[B! linux] manji0112ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

manji0112 id:manji0112

linuxã«é–¢ã™ã‚‹manji0112ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (21)

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TEMPEST: Fedoreã®æŠ€ ç§˜å¯†éµã‹ã‚‰å…¬é–‹éµã‚’ä½œã‚‹ã«ã¯
TOPÂ >Â LinuxÂ >Â Fedoraã®æŠ€Â >Â 201-300Â >Â 201 ç§˜å¯†éµã‹ã‚‰å…¬é–‹éµã‚’ä½œã‚‹ã«ã¯ å…¬é–‹éµã‚’ãªãã—ãŸã€ã¾ãŸã¯å®Ÿéš›ã«ä½¿ã£ã¦ã„ã‚‹å…¬é–‹éµãŒæœ¬æ¥ã®ã‚‚ã®ã§ã‚ã‚‹ã‹ç¢ºèªã§ããªã„ã¨ãã¯ç§˜å¯†éµã‹ã‚‰å…¬é–‹éµã‚’ä½œæˆã™ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã™ã€‚å¿…è¦ã«å¿œã˜ã¦ãƒªãƒ€ã‚¤ãƒ¬ã‚¯ãƒˆ(å‚ç…§297)ã§ä¿å˜ã™ã‚‹ã¨ã„ã„ã§ã—ã‚‡ã†ã€‚ $ ssh-keygen -y -f .ssh/ringo_key Enter passphrase:Â ãƒ‘ã‚¹ãƒ•ãƒ¬ãƒ¼ã‚ºã‚’å…¥åŠ› ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA3torrYaN2YPIPNguZaAuX9pl7VMueMwwLue 32C52YSURD9Dw/ePszodLSV2GtJUoracfmO5QAkNYMHqQYvj5844a/Uxmf3iAQSHjx2P/vh RSbp4MJMvXS8njKkKtf44XuDON5whfD1Y94/yrV5ifa56
manji0112 2016/02/19
ssh

Linux

ssh-keygen
ãƒªãƒ³ã‚¯
/proc/meminfoã‚’è€ƒãˆã‚‹ - ã‚ã‚‚ã‚ã‚‚
é€šã‚Šã™ãŒã‚Šã®è²´æ–¹ãƒ»ãƒ»ãƒ»ãƒ» /proc/meminfoã®ã‚ã£ã¡ã®å€¤ã¨ã“ã£ã¡ã®å€¤ã‚’è¶³ã—ãŸã‚‰ã€ãªã‚“ã§ãã£ã¡ã®å€¤ã¨åŒã˜ã«ãªã‚‰ãªã„ã®ãƒ»ãƒ»ãƒ»ãƒ» ã¨æ‚©ã‚“ã ã“ã¨ã‚ã‚Šã¾ã™ã‚ˆãï¼Ÿ /proc/meminfoã¯ã€ã‚«ãƒ¼ãƒãƒ«ãŒå†…éƒ¨çš„ã«ç®¡ç†ã—ã¦ã„ã‚‹æž çµ„ã¿ã§ã®ãƒ¡ãƒ¢ãƒªæƒ…å ±ã‚’ãã®ã¾ã¾å‡ºã—ã¦ã„ã‚‹ã®ã§ã€æ®‹å¿µãªãŒã‚‰ãƒ¦ãƒ¼ã‚¶è¦–ç‚¹ã§çŸ¥ã‚ŠãŸã„ãƒ¡ãƒ¢ãƒªæƒ…å ±ã¨ã¯ä¸€è‡´ã—ã¾ã›ã‚“ã€‚ ã¨ã¯ã„ãˆã€å¤‰ãªè§£é‡ˆã‚’ã—ã¦ç„¡æ„å‘³ã«æ‚©ã¾ãªã„ãŸã‚ã«ã€ãã‚Œãžã‚Œã®å€¤ã®æ„å‘³åˆã„ã¨é …ç›®é–“ã®é–¢ä¿‚ã‚’çŸ¥ã£ã¦ãŠãã®ã¯æœ‰æ„ç¾©ã§ã™ã€‚ç§ã®ç†è§£ã®ç¯„å›²ã§ã€ãã‚Œã‚‰ã®é–¢ä¿‚ã‚’ã¾ã¨ã‚ã¦ã„ãã¾ã™ã€‚ ï¼ƒç§ã®ç†è§£ã‚‚å®Œç’§ã§ã¯ãªã„ã®ã§ã€é–“é•ã„ã‚ã‚Œã°ã‚„ã•ã—ãã”æŒ‡æ‘˜ãŠé¡˜ã„ã—ã¾ã™ã€‚ å‚è€ƒè³‡æ–™ã€€http://mkosaki.blog46.fc2.com/blog-entry-1007.html 2011/09/07 è¿½è¨˜ï¼š tmpfsãŒSwapCachedã«å«ã¾ã‚Œã‚‹ã®ã¯å¹»æƒ³ã§ã—ãŸã€‚tmpfs=Shmemã«ä¿®æ£ã—ã¾ã—ãŸã€‚
manji0112 2015/09/27
linux

