#dockerlt ã§ã®çºè¡¨è³æã§ãã http://connpass.com/event/20561/Read less
#dockerlt ã§ã®çºè¡¨è³æã§ãã http://connpass.com/event/20561/Read less
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é»å管çã¬ã¤ã 1. æ¦è¦ Expand section "1. æ¦è¦" Collapse section "1. æ¦è¦" 1.1. é»å管çã®éè¦æ§ 1.2. é»å管çã®åºç¤ 2. é»å管çã®ç£æ»ã¨åæ Expand section "2. é»å管çã®ç£æ»ã¨åæ" Collapse section "2. é»å管çã®ç£æ»ã¨åæ" 2.1. ç£æ»ã¨åæã®æ¦è¦ 2.2. PowerTOP 2.3. Diskdevstat 㨠netdevstat 2.4. Battery Life Tool Kit 2.5. Tuned ããã³ ktune Expand section "2.5. Tuned ããã³ ktune" Collapse section "2.5. Tuned ããã³ ktune" 2.5.1. tuned.conf ãã¡ã¤ã« 2.5.2. Tuned-adm 2.6. Devi
CentOS 6 㧠Reverse Path Filtering (rp_filter) ãç¡å¹ã«ããæ¹æ³ã¯ä»¥ä¸ã®éãã /etc/sysctl.conf ãä¿®æ£ net.ipv4.conf.default.rp_filter = 0 ãããæå¹( = 1 )ã«ãªã£ã¦ããã¨ãLinuxã«ã¼ã¿ã¼ãè¤æ°å°ä½¿ã£ã¦ã«ã¼ãã£ã³ã°ãããå ´å çµç±ããLinuxã«ã¼ã¿ã¼ã®ã«ã¼ãã£ã³ã°ãã¼ãã«ã¨ã¯éæ¹åã ã¨ã¿ãªããããã±ãããç ´æ£ããã¦ãã¾ãã ä¾ãã°ãçµç±ããLinuxã«ã¼ã¿ã¼ãä¿æããªããããã¯ã¼ã¯ãéä¿¡å ã¨ãããã±ããã ããã©ã«ãã«ã¼ãå´ãã転éããã¦ããå ´åã«ããã±ãããç ´æ£ããã¦ãã¾ãã ç°å¢ï¼ CentOS 6.3 (x86_64)
13.1. æ»ãçµè·¯ãã£ã«ã¿ (Reverse Path Filtering)ããã©ã«ãã§ã¯ãã«ã¼ã¿ã¯ãã¹ã¦ãã«ã¼ãã£ã³ã°ãã¾ãã ãã±ããããæããã«ãèªåã®ãããã¯ã¼ã¯ã«ã¯å±ãã¦ããªãã¦ãã§ãã ããããä¾ã¯ããã©ã¤ãã¼ãã® IP 空éãã¤ã³ã¿ã¼ãããã«æ¼ãã¦ãã¾ãåé¡ã§ãã 195.96.96.0/24 ã«åããçµè·¯ãããã¤ã³ã¿ã¼ãã§ã¼ã¹ã«å¯¾ãã¦ã¯ã 212.64.94.1 ããçºãããã±ããã¯ãæ¬æ¥å°çããªãã¯ãã§ãã ã»ã¨ãã©ã®äººã¯ãã®æ©è½ãç¡å¹ã«ãããã¨æãã¯ãã§ãããã ã«ã¼ãã«ããã«ã¼éã¯ãããç°¡åã§ããããã«ãã¦ããã¾ããã /proc 以ä¸ã«ãããã¡ã¤ã«ã使ãã¨ãã«ã¼ãã«ã«å¯¾ãã¦ãã®æ示ãã§ãã¾ãã ãã®æ¹æ³ã¯æ»ãçµè·¯ãã£ã«ã¿ (Reverse Path Filtering) ã¨å¼ã°ãã¦ãã¾ããåºæ¬çã«ã¯ããããã±ããã«å¯¾ããè¿ä¿¡ãã ãã®ãã±ããã®å ¥ã£ã¦ããã¤ã³ã¿ã¼ã
