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

Naruhodius id:Naruhodius

linuxã¨sysadminã«é–¢ã™ã‚‹Naruhodiusã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (32)

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iperfã®ä½¿ã„æ–¹ | CCNAå¯¾ç–ã‹ã‚‰å¦ã¶ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é‹ç”¨ã‚¬ã‚¤ãƒ‰
iperfï¼ˆã‚¢ã‚¤ãƒ‘ãƒ¼ãƒ•ï¼‰ã¯ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’æ¸¬å®šã™ã‚‹ãŸã‚ã®ãƒ•ãƒªãƒ¼ã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã™ã€‚ TCP/UDPã®ãƒ—ãƒãƒˆã‚³ãƒ«ã‚„é€šä¿¡å…ˆãƒãƒ¼ãƒˆç•ªå·ã‚’æŒ‡å®šã§ãã‚‹ãªã©æ§˜ã€…ãªã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒå‚™ã‚ã£ã¦ãŠã‚Šã€ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆæ¸¬å®šã®ä»–ã«ã€éšœå®³ç™ºç”Ÿæ™‚ã®ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ãªã©ã«ã‚‚ã‚ˆãä½¿ã‚ã‚Œã¾ã™ã€‚ ãã®ãŸã‚ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æŠ€è¡“è€…å¿…é ˆã®ãƒ„ãƒ¼ãƒ«ã®ã²ã¨ã¤ã¨è¨€ã£ã¦ã‚‚éŽè¨€ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ ã“ã®æ©Ÿä¼šã«ãœã²ã€iperfã®ä½¿ã„æ–¹ã‚‚è¦šãˆã¦ãŠãã¾ã—ã‚‡ã†ã€‚ iperfãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ ä¸‹è¨˜ã‚µã‚¤ãƒˆã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã§ãã¾ã™ã€‚ï¼ˆ2011å¹´5æœˆç¾åœ¨ï¼‰ http://linhost.info/2010/02/ipâ€¦â€¦n-windows/ iperfã¯ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ™ãƒ¼ã‚¹ã®ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚Šã€Windowsä¸Šã§ä½¿ç”¨ã™ã‚‹å ´åˆã¯é€šå¸¸ã€ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆã‹ã‚‰å®Ÿè¡Œã™ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ãŸã‚‰ãƒ„ãƒ¼ãƒ«ã‚’å®Ÿè¡Œã—ã‚„ã™ã„ã‚ˆã†ã€ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆã®åˆæœŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«å®Ÿè¡Œ
Naruhodius 2014/11/04
linux

sysadmin
ãƒªãƒ³ã‚¯
Linuxã‚µãƒ¼ãƒãƒ¼ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€Ÿåº¦è¨ˆæ¸¬ãƒ„ãƒ¼ãƒ«ï¼ iperf
Linuxã‚µãƒ¼ãƒãƒ¼ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€Ÿåº¦ã‚’è¨ˆæ¸¬ã™ã‚‹æ–¹æ³• linuxã‚µãƒ¼ãƒãƒ¼ã®å ´åˆã€åŸºæœ¬çš„ã«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰ã‚µãƒ¼ãƒãƒ¼ã¸ã®é€Ÿåº¦ãŒã©ã‚Œãã‚‰ã„å‡ºã¦ã„ã‚‹ã®ã‹ã€å¸¯åŸŸåˆ¶é™ã¯æŽ›ã‹ã£ã¦ã„ãªã„ã‹ãªã©ã¯ã€ã‚³ãƒžãƒ³ãƒ‰ãƒ™ãƒ¼ã‚¹ã§è¨ˆæ¸¬ã™ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ãŸã ã€iperfã¨ã„ã†ä¾¿åˆ©ãªãƒ„ãƒ¼ãƒ«ãŒã‚ã£ã¦ã€ã“ã‚Œã‚’ä½¿ã†ã¨ã€ç°¡å˜ã«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰ã‚µãƒ¼ãƒãƒ¼ã¸ã®é€šä¿¡é€Ÿåº¦ã‚’è¨ˆæ¸¬ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚è² è·ãŒã‹ã‹ã£ã¦ã‚µãƒ¼ãƒãƒ¼ã®å¿œç”ãŒé…ã„ã®ã«ã€ã‚µãƒ¼ãƒãƒ¼ã®ãƒªã‚½ãƒ¼ã‚¹ã¯ã‚¹ã‚«ã‚¹ã‚«ã€ãªã©ã®çŠ¶æ…‹ã®æ™‚ã«ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã£ã¦ã„ã‚‹ã‹ã®åˆ¤å®šã«ãœã²ã”æ´»ç”¨ãã ã•ã„ã€‚ iperfã®å°Žå…¥ iprefã¯ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã‚µãƒ¼ãƒãƒ¼ã®ä¸¡æ–¹ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚æ®‹å¿µãªãŒã‚‰ã€CentOSã®æ¨™æº–ã®YUMãƒ¬ãƒã‚¸ãƒˆãƒªã«ã¯å…¥ã£ã¦ã„ã¾ã›ã‚“ã€‚ãŸã ã€CentOS6ï¼ˆ64bitï¼‰ç”¨ã®RPMã‚’ç§ã®YUMãƒ¬ãƒã‚¸ãƒˆãƒªã«ãŠã„ã¦ãŠãã¾ã—ãŸã®ã§ã€ã”è‡ªç”±ã«ã”æ´»ç”¨ãã ã•ã„ã€‚ http://www.
Naruhodius 2014/11/04
linux

