Obd2 Tools has recently released 2015.03 MB SD Connect Compact 4 WIFI diagnosis with HDD.Exactly here comes with Big Promotion Sales, you indeed does not miss the chance.Highlights to Get MB SD Connect C4:1. Newest software version 2015.03; (Hardware version:os:2.3 csd:2.8)2. Wireless and LAN cable Connection supportable;3. Multi-language:support over languages;4. Support Benz vehicle from 1995 to 2015;5. Enjoy aobd2shop Good after-sales service;MB SD C4 have been proved to being the best diagno
command to the server side:check_nrpe-h 192.168.0.12-c check_disk (on server)if normal, it will output a row of disk detection data, or may be error. 5. Add the appropriate service to the servercd/etc/nagios/conf.d/Vim 192.168.0.12.cfg # Add the following:define service{Use generic-servicehost_name 192.168.0.12service_description Check_diskCheck_command Check_nrpe!check_diskmax_check_attempts 5Normal_check_interval 1}6. Restart the Nagios service/etc/init.d/nagios Restart (on server)7. Use brow
Don't talk nonsense, light up the data:As can be seen from the Raspberry Pi installed Ubuntu arm64 in the performance of almost the rolling ARMF system, so I downloaded Ubuntu arm64
Ubuntu arm64 Project Address
Open it up like this and turn it down:We open:Enter:Then download the desktop version, after the download is complete decompression:Use etcher to burn to mobile hard drive after decompression is complete
Etcher official website
Complete the burn, insert the mob
Linux inevitably appears to be out of disk space, and when the LVM partition is not previously planned, the default hard disk partition cannot be dynamically expanded, but can also increase the storage space of the system by increasing the way the hard disk mounts1, add a hard disk (the following example is the new/DEV/SDB)2, the second step is the most important, is to set up a partition for the new hard disk (I am more lazy, directly set up a partition)3, view the partition situation, the part
root directorySize: 60g~100g (used to install the program)Type of new partition: Primary partitionLocation of new partition: space start positionFor: EXT4 log file systemmount point: "/"
Size: 4GType of new partition: Logical partitionLocation of new partition: space start positionFor: Swap spaceMount point: Not set
Size: 500MBType of new partition: Logical partitionLocation of new partition: space start positionFor: EXT4 log file systemmount point:/boot
Size: (How much is left, documen
1. View system disk allocation DF2. View all disk devices on the machine cat/proc/partitions3. Create a mount point and create a directory/mnt/ntfs4. Mount Mount-t ntfs/dev/sdb1/mnt/ntfs /dev/sdb1 is hard drive,/mnt/ntfs Local mount point5. Uninstalling UMOUNT/DEV/SDB1Note: Sometimes it will be/dev/sdb2, mount multiple hard drives Yes/DEV/SDCThis article is from the "11576716" blog, please be sure to keep this source http://11586716.blog.51cto.com/11576716/1905273Linux mounted
vg_testPVSize 19.99gib/ notusable1.43MiBAllocatable yes (butfull) PESize 4.00MiBTotalPE 5118FreePE 0AllocatedPE 5118PVUUID fuQdIY-qkJw-fZJB-AauO-Zqpj-91RI-S1GG0X ---Physicalvolume---PVName /dev/sdc1VGName vg_testPVSize 19.99GiB/not usable1.43miballocatable yespenbsp Size4.00mib TotalPE 5118freepe 5116allocatedpe2 PVUUID trlpmq-snm6-u24f-cmha-oivt-xj3w-6fjabpfound that there are still I/O errors appearing, Find the right downtime window, restart the system, and solve the problem (note here to ch
#df-H (view partition and data disk name) # Mkdir/data (This step skips if no data directory is created) # Umount/home (unmount the hard drive's Mounted home directory) # Mount/dev/sdb1/data (Mount to the data directory # vi/etc/fstab (edit Fstab file modified or added so that it can be mounted automatically after reboot)/dev/sdb1 /data ext3 Auto 0 0 Data disk new mount directory edit/etc/ Fstab Inside/home is/data, or created to automatically mount the system w
that you want to back up the contents of the entire
Pass: Used to specify how fsck will check the hard disk. 0 means no check, the mount point is partition/(root partition) must be set to 1, the other mount point cannot be set to 1, if there is a mount that is set to a value greater than 1, then after the root partition is checked, and then the value of the pass is checked from small to large, the same value is checked at the same time. such as:/home and/boot pass set to 2,/devdata pass se