linux ãããã¯ã¼ã¯ã»ãã¥ãªãã£ã®ãã¨ã¯ãããã¿ãããªãã¼ã¸ã« /proc/sys/net/conf/eth#/rpfilter 㯠1 ã«ãã¾ãããããããäºãæ¸ããã¦ãããç²ç®çã«ãã¼ãã¼ã¢ã³ãã¨ä¿¡ãã¦ããã LSRR 試ãå§ãã¦ãµã¨æ°ã«ãªã£ãã æ¬æ¥ãªãã° net/ipv4/fib_frontend.c ã® fib_validate_source() ããã ãã ã¨èªã¿ããã¨ãããªã®ã ã... Understanding Linux Network Internals ã®åãåããå§æ«ãæ°ãå ¥ã£ã¦ããããã¤ã¹ã®çµè·¯ã調ã¹ã¦ããã®ããã¤ã¹ãçµç±ããå°éã®å¯å¦ãå¤æ --- Reverse Path Filter --- ã¨ãããã¨ããããæ·ããèªèº«ã®çµè·¯ã示ãã¨# ip route ls 172.27.202.0/24 via 172.27.129.1 dev eth0 proto
Iâve been exploring AT Protocol and BlueSky a bunch lately and while I agree with his goals, I think Doctorow may be wrong about BlueSky because of the AT Protocol. https://pluralistic.net/2024/11/02/ulysses-pact/#tie-yourself-to-a-federated-mast BlueSky feels more like a popular RSS reader on top of the AT Protocol than it is a platform thatâs easy to create lock-in. One example is ads, if they w
GPUãç¨ããSSLãªãã¼ã¹ãããã·ã®å®è£ ã«ã¤ã㦠- ããããããã° 100Gbpsã½ããã¦ã§ã¢ã«ã¼ã¿ã®å®ç¾å¯è½æ§ã«é¢ããè«æ - ããããããã° ã®ç¶ãã§ï¼æè¿è«æèªãã ãã¤ã®ããã¸ã§ã¯ãã®ç´¹ä»ã§ãï¼ æ¦è¦ ä»ã®æ±ç¨OSã¯é«éãªãã±ããI/Oãèæ ®ãã¦ãªãï¼ 20å¹´åã®APIããã®ã¾ã¾ä½¿ã£ã¦ããï¼ ãããã¯ã¼ã¯ãã©ãã©ãé«éã«ãªã£ã¦ããã®ã§ï¼NICã¨ãOSã«ã¼ãã«ã®ãã±ããå¦çãããã«ããã¯ã«ãªã£ã¦ãï¼ (http://news.mynavi.jp/news/2013/04/04/094/index.html) ããããã®è§£æ±ºããããã«æ¢åææ³ãããããããï¼ Linux packet mmap - IwzWiki Linux Kernel Documentation :: networking : packet_mmap.txt DNA (Direct NIC Access) Pac
1. RHDè£è¶³è³æ ï¼Pagecache/swapï¼ 2008/7/11 Tatsuo Kawasaki 1 @kernel023 Rev RH236-20080711 Tatsuo Kawasaki 2. 1. ã¢ãã¬ã¹ã«ã¤ãã¦ã®å¾©ç¿(1) ⢠ã¡ã¢ãªã¨ãã¼ã¸ ⢠ç©çã¡ã¢ãªã®ä½ç½®ã表ç¾ããç©çã¢ãã¬ã¹ ⢠ã¢ã¼ããã¯ãã£æ¯ã«ç°ãªããªãã¢ã¢ãã¬ã¹ (x86=32bit= ç´ 4G,x86_64=64bit=16EBâ») ⢠ä¸è¨ã¢ãã¬ã¹ã®å¦ç㯠H/W ã®ã¡ã¢ãªç®¡çã¦ããã (MMU) ã§è¡ã ⢠å¤æãã¼ãã«ã¯ã«ã¼ãã«ãç¨æãã¦ãã ⢠ã¢ã¼ããã¯ãã£æ¯ã«ã¡ã¢ãªãæ±ãåä½ã決ã¾ã£ã¦ãã ï¼ãã¼ã¸ãµã¤ãº (x86,x86_64=4KB, IA64= ã«ã¼ãã«æ§ç¯æã«é¸æå¯ :8k,16k.. ç ) 2 â» ç¾å¨ã® CPU ã¢ã¼ããã¯ãã£ã§ã¯ 16EB ã®å ¨ã¦ã¯ã¦ã¼ã¶ã¼ / ã«ã¼ãã«ã¡
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