sysadmin
ãƒªãƒ³ã‚¯
ã„ã¾ã™ãå®Ÿè·µ! Linuxã‚·ã‚¹ãƒ†ãƒ ç®¡ç†
ã€Œã„ã¾ã™ãå®Ÿè·µ! Linux ã‚·ã‚¹ãƒ†ãƒ ç®¡ç†ã€ã¯ã“ã¡ã‚‰ã§ã™ã€‚ ãƒ¡ãƒ«ãƒžã‚¬ã®è§£é™¤ã€ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ãªã©ã‚‚ã€ä»¥ä¸‹ã‹ã‚‰ã©ã†ãžã€‚ https://www.usupi.org/sysad/ (ã¾ãã¾ã ID:149633) ãã®ä»–ã€ä½œè€…ã«é–¢ã™ã‚‹ãƒšãƒ¼ã‚¸ã¯ã€æ¦‚ãä»¥ä¸‹ã«ã”ã–ã„ã¾ã™ã€‚ https://www.usupi.org/kuri/ (ã¾ãã¾ã ID:126454) http://usupi.seesaa.net/ (æ —æ—¥è¨˜ãƒ–ãƒã‚°) https://twitter.com/kuriking/ (twitter) https://facebook.com/kuriking3 (facebook) https://jp.pinterest.com/kuriking/pinterest) https://www.instagram.com/kuri_king_/ (instagram) [ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ã®ãƒˆãƒƒãƒ—ã¸
Naruhodius 2014/06/06
luks

cryptography

filesystem

linux

sysadmin
ãƒªãƒ³ã‚¯
(Linux)LUKSã§ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’æš—å·åŒ–ã—ã¦ã¿ãŸ | old_3æµãƒ—ãƒã‚°ãƒ©ãƒžã®ãƒ¡ãƒ¢æ›¸ã
ã•ãã‚‰ã®VPS 1G(CentOS6.3 x64) ã§sambaã‚’ä½¿ã£ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã‚µãƒ¼ãƒã‚’ç«‹ã¦ã‚ˆã†ã¨æ€ã£ãŸã‚“ã§ã™ãŒã€é‡è¦ãªãƒ‡ãƒ¼ã‚¿ã‚‚ç½®ãã“ã¨ãŒã‚ã‚‹ãŸã‚ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãƒ¬ãƒ™ãƒ«ã§æš—å·åŒ–ã‚’ã—ã¦è¦‹ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ ã•ãã‚‰ã®VPSã¯æ¨™æº–OS(ãƒ—ãƒ¬ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«)ã§ã¯ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ãŒæ—¢ã«ãã‚‰ã‚Œã¦ã„ã‚‹ã®ã§ã€ä¸€æ—¦ã‚«ã‚¹ã‚¿ãƒ OSã§å†ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’è¡Œã„ã€æš—å·åŒ–ç”¨ã®ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã‚’ä½œæˆã—ã¦ãŠãã¾ã™ã€‚(ä»Šå›žä½¿ã†dm-cryptã¯ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã«å¯¾ã—ã¦æš—å·åŒ–ã‚’ã‹ã‘ã‚‹ä»•çµ„ã¿ãªã®ã§ã€æš—å·åŒ–ã‚’ã‹ã‘ã‚‹ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã‚’ç”¨æ„ã™ã‚‹å¿…è¦æœ‰ã‚Š) ä»Šå›žã¯ä»¥ä¸‹ã®æ§˜ãªãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã—ãŸã€‚ (fdiskå¾Œç¶™ã® parted ã§ç¢ºèªã—ãŸæ™‚ã®ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³æƒ…å ±ã§ã™ã€‚ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ãƒ†ãƒ¼ãƒ–ãƒ«ãŒGPTãªã‚‚ã‚“ã§...) # parted /dev/vda (parted) print Model: Virtio Block Device
Naruhodius 2014/06/06
luks