memory

meminfo
ãƒªãƒ³ã‚¯
ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿æ•°ã®ä¸Šé™å¤‰æ›´ã¨limits.confã®ç½ | âˆ’ã‚†ã‚ãƒã‚°âˆ’ | ã‚†ã‚ã¿ã‚¹ã‚¿ãƒƒãƒ•ãƒ–ãƒã‚°
æœ¬è¨˜äº‹ã¯ã€2010å¹´7æœˆã«ã€ŒYUMELOGã€ã«æŽ²è¼‰ã•ã‚ŒãŸè¨˜äº‹ã§ã™ã€‚ 2021å¹´12æœˆæœ«ã€ŒYUMELOGã€çµ‚äº†ã«ä¼´ã„ã€ç§»è¡Œã„ãŸã—ã¾ã—ãŸã€‚ ï¼ˆã€ŒYUMELOGã€ã‚’ã“ã‚Œã¾ã§ã”æ„›é¡§ã„ãŸã ãã€èª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ï¼‰ ã“ã‚“ã«ã¡ã¯ã€mikkoã§ã™ã€‚ ä»Šå›žã¯ã€1ãƒ—ãƒã‚»ã‚¹ãŒåŒæ™‚ã‚ªãƒ¼ãƒ—ãƒ³å¯èƒ½ãªãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿æ•°ã®ä¸Šé™ã‚’å¤‰æ›´ã™ã‚‹æ–¹æ³•ã¨ã€ãã®éš›ã®è½ã¨ã—ç©´ã«ã¤ã„ã¦ã§ã™ã€‚ Linuxã§ã¯ã€åŒæ™‚ã«ã‚ªãƒ¼ãƒ—ãƒ³ã§ãã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿æ•°ãŒåˆ¶é™ã•ã‚Œã¦ã„ã¾ã™ã€‚ OSå…¨ä½“ã§ã®è¨å®šã¯ã€/proc/sys/fs/file-maxç‰ã§ç¢ºèªã§ãã€å¤§è¦æ¨¡ãªã‚¢ã‚¯ã‚»ã‚¹ãŒã‚ã‚‹ã‚µãƒ¼ãƒã§ã¯/etc/sysctl.confã«è¨å®šã‚’è¿½åŠ ã—ã¦ä¸Šé™ã‚’å¢—ã‚„ã—ã¦ã„ã‚‹ã‚±ãƒ¼ã‚¹ã‚‚å¤šã„ã§ã—ã‚‡ã†ã€‚ ã“ã‚Œã¨ã¯åˆ¥ã«ã€1ãƒ—ãƒã‚»ã‚¹ãŒåŒæ™‚ã‚ªãƒ¼ãƒ—ãƒ³å¯èƒ½ãªãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿æ•°ã¯ã€æ¨™æº–ã§1024ã¨ãªã£ã¦ã„ã¾ã™ã€‚ apacheã®preforkãƒ¢ãƒ‡ãƒ«ç‰ã®åãƒ—ãƒã‚»ã‚¹ãŒå¤šæ•°
manji0112 2015/09/24
linux

ulimit
ãƒªãƒ³ã‚¯
Raam Dev
Planning ahead, whether to the next week or the new year, always has me asking a familiar question:Â what do you want? That's a question that propels me into the future, a place where it's easy to live, where there's endless potential and where anything is possible but nothing reallyÂ happens, that place where we can pretend to make choices and pretend to know their consequences but experience the t
manji0112 2015/09/10
dns

Linux

config
ãƒªãƒ³ã‚¯
net-toolsã¨iproute2ã®ã‚³ãƒžãƒ³ãƒ‰å¯¾å¿œæ—©è¦‹è¡¨ | ä¿ºçš„å‚™å¿˜éŒ² ã€œãªã‚“ã‹ã„ã‚ã„ã‚ã€œ
net-toolsã‹ã‚‰iproute2ã¸ç§»è¡Œã™ã‚‹éš›ã€iproute2ã®ã©ã®ã‚³ãƒžãƒ³ãƒ‰ãŒã€ä»Šã¾ã§ä½¿ã£ã¦ã„ãŸnet-toolsã®ã©ã®ã‚³ãƒžãƒ³ãƒ‰ã«ç›¸å½“ã™ã‚‹ã®ã‹ãŒã‚ã‹ã‚‰ãªã„äººã‚‚å¤šã„ã ã‚ã†ã€‚ ä»¥ä¸‹ã®ã‚µã‚¤ãƒˆã§ãã®å¯¾å¿œè¡¨ã‚’è¨˜è¿°ã—ã¦ã„ãŸã®ã§ã€ä»Šå›žã¯ãã‚Œã‚’ç¿»è¨³ã—ã¦ã¾ã¨ã‚ã¦ã¿ã‚‹ã“ã¨ã«ã—ãŸã€‚ Deprecated Linux networking commands and their replacements â‰ª Doug Vitale Tech Blog 1.å„ã‚³ãƒžãƒ³ãƒ‰ã”ã¨ã®å¯¾å¿œè¡¨ ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’è€ƒãˆãªã„ã€å„ã‚³ãƒžãƒ³ãƒ‰ã”ã¨ã®å¯¾å¿œè¡¨ã‚’ä»¥ä¸‹ã«ç¤ºã™ã€‚ ãªãŠã€()ã®ä»˜ã„ã¦ã„ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã¯çœç•¥å½¢ã€‚()å†…ãŒæ£å¼ãªã‚³ãƒžãƒ³ãƒ‰æ§‹æ–‡ã¨ãªã‚‹ã€‚ net-tools iproute2
manji0112 2015/08/27
linux

