I am trying to add space to my root partition and am really not sure the safest way to go about it.  I have read this thread, Can I resize the root partition without uninstalling and reinstalling Linux (or losing data)?  but I don't think the information lines up with my system.Any help would be througholy appreciated.  Also, in that post, F1234K asked for recommendations on good reading to learn this stuff, but no one replied to it.  I would also be very interested in some learning material on the subject.Thanks!edit: I should add that my goal is to take 20 gb from sdb6 and put it in sdb1. sdb6 is a logical volume of sdb2.sudo fdisk -lDisk /dev/sdb: 750.2 GB, 750156374016 bytes255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x0000babf   Device     Boot      Start         End      Blocks   Id  System/dev/sdb1   *        2048    19531775     9764864   83  Linux/dev/sdb2        19533822  1465147391   722806785    5  Extended/dev/sdb5        19533824    76765183    28615680   82  Linux swap / Solaris/dev/sdb6        76767232  1465147391   694190080   83  LinuxDisk /dev/sda: 1000.2 GB, 1000200658432 bytes255 heads, 63 sectors/track, 121600 cylinders, total 1953516911 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x000a9997Device Boot      Start         End      Blocks   Id  System/dev/sda1            2048  1953515519   976756736   83  LinuxDisk /dev/sdc: 500.1 GB, 500107862016 bytes255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x927a1713Device Boot      Start         End      Blocks   Id  System/dev/sdc1   *        2048      206847      102400    7  HPFS/NTFS/exFAT/dev/sdc2          206848   976771071   488282112    7  HPFS/NTFS/exFATWARNING: GPT (GUID Partition Table) detected on '/dev/sdd'! The util fdisk doesn't support GPT. Use GNU Parted.Disk /dev/sdd: 999.5 GB, 999501594624 bytes256 heads, 63 sectors/track, 121041 cylinders, total 1952151552 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x809da6bcDevice Boot      Start         End      Blocks   Id  System/dev/sdd1               1  4294967295  2147483647+  ee  GPTdf -hFilesystem                                              Size  Used Avail Use% Mounted onrootfs                                                  9.2G  8.8G     0 100% /udev                                                     10M     0   10M   0% /devtmpfs                                                   2.4G  896K  2.4G   1% /run/dev/disk/by-uuid/d7968f08-4108-4382-a585-0b4a3850ec63  9.2G  8.8G     0 100% /tmpfs                                                   5.0M     0  5.0M   0% /run/locktmpfs                                                    11G  692K   11G   1% /run/shm/dev/sdb6                                               652G  581G   39G  94% /home/dev/sr0                                                4.4G  4.4G     0 100% /media/cdrom0/dev/sr1                                                354M  354M     0 100% /media/cdrom1/dev/sdd2                                               931G  759G  173G  82% /media/zacharydimariamountsysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=3091362,mode=755)devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=2474360k,mode=755)/dev/disk/by-uuid/d7968f08-4108-4382-a585-0b4a3850ec63 on / type ext4 (rw,relatime,errors=remount-ro,user_xattr,barrier=1,data=ordered)tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=10671840k)/dev/sdb6 on /home type ext4 (rw,relatime,user_xattr,barrier=1,data=ordered)rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)/dev/sr0 on /media/cdrom0 type udf (ro,nosuid,nodev,noexec,relatime,utf8,user=zachary)/dev/sr1 on /media/cdrom1 type udf (ro,nosuid,nodev,noexec,relatime,utf8,user=zachary)/dev/sdd2 on /media/zacharydimaria type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)pvdisplay does not return anything.edit: cat etc/fstab# /etc/fstab: static file system information.## 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).## <file system> <mount point>   <type>  <options>       <dump>  <pass># / was on /dev/sdb1 during installationUUID=d7968f08-4108-4382-a585-0b4a3850ec63 /               ext4    errors=remount-ro 0       1# /home was on /dev/sdb6 during installationUUID=ec5e593e-a36f-4b88-b210-8666128b4bf1 /home           ext4    defaults        0       2# swap was on /dev/sdb5 during installationUUID=4525d76b-dd14-48e4-b60d-dffee5b08245 none            swap    sw              0       0/dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0/dev/sr1        /media/cdrom1   udf,iso9660 user,noauto     0       0
How can I resize my root partition in Debian?
linux;debian;partition;root;lvm
If done carefully, you can use gparted to resize your partitions safely.You should boot to a live image since you can't resize mounted partitions, and make sure you have a valid back up of your data!!