cryptography

filesystem

linux

sysadmin
ãƒªãƒ³ã‚¯
Linux ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å®‰å…¨ã«åˆ©ç”¨ã™ã‚‹ãŸã‚ã®åŸºæœ¬ã€‚ - D.
ã“ã‚Œã‚‰ã¯ã™ã¹ã¦åŸºæœ¬ä¸ã®åŸºæœ¬ã€çµ¶å¯¾ã«å®ˆã‚‹ã¹ãåŽŸå‰‡ã¨è¨€ã£ã¦ã‚‚è‰¯ã„å†…å®¹ã§ã‚ã‚‹ã€‚ã—ã‹ã—ãªãŒã‚‰ä¼æ¥ã‚„å¦æ ¡ã®å†…éƒ¨ç‰ã§ã¯ã“ã‚Œã‚‰ãŒéµå®ˆã•ã‚Œã¦ã„ãªã„ã‚ˆã†ãªå ´é¢ã‚‚å¤šã€…è¦‹å—ã‘ã‚‰ã‚Œã‚‹ãŸã‚ã€ã“ã“ã«æ›¸ãè¨˜ã—ã¦ãŠãã€‚ root ãƒã‚°ã‚¤ãƒ³ã‚’é¿ã‘ã€ç®¡ç†ä½œæ¥ã«ã¯ sudo ã‚’åˆ©ç”¨ã™ã‚‹ã€‚ root ãƒã‚°ã‚¤ãƒ³ã‚’é¿ã‘ sudo ã‚’ä½¿ã†ã‚ˆã†ã«ã™ã‚‹ã€‚æœ€è¿‘ã® Linux ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯æ¨™æº–ã§ sudo ãŒå…¥ã£ã¦ã„ã‚‹ã“ã¨ãŒå¤šã„ã€‚ /etc/sudoers ã§ä»¥ä¸‹ã®ã‚ˆã†ã« sudo åˆ©ç”¨å¯èƒ½ãªã‚°ãƒ«ãƒ¼ãƒ—ã‚’å®šç¾©ã™ã‚‹ã€‚ root ALL=(ALL) ALL %wheel ALL=(ALL) ALL %admin ALL=(ALL) ALL wheel ã‚°ãƒ«ãƒ¼ãƒ—ã«å±žã™ã‚‹ãƒ¦ãƒ¼ã‚¶ãƒ¼ã¯ su ã‚’åˆ©ç”¨ã§ãã‚‹è¨å®šã«ãªã£ã¦ã„ã‚‹ã“ã¨ãŒå¤šã„ã€‚ãã“ã§æ–°ã—ã admin ã‚°ãƒ«ãƒ¼ãƒ—ã‚’è¿½åŠ ã—ã€ç®¡ç†è€…ã®é€šå¸¸åˆ©ç”¨ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚’ãã®ã‚°ãƒ«ãƒ¼ãƒ—ã«æ‰€å±žã•ã›ã‚‹ã®ãŒè‰¯ã„ã ã‚ã†ã€‚
Naruhodius 2012/01/17
linux

sysadmin
ãƒªãƒ³ã‚¯
Linux cryptsetupã§æš—å·åŒ–ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ï¼‘ Â« Fosters Technical Blog
Naruhodius 2011/07/01
sysadmin