ãƒãƒ¼ãƒˆã‚·ãƒ¼ãƒˆ

iproute2
ãƒªãƒ³ã‚¯
TIME_WAITçŠ¶æ…‹ã®TCPã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’æ—©ãçµ‚äº†ã•ã›ã‚‹ã¹ãKernelã‚’ãƒªãƒ“ãƒ«ãƒ‰ - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
ä»¥å‰ã€ä¸€åº¦ã‚„ã£ãŸã¯ãšãªã®ã§ã™ãŒã€ã™ã£ã‹ã‚Šå¿˜ã‚Œã¦ã—ã¾ã£ã¦ã„ã¦ã€çµå±€èª¿ã¹ã‚‹ã“ã¨ã«ãªã£ãŸã®ã§ã€ä»Šå›žã¯ã“ã“ã«ä½œæ¥ãƒã‚°ã‚’æ®‹ã—ã¦ãŠãã¾ã™ã€‚ TIME_WAITã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®å¢—æ®– ä¸€èˆ¬çš„ã«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ã‚¯ã‚»ã‚¹æ•°ãŒæ¥µç«¯ã«å¤šã„ã‚µãƒ¼ãƒã§ã¯ã€TIME_WAITçŠ¶æ…‹ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒæ®‹ç•™ã—ãŒã¡ã§ã™ã€‚ TIME_WAITã®æ»žç•™æ™‚é–“ãŒã€Linuxãƒ‡ãƒ•ã‚©ã ã¨60ç§’ã«ãªã£ã¦ã„ã‚‹ãŸã‚ã€ä¸‹è¨˜ã®ã‚¨ãƒ³ãƒˆãƒªã«ã‚‚æ›¸ãã¾ã—ãŸãŒã€60ç§’ã®é–“ã«æ•°åä¸‡ãƒ¬ãƒ™ãƒ«ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆãŒæ¥ã‚‹ã¨ã‚ã£ã¨ã„ã†é–“ã«ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ†ãƒ¼ãƒ–ãƒ«ãŒåŸ‹ã¾ã£ã¦ã„ã£ã¦ã—ã¾ã†ã‚ã‘ã§ã™ã€‚ ã§ã€åˆ¥ã«TIME_WAITã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒå¤šããªã£ã¦ã—ã¾ã†ã“ã¨è‡ªä½“ã¯ã€å®Œå…¨ãªæ‚ªã¨ã„ã†ã‚ã‘ã§ã‚‚ãªãã€ "net.ipv4.tcp_max_tw_buckets" ã‚ãŸã‚Šã§ã‚ãƒ£ãƒƒãƒ—ã‚‚ã§ãã‚‹ã—ã€ãã‚Œãªã‚Šã«åˆ¶å¾¡ã—ã¦ä»˜ãåˆã£ã¦ã„ã‘ã°ã„ã„ã‚ã‘ã§ã™ãŒã€ãƒãƒ¼ã‚«ãƒ«ã®TCPãƒãƒ¼ãƒˆã‚’ä½¿ã„åˆ‡ã‚‹ã‚ˆã†ãªã‚±ãƒ¼ã‚¹ã ã¨ã€ä½¿ãˆã‚‹ãƒãƒ¼ã‚«ãƒ«ãƒãƒ¼
manji0112 2015/08/24
TCP

Kernel

linux
ãƒªãƒ³ã‚¯
Wiresharkã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨è¨å®š
ã“ã‚Œã§ä¸€èˆ¬ãƒ¦ãƒ¼ã‚¶ãƒ¼ã§ã‚‚Wiresharkã‚’ä½¿ç”¨ã§ãã‚‹ã‚ˆã†ã«ãªã£ãŸã€‚ ã“ã“ã§çµ‚ã‚ã‚Šã«ã—ã¦ã‚‚è‰¯ã„ãŒwiresharkã‚°ãƒ«ãƒ¼ãƒ—ã‚’ä½œæˆã—ãã®ã‚°ãƒ«ãƒ¼ãƒ—ã«å‚åŠ ã—ã¦ã„ã‚‹ãƒ¦ãƒ¼ã‚¶ã®ã¿å®Ÿè¡Œã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã€‚ wiresharkã‚°ãƒ«ãƒ¼ãƒ—ã‚’ä½œæˆã™ã‚‹ã€‚ $ sudo addgroup wireshark dumpcapã®æ‰€æœ‰æ¨©(ã‚°ãƒ«ãƒ¼ãƒ—)ã‚’wiresharkã‚°ãƒ«ãƒ¼ãƒ—ã«ã™ã‚‹ã€‚ $ sudo chgrp wireshark /usr/bin/dumpcap ãƒ‘ãƒ¼ãƒŸãƒƒã‚·ãƒ§ãƒ³ã‚’å¤‰æ›´ã™ã‚‹ã€‚ $ sudo chmod 754 /usr/bin/dumpcap æ‰€æœ‰æ¨©ã‚’å¤‰æ›´ã™ã‚‹ã¨è¨å®šã—ãŸã‚±ãƒ¼ãƒ‘ãƒ“ãƒªãƒ†ã‚£ãŒå¤–ã‚Œã‚‹ã®ã§å†åº¦è¨å®šã™ã‚‹ã€‚ $ sudo setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' /usr/bin/dumpcap ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚’wiresharkã‚°ãƒ«ãƒ¼ãƒ—ã«å‚åŠ ã•ã›ã‚‹ã€‚ ãƒ¦ãƒ¼ã‚¶ãƒ¼åãŒdum
manji0112 2015/05/01
wireshark

