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miscscripts [2022/05/11 00:43]
dwheele [List connected USB devices] 		miscscripts [2023/01/21 18:13] (current)
dwheele [Partition and Format GPT]
Line 4: Line 4:
  
    # fdisk -l    # fdisk -l
 +   
 +==== findmnt ====
 +
 +Detailed listing of mounts, mount points, and child directories.
 +
 +  > findmnt
 +
  
 ==== List USB drives, mounted and unmounted ==== ==== List USB drives, mounted and unmounted ====
Line 22: Line 29:
  
    $ usb-devices    $ usb-devices
 +   
 +==== Look at label of drive ====
 +
 +    # e2label /dev/sda1 
 +    
 +Change label    
 +    
 +    # e2label /dev/sda1 Boot
 +    
 +
 +
        
 From the /etc/fstab file: From the /etc/fstab file:
  
-  Use 'blkid' to print the universally unique identifier for a device; this may be used with UUID= as a more robust way to name devices that works even if disks are added and removed. See fstab(5).+  # blkid 
 + 
 +  Use 'blkid' to print the universally unique identifier for a device;  
 +  this may be used with UUID= as a more robust way to name devices that  
 +  works even if disks are added and removed. See fstab(5).
  
 ==== dmesg - print or control the kernel ring buffer ==== ==== dmesg - print or control the kernel ring buffer ====
Line 38: Line 60:
     # mount /dev/sdc1 /mnt/usb-drive/     # mount /dev/sdc1 /mnt/usb-drive/
          
-==== Partition and Format GPT ====+==== Partition GPT with gdisk ==== 
 + 
 +    # gdisk /dev/sdc 
 +     
 + 
 +==== Partition and Format GPT with PARTED ==== 
 + 
 +This is somewhat difficult to use because the mkpart command sometimes gives alignment errors. 
  
     $ sudo parted /dev/sdd     $ sudo parted /dev/sdd
Line 59: Line 88:
  
     # mkfs.ext4 -L offsitebackup /dev/sdd1     # mkfs.ext4 -L offsitebackup /dev/sdd1
 +
  
 ==== Mount for Test Use ==== ==== Mount for Test Use ====
Line 71: Line 101:
    sudo dd if=/path/to.iso of=/dev/sdb bs=16M    sudo dd if=/path/to.iso of=/dev/sdb bs=16M
  
 +==== Mount to NTFS Drive with permissions for specific user and group ====
  
 +NTFS does not have Linux-compatible permissions, so when you mount with a normal NTFS connection, you have wide-open permissions. To make the NTFS drive look like it has a specific owner and group, use something like this:
 +
 +   mount -o uid=userid,gid=groupid,dmask=022,fmask=133 /path/to/disk /mnt 
 +   
 +https://unix.stackexchange.com/questions/604674/chmod-is-not-working-on-ntfs-3g-partition
 ===== rdfind ===== ===== rdfind =====
  
Line 81: Line 117:
   sudo rdfind -n true /var/nas/backup /var/archive/backup   sudo rdfind -n true /var/nas/backup /var/archive/backup
      
-  +===== Remove empty directories ===== 
 + 
 +  find /path/to/dir -empty -type d -delete 
 + 
 +===== Remove empty files ===== 
 + 
 +  find /path/to/dir -empty -type f -delete 
 + 
miscscripts.1652229789.txt.gz · Last modified: 2022/05/11 00:43 by dwheele

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