cryptography

filesystem

linux
ãƒªãƒ³ã‚¯
æš—å·åŒ–ã•ã‚ŒãŸãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã§LVMé ˜åŸŸã‚’ä½œæˆã™ã‚‹ - ãã‚‡ã†ã®ã¶ã‚ã
1. ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã‚’æš—å·åŒ–ã™ã‚‹ cryptsetup --verify-passphrase luksF ormat -cipher aes-xts-plain64 --key-size 512 ä»Šå›žã¯/dev/sda5ã‚’ã‚¿ãƒ¼ã‚²ãƒƒãƒˆã¨ã—ã€cipherã€ã‚ãƒ¼ã‚µã‚¤ã‚ºã¯F15ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ™‚ã¨åŒã˜ã‚‚ã®ã‚’ä½¿ç”¨ã™ã‚‹ TARGETDEV=/dev/sda5 cryptsetup --verify-passphrase luksF ormat -cipher aes-xts-plain64 --key-size 512 $TARGETDEV 2. æš—å·åŒ–ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã‚’device-mapperçµŒç”±ã§é–‹ã crypttsetup luksOpen ã“ã‚Œã‚‚F15ã®æš—å·åŒ–ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã®å‘½åè¦å‰‡ã«ã®ã£ã¨ã£ã¦ã€ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã®UUIDã‚’ä½¿ç”¨ã™ã‚‹ã€‚UUIDã¯blkidã‚³ãƒžãƒ³ãƒ‰ã‚ã‚‹ã„ã¯ã™ã§ã«æš—å·åŒ–ã•ã‚Œã¦ã„ã‚‹ã®ã§cry
Naruhodius 2011/07/01
lvm

filesystem

cryptography

sysadmin

linux
ãƒªãƒ³ã‚¯
Linuxã€€logrotateã®è§£èª¬ãƒšãƒ¼ã‚¸
logrotate ã¯ã€æ”¾ã£ã¦ãŠã‘ã°éš›é™ãªãè‚¥å¤§ã—ã¦ã—ã¾ã†å„ç¨®ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«å¯¾ã—ã¦ã€ä¸–ä»£ãƒãƒ¼ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ã—ã¦ä½•ä»£ç›®ã‹ã«ãªã£ãŸã‚‰ç ´æ£„ã™ã‚‹ã¨ã‹ã€ãã‚Œã‚‰ã‚’ãƒ¡ãƒ¼ãƒ«ã§ã©ã“ã‹ã«é€ä¿¡ã™ã‚‹ãªã©ã€æ§˜ã€…ãªå‡¦ç†ãŒè¡Œãˆã‚‹ã€‚ä¸–ä»£ç®¡ç†ã‚„ã‚µã‚¤ã‚ºåˆ¶é™ãªã©ã®æ©Ÿæ§‹ã‚’è‡ªå‰ã§æŒãŸãªã„ãƒ—ãƒã‚°ãƒ©ãƒ ã‹ã‚‰ã®ãƒã‚°ã‚’ç®¡ç†ã™ã‚‹ã®ã«ãªãã¦ã¯ãªã‚‰ãªã„é“å…·ã ã€‚ Logrotateå®Ÿè¡Œã®æµã‚Œ logrotate è‡ªä½“ã¯ãƒ‡ãƒ¼ãƒ¢ãƒ³ã§ã¯ãªã„ã®ã§ cron (â€»1) ã¨çµ„ã¿åˆã‚ã›ã¦åˆ©ç”¨ã™ã‚‹ã€‚å®Ÿè¡Œã®æµã‚Œã¯ã€RedHatç³»ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã£ã¦ã„ã‚‹ï¼š cron ãŒ run-parts ã‚³ãƒžãƒ³ãƒ‰(â€»2)ã§ /etc/cron.daily/logrotate ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚’ã‚ãƒƒã‚¯ã™ã‚‹ã€‚ /etc/cron.daily/logrotate ã¯ ä¸»è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã§ã‚ã‚‹ /etc/logrotate.conf ã‹ã‚‰è¨å®šã‚’èªã¿è¾¼ã‚“ã§ logrotate ã‚’
Naruhodius 2011/06/15
linux