Linux

network
ãƒªãƒ³ã‚¯
How to Add SSH Keys to New or Existing Droplets | DigitalOcean Documentation
DigitalOcean Droplets are Linux-based virtual machines (VMs) that run on top of virtualized hardware. Each Droplet you create is a new server you can use, either standalone or as part of a larger, cloud-based infrastructure. You can manage your Droplets using password-based logins, but we strongly recommend using SSH key pairs instead. SSH keys are more secure than passwords and can help you log i
manji0112 2015/04/16
linux

ssh
ãƒªãƒ³ã‚¯
TCP/IP ã‚¨ãƒ©ãƒ¼å‡¦ç† connect ç·¨
connect(2) ã®ã‚¨ãƒ©ãƒ¼ TCP ã«ãŠã„ã¦ connect(2) å‘¼å‡ºã—æ™‚ã«ç™ºç”Ÿã™ã‚‹å¯èƒ½æ€§ã®ã‚ã‚‹ã‚¨ãƒ©ãƒ¼ã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆ RST å—ä¿¡ EHOSTUNREACH ã¾ãŸ ENETUNREACH ã‚·ã‚°ãƒŠãƒ«å—ä¿¡ ãã®ä»– ã¾ãšã€connect(2) æ™‚ã®æ£å¸¸ãªæµã‚Œã‚’ã—ã£ã‹ã‚Šè¦šãˆã¦ãŠã„ã¦ãã ã•ã„ã€‚ (connect(2) ã‚’å‘¼ã‚“ã§) SYN ã‚’é€ã‚‹ SYN+ACK ãŒè¿”ã£ã¦ãã‚‹ (ã“ã“ã§ connect(2) ã‹ã‚‰æˆ»ã‚‹) ACK ã‚’é€ã‚‹ ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆ ã‚‚ã—ä»®ã«ã€SYN ã‚’é€ã£ãŸã‚‚ã®ã®ã€ç›¸æ‰‹å´ã‹ã‚‰ SYN+ACK ãŒè¿”ã£ã¦ã“ãªã„å ´åˆã¯ã€ (ãƒãƒ¼ã‚«ãƒ«ã® TCP ã‚¹ã‚¿ãƒƒã‚¯ãŒ) ã—ã¤ã“ã SYN ã‚’å†é€ã—ã¾ã™ã€‚ä½•åº¦ SYN ã‚’é€ã£ã¦ã‚‚ SYN+ACK ãŒè¿”ã£ã¦ã“ãªã„å ´åˆã¯ã‚ãã‚‰ã‚ã¦ã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆã—ã¾ã™ã€‚ ã€ŒSYN+ACK ãŒè¿”ã£ã¦ã“ãªã„ã€ã¨ã„ã†ã®ã¯ã€ä¾‹ãˆã°ä»¥ä¸‹ã®ã‚ˆã†ãªã‚±ãƒ¼ã‚¹ãŒè€ƒãˆã‚‰ã‚Œã¾ã™ã€‚
manji0112 2015/02/27
linux

network

TCP
ãƒªãƒ³ã‚¯
ã€ test ã€‘ æ¡ä»¶å¼ã®çœŸå½ã‚’åˆ¤å®šã™ã‚‹
æ¡ä»¶å¼ã‚’è©•ä¾¡ã—ï¼Œ0ï¼ˆçœŸï¼‰ã‹0ä»¥å¤–ï¼ˆå½ï¼‰ã®æˆ»ã‚Šå€¤ã‚’è¿”ã™ã€‚ä»¥ä¸‹ã®ä¾‹ã®ã‚ˆã†ã«ifã‚„whileã®æ¡ä»¶å¼ã®éƒ¨åˆ†ã«åŸ‹ã‚è¾¼ã‚€ã¨å¿œç”¨ãŒåŠ¹ãã€‚ãªãŠï¼Œä»¥ä¸‹ã®ä¾‹ã§ï¼Œifã®æ¡ä»¶å¼ã‚’testã‚³ãƒžãƒ³ãƒ‰ã‚’ä½¿ã‚ãªã„ã§è¨˜è¿°ã™ã‚‹ã¨ï¼Œã€Œ [ $? != 0 ] ã€ã«ãªã‚‹ã€‚
manji0112 2015/01/27
linux

shell

test
ãƒªãƒ³ã‚¯
Amazon Linux ã« R ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ - hiratake55 ã®ä½œæ¥ãƒ¡ãƒ¢
Amazon EC2 ä¸Šã® Amazon Linux (2012.03 64bit) ã« R 2.15.0 ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹æ–¹æ³•ã‚’ãƒ¡ãƒ¢ã€‚ 1. Yum ãƒ¬ãƒã‚¸ãƒˆãƒªã« CentOS-Base ã‚’è¿½åŠ ã€‚ Amazon Linux æ¨™æº–ã®ãƒ¬ãƒã‚¸ãƒˆãƒª (amzn-main, amzn-updates) ã«ã¯ã€R ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã«å¿…è¦ãª tk-devel xdg-utils ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒç™»éŒ²ã•ã‚Œã¦ã„ãªã„ãŸã‚ã€CentOS ã®ãƒ¬ãƒã‚¸ãƒˆãƒªã‚’è¿½åŠ ã—ã¾ã™ã€‚ root ã§ ä»¥ä¸‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ä½œæˆã€‚ # vi /etc/yum.repos.d/CentOS-Base.repo [base] name=CentOS-6 - Base mirrorlist=http://mirrorlist.centos.org/?release=6&arch=x86_64&repo=os enabled=0 gpgcheck=1
manji0112 2015/01/17
linux

aws

setup
ãƒªãƒ³ã‚¯
Failed to set locale, defaulting to C | Web EngiBeer
manji0112 2015/01/17
linux

ssh
ãƒªãƒ³ã‚¯
CentOS 6.2 ã« Chrome ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹
ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®å†…å®¹ã¯ã€ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ Google YUM ãƒªãƒã‚¸ãƒˆãƒªã‚’æœ‰åŠ¹ã«ã™ã‚‹ 64 bit ç‰ˆã®å ´åˆ 32 bit ç‰ˆã®å ´åˆ ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’èª¿ã¹ã‚‹ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ GPG ã‚ãƒ¼ã®å–å¾—ãŒã‚¿ã‚¤ãƒ ã‚¢ã‚¦ãƒˆ chrome ã®èµ·å‹• CentOS 6.2 ã« Chrome ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã¿ã¾ã—ãŸã€‚ Google YUM ãƒªãƒã‚¸ãƒˆãƒªã‚’æœ‰åŠ¹ã«ã™ã‚‹ /etc/yum.repos.d/google-chorme.repo ã‚’ä½œæˆã—ã¾ã™ã€‚ æ‰‹å‹•ã§ä½œæˆã—ã¾ã™ã€‚ sudo vim /etc/yum.repos.d/google-chorme.repo 64 bit ç‰ˆã®å ´åˆ /etc/yum.repos.d/google-chorme.repo ã«ä»¥ä¸‹ã®å†…å®¹ã‚’æ›¸ãè¾¼ã¿ã¾ã™ã€‚ [google-chrome] name=google-chrome - 64-bit baseurl=http://dl.go
manji0112 2015/01/16
Chrome

Linux

centos
ãƒªãƒ³ã‚¯
VirtualBoxã«ãŠã‘ã‚‹ä»®æƒ³ãƒžã‚·ãƒ³ã®ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯å®¹é‡ã‚’æ‹¡å¼µã™ã‚‹ãŸã‚ã®æ‰‹é †
VirtualBoxã§ã¯ã€ä»®æƒ³ãƒžã‚·ãƒ³ä½œæˆæ™‚ã«ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯å®¹é‡ã‚’æ±ºã‚ã¾ã™ãŒã€ä»®æƒ³ãƒžã‚·ãƒ³ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã¨ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯ã®å®¹é‡ãŒä¸è¶³ã—ã¦ãã‚‹ã“ã¨ãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ã“ã“ã§ã¯ã€ã“ã®ã‚ˆã†ãªå ´åˆã«ä»®æƒ³ãƒžã‚·ãƒ³ã®ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯å®¹é‡ã‚’æ‹¡å¼µã—ã¦å¢—ã‚„ã™ãŸã‚ã®æ‰‹é †ã‚’ãƒ¡ãƒ¢ã—ã¾ã™ã€‚ è©¦ã—ãŸç’°å¢ƒã¨ã‚„ã‚ŠãŸã„ã“ã¨ãƒ›ã‚¹ãƒˆOS : Mac OS X 10.9 (Marvericks)ãƒ‡ã‚£ã‚¹ã‚¯å®¹é‡ã‚’æ‹¡å¼µã—ãŸã„ä»®æƒ³ãƒžã‚·ãƒ³OS : Linux Mint 16ï¼ˆä»®æƒ³ãƒžã‚·ãƒ³åã‚’ã€Œmintiaã€ã¨ã—ã¦ã„ã¾ã™ï¼‰ä»¥ä¸Šã®ç’°å¢ƒã§ã€ä»®æƒ³ãƒžã‚·ãƒ³ã€Œmintiaã€ã®ç¾çŠ¶ã®ä»®æƒ³ãƒ‡ã‚£ã‚¹ã‚¯å®¹é‡8GBã‹ã‚‰ã€ã“ã‚Œã‚’20GBã¾ã§æ‹¡å¼µã—ã¦å¢—ã‚„ã—ã¾ã™ã€‚æ‰‹é †ã¨ã—ã¦ã¯ã€ãƒ›ã‚¹ãƒˆOSå´ã§ã®ä½œæ¥ã¨ã€ä»®æƒ³ãƒžã‚·ãƒ³ã®LiveCDå´ã§ã®ä½œæ¥ãŒå¿…è¦ã«ãªã‚Šã¾ã™ã€‚ ãƒ›ã‚¹ãƒˆOSã§ã®ä½œæ¥ãƒ›ã‚¹ãƒˆOSã§ã‚ã‚‹Macã§ã®ä½œæ¥ã§ã¯ã€VirutalBoxãŒç”¨æ„ã—ã¦ã„ã‚‹ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚‹ã€ŒVBoxManage
manji0112 2014/12/17
virtualbox

