This is an archive of past FreeBSD releases; it's part of the FreeBSD Documentation Archive.
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A: §ä¤@±ø laplink ½u¡A½T©w¨âÃä¹q¸£ªº®Ö¤ß³£¤ä´© lpt ÅX°Êµ{¦¡¡C
$ dmesg | grep lp
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
§â laplink ½u´¡¤J¨ÃÁp¬É±¤W¡C
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max <-----> moritz
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lp0: flags=8851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 10.0.0.1 --> 10.0.0.2 netmask 0xff000000
$ netstat -r
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
moritz max UH 4 127592 lp0
$ ping -c 4 moritz
PING moritz (10.0.0.2): 56 data bytes
64 bytes from 10.0.0.2: icmp_seq=0 ttl=255 time=2.774 ms
64 bytes from 10.0.0.2: icmp_seq=1 ttl=255 time=2.530 ms
64 bytes from 10.0.0.2: icmp_seq=2 ttl=255 time=2.556 ms
64 bytes from 10.0.0.2: icmp_seq=3 ttl=255 time=2.714 ms
--- moritz ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max/stddev = 2.530/2.643/2.774/0.103 ms
A: ¥Î laplink ¨ÃÁp½u³s±µ¨â¥x¹q¸£¥H¨Ï¥Î³oÓ¯S©Ê¡G
+----------------------------------------+
|A-name A-End B-End Descr. Port/Bit |
+----------------------------------------+
|DATA0 2 15 Data 0/0x01 |
|-ERROR 15 2 1/0x08 |
+----------------------------------------+
|DATA1 3 13 Data 0/0x02 |
|+SLCT 13 3 1/0x10 |
+----------------------------------------+
|DATA2 4 12 Data 0/0x04 |
|+PE 12 4 1/0x20 |
+----------------------------------------+
|DATA3 5 10 Strobe 0/0x08 |
|-ACK 10 5 1/0x40 |
+----------------------------------------+
|DATA4 6 11 Data 0/0x10 |
|BUSY 11 6 1/0x80 |
+----------------------------------------+
|GND 18-25 18-25 GND - |
+----------------------------------------+
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A: ³q±`¬O¤£»Ýn¡CµM¦Ó¡A·|±j¯P«ØÄ³§A¦Ü¤Ö¦w¸Ë ``base'' ³oÓ source kit¡A³o¥]§t¼ÆÓ³o¸Ì²³æ´yz¹LªºÀɮסAÁÙ¦³ ``sys'' (kernel) source kit¡A³o¥]§t®Ö¤ßµ{¦¡ªº sources¡C¨t²Î¸Ì±¤£»Ý n¦³ sources ¤~¯à¾Þ§@¡AµM¦Ó¡A°£¤F kernel-configuration µ{¦¡ config ¥H¥~¡C¯Ê¤Ö®Ö¤ßªº sources¡A§Ú̪º«Ø¿v¬[ºc¬O³]©w ¦¨Åý§A¥i¥H±q§O³B¦p NFS ¨Ó±¾¤W°ß¿Wªºì©lµ{¦¡¡A¦]¦¹ÁÙ¬O¥i¥H»s §@·sªº binaries¡C¡]¦]¬° kernel-source ªº¨î¡A§ÚÌ«ØÄ³§A¤£n ª½±µ§â¥¦±¾¦b /usr/src ¤U¡A³Ì¦n¥Î¨ä¥L¾A¦Xªº²Å¸¹©Ê« ½Æ³sµ²¨ì source tree ªº¤W¼h¬[ºc¡C¡