sysadmin
ãƒªãƒ³ã‚¯
2ch-Linux-Beginners
ãƒ¡ãƒ‹ãƒ¥ãƒ¼ ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸ è³ªå•ã«ã¤ã„ã¦ ã‚¹ãƒ¬ãƒƒãƒ‰éŽåŽ»ãƒã‚° ã‚¹ãƒ¬ã®ç«‹ã¦æ–¹ ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ FAQå…¨èˆ¬ Linuxå…¨èˆ¬ ãƒ‡ã‚£ã‚¹ãƒˆãƒå…¨èˆ¬ å°Žå…¥é–¢ä¿‚ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«å…¨èˆ¬ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«CDä½œæˆ HDDãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ ãƒžãƒ«ãƒãƒ–ãƒ¼ãƒˆ ãƒ—ãƒ¬ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«PC CPUã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ VirtualPC RPMç³»Dist Fedora CentOS SUSE Linux Mageia PC LinuxOS Vine Linux Berry Linux Scientific Linux Debç³»Dist Ubuntu Linux Knoppix ãƒ‡ã‚£ã‚¹ãƒˆãƒä»– Gentoo Linux ãƒ‡ã‚£ã‚¹ãƒˆãƒæƒ…å ± è¨å®š è¨å®šãƒ•ã‚¡ã‚¤ãƒ« ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æŽ¥ç¶š X11 3Dãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ— ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ å°åˆ· TVãƒãƒ¥ãƒ¼ãƒŠãƒ¼ ãƒ•ã‚©ãƒ³ãƒˆ ã‚·ã‚¹ãƒ†ãƒ OSå…¨èˆ¬ èµ·å‹• ã‚·ã‚§ãƒ«æ“ä½œ ã‚³ãƒžãƒ³ãƒ‰ ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚µãƒ¼ãƒãƒ¼/ãƒ‡ãƒ¼ãƒ¢ãƒ³ Windowsã‹ã‚‰ ã‚¢ãƒ—ãƒªè¿½
Naruhodius 2011/06/15
linux

sysadmin
ãƒªãƒ³ã‚¯
Server World - ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚µãƒ¼ãƒãƒ¼æ§‹ç¯‰
CentOS, Ubuntu, Fedora, Debian, Windows Server ã§ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚µãƒ¼ãƒãƒ¼æ§‹ç¯‰æ–¹æ³•
Naruhodius 2011/06/15
linux

sysadmin
ãƒªãƒ³ã‚¯
ã“ã‚Œãã‚‰ã„ã‚„ã£ã¨ã‘ã€€ã€œLinuxã‚µãƒ¼ãƒã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£è¨å®šã€œ - nabeã®é›‘è¨˜å¸³
ç®¡ç†ä¸ã®ã‚µãƒ¼ãƒã§è¡Œã£ã¦ã„ã‚‹ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£è¨å®šã‚’å…¬é–‹ã—ã¾ã™ã€‚æœ¬å½“ã¯ã“ã†ã„ã†ã“ã¨ã‚’å…¬é–‹ã™ã‚‹ã®ã¯ã‚ˆã‚ã—ããªã„ã®ã§ã™ãŒã€è„†å¼±ã‚µãƒ¼ãƒãŒæ°¾æ¿«ã—ã¦ã„ã‚‹ç¾çŠ¶ãã“ãŒè¸ã¿å°ã¨ãªã£ã¦sshã‚¢ã‚¿ãƒƒã‚¯ã•ã‚Œã‚‹ã®ã‚‚è¿·æƒ‘æ¥µã¾ã‚Šãªã„ã®ã§ã€æœ€ä½Žé™ã‚„ã£ã¨ã‘ã¨ã„ã†å†…å®¹ã§ã¾ã¨ã‚ã¾ã—ãŸã€‚*1 èµ·å‹•ã‚µãƒ¼ãƒ“ã‚¹ã¨æ¦‚è¦ iptables/Firewallã®è¨å®š iptablesã®ä¸èº« limit-burstã«ã¤ã„ã¦ hashlimitã«ã¤ã„ã¦ hosts.allow/hosts.deny(TCP Wrapper)ã®è¨å®š sshdã®è¨å®š ãã®ä»–ã®è¨å®š Apacheã®è¨å®š Postfixã®è¨å®š Dovecotã®è¨å®š ã¾ã¨ã‚ èµ·å‹•ã‚µãƒ¼ãƒ“ã‚¹ã¨æ¦‚è¦ Apache (www) sshd smtp/pop bind (DNS) ntpd ã„ãã¤ã‹ã®æ³¨æ„ç‚¹ã€‚ sftpã§ååˆ†ãªã®ã§ftpdã¯ä½¿ã‚ãªã„ã€‚WinSCPç‰ã‚’ä½¿ãˆã°ffftpã«ä¾å˜ã™ã‚‹å¿…è¦ã¯ãªã„ã€‚*2
Naruhodius 2011/04/26
linux

