尊龙凯时人生就是搏

Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

linux ·ÖÇø

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1.Linux À´Ëµ wulun Óм¸¸ö·ÖÇø£¬·Ö¸øÄÄһĿ¼ʹÓã¬Ëû¹é¸ù½áµ×Ö»ÓÐÒ»¸ö¸ùĿ¼£¬Ò»¸ö×ÔÁ¦ÇÒΨһµÄÎļþ½á¹¹£¬Linux ÖÐÿ¸ö·ÖÇø¶¼ÊÇÓÃÀ´×é³ÉÕû¸öÎļþϵͳµÄÒ»²¿·Ö¡£

2.Linux ½ÓÄÉÁËÒ»ÖֽР“ÔØÈë” µÄ´¦ÀíÒªÁ죬ËüµÄÕû¸öÎļþϵͳÖаüÀ¨ÁËÒ»ÕûÌ×µÄÎļþºÍĿ¼£¬ÇÒ½«Ò»¸ö·ÖÇøºÍÒ»¸öĿ¼ÁªÏµÆðÀ´£¬ÕâÊÇÒªÔØÈëµÄÒ»¸ö·ÖÇø½«Ê¹ËüµÄ´æ´¢¿Õ¼äÔÚÒ»¸ö£¬Ä¿Â¼Ï»ñµÃ¡£

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1.Linux Ó²ÅÌ·Ö IDE Ó²ÅÌºÍ SCSI Ó²ÅÌ£¬ÏÖÔÚ»ù±¾ÉÏÊÇ SCSI Ó²ÅÌ

2.¹ØÓÚIDE Ó²ÅÌ£¬Çý¶¯Æ÷±êʶ·ûΪ “hdx~”£¬ÆäÖÐ “hd” Åú×¢·ÖÇøËùÔÚ×°±¸µÄÀàÐÍ£¬ÕâÀïÊÇÖ¸ IDE Ó²ÅÌÁË¡£”x” ΪÅ̺Š(a Ϊ»ù±¾ÅÌ£¬b Ϊ»ù±¾Á¥ÊôÅÌ£¬c Ϊ¸¨ÖúÖ÷ÅÌ£¬d Ϊ¸¨ÖúÁ¥ÊôÅÌ)£¬”~” ´ú±í·ÖÇø£¬Ç°Ëĸö·ÖÇøÓÃÊý×Ö 1 µ½ 4 ÌåÏÖ£¬ËüÃÇÊÇÖ÷·ÖÇø»òÀ©Õ¹·ÖÇø£¬´Ó 5 ×îÏȾÍÊÇÂß¼­·ÖÇø¡£Àý£¬hda3 ÌåÏÖΪµÚÒ»¸ö IDE Ó²ÅÌÉϵĵÚÈý¸öÖ÷·ÖÇø»òÀ©Õ¹·ÖÇø£¬hdb2 ÌåÏÖΪµÚ¶þ¸ö IDE Ó²ÅÌÉϵĵڶþ¸öÖ÷·ÖÇø»òÀ©Õ¹·ÖÇø¡£

3.¹ØÓÚSCSI Ó²ÅÌÔò±êʶΪ “sdx~”£¬SCSI Ó²ÅÌÊÇÓà “sd” À´ÌåÏÖ·ÖÇøËùÔÚ×°±¸µÄÀàÐ͵Ä£¬ÆäÓàÔòºÍ IDE Ó²Å̵ÄÌåÏÖÒªÁìÒ»Ñù£¨x ¿ÉÒÔΪ abcd »®·Ö¶ÔÓ¦µÚ 1¡¢2¡¢3¡¢4 ¿éÓ²ÅÌ£©¡£

Éó²éËùÓÐ×°±¸¹ÒÔØÇéÐÎ

Ö¸Álsblk »òÕß lsblk -f

[root@kongchao03 ~]# lsblkNAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTsda      8:0    0    20G  0 disk ©À©¤sda1   8:1    0  1023M  0 part /boot©À©¤sda2   8:2    0    17G  0 part /©¸©¤sda3   8:3    0     2G  0 part [SWAP]sr0     11:0    1 729.9M  0 rom  /run/media/root/20210907_143734[root@kongchao03 ~]#

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ÕâÀï sda1¡¢2¡¢3 »®·Ö´ú±íµÚÒ»¿éÓ²Å̵ĵÚÒ»·ÖÇøµÚ¶þ·ÖÇø…

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°ì·¨ 1£ºÐ½¨Ò»¿éÓ²ÅÌ

ÔÚÐéÄâ»ú²Ëµ¥ÖУ¬ÉèÖÃÔöÌíÒ»¿éÓ²ÅÌ£¬Íê³ÉºóÖØÆô¿ÉÒÔÉúЧʶ±ð¡£ÁíÍ⣬ËÑË÷ÃñÖÚºÅLinux¾Í¸ÃÕâÑùѧºǫ́»Ø¸´¡°Linux¡±£¬»ñÈ¡Ò»·Ý¾ªÏ²Àñ°ü¡£
Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ
ʹÓà lsblk ÏÂÁîÉó²é
Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

²Ù×÷°ì·¨ 2£ºÐéÄâ»úÓ²ÅÌ·ÖÇø

·ÖÇøÖ¸Áfdisk /dev/sdb

×îÏÈ¶Ô sdb ·ÖÇø

m ÏÔʾÏÂÁîÁбí

p ÏÔʾ´ÅÅÌ·ÖÇøͬ fdisk -l

n ÐÂÔö·ÖÇø

d ɾ³ý·ÖÇø

w дÈë²¢Í˳ö

˵Ã÷£º×îÏÈ·ÖÇøºóÊäÈë n£¬ÐÂÔö·ÖÇø£¬È»ºóÑ¡Ôñ p£¬·ÖÇøÀàÐÍΪÖ÷·ÖÇø¡£Á½´Î»Ø³µÄ¬ÈÏÊ£ÓàËùÓпռ䣬×îºóÊäÈë w дÈë·ÖÇø²¢Í˳ö£¬Èô²»ÉúÑÄÍ˳öÊäÈë q

[root@kongchao03 ~]# fdisk /dev/sdb½Ó´ýʹÓà fdisk (util-linux 2.23.2)¡£ > ¸ü¸Ä½«Í£ÁôÔÚÄÚ´æÖУ¬Ö±µ½Äú¾öÒ齫¸ü¸ÄдÈë´ÅÅÌ¡£Ê¹ÓÃдÈëÏÂÁîÇ°ÇëÈý˼¡£ > Device does not contain a recognized partition table>> ʹÓôÅÅ̱êʶ·û 0xdf03b737 ½¨ÉèÐ嵀 DOS ´ÅÅ̱êÇ©¡£ ÏÂÁî(ÊäÈë m »ñÈ¡×ÊÖú)£ºm            ÏÂÁî²Ù×÷   a   toggle a bootable flag   b   edit bsd disklabel   c   toggle the dos compatibility flag   d   delete a partition   g   create a new empty GPT partition table   G   create an IRIX (SGI) partition table   l   list known partition types   m   print this menu   n   add a new partition   o   create a new empty DOS partition table   p   print the partition table   q   quit without saving changes   s   create a new empty Sun disklabel   t   change a partition's system id   u   change display/entry units   v   verify the partition table   w   write table to disk and exit   x   extra functionality (experts only)ÏÂÁî(ÊäÈë m »ñÈ¡×ÊÖú)£ºnPartition type:   p   primary (0 primary, 0 extended, 4 free)   e   extendedSelect (default p): p·ÖÇøºÅ (1-4£¬Ä¬ÈÏ 1)£º1Æðʼ ÉÈÇø (2048-2097151£¬Ä¬ÒÔΪ 2048)£º½«Ê¹ÓÃĬÈÏÖµ 2048Last ÉÈÇø, +ÉÈÇø or +size{K,M,G} (2048-2097151£¬Ä¬ÒÔΪ 2097151)£º½«Ê¹ÓÃĬÈÏÖµ 2097151·ÖÇø 1 ÒÑÉèÖÃΪ Linux ÀàÐÍ£¬¾ÞϸÉèΪ 1023 MiBÏÂÁî(ÊäÈë m »ñÈ¡×ÊÖú)£ºwThe partition table has been altered!Calling ioctl() to re-read partition table.ÕýÔÚͬ²½´ÅÅÌ¡£[root@kongchao03 ~]#

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

°ì·¨ 3£ºÐéÄâ»úÓ²ÅÌ·ÖÇøÃûÌû¯

ÃûÌû¯´ÅÅÌ£¬ÃûÌû¯Ö®ºó²Å»á·ÖÅÉ UUID

ÃûÌû¯Ö¸Ámkfs -t ext4 /dev/sdb1

ÆäÖÐ ext4 ÊÇ·ÖÇøÀàÐÍ

mkfs -t ext4 /dev/sdb1lsblk -f

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

°ì·¨ 4£º½«´ÅÅ̹ÒÔص½¸ùĿ¼Ï newdisk Ŀ¼ÏÂ

Ò²¿ÉÒÔµ½ÆäËûĿ¼Ï¹ÒÔØ£º½«Ò»¸ö·ÖÇøÓëÒ»¸öĿ¼ÁªÏµÆðÀ´£¬

mount ¹ÒÔØ

Å£±Æ°¡£¡½Ó˽»î±Ø±¸µÄ N ¸ö¿ªÔ´ÏîÄ¿£¡¸ÏæÕä²Ø

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¹ÒÔØÓï·¨£ºmount ×°±¸Ãû³Æ ¹ÒÔØĿ¼ £¨¹ÒÔØĿ¼ÊÇí§ÒâµÄ£©

[root@kongchao03 ~]# cd /
[root@kongchao03 /]# mkdir newdisk
[root@kongchao03 /]# mount /dev/sdb1 /newdisk
[root@kongchao03 /]# lsblk -f

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

cd ½øÈë¹ÒÔص㣬ÔÚÆäÖн¨ÉèÎļþ£¬ÊµÔòÊÇÔÚ·ÖÇøÉÏн¨ÁËÒ»¸öÎļþ

linux ¸ùϵĴæ·ÅÖ»ÊÇĿ¼£¬ÕæÕý´æ·ÅÊý¾ÝÕÕ¾ÉÔÚÓ²ÅÌÖеķÖÇø

umount ×÷·Ï¹ÒÔØ

Óï·¨:umount ¹ÒÔصã»ò umount ×°±¸Ãû

umount /dev/sdb1
 
lsblk -f

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ÓÃÏÂÁîÐйÒÔØ£¨mount /dev…£©£¬ÖØÆôºó»áʧЧ, ¼´ÖØÆôºó¹ÒÔصãÏûÊÅ

°ì·¨ 5£ºÊµÏÖÓÀÊÀ¹ÒÔØ£¨¼´ÖØÆô²»±Øʧ£©

ÓÀÊÀ¹ÒÔصÄʵÖÊÊÇ×Ô¶¯¹ÒÔØÉÏ

ÓÀÊÀ¹ÒÔØ£ºÍ¨¹ýÐÞ¸Ä/etc/fstab ʵÏÖ¹ÒÔØ

Ìí¼ÓÍê³ÉºóÖ´ÐÐmount -a »ò reboot ¼´¿ÉÉúЧ

[root@kongchao03 /]# vim /etc/fstab 
[root@kongchao03 /]# mount -a

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

df -h ÅÌÎÊ´ÅÅÌʹÓÃÇéÐÎ

[root@kongchao03 ~]# df -h
Îļþϵͳ        ÈÝÁ¿  ÒÑÓà  ¿ÉÓà ÒÑÓÃ% ¹ÒÔصã
/dev/sda2        17G  5.8G   11G   37% /
devtmpfs        978M     0  978M    0% /dev
tmpfs           993M     0  993M    0% /dev/shm
tmpfs           993M  9.0M  984M    1% /run
tmpfs           993M     0  993M    0% /sys/fs/cgroup
/dev/sdb1       991M  2.6M  922M    1% /newdisk
/dev/sda1       991M  128M  797M   14% /boot
tmpfs           199M   20K  199M    1% /run/user/0
/dev/sr0        730M  730M     0  100% /run/media/root/20210907_143734
[root@kongchao03 ~]#

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ
du -h ÅÌÎÊÖ¸¶¨Ä¿Â¼´ÅÅÌÕ¼ÓÃÇéÐÎ

Ö¸Ádu [²ÎÊý] / Ŀ¼ (ÅÌÎÊÖ¸¶¨Ä¿Â¼µÄ´ÅÅÌÕ¼ÓÃÇéÐΣ¬Ä¬ÒÔΪĿ½ñĿ¼)

²ÎÊýÑ¡Ï

²ÎÊý ¼ÄÒå
-s Ö¸¶¨Ä¿Â¼Õ¼ÓþÞϸ»ã×Ü
-h ´ø¼ÆÁ¿µ¥Î»
-a º¬Îļþ
–max-depth=1 ×ÓĿ¼µÄÉî¶È
-c ÁгöÃ÷ϸµÄͬʱ£¬ÔöÌí»ã×ÜÖµ

²ÎÊý¿ÉÒÔÍŽáʹÓÃʾÀý£ºÅÌÎÊ / opt Ŀ¼µÄ´ÅÅÌÕ¼ÓÃÇéÐΣ¬Éî¶ÈΪ 1

[root@kongchao03 /]# cd /opt
[root@kongchao03 opt]# ls
rh
[root@kongchao03 opt]# du -h --max-depth=1 /opt
4.0K /opt/rh
8.0K /opt
[root@kongchao03 opt]#

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ
²ÎÊýÍŽáÆðÀ´Ê¹ÓÃ:

[root@kongchao03 opt]# du -hac --max-depth=1 /opt
4.0K /opt/rh
8.0K /opt
8.0K ×ÜÓÃÁ¿

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Linux ´ÅÅÌ·ÖÇøºÍ¹ÒÔØ

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