lpic2

Which of the following commands erases the contents of the /dev/sdb3 partition?. rm /dev/sdb3. dd if=/dev/zero of=/dev/sdb3. dd of=/dev/zero if=/dev/sdb3. umount /dev/sdb3.

Which of the following files will be looked for and used by GNU make, if one of them exists, unless a different file is specified on the command line when trying to compile software from source code? (Choose two.). configure. config.h.in. makefile. Makefile. Makefile.in.

What command is used to send messages to all users currently logged in? (Specify ONLY the command without any path or parameters.).

Which of the following commands restores only those files containing lpi in their name from the archive lpifiles.tar.gz?. tar xvzf lpifiles.tar.gz --wildcards "˜*lpi*'. tar xvzwf lpifiles.tar.gz "˜*lpi*'. tar -xvfz lpifiles.tar.gz --deep "˜*lpi*'. tar -xvzf lpifiles.tar.gz --subdirs "˜*lpi*'. tar xvzf lpifiles.tar.gz --globbing "˜*lpi*'.

A regular user has just run - ./configure && make && make install to build and install a program. However, the installation fails. What could be done to install the program? (Choose two.). Install the binaries manually with suinstall. Run make install with root privileges. Do not run ./configure in order to maintain the default configuration for correct installation. Rerun ./configure with a --prefix option where the user has permissions to write. Run make install_local to install into /usr/local/.

The following command has just been run successfully: Cd /opt; tar xvf /dev/nst0; What will happen if the command sequence is run again?. An error saying that there is no tape present is generated because the tape has been ejected after being used. The contents of /opt will be restored again. The entire contents of /opt will be replaced with the contents of the next file on the tape. The contents of /opt will have additional content added from the next file on the tape.

What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.).

Which single command simulates a failed device within a RAID 5 array?. mdadm --remove /dev/md0 /dev/sdd1. mdadm --zero-superblock /dev/sdf3. mdadm --force-fault /dev/md2 /dev/sde2. mdadm --fail /dev/md0 /dev/sdc1. mdadm /dev/md0 --offline /dev/sdc1.