sysadmin

security
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ–ãƒã‚° | ç„¡æ–™ãƒ–ãƒã‚°ã‚’ä½œæˆã—ã‚ˆã†
ãƒ“ãƒ¼ãƒ«ã¨ãƒãƒƒãƒ—ã‚³ãƒ¼ãƒ³ã¨æ˜ ç”» ãƒ©ã‚¹ãƒˆãƒžã‚¤ãƒ«ã‚’è¦‹ãŸã€‚è‰¯ã„æ˜ ç”»ã ã£ãŸã€‚ æ˜ ç”»é¤¨ã§ã¹ãã¹ãæ³£ã„ã¦ã€é¼»ã‚’å•œã‚ŠãªãŒã‚‰è»Šã§å¸°ã£ãŸã€‚æ„Ÿæƒ³ã¯ã“ã®ãƒ–ãƒã‚°ã§ã¯æ›¸ã‹ãªã„ã€‚ã¿ã‚“ãªæ˜ ç”»é¤¨ã«è¡Œã£ã¦æ„Ÿã˜ã¦ã¿ã¦ã»ã—ã„ã€‚ å¸°ã£ã¦ã‹ã‚‰ãƒ„ã‚¤ãƒƒã‚¿ãƒ¼ã§æ„Ÿæƒ³ã‚’æ¼ã‚Šã€ã†ã‚“ã†ã‚“ã€ã‚ã‹ã‚‹ã‚ã‹ã‚‹ã€ãã†ã ã‚ˆãã€ã¨ã¾ãŸæ˜ ç”»ã‚’æ€ã„å‡ºã—ã¦â€¦
Naruhodius 2011/03/02
linux

sysadmin
ãƒªãƒ³ã‚¯
Linuxã‚µãƒ¼ãƒé‹ç”¨ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«
Linuxã‚µãƒ¼ãƒé‹ç”¨ãƒžãƒ‹ãƒ¥ã‚¢ãƒ« ç¬¬6è©±ã€Œãƒªã‚½ãƒ¼ã‚¹ã‚’ãƒã‚§ãƒƒã‚¯ã—ã‚ˆã†ï¼ã€ ã‚µãƒ¼ãƒé‹ç”¨ã«ã¤ã„ã¦ï¼Œãƒªã‚½ãƒ¼ã‚¹ã®ãƒã‚§ãƒƒã‚¯ã¯é‡è¦ã§ã™ã€‚ãƒžã‚·ãƒ³ãã®ã‚‚ã®ãŒãƒˆãƒ©ãƒ–ãƒ«ã‚’ã‹ã‹ãˆã¦ã„ã¦ã¯ï¼Œã©ã‚“ãªå„ªç§€ãªã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚‚å½¹ã«ã¯ã¯ãŸã¡ã¾ã›ã‚“ã€‚ã¾ãŸï¼Œé‹ç”¨ã—ã¦ã„ãä¸Šã§ãƒžã‚·ãƒ³ã®ã‚¹ãƒšãƒƒã‚¯ãŒä¸è¶³ã—ã¦ã„ã‚‹ãªã‚‰ï¼Œå¯¾å¿œã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã—ï¼Œæ™®æ®µã‹ã‚‰ãƒã‚§ãƒƒã‚¯ã—ã¦ã„ã‚Œã°ï¼Œãƒžã‚·ãƒ³ã®ç•°å¸¸ã‚’æ—©æœŸç™ºè¦‹ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ ã“ã“ã§ã¯ï¼Œã‚µãƒ¼ãƒãƒžã‚·ãƒ³ã®ä½•ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã¹ããªã®ã‹ï¼Œã¾ãŸï¼Œãã‚Œã«ã¯ã©ã®ã‚ˆã†ãªã‚³ãƒžãƒ³ãƒ‰ã‚’ç”¨ã„ã‚‹ã®ã‹ã‚’ç´¹ä»‹ã—ã¦ã„ãã¾ã™ã€‚ CPUã®ãƒã‚§ãƒƒã‚¯ CPUã¯ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ãƒ¼ã®å¿ƒè‡“éƒ¨ã§ã‚ã‚Šï¼Œæ€§èƒ½ã«é–¢ä¿‚ã™ã‚‹ãŸã‚ï¼Œé‡è¦ãªãƒã‚§ãƒƒã‚¯å¯¾è±¡ã§ã™ã€‚CPUãã®ã‚‚ã®ã¨ï¼Œãƒ—ãƒã‚»ã‚¹ã®çŠ¶æ…‹ã«ã¤ã„ã¦ãƒã‚§ãƒƒã‚¯ã—ã¾ã™ã€‚ãƒã‚§ãƒƒã‚¯ã—ãŸã„ã®ã¯æ¬¡ã®é …ç›®ã§ã™ã€‚ CPUä½¿ç”¨çŽ‡ CPUãŒã©ã‚Œã ã‘ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‹ã‚’%ã§è¡¨ã‚ã—ãŸã‚‚ã®ã§ã™ã€‚IDLEï¼ˆå¾…æ©Ÿï¼‰ã®å€¤ã‚’ãƒã‚§ãƒƒã‚¯ã—ã¾ã™ã€‚ IDLEï¼ˆå¾…æ©Ÿï¼‰
Naruhodius 2011/02/07
linux

