Are there any convenient public, globally routable test addresses for IPv6? Similar to how 8.8.8.8 and 8.8.4.4 tend to get used this way for IPv4? Asked by MikeyB The shortest I’ve seen is www.sprint.net (2600::). Answered by Gerald Combs Check more discussion of this question. Bookmark on Delicious Digg this post Recommend on Facebook share via Reddit Share with Stumblers Tweet about it Print for later Bookmark in Browser Tell a friend

I’m not quite sure if this is possible or not, but I need to force a certain security group’s users to have their passwords expire so they’ll be forced to change them on next login. The reason for this is because I applied a FGPP (password policy) to this particular group in order to enforce strong passwords. Well, many users have really weak passwords and they won’t be changed unless they’re forced. Is there a [...]

We have a web tier where once in a while a web node will slam our data nodes(plural) and if we could see the MB/second coming into that machine on all sockets or on individual sockets, we could immediately know which web node started to have a huge influx of doing stuff. This would be great for our monitoring capability. Is there way to see a machines “current” MB/s intake? I do not want to [...]

Normally, where I have a customer with a SBS, I use its DNS to resolve internal names and then forward to the external DNS if the internal cannot DNS cannot resolve the address. Recently, at a customer site the parent company installed a new Cisco PIX router and took over the DHCP functions. They have changed the config on the clients to use the primary DNS to resolve internal names and the secondary DNS to [...]

When I read man zfs for zfs receive I see -F Force a rollback of the file system to the most recent snap- shot before performing the receive operation. If receiving an incremental replication stream (for example, one generated by “zfs send -R -Fi -iI”), destroy snapshots and file systems that do not exist on the sending side. but I don’t quite understand what -F actually will do. If I zfs receive tank/pool then the [...]

My Alfresco server suddenly stopped booting and gave me this message upon bootup: ACPI: Getting cpuindex for acpiid 0×5 ACPI: Getting cpuindex for acpiid 0×6 ACPI: Getting cpuindex for acpiid 0×7 Red Hat nash version 5.1.19.6 starting Reading all physical volumes. This may take a while… Found volume group “VolGroup00″ using metadata type lvm2 3 logical volume(s) in volume group “VolGroup00″ now active ata1.00: exception Emask 0×0 SAct 0×0 SErr 0×0 action 0×0 ata1.00: BMDMA [...]

I’m receiving this weird error: service iptables start iptables: Applying firewall rules: iptables-restore v1.4.7: Couldn’t load match `TCP’:/lib64/xtables-1.4.7/libipt_TCP.so: cannot open shared object file: No such file or directory Error occurred at line: 18 Try `iptables-restore -h’ or ‘iptables-restore –help’ for more information. [FAILED] I’ve changed the rule file from the FTP. The rule file follows: # Firewall configuration written by system-config-securitylevel # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD [...]

Doing my first server to iSCSI target and I thought i would be off to a running start by teaming my NIC on the server (conventional 802.3ad team). However, from many online sources I see this is NOT recommended and MPIO should be used instead (there was no specific sizing in this recommendation and seemed to apply from a 3 node cluster to large clusters of tens of nodes and above). I know MPIO is [...]

I am using Red Hat Enterprise 6.3 and I have just mounted a new volume in one folder of my preference. After reboot that mount point was lost and the volume was mounted at his original place. In which place I can set my mount call so that I can have my volume always at the same place? Do I have to look at init.d or is there a better place? Asked by Abruzzo Forte [...]

I’m using below command to transfer files cross server scp -rc blowfish /source/directory/* username@domain.net:/destination/directory Is there a way to transfer only files modified files just like update command for cp? Asked by Jae Choi rsync is your friend. rsync -ru /source/directory/* username@domain.net:/destination/directory If you want it to delete files at the destination that no longer exist at the source, add the –delete option. Answered by Flup Check more discussion of this question. Bookmark on Delicious [...]