You can use the hooks that are provided by the DHCP client to create and maintain the hostname entry in the DNS server. During the DHCP cycle, the client executes the scripts in/etc/dhcp/dhclient-exit-hooks.d/. You can use the hooks to register the new IP address by usingnsupdate. Fo...
The append>>operator adds the output to the existing content instead of overwriting it. This allows you to redirect the output from multiple commands to a single file. For example, I could redirect the output ofdateby using the>operator and then redirecthostnameanduname -rto thespecifications.t...
CURRENT_HOSTNAME=`cat/etc/hostname |tr-d" \t\n\r"` NEW_HOSTNAME=$(whiptail --inputbox"Please enter a hostname"20 60"$CURRENT_HOSTNAME"3>&1 1>&2 2>&3)if[ $? -eq 0 ];thenecho$NEW_HOSTNAME> /etc/hostname sed -i"s/127.0.1.1.*$CURRENT_HOSTNAME/127.0.1.1\t$NEW_HOSTNAME...
0 Expands to the name of the shell or shell script. This is set at shell initialization. If bash is invoked with a file of commands, $0 is set to the name of that file. If bash is started with the -c option, then $0 is set to the first argument after the string to be executed...
A simple bash script to send an email Here’s a simple example of a bash script that will send an email message to an identified email address. In the script above, the address is the default UNIX/Linux hostname used for logging in. Thus, it serves as the sender’s address. For exam...
报错:-bash: pstree: command not found 解决:yum -y install psmisc,这个工具包 包含了:pstree、killall、fuser三个命令 4、centoa7中未安装lsb_release命令 解决:1)查询程序包:yum provides */lsb_release 2)安装:yum install redhat-lsb-core-4.1-27.el7.centos.1.x86_64 -y ...
Usage: ftpdump [OPTIONS] HOSTNAME|IP_ADDRESS[:PORT] 1) Insert a disc and install the game. Optional: visit orbispatches.com to download and install a game patch compatible with your firmware. 2) Start a PS4 FTP server (recommended: https://github.com/hippie68/ps4-ftp). 3) Press the...
The scp command is used to copy files and directories from system to system, via a network, in a secure way. The syntax is:scp [option] [source username@IP]:/[directory and file name] [destination username@IP]:/[destination directory]Take out the IP address and hostname for a local ...
the username in the default prompt fish_color_host¶ the hostname in the default prompt fish_color_host_remote¶ the hostname in the default prompt for remote sessions (like ssh) fish_color_status¶ the last command’s nonzero exit code in the default prompt ...
Configure VM hostname Update packages in a VM Add a user on a VM Configure swapfile Run existing bash script Create Linux images without a provisioning agent Disable Linux Agent provisioning Windows custom images VM Image Builder Build image with Packer Capture a legacy managed image Dedicated host...