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n¹ê»Úªº¿ï¾Ü sources ªº¤@Ó¤l¶°¦X¡A¦b§A¦b¨t²Î¦w¸Ë¤u¨ãªº Distributions ¿ï³æ®É¡A¨Ï¥Î Custom ¿ï³æ¶µ¥Ø¡Csrc/install.sh script ±N·|§â sources distribution ªº³¡¥÷¦w¸Ë¶i¥h¡A¥Dn¬O¬Ý §A¶Ç¤Jþ¨Ç°Ñ¼Æ¡C
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A: ¦pªG¹ï§A¨Ó»¡¨Ï¥Î DES ®æ¦¡ªº¥[±K§Þ³N¤£¬Oµ´¹ï»Ýnªº¡A§A¥i¥H¨Ï ¥Î FreeBSD ªº¤º©w¥[±K§Þ³N¡A¦³§ó¦n ªº¦w¥þ©Ê¡A¨Ã¥B¨S¦³ÃB¥~ ªº¨î¡CFreeBSD 2.0 ªº±K½X²{¦b¨Ï¥Î¤º©wªº MD5-based ¥[¥H ²V¦X¡An¥Î¦Û°Ê¯}¸Ñ±K½Xªºµ{¦¡¥h¯}¸Ñ¥¦¡A¤ñ°_ DES »Ýn¨Ï¥Î§ó¦h CPU ±j¤Æ©Ê¥H«K¥Î¦Û°Ê±K½X¯}¸Ñ¾¹¡A¥¦ÁÙ¤¹³\§óªøªº±K½X¡C¤µ¤é¤£¨Ï ¥Î MD5-based ¥[±K§Þ³Nªº°ß¤@²z¥Ñ¬O¦b FreeBSD ©M«D FreeBSD ¨t²Î¤W¨Ï¥Î¬Û¦Pªº±K½X¶µ¥Ø¡C
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µM¦Ó¥t¥~ÁÙ¦³Ó¦³®Äªº libcrypt¡Aì©lµ{¦¡°ò¥»¤W¥Ñ¿D¬wªº David Burren ¼g¦¨¡C³oÓµ{¦¡½X¥Ø«e¦b¬Y¨Ç«D US FreeBSD mirror ¯¸¥x¤W¥i¥H§ä¨ì¡C³oÓ¨S¦³¨îªº libcrypt ì©lµ{¦¡¡A¥H¤Î¨Ï¥Î¥¦ ªº binaries µ{¦¡¡A¥i¥H¦b¥H¤U FTP ¯¸¥xÀò±o¡G
ftp://ftp.internat.FreeBSD.org/pub/FreeBSD ftp://storm.sea.uct.ac.za/pub/FreeBSD
ftp://ftp.iqm.unicamp.br/pub/FreeBSD
ftp://nic.funet.fi/pub/unix/FreeBSD/eurocrypt
«D US ªº securedist ¥i¥H·í¨î©Ê US securedist ªº§¹¥þ´À¥N¡C³oÓ securedist package ¦w¸Ë¤èªk¸ò US package §¹¥þ¤@¼Ë(²Ó¸`½Ð°Ñ¦Ò¦w¸Ë¶·ª¾)¡C¦pªG§An¸Ë DES ¥[±Kªk §AÀ³¸Ó¾¨¥i¯à¦a¦b¦w¸Ë¨ä¥L³nÅ餧«e¥ý¸Ë¦n¥¦¡A¦A¸Ë¨ä¥L³nÅé¡C
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A: ¦pªG§A¦w¸Ë¤F IDE Zip ©Î Jaz ¸Ë¸m¡A²¾°£¥¦¨Ã«·s¸Õ¤@¹M¡C ±Ò°Ê³nºÐ¤ù¥i¯à·|³Q³o¨Ç¸Ë¸m²V²c¤F¡C·í¨t²Î¦w¸Ë¦n¥H«á§A¥i¥H¦A §â¥¦±µ¦^¨Ó¡C§Æ±æ³o¦b¤§«áªº release ª©¥»¥i¥H³Q×¥¿¡C
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echo "1:wd(2,a)kernel" > /boot.config
Åý¥¦Åܦ¨¤º©wªº boot string¡C§â FreeBSD ºÏºÐ¾÷²¾¨ì primary IDE controller¡A¦]¦¹µwºÐ¾÷¬O ³sÄòªº¡C
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controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
# disk wd1 at wdc0 drive 1 # comment out this line
controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
disk wd1 at wdc1 drive 0 # change from wd2 to wd1
disk wd2 at wdc1 drive 1 # change from wd3 to wd2
A: ¹ï°O¾ÐÅé¨Ó»¡¡A(²z½×¤W)¨î¬O 4 gigabytes¡C§ó¦h¸ê°T¥i°Ñ¦Òwcarchive ªº³]©w ¡C ¦pªG±z¹w©w¦b¤@¥x¾÷¾¹¤W¦w¸Ë³o»ò¦h°O¾ÐÅé¡A±z»Ýn§ó¥[¤p¤ß¡A±z¥i¯àn¨Ï¥Î ECC °O¾ÐÅé¥H´î¤Ö 9/18 pin °O¾ÐÅé¼Ò²Õ¤§¶¡ªº¬Û®e©Ê°ÝÃD¡C