linux
ãƒªãƒ³ã‚¯
Bashã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§è‡ªåˆ†ã®çµ¶å¯¾ãƒ‘ã‚¹ã‚’å–å¾—
2011.8.25è¿½è¨˜ï¼š ãã‚Šã‚ƒã‚ã‚ã‚Šã¾ã™ã‚ˆãã€‚ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã®ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§æ¨™æº–ã§ä½¿ãˆã‚‹ã‚ˆã†ãªã‚‰ã°å¯èªæ€§ã‚‚é«˜ã„ã—ã“ã¡ã‚‰ã®æ–¹ãŒã‚ˆã„ã¨æ€ã„ã¾ã™ã€‚ åƒ•ã¯ã“ã‚Œã‹ã‚‰ä½œã‚‹ã‚‚ã®ã¯ãŸã¶ã‚“readlinkã«ä¹—ã‚Šæ›ãˆã¾ã™ã€‚masaruyokoiæ§˜ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ ã‚³ãƒ¡ãƒ³ãƒˆã§æ•™ãˆã¦ã„ãŸã ãã¾ã—ãŸã€‚ masaruyokoi on 2011å¹´8æœˆ25æ—¥(æœ¨æ›œæ—¥) at 12:06 said readlink -f ã‚„ -e ã‚’ä½¿ã†ã¨è‰¯ã„ã§ã™ã‚ˆã€‚ Debian ã‚„ FreeBSD ã§ã¯ realpath ã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ã‚‚ã‚ã‚Šã¾ã™ã€‚ ä»¥ä¸‹ã¯ã‚ªãƒªã‚¸ãƒŠãƒ«ã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚ ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã§è‡ªåˆ†ã®çµ¶å¯¾ãƒ‘ã‚¹ã‚’çŸ¥ã‚‹æ–¹æ³•ã¯ã“ã‚“ãªæ–¹æ³•ã—ã‹ãªã„ã‚“ã ã‚ã†ã‹ï¼Ÿ #!/bin/sh D=`dirname $0` echo `cd $D;pwd` Pythonã ã¨ã—ã‚‡ã£ã¡ã‚…ã†æ›¸ã„ã¦ã‚‹ã‚¢ãƒ¬ã€‚ #!/usr/bin/env/ python
manji0112 2014/08/28
linux

