Dhclient Error Messages

] [ -g relay ] [ -n ] [ -nw ] [ -w ]

Dhclient Example

[ -x ] [ if0 [ ...ifN ] ] DESCRIPTION The Internet dhclient.conf example Systems Consortium DHCP Client, dhclient, provides a means for configuring one or more network interfaces using the Dynamic Host

Dhclient Config File

Configuration Protocol, BOOTP protocol, or if these protocols fail, by statically assigning an address. OPERATION The DHCP protocol allows a host to contact a central server which main- tains a linux dhclient renew list of IP addresses which may be assigned on one or more sub- nets. A DHCP client may request an address from this pool, and then use it on a temporary basis for communication on network. The DHCP protocol also provides a mechanism whereby a client can learn important details about the network to which it is attached, such as the dhclient timeout location of a default router, the location of a name server, and so on. On startup, dhclient reads the dhclient.conf for configuration instruc- tions. It then gets a list of all the network interfaces that are configured in the current system. For each interface, it attempts to configure the interface using the DHCP protocol. In order to keep track of leases across system reboots and server restarts, dhclient keeps a list of leases it has been assigned in the dhclient.leases(5) file. On startup, after reading the dhclient.conf file, dhclient reads the dhclient.leases file to refresh its memory about what leases it has been assigned. When a new lease is acquired, it is appended to the end of the dhclient.leases file. In order to prevent the file from becoming arbitrarily large, from time to time dhclient creates a new dhclient.leases file from its in-core lease database. The old version of the dhclient.leases file is retained under the name dhclient.leases~ until the next time dhclient rewrites the database. Old leases are kept around in case the DHCP server is unavailable when dhclient is firs

-x ] [ -lf lease-file ] [ -pf pid-file ]

Dhclient.leases Location

[ -cf config-file ] [ -sf script-file ] [ -s server ] [ -g dhclient.conf ubuntu relay ] [ -n ] [ -nc ] [ -nw ] [ -w ] [ -B ] [ -I dhcp-client-identifier ]

Dhclient-script

[ -H host-name ] [ -F fqdn.fqdn ] [ -V vendor-class-identifier ] [ -R request-option-list ] [ -timeout timeout ] [ -v ] [ --version ] [ if0 [ ...ifN ] ] Description The Internet http://linuxcommand.org/man_pages/dhclient8.html Systems Consortium DHCP Client, dhclient, provides a means for configuring one or more network interfaces using the Dynamic Host Configuration Protocol, BOOTP protocol, or if these protocols fail, by statically assigning an address. Operation The DHCP protocol allows a host to contact a central server which maintains a list of IP addresses which may be assigned on one or more subnets. A DHCP client may request an address from this https://linux.die.net/man/8/dhclient pool, and then use it on a temporary basis for communication on network. The DHCP protocol also provides a mechanism whereby a client can learn important details about the network to which it is attached, such as the location of a default router, the location of a name server, and so on. On startup, dhclient reads the dhclient.conf for configuration instructions. It then gets a list of all the network interfaces that are configured in the current system. For each interface, it attempts to configure the interface using the DHCP protocol. In order to keep track of leases across system reboots and server restarts, dhclient keeps a list of leases it has been assigned in the dhclient.leases(5) file. On startup, after reading the dhclient.conf file, dhclient reads the dhclient.leases file to refresh its memory about what leases it has been assigned. When a new lease is acquired, it is appended to the end of the dhclient.leases file. In order to prevent the file from becoming arbitrarily large, from time to time dhclient creates a new dhclient.leases file from its in-core lease database. The old version of the dhclient.leases file is retained under the name dhclient.leases~ until the next time dhclient rewrites the database. Old leases are kept aroun

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring http://unix.stackexchange.com/questions/257275/dhclient-prints-strange-error/257645 developers or posting ads with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top dhclient prints strange error up vote 1 down vote favorite Though dhclient error it looks like it does its job it prints following annoying output # dhclient -r eth0 reload: Unknown instance: invoke-rc.d: initscript smbd, action "reload" failed. # dhclient eth0 reload: Unknown instance: invoke-rc.d: initscript smbd, action "reload" failed. which I would like to fix. Linux Mint 17 Qiana linux-mint dhclient share|improve this question asked Jan 24 at 0:21 gumkins 1679 add a comment| 2 Answers 2 active oldest votes up vote 2 down vote accepted The man page for dhclient has this to dhclient error messages say about the -r flag -r Release the current lease and stop the running DHCP client as previously recorded in the PID file. When shutdown via this method dhclient-script will be executed [...] The interesting part here is the reference to dhclient-script. It turns out that this is a shell script (locate dhclient-script | xargs -n1 type -p). Perusing this script shows that it in turn references any files in the directory /etc/dhcp/dhclient-enter-hooks.d. One of the files there is called samba, which is also a shell script. Near the end of this script are these lines # reload the samba server # We don't necessarily have the samba package installed. #414841 [ -x /etc/init.d/smbd ] && /usr/sbin/invoke-rc.d smbd reload This checks that /etc/init.d/smbd is executable, and if so calls it with the reload parameter. One simple solution is to remove execute permission from this file (chmod a-x /etc/init.d/smbd), but any update to the Samba package will probably overwrite that change. A better solution may be to remove the Samba packages (the reload is probably failing because Samba isn't configured, so isn't running). share|improve this answer answered Jan 25 at 23:28 roaima 19.4k21953 add a comment| up vote 1 down vote I had a related error which disallowed me from getting a new dhcp lease (and therefor surf around the 'net); Job for smbd.service invalid. invoke-rc.d: initscript smbd, action "reload" failed. Running dhclient -r in this case resulted in a repeat of that