sysadmin
ãƒªãƒ³ã‚¯
Landscape - ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ¡ãƒ¢ 2003-09-08
Landscape ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸ | < å‰ã®æ—¥ 2003-09-07 2003-09-08 æ¬¡ã®æ—¥ 2003-09-09 > Landscape - ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ¡ãƒ¢Â 2003-09-08 å½“ã‚µã‚¤ãƒˆå†…ã‚’ Google æ¤œç´¢ã§ãã¾ã™ * crontab ã® @rebootã“ã®è¨˜äº‹ã®ç›´ãƒªãƒ³ã‚¯URL: Permlink | ã“ã®è¨˜äº‹ãŒå±žã™ã‚‹ã‚«ãƒ†ã‚´ãƒª: [Linux] http://yoshi.init.org/diary/?20030904#20030904 DWN 35th ã‚ˆã‚Šã€ã‚µãƒ¼ãƒ reboot æ™‚ã«å€‹ã€…ã®ãƒ¦ãƒ¼ã‚¶ãŒè‡ªå‹•çš„ã«ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’èµ·å‹•ã•ã›ã‚‹ init.d ã®ã‚ˆã†ãªä»•çµ„ã¿ãŒæ¬²ã—ã„ã¨ã„ã†è©±é¡Œã«ã€Watson ãŒ How about using @reboot lines in users' crontabs instead? ã¨ã‚³ãƒ¡ãƒ³ãƒˆã—ã¦ã„ã‚‹ã€‚ ãã‚“ãªæ–¹æ³•ãŒã‚ã£ãŸã®ã‹â€¦ã€‚ã¨è¨€ã†ã“ã¨ã§
Naruhodius 2010/09/24
sysadmin

linux
ãƒªãƒ³ã‚¯
Hack 68. tune2fs ã‚’ä½¿ç”¨ã—ãŸãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° - bobchinã®æ—¥è¨˜
tune2fs â€“l /dev/sda1 ã‚’ä½¿ç”¨ã™ã‚‹ã¨ä»¥ä¸‹ã«ç¤ºã™ã‚ˆã†ã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®æƒ…å ±ã‚’è¡¨ç¤ºã—ã¾ã™ã€‚ # tune2fs -l /dev/sda1 tune2fs 1.35 (28-Feb-2004) Filesystem volume name: /home/database Last mounted on: <not available> Filesystem UUID: f1234556-e123-1234-abcd-bbbbaaaaae11 Filesystem magic number: 0xEF44 Filesystem revision #: 1 (dynamic) Filesystem features: resize_inode filetype sparse_super Default mount options: (none) Filesystem state:
Naruhodius 2010/09/22
sysadmin

