Comment by Brian on Can't identify where SQL backups are being initiated from
Looks like SQL Server managed backup to Microsoft Azure is configured.
View ArticleComment by Brian on Windows Server 2019 Essentials: not activated and not...
@Gordon None of the 3 limitations listed prevent joining the domain.
View ArticleComment by Brian on Apache daily logrotate
@Hardoman The examples are from the documentation: rotatelogs - Piped logging program to rotate Apache logs
View ArticleComment by Brian on Windows Disk Event 11: 'The driver detected a controller...
Seeing the same here. It also appears to go away when anti-virus (Sophos in our case) is turned off.
View ArticleComment by Brian on RDP session zero or /admin or /console to have a parallel...
The group policy is still there (Computer Configuration -> Administrative Templates -> Windows Components -> Remote Desktop Services -> Remote Desktop Session Host -> Connections) policy...
View ArticleComment by Brian on E-mail servers keep being blacklisted by Spamhaus
Review all the emails you are sending and not just the content - all user visible headers and text. As an example I have seen some spammers create fake accounts using a target's email address and put...
View ArticleComment by Brian on Azure REST API rate limits - using Azure DNS for dynamic...
I would suggest just doing a regular DNS query instead of using the Azure REST API to check if an update is needed. Would be an order of magnitude fewer calls to the API.
View ArticleComment by Brian on Mounting Windows Share from Ubuntu
Look in /var/log/syslog and /var/log/kern.log for any other messages related to CIFS or authentication/protocol negotiation around the time the error is returned.
View ArticleComment by Brian on AIX 7.1/ AIX 7.2 filesystem not persistently mounted...
Would suggest adding check=true to the entry in /etc/filesystems.
View ArticleComment by Brian on zfs pool with slow speed on SAS drive with high latency
Looks like you have ~ 1 and 1/2 hours to go before resilver is done.
View ArticleComment by Brian on Server host key changing frequently
That pattern suggests you are connecting to more than one backend server. For example, two DNS entries for the same domain and the two servers pointed to do not have the same SSH host keys. Or...
View ArticleAnswer by Brian for Making changes to default IPv6 route persistent in CentOS 7
One place you can put it is in the /sbin/ifup-local file which is run when an interface comes up. #!/bin/shif [[ "$1" == "eth0" ]]then ip -6 route del default ip -6 route add default via...
View ArticleAnswer by Brian for Robocopy Invalid Parameter /BYTES
You likely have an old version in a directory listed in your path before C:\Windows\System32\ which is where robocopy is normally located. To find out where your copy is running from run where...
View ArticleAnswer by Brian for missing mod_ssl.so for lighttpd
Delete that line from your modules list.SSL support is compiled into lighttpd and is not a separate module.If your version has this support compiled in the output of lighttpd -v will include...
View ArticleAnswer by Brian for Windows Server 2008R2 crash every hour
When a 180 day trial Windows Server 2008R2 license expires it will start rebooting every hour. http://support.microsoft.com/kb/2021579You should also see in your log:Log Name: ApplicationSource:...
View ArticleAnswer by Brian for How to measure context switching overhead on windows?
Performance Monitor can be used to see the % processor time and # of context switches. The context switch counts are available in either:System\Context Switches/sec counter reports system wide context...
View ArticleAnswer by Brian for SQL 2008 developers edition functionality
The Developer edition is a specially licensed (can't use it in a production environment) copy of the SQL Server 2008 Enterprise Edition. It costs a negligible amount of money compared to the real...
View ArticleAnswer by Brian for Using IPs for websites also for their name servers
Most domain name registrars will host some DNS records for you.Unless you make a lot of changes to the records and want to use your own control panel, custom scripts or hand editing of configuration...
View ArticleAnswer by Brian for top is only showing current user processes
One possibility is /proc mounted with either hidepid=1 or hidepid=2. This mount option was added in latter Linux kernels and back ported sometime around CentOS 5.9 and 6.3. Mount options The proc...
View ArticleAnswer by Brian for Duplicate iptable rules
List with line numbers and delete by number.iptables --line-numbers --listThen delete one rule using it's line number. Then repeat (line numbers change for following rules when one is deleted so...
View ArticleAnswer by Brian for Exclude a MAC address from the Hyper-V address pool
Probably easier to just change the MAC address range (pool) to something else that doesn't include the address in question. Microsoft has set aside 00-15-5D-* for hyper-V so change a part past that. So...
View ArticleAnswer by Brian for How can I combine two commands to tally data from...
Can use zgrep which will decompress if necessary and therefore works with both straight text and compressed input. As well grep/zgrep can process multiple files directly which is needed in this case...
View ArticleAnswer by Brian for What is the difference between Errors , Dropped ,...
