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Makuake(マクアケ)
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ãƒãƒƒã‚«ãƒ¼ãŒ2分以内ã«ãƒžãƒ«ã‚¦ã‚§ã‚¢ã‚’埋ã‚è¾¼ã‚ã‚‹BIOSã®è„†å¼±æ€§ãŒç™ºè¦‹ã•ã‚Œã‚‹ - GIGAZINE
By Scott Vandehey Basic Input/Output Systemã®ç•¥ã§ã‚ã‚‹BIOS(ãƒã‚¤ã‚ªã‚¹)ã¨ã¯ã€ãƒžã‚¶ãƒ¼ãƒœãƒ¼ãƒ‰ä¸Šã®ROMã«æ載ã•ã‚Œã¦ã„るプãƒã‚°ãƒ©ãƒ ã®ã“ã¨ã§ã€OSãŒèµ·å‹•ã™ã‚‹å‰ã«ã‚ーボードã€ãƒžã‚¦ã‚¹ã€CPUãªã©ã®ç®¡ç†ã‚„制御を行ã£ã¦ã„ã¾ã™ã€‚ãã®BIOSã‚’2分以下ã§ãƒãƒƒã‚ングå¯èƒ½ã«ã™ã‚‹è„†å¼±æ€§ãŒã€ã‚»ã‚ュリティ調査員ã«ã‚ˆã‚Šæ˜Žã‚‰ã‹ã«ãªã‚Šã¾ã—ãŸã€‚ Noobs can pwn world's most popular BIOSes in two minutes • The Register http://www.theregister.co.uk/2015/03/19/cansecwest_talk_bioses_hack/ Hacking BIOS Chips Isn't Just the NSA's Domain Anymore | WIRED http://www.wired.c
「◯◯時ã‹ã‚‰XX時ã¾ã§ã®é–“ã®ãƒã‚°ã‚’抽出ã€ã¨ã„ã†ã‚ˆã†ãªã€æ™‚é–“ã§æŒ‡å®šãŒã§ãる『timegrepã€ã‚³ãƒžãƒ³ãƒ‰ | 俺的備忘録 〜ãªã‚“ã‹ã„ã‚ã„ã‚〜
ãƒã‚°ã‚’閲覧ã™ã‚‹éš›ã€ã€Œâ—¯æœˆâ—¯æ—¥ã®â—¯æ™‚～☓時ã¾ã§ã®é–“ã€ã®ãƒã‚°ã‚’見ãŸã„ã¨ã„ã†äº‹ãŒã‚ã‚‹ã ã‚ã†ã€‚ ãã‚“ãªæ™‚便利ãªã®ãŒã€ä»Šå›žç´¹ä»‹ã™ã‚‹timegrepコマンドã 。ã“ã‚Œã¯ã€ã¾ã•ã«ãã®æ™‚間を指定ã—ã¦ãƒã‚°ã‚’抽出ã™ã‚‹ã“ã¨ãŒã§ãるコマンドã 。 今回ã¯ã€CentOS 7ã«ã“ã®ã‚³ãƒžãƒ³ãƒ‰ã‚’インストールã—ã¦ã€å®Ÿéš›ã«åˆ©ç”¨ã—ã¦ã¿ã‚‹ã“ã¨ã«ã™ã‚‹ã€‚ 1.インストール ã¾ãšã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‹ã‚‰ã€‚以下ã®ã‚³ãƒžãƒ³ãƒ‰ã‚’実行ã—ã€å®Ÿè¡Œãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã€é…置を行ã†ã€‚ git clone https://github.com/linux-wizard/timegrep cp ./timegrep/timegrep /usr/bin/ 2.コマンドã®å®Ÿè¡Œ ã•ã¦ã€ãã‚Œã§ã¯å®Ÿéš›ã«ã‚³ãƒžãƒ³ãƒ‰ã‚’実行ã—ã¦ã¿ã‚ˆã†ã€‚ コマンドã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ã«å®Ÿè¡Œã™ã‚‹ã¨ã‚ˆã„。 timegrep -d yyyy-mm-dd --start-time=XX:XX --end-time
Stop using tail -f (mostly)
Stop using tail -f (mostly) 12 Mar 2015 I still see a lot of people using tail -f to monitor files that are changing, mostly log files. If you are one of them, let me show you a better alternative: less +F The less documentation explains well what this +F is all about: Scroll forward, and keep trying to read when the end of file is reached. Normally this command would be used when already at the e
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