News
Exchange 2010 + allow users to manage contacts
Copy-pasted from: http://blogs.technet.com/b/rmilne/archive/2013/08/07/creating-rbac-role-to-delegate-contact-management.aspx Building Blocks We will need to permit: Management of Distribution Groups in Active Directory Creation and management of Mail Enabled Contacts in Active Directory Management toolset to manage the above Management of Distribution Groups Exchange 2010 does not allow a user to manage groups that they own by default. All of the […]
Winn8.1(and other) + F5 vpn client + cannot connect + you should change your network settings
Just reset WAN Miniport controllers: Netcfg -u MS_L2TP Netcfg -u MS_PPTP Netcfg -l %windir%\inf\netrast.inf -c p -i MS_PPTP Netcfg -l %windir%\inf\netrast.inf -c p -i MS_L2TP
Manage DL from Outlook + fix
Add-ADPermission –identity “YourDistributionGroup” –User “YourUser” –AccessRights WriteProperty –Properties “Member”
Mozilla Thunderbird + strange behaviour
I got the strange behaviour of Thunderbird: couldn’t open list of letters in the same window, couldn’t create a new letter and so on. Resolved this way: Go to %Appdata%\Roaming\Thunderbird\Profiles\Your Profile and delete all except: Folders: Mail, Imap Mail; Files: key3, abook, prefs, signons. Start Thunderbird again – done.
Windows server 2012 + Shadow session issue
I got the strange behaviour after installing updates. When I connected to a user session and then disconnected the user couldn’t switch languages and the lang.panel disappeared. Resolved such way: Control Panel\All Control Panel Items\Language\Advanced settings\Let me set a different input method for each app window – put a tick. MS brought head ake as […]
NPS + regex
Some notice for using regex in NPS policies. I tried to filter users by a tab: Constraints – Called Station ID with regex: ^.+:MyAP But it didn’t work. So I used the same filter in a tab: Conditions – Called Station ID with regex: ^.+:MