To view ACLs on a file: > getfacl file.txt To modify the ACL on a file: > setfacl -m user:rwx file.txt To recursively change an ACL: > setfacl -R -m user:rwx . To modify the default ACL for a directory: > setfacl -d -m user:rwx. See the getfacl and setfacl man pages for more information.
To display Ubuntu boot messages one time, do the following: Press “e” while the GRUB screen to select a kernel version is displayed. Edit the kernel line, again by pressing “e”, to remove any references to “quiet” – it is generally at the end of the line, with “splash”. Edit the fifth line, below the [...]
For errors similar to these: rpmdb: Program version 4.2 doesn’t match environment version error: db4 error(22) from dbenv->open: Invalid argument error: cannot open Packages index using db3 – Invalid argument (22) error: cannot open Packages database in /var/lib/rpm Do this: # rm -f /var/lib/rpm/__*