çµ¶å¯¾ãƒ‘ã‚¹
ãƒªãƒ³ã‚¯
è£œåŠ©ã‚³ãƒžãƒ³ãƒ‰ã¯ /usr/libexec ã« - ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ç¾å½¹ç¶šè¡Œ
Unixç³»OSã§ã¯ã€ã‚³ãƒžãƒ³ãƒ‰ã«ã‚ˆã£ã¦ç™»éŒ²ã•ã‚Œã¦ã„ã‚‹ãƒ‘ã‚¹ãŒé•ã„ã¾ã™ã€‚ ä¸€èˆ¬çš„ã«/binä»¥ä¸‹ã«ã‚ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã¯ã€ãã®Linuxãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã«ã¨ã£ã¦åŸºæœ¬çš„ãªã‚³ãƒžãƒ³ãƒ‰ã‚’æŒ‡ã—ã¾ã™ã€‚ã¾ãŸ/usrä»¥ä¸‹ã«ã¯/usr/binã¨/usr/sbinã®2ç¨®é¡žãŒã‚ã‚Šã¾ã™ã€‚/usr/binä»¥ä¸‹ã«å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ãŒã‚ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã¯ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚³ãƒžãƒ³ãƒ‰ã¨å‘¼ã°ã‚Œã€ä¸€èˆ¬ãƒ¦ãƒ¼ã‚¶ãŒä½¿ã†ã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ãã—ã¦/usr/local/binä»¥ä¸‹ã®ã‚³ãƒžãƒ³ãƒ‰ã¯ã€åŸºæœ¬çš„ã«ã¯è¿½åŠ ã§å°Žå…¥ã™ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã‚’æ ¼ç´ã™ã‚‹å ´æ‰€ã§ã™ã€‚ ã§ã¯ã€/usr/local/binãªã©ã«ã‚ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã‹ã‚‰å†…éƒ¨çš„ã«å‘¼ã°ã‚Œã‚‹è£œåŠ©ã‚³ãƒžãƒ³ãƒ‰ã¯ã©ã“ã«ç½®ãã‹ã¨ã„ã†ã¨ã€/usr/libexecã¾ãŸã¯/usr/local/libexecã«ç½®ãã®ãŒä¸€èˆ¬çš„ãªã‚ˆã†ã§ã™ã€‚ã‚ã¾ã‚ŠçŸ¥ã‚‰ã‚Œã¦ã„ã¾ã›ã‚“ãŒã€ãã®ã‚ˆã†ã§ã™ã€‚åƒ•ã‚‚ã‚ã‚‹Linuxãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚¿ãƒ¼ã‹ã‚‰æœ€è¿‘æ•™ãˆã¦ã‚‚ã‚‰ã„ã¾ã—ãŸã€‚ ä¾‹ãˆã°ã€gccãƒ‘ãƒƒã‚±ãƒ¼
manji0112 2014/07/21
linux
ãƒªãƒ³ã‚¯
sed Nã‚³ãƒžãƒ³ãƒ‰ã®å‹•ä½œ ï¼ˆæ¬¡ã®è¡Œã‚’èªã¿è¾¼ã‚“ã§ã€ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚¹ãƒšãƒ¼ã‚¹ã«è¿½åŠ ï¼‰ã€Linuxã‚³ãƒžãƒ³ãƒ‰ã€‘ : morituriã®ãƒ–ãƒã‚°
å…ƒã®ãƒ†ã‚ã‚¹ãƒˆ $ cat sample.txt 1Â [.exe 2Â a2p.exe 3Â addftinfo.exe 4Â afmtodit 5Â apropos 6Â arch.exe 7Â ascii.exe 8Â ash.exe 9Â awk 10Â banner.exe 3è¡Œç›®ã§æ¬¡ã®è¡Œã‚’å…ˆèªã¿ã€‚ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚¹ãƒšãƒ¼ã‚¹ã®è‡ªå‹•å‡ºåŠ›ã«ã¯å½±éŸ¿ã‚’ä¸Žãˆãªã„ãŸã‚ã€çµæžœã¯å…ƒã®ãƒ†ã‚ã‚¹ãƒˆã®ã¾ã¾ã€‚ $ sed '3N' sample.txt 1Â [.exe 2Â a2p.exe 3Â addftinfo.exe 4Â afmtodit 5Â apropos 6Â arch.exe 7Â ascii.exe 8Â ash.exe 9Â awk 10Â banner.exe 3è¡Œç›®ã§æ¬¡ã®è¡Œã‚’å…ˆèªã¿ã€‚è‡ªå‹•å‡ºåŠ›ã‚’æŠ‘åˆ¶ï¼ˆ-n ã‚ªãƒ—ã‚·ãƒ§ãƒ³ï¼‰ã—ã€pã‚³ãƒžãƒ³ãƒ‰ã§æ˜Žç¤ºçš„ã«ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚¹ãƒšãƒ¼ã‚¹ã‚’å‡ºåŠ›ã™ã‚‹ï¼ˆã€Œ;ã€ã§åŒºåˆ‡ã£ã¦ã‚³ãƒžãƒ³ãƒ‰
manji0112 2014/01/03
linux

sed
ãƒªãƒ³ã‚¯
linuxãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° (netstatã«ã‚ˆã‚‹nwã®èª¿æŸ») - end0tknr's kipple - webå†™çµŒé–‹ç™º
web+db press no.34 ã«å‚è€ƒã«ãªã‚‹è¨˜äº‹ãŒè¨˜è¼‰ã•ã‚Œã¦ã„ãŸã®ã§ã€ä»Šå›žã¯lanå†…ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’è©¦ã—ã¦ã¿ã¾ã™ã€‚ netstat -e ã«ã‚ˆã‚‹ ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹æ¯Žã®ç¢ºèª lanã®å ´åˆã€netstat -e ã§ nicæ¯Žã®é€šä¿¡é‡ã¨ã‚¨ãƒ©ãƒ¼ã‚’ç¢ºèªã™ã‚‹ãã†ã§ã™ã€‚ ç§ã®colinuxç’°å¢ƒã§ã“ã‚Œã‚’å®Ÿè¡Œã™ã‚‹ã¨ã€æ¬¡ã®ã‚ˆã†ã«è¡¨ç¤ºã•ã‚Œã¾ã—ãŸã€‚ [colinux ~]$ netstat -e -Ieth0 30 Kernel Interface table eth0 Link encap:Ethernet HWaddr 00:FF:33:C4:DC:00 inet addr:192.168.0.5 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::2ff:33ff:fec4:dc00/64 Scope:Link UP BROADCAST RU
manji0112 2014/01/02
ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