linux
ãƒªãƒ³ã‚¯
lsofã®ä½¿ã„æ–¹ - ãƒ—ãƒã‚»ã‚¹ãŒä½¿ç”¨ä¸ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’èª¿ã¹ã‚‹ - ã†ã¾ã„ã¼ã†ã¶ã‚ã
odz buffer - ãƒ—ãƒã‚»ã‚¹ãŒé–‹ã„ã¦ã„ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç¢ºèªã™ã‚‹ ls -l /proc/`pgrep -n java`/fd lsofã§ã‚‚èª¿ã¹ã‚‰ã‚Œã¾ã™ã€‚ lsof - list open files lsof ã†ã«ã‚‡ã†ã«ã‚‡ã¨çµæžœãŒå‡ºã¦ãã¾ã™ã€‚ãŒã€å¤šã™ãŽã¦è¨³ã‚ã‹ã‚‰ã‚“ã€‚ -pã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ãƒ—ãƒã‚»ã‚¹IDæŒ‡å®š ### ãƒ—ãƒã‚»ã‚¹IDæŒ‡å®š lsof -p 12345 ### ãƒãƒƒã‚¯ã‚¯ã‚©ãƒ¼ãƒˆä½¿ã†ã¨ã“ã‚“ãªæ„Ÿã˜ lsof -p `pgrep -n java` -cã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ãƒ—ãƒã‚»ã‚¹åæŒ‡å®š lsof -c java -uã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ãƒ¦ãƒ¼ã‚¶æŒ‡å®š lsof -u hoge -iã‚ªãƒ—ã‚·ãƒ§ãƒ³ [@IPã‚¢ãƒ‰ãƒ¬ã‚¹:ãƒãƒ¼ãƒˆç•ªå·] listenã—ã¦ã‚‹ãƒãƒ¼ãƒˆã‚’å‡ºåŠ›ã€‚æŒ‡å®šã—ãŸãƒãƒ¼ãƒˆã®ã¿è¡¨ç¤ºã™ã‚‹ã“ã¨ã‚‚ã§ãã‚‹ã€‚ lsof -i # Listenã—ã¦ã‚‹ã®ãšã‚‰ãšã‚‰è¡¨ç¤º lsof -i :22 # ssh lsof -i :22,80
Naruhodius 2010/09/08
linux

sysadmin
ãƒªãƒ³ã‚¯
Sudoers Manual
Naruhodius 2010/09/08
sysadmin

linux
ãƒªãƒ³ã‚¯
Linux Security HOWTO
Naruhodius 2010/05/20
linux

security

sysadmin
ãƒªãƒ³ã‚¯
Debian Reference
This Debian Reference (version 2.118) (2024-03-14 05:53:09 UTC) is intended to provide a broad overview of the Debian system as a post-installation user's guide. It covers many aspects of system administration through shell-command examples for non-developers. Abstract This book is free; you may redistribute it and/or modify it under the terms of the GNU General Public License of any version compl
Naruhodius 2010/05/20
debian

linux

sysadmin

reference
ãƒªãƒ³ã‚¯
Debian ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ - Debian ã‚·ã‚¹ãƒ†ãƒ ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°
[ å‰ã®ãƒšãƒ¼ã‚¸ ] [ ç›®æ¬¡ ] [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] [ 8 ] [ 9 ] [ 10 ] [ 11 ] [ 12 ] [ 13 ] [ 14 ] [ 15 ] [ A ] [ æ¬¡ã®ãƒšãƒ¼ã‚¸ ] Debian ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ ç¬¬ 9 ç« - Debian ã‚·ã‚¹ãƒ†ãƒ ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° æœ¬ç« ã¯ã‚·ã‚¹ãƒ†ãƒ è¨å®šã®åŸºæœ¬ã‚’ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ ã®ã¿ã§èª¬æ˜Žã—ã¾ã™ã€‚æœ¬ç« ã‚’èªã‚€å‰ã« Debian ã‚·ã‚¹ãƒ†ãƒ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã®ãƒ’ãƒ³ãƒˆ, ç¬¬ 3 ç« ã‚’èªã‚“ã§ä¸‹ã•ã„ã€‚ ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã«é–¢ã—ã¦é–¢å¿ƒãŒã‚ã‚‹ãªã‚‰ã€ harden-doc ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã«ã‚ã‚‹ Securing Debian Manual ã‚’èªã‚“ã§ãã ã•ã„ã€‚ 9.1 ã‚·ã‚¹ãƒ†ãƒ ã®åˆæœŸåŒ– Debian ã¯ Systen V å½¢å¼ã® init ã‚¹ã‚¯ãƒªãƒ—ãƒˆã‚·ã‚¹ãƒ†ãƒ ã‚’æŽ¡ç”¨ã—ã¦ã„ã¾ã™ã€‚ ã‚¤ãƒ³ãƒˆãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã¨ã—ã¦ in
Naruhodius 2010/05/17
debian

linux

sysadmin
ãƒªãƒ³ã‚¯
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