ï¼ˆã‚³ãƒžãƒ³ãƒ‰ï¼‰ ohaiã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã™ã‚‹ã¨JSONå½¢å¼ã§ã‚µãƒ¼ãƒã®æƒ…å ±ãŒå‡ºåŠ›ã•ã‚Œã¾ã™ HPã‚µãƒ¼ãƒä¸Šã®CentOS [ro
hogem 2012/06/13
ohai - chefã«ã¤ã„ã¦ãã‚‹ãƒ–ãƒ„ã€‚å˜ä½“ã§ã‚‚ä½¿ãˆã‚‹ã‚‰ã—ã„ / "ohaiã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã™ã‚‹ã¨JSONå½¢å¼ã§ã‚µãƒ¼ãƒã®æƒ…å ±ãŒå‡ºåŠ›ã•ã‚Œã¾ã™"

linux

server
ãƒªãƒ³ã‚¯
redhat.com | Red Hat responds.
Red Hat Enterprise Linux AI is here Develop, test, and run generative AI models on the LinuxÂ® platform you trust, now available through our cloud and hardware partners. Get product details
hogem 2012/05/18
rhelã§yumãŒä½¿ãˆãªããªã£ãŸã‚‰ rhn-profile-sync / "è©²å½“ã®ãƒžã‚·ãƒ¼ãƒ³ãŒ(ç•¥) ã‚ã‚‹ä¸€å®šæœŸé–“Red Hat Networkã¨åŒæœŸãŒå–ã‚Œãªã„å ´åˆã«ã€ä¼‘æ¢ä¸ã®ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ã«å¤‰æ›´ã—ã¾ã™"

rhel

linux
ãƒªãƒ³ã‚¯
RedHat Linux æŠ€è¡“çš„ãªè³ªå•(Part2) FAQ
Red Hat Insights Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Learn More Go to Insights Red Hat Product Security Center Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Product Security Center
hogem 2012/04/15
rhel6?ã‹ã‚‰ä½¿ãˆã‚‹cgroup (libcgroup, cgconfig) ã§ãƒ—ãƒã‚»ã‚¹ã”ã¨ã®cpu/mem/diskãªã©ã®ãƒªã‚½ãƒ¼ã‚¹åˆ¶å¾¡ / ã“ã‚Œã‚’ä½¿ãˆã°KVMã®ä»®æƒ³ãƒžã‚·ãƒ³ã”ã¨ã«ç´°ã‹ã„è¨å®šãŒã§ãã‚‹ï¼Ÿ

linux
ãƒªãƒ³ã‚¯
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