A: ¹ï ffs filesystems ¦Ó¨¥¡A³Ì¤j²z½×Ȩî¦b 8 terabytes(2G blocks )¡A©Î·í¨Ï¥Î¤º©w 8K block ¤j¤p®É¡A¨î¬O 16TB¡CÁÙ¦³¡A³nÅé¨î¬O 1 terabytes¡A¦ý¦pªG¬O¸g¹Lק諸Àɮרt²Î¤W 4 terabytes ¬O¥i¯à(¨Ã ¥B¦s¦b)ªº¡C
³æ¤@ ffs Àɮתº¤j¤p³Ì¤j¬OÁͪñ 1G blocks(4TB) - °²¦p block ¤j¤p¬O 4K¡C
maxfilesize
----------------------------------
2.2.7 3.0
fs block size -stable -current works should-work
------------- ------- -------- ----- -----------
4K 4T-1 4T-1 4T-1 4+T
8K 32+G 8T-1 32+G 16T-1
16K 128+G 16T-1 128+G 32T-1
32K 512+G 32T-1 512+G 64T-1
64K 2048+G 64T-1 2048+G 128T-1
·í fs block ¤j¤p¬O 4K¡Atriple indirect block ¹B§@¨Ã¥B©Ò¦³ªº¨Æ±¡ ³£À³¸Ó¥Hªí¥Ü¦¨¨Ï¥Î triple indirect block ªº³Ì¤j fs block ¨Ó§@ ¨î(ªñ¦ü©ó 1K^3 + 1K^2 + 1K)¡A¦ý¦b fs block ¼Æ¥Ø¤W«o¦³¤@Ó(¿ù»~) ªº 1G-1 ¨î¡C¹ï fs block ¼Æ¥Øªº¨îÀ³¸Ó¬O 2G-1¡C¦b fs block ¼Æ¥Ø±µªñ 2G-1 ®É¦³ÂI¿ù»~¡A¦ý·í fs block ¤j¤p¬O 4K ®É³oÓ block ¼Æ¥Ø¬O¤£¯à¹F¨ìªº¡C
block ¤j¤p¦pªG¬O 8K ©Î§ó¤j¡Afs block ¼Æ¥ØÀ³¸Ó¨î¦b 2G-1¡A¦ý¹ê »Ú fs block ¼Æ¥Ø«o¨î¦b 1G-1¡A°£¤F¦b -stable ®É triple indirect blocks ¬OµLªk¹F¨ìªº¡A©Ò¥H³Ì¦h fs block ¼Æ¥Øªº¨î¥i¥Hªí¥Ü¦¨¥Î double indirect blocks(ªñ¦ü©ó(blocksize/4)^2 + (blocksize/4)) ¡A¥B¦b -current ¤U¶W¹L³oÓ¨î¥i¯à·|¾ÉP°ÝÃD²£¥Í¡C¨Ï¥Î¥¿½Tªº 2G-1 block ¨îªº½T·|¾ÉP°ÝÃDµo¥Í¡C
A: §Ú¦Û¤v´N¦b³nºÐ¤ù¤W©ñ¦n´XÓ :-)¡CÀɮתº³Ì¤j®e¶q¨Æ¹ê¤W¸òºÏºÐ³Ì¤j ªº®e¶q¨Ã¨S¦³±K¤Á¬ÛÃö¡CºÏºÐªº³Ì¤j®e¶q¬O 1TB¡A³o¬O¤@ÓÀɮפj¤p¥i ¥H¶W¹LºÏºÐ®e¶qªº¤@Ó¯S¦â¡C
¥H¤U½d¨Ò·|¦b¤@ӨϥξãÓ 32K ªÅ¶¡³o¼Ë¤pªº root partition ºÏºÐ ¤W«Ø¥ß¤@Ó¤j¤p¬O 8T-1 ªºÀÉ®×(3 indirect blocks and 1 data block )¡Cdd «ü¥O»ÝnÅý dd ¯à¦b¤@Ó¤jÀɮפU°õ¦æ¡C
ttyv0:bde@alphplex:/tmp/q> cat foo
df .
dd if=/dev/zero of=z bs=1 seek=`echo 2^43 - 2 | bc` count=1
ls -l z
du z
df .
ttyv0:bde@alphplex:/tmp/q> sh foo
Filesystem 1024-blocks Used Avail Capacity Mounted on
/dev/sd0a 64479 27702 31619 47% /
1+0 records in
1+0 records out
1 bytes transferred in 0.000187 secs (5346 bytes/sec)
-rw-r--r-- 1 bde bin 8796093022207 Sep 7 16:04 z
32 z
Filesystem 1024-blocks Used Avail Capacity Mounted on
/dev/sd0a 64479 27734 31587 47% /
ttyv0:bde@alphplex:/tmp/q> exit
Bruce Evans, September 1998
A: ¦b±Ò°Ê loader ¤§«e·|¬Ý¨ì "|" ³oӲŸ¹¦bÂà¡A³o®É¥i¥H«ö¥ô¦óÁ䤤Â_¡AµM «á¦A«ü©wn¸ü¤J¨ºÓ kernel¡C¥J²Ó¨Ó»¡¡A§A¤w¸g§ó·s kernel ªºì©l½X¡B¤]¥Î¥¦ °µ¤F·sªº kernel¡A¦ý«o *¨S¦³«·s make world*¡C§Ṳ́£¤ä´©³o»ò°µ¡A½Ð¥ý make world¡A¦A§ó·s kernel¡C