Files

Introduction In some circunstances it’s not easy to know the commands which exist to compress or decompress files in Linux (and Unix) environments. In this posts, I have wrote all the commands I have used for this. File Types TAR files Pack: tar -cvf file.tar file1 file2 file3 Unpack: tar -xvf file.tar See content: tar -tf file.tar GZ files Compress: gzip -9 file Decompress: gzip -d file BZ2 files Compress: bzip2 file Decompress: bzip -d file.bz2 TGZ (or TAR.GZ) files (TAR+GZIP) Compress+Pack: tar -czf file.tgz file1 file2 file3 Decompress+Unpack: tar -xvzf file.tgz See content: tar -tzf file.tgz TAR.BZ2 files (TAR+BZIP) Compress+Pack: tar -c files | bzip2 > fileo.tar.bz2 Decompress+Unpack: bzip2 -cd file.tar.bz2 | tar -xv See content: bzip2 -cd file.tar.bz2 | tar -t ZIP files Compress+Pack: zip file.zip file1 file2 file3 Decompress+Unpack: unzip file.zip RAR files Compress+Pack: rar -a file.rar file1 file2 file3 Decompress+Unpack: rar -x file.rar See content: rar -l file.rar

By default, Ubuntu desktop installation will provide DNS resolving configured, however in Ubuntu server installation avahi-daemon (or mdnsresponder) is needed to be installed to provide local LAN DNS resolution. In my case, i found the error “Temporary failure in name resolution” when I tried to resolve a machine of my LAN from Ubuntu. yvoictra@zoar:~$ ping erie.local ping: erie.local: Temporary failure in name resolution To solve this issue, there is no need to install a DNS server in the LAN. We can use the mDNS (Multicast Domain Name System) protocol. This protocol is used to resolve host names in a small network (LAN). The mDNS service can be contacted using UDP queries over port 5353. The mDNS protocol is published as RFC6762 and implemented by the Apple Bonjour and avahi-daemon services. ...