can beExpanding the current partitionFirst, create a new partition:Fdisk/dev/hdaNL #选择逻辑分区, if not, first create an extended partition and then add the logical partition (hard disk: up to four partitions p-p-p-p or P-P-P-E)6 #分区号 (starting from 5),/dev/hda6T 8e #分区类型8e表示LVM分区W #写入分区表Partprobe #重读分区表Mkfs–t Ext3/dev/hda6 #格式化Partx/dev/hda #查看当前硬盘的分区表及使用情况Second, the creation of PV, expansion vg,lvPvcreate/dev/hda6Vgdisplay #查看当前已经存在的VG信息, taking the existence of vg:volgroup00 as an exampleVgexten
1. Permanently mount the hard driveTo find the disk UUID:sudo blkid/dev/sdb1Opens the Fstab file, at the end add:uuid=df21050f-2899-4996-b420-83c54e4fa117 /media/lmy ext4 defaults 0 0The parameters are indicated separately:file system> mount point> To see if the mount succeeds:sudo Mount -A2. Modify the drive letterE2label /dev/sdb1 "newName"Ubuntu permanent mount HDD Modify drive letter
BZ creates a block cloud drive to add to the virtual machine, and then mounts the hard drive as usual on the USB drive:Mount-t ext4/dev/vdb/mnt/xxxxThe results reported the following error:Mount:wrong fs type, bad option, bad Superblock on/dev/vdb,Missing codepage or helper program, or other errorIn some cases useful info are found in Syslog-tryDMESG | Tail or soAfter searching the internet, an elder brother gave a reply, saying it was because there was no formatting, and then I ran to format:Mk
One: Eliminate the shellThere are three styles of ringtones: none, Visible,(1) To eliminate the shell alarm sound, is to press the TAB key is not the sound:Add a line to the/ETC/INPUTRC: (I tried it in RedHat9.0)Set Bell-style NoneSave and restart the system.II: Elimination of VI(1) Interim plansudo rmmod PCSPKRFor Debian/ubuntu users, just open your terminal and run the above command. For Centos/redhat/rhel/fedora Linux users, you need to log in as root and execute Rmmod PCSPKR(2) Plan once and
theoretically increase the disk read/write speed by 30%.
STEP1: After clicking on the Boot menu, select the "Run" column in the menu. Type "regedit" in the entry box in the Run column and enter the Registry Editor.
Enter "regedit"
STEP2: After opening Registry Editor, enter the "HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICESMSAHCI" key value. Double-click the item named "Start" in the right window to pop up a dialog box that changes the default parameter from 3 to 0. Click OK and then res
HDD partitioning scheme when installing UbuntuHttp://www.cnblogs.com/shenliang123/p/3196743.htmlIf you are going to install only one Ubuntu operating system on your hard drive, it is recommended that you adopt a three-partition scheme: "/", "swap", and "/home"./: 10GB-15GB.Swap: Physical memory is less than or equal to 512MB, it is recommended to allocate the actual physical memory capacity of twice times the size of swap, physical memory is greater t
this point, Yasuteru This tutorial, reinstall the GRUB2 from the USB drive.A second problem was encountered after rebooting: Minimal bash ..... After rebooting or stuck in grub, this time shows the Minimal BASH like line editing is supported. for the first word, TAB lists possible command completions. anywhere else TAB lists possible device or file completions. fix: follow this tutorial.Note that the above two tutorials refer to the first aid system that is started with the live CD, which is th
500M SWQP/dev/sda3 20G//dev/sda5 12g/var/dev/sda6 265g/homeMount#mount/dev/sda3/mnt#mkdir/mnt/boot#mount/dev/sda1/mnt/boot#mkdir/mnt/var#mount/dev/sda5/mnt/var#mkdir/mnt/home#mount/dev/sda6/mnt/home5) Vi/etc/pacman.d/mirrorlistserver=http://mirrors.ustc.edu.cn/archlinux/$repo/os/$archOther sources can be used and must be forced to refresh after modification#pacman-syy6) Installation#pacstrap/mnt Base Base-devel7) Generate Fstab#genfstab-u-p/mnt >>/mnt/etc/fstab8) cut to new system#arch-chroot/m
function to make the brief explanation, thus we can understand, to the hard disk's very large part work, by the hard disk controller can complete. And for floppy disk, its controller is much simpler, we need to program to complete various functions, so the floppy disk driver becomes more complex. Here we only discuss the hard drive driver.
2. Implementation of HDD driver in Linux
The driver that we're going to talk about in Drivers/ide/hd.c, in the f
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