linux
ãƒªãƒ³ã‚¯
iBusãŒã‚¯ã‚½ã«ãªã£ãŸç†ç”± â€” KaoriYa
Xubuntu ã‚’ 13.10 ã¸ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã—ãŸã‚‰æ—¥æœ¬èªžå…¥åŠ›(iBus)ãŒã‚¯ã‚½ã«ãªã£ãŸã®ã§ãã®ç†ç”±ã‚’èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ Xubuntu ã‚’ 13.10 ã¸ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã—ãŸã‚‰æ—¥æœ¬èªžå…¥åŠ›(iBus)ãŒã‚¯ã‚½(1.5)ã«ãªã‚Šã¾ã—ãŸã€‚ã©ã‚“ãªã«ã‚¯ã‚½ã‹ã¯ iBus 1.5ãŒã‚¯ã‚½ã™ãŽã‚‹ ã«è²ã‚‹ã¨ã—ã¦ã€ç§ã¯ã©ã†ã—ã¦ãã†ãªã£ãŸã®ã‹ (ã‚ã‚ã‚ˆãã°ã©ã†ã™ã‚Œã°ç›´ã‚‹ã®ã‹) ã‚’çœŸå¤œä¸ã«èª¿ã¹ã¦ã¾ã—ãŸã®ã§ãã®æˆæžœã‚’è¨˜ã—ã¦ãŠã“ã†ã¨æ€ã„ã¾ã™ã€‚ ç§ã®å ´åˆ Vim ã§IMEã‚’åˆ¶å¾¡ ã§ããªã„ã“ã¨ã§å•é¡ŒãŒæ ¹æ·±ã„ã“ã¨ã‚’çŸ¥ã‚Šã¾ã—ãŸã€‚èª¿ã¹ã¦ã¿ã‚‹ã¨ InputContext ã¨ã„ã†ã‚¯ãƒ©ã‚¹ã‹ã‚‰ is_enabled(), enable(), disable() ã®3ã¤ã®ãƒ¡ã‚½ãƒƒãƒ‰ãŒæ¶ˆãˆã¦ã„ã¾ã—ãŸã€‚ã“ã‚Œã‚‰ã®ãƒ¡ã‚½ãƒƒãƒ‰ã¯ç«¯çš„ã«è¨€ã†ã¨æ—¥æœ¬èªžã®çŠ¶æ…‹ã‚’å–å¾—ã€æœ‰åŠ¹åŒ–ã€ç„¡åŠ¹åŒ–ã™ã‚‹ã‚‚ã®ã§ã™ã€‚ã†ã‚“ã‚‚ã†IMEåˆ¶å¾¡ãªã‚“ã¦ã§ãã¾ã›ã‚“ã€‚ã¡ãªã¿ã« ãã®ä¿®æ£ãŒè¡Œã‚ã‚ŒãŸã®ã¯ç´„2å¹´
manji0112 2013/10/29
linux

ime
ãƒªãƒ³ã‚¯
Linux ã§ãƒ•ã‚¡ã‚¤ãƒ«ã®å¤‰æ›´ã‚’æ¤œå‡ºã™ã‚‹(inotify/fanotify)
inotify (inode-based file event notifications) inotify ã¯ Linux 2.6.13 ã‹ã‚‰ãƒžãƒ¼ã‚¸ã•ã‚ŒãŸãƒ•ã‚¡ã‚¤ãƒ«å ±å‘Šæ©Ÿèƒ½ã§ã€æŒ‡å®šã—ãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®ç›´ä¸‹ã«ã‚ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚„ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚’ç›£è¦–ã§ãã‚‹ã€‚ ç›£è¦–å¯¾è±¡ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªæ¨©é™ã•ãˆã‚ã‚Œã°ç›£è¦–ãŒå¯èƒ½ã€‚ ãŸã ã—æŒ‡å®šãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‹ã‚‰å†å¸°çš„ã«ç›£è¦–ã™ã‚‹ã“ã¨ã¯ã§ããªã„ã€‚ inotify ã®ç›£è¦–ã®æµã‚Œä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚‹ã€‚ inotify_init ã‚’å®Ÿè¡Œã—ã¦ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿(fd)ã‚’å¾—ã‚‹ã€‚ inotify_add_watch ã‚’ä½¿ã£ã¦ç›£è¦–ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒª(watching directory; wd) ã‚’ç™»éŒ²ã™ã‚‹ã€‚ç›£è¦–ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã¯è¤‡æ•°ç™»éŒ²ã§ãã‚‹ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«å¤‰æ›´ã‚¤ãƒ™ãƒ³ãƒˆã¯ fd ã‚’ read ã§èªã‚€ã“ã¨ã§å¯èƒ½ã§ã‚ã‚‹ã€‚ãƒ•ã‚¡ã‚¤ãƒ«ãŒæ›´æ–°ã™ã‚‹ã‚¿ã‚¤ãƒŸãƒ³ã‚°ã¯ fd ã‚’ selectã€pollã€epoll ã§ã‚‚ç›£è¦–ã§ãã‚‹ã€‚
manji0112 2013/09/09
linux

inotify
ãƒªãƒ³ã‚¯
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