On Linux ifconfig gets the raw data statistics from /proc/net/dev. The values there (with ifconfig destination in brackets added) are described by an article Exploring the /proc/net/ Directory as:errs...
View ArticleAnswer by Brian for What is "Maximum Client Connections" on Remote Access...
Most concurrent connections reached.
View ArticleAnswer by Brian for Restoring SBS 2011 backup files without another server?
The backup wizard in the SBS console uses the native Windows Server Backup utility underneath. So you need another server but it does not have to be SBS 2011. From a technet article Introducing the...
View ArticleAnswer by Brian for Win7 pro stuck on welcome screen when logging in to the...
You can enable more detailed status messages on the Welcome screen using a group policy. Then you can tell which step is taking an excessively long time. Computer Configuration -> Administrative...
View ArticleAnswer by Brian for DNS Issues from domain dns health report
The name servers listed in the domain registration still point to GoDaddy name servers. Update the domain registration information to point to the OVH name servers. Currently the root .com name servers...
View ArticleAnswer by Brian for Does disabling VT-d and interrupt remapping break MSI-X?
Yes. MSI-X needs interrupt remapping enabled to fully work.From a Intel PDF:Intel® Virtualization Technology for Directed I/OArchitecture SpecificationOctober 20145.1 Interrupt RemappingThe...
View ArticleAnswer by Brian for How to find the initial values of TTL for your current...
Packets sent to localhost don't go over any hops so the ttl shown will be the starting value.Windows 10C:\>ping -4 localhost Pinging Win10Main [127.0.0.1] with 32 bytes of data:Reply from 127.0.0.1:...
View ArticleAnswer by Brian for In windows server 2008, how do I disable recursive dns...
By default the DNS server listens on all interfaces / IP addresses. Most DNS servers set to allow recursive queries should not be listening on a public interface / IP address. Doing so allows them to...
View ArticleAnswer by Brian for LACP and Loadbalancing?
Two basic things to keep in mind:Traffic is distributed packet by packetAll packets associated with a given “conversation” aretransmitted on the same link to prevent mis-orderingThat second point has...
View ArticleAnswer by Brian for CentOS7: Run Fail2Ban on existing log with new regex
Older versions reprocessed the log on restart. Newer versions store the last log-file position to a sqlite db. When the check sum of up to the first line not modified matches what was stored it won't...
View ArticleAnswer by Brian for extend the tmpfs file system
From the man page for mount (scroll down a lot):Mount options for tmpfs size=nbytes Override default maximum size of the filesystem. The size is given in bytes, and rounded up to entire pages. The...
View ArticleAnswer by Brian for Where is the response size in Squid's access.log?
The native log format is:"%9d.%03d %6d %s %s/%03d %d %s %s %s %s%s/%s %s"With the 5th part (%d after %s/%03d) being:bytes The size is the amount of data delivered to the client. Mind that this does not...
View ArticleAnswer by Brian for What is bottlenecking my SMB share?
Samba is single threaded. This often means being CPU bound depending on what options are selected / enabled. Chapter 3. Samba Architecture
View ArticleAnswer by Brian for Using Robocopy to search and copy directories using...
An example of a dir used in a FOR loop with how to change the drive letter when outputting it:FOR /F "usebackq delims==" %i IN (`dir /s /a:d /b c:\workspace\workInProgress*`) DO @echo "c:%~pi""d:%~pi"
View ArticleAnswer by Brian for Cannot disable IPv6 components on exchange server without...
Instead of disabling ipv6 another option is to modify the prefix policies so IPv4 addresses are used over IPv6 when available. C:\>netsh interface ipv6 show prefixpoliciesQuerying active state......
View ArticleAnswer by Brian for recognize bash variable inside a text file
One option is to use sed to edit the files. This lets you limit what variables get filled in.This will fill in template.txt and output it to filled.txt:sed -e "s/\$HOSTNAME/$HOSTNAME/" -e...
View ArticleAnswer by Brian for How to remove a yum repo GPG key?
Using rpm you can list keys and remove them.[root@apps2 ~]# rpm -q gpg-pubkey --qf '%{NAME}-%{VERSION}-%{RELEASE}\t%{SUMMARY}\n'gpg-pubkey-f4a80eb5-53a7ff4b gpg(CentOS-7 Key (CentOS 7 Official Signing...
View ArticleAnswer by Brian for ktpass command "WARNING: The Key version used by Windows...
The key version number (KVNO) is basically incremented when the password changes and helps catch out of sync data when they don't match. The file format your exporting to limits it to one byte so the...
View ArticleAnswer by Brian for How do I enable the WIFI radio of an HP ProCurve 420ww...
From the FAQ you linked it has to bet set and saved:Q: How do I set the Country Code to enable the radio?The correct Country Code must be set for the country in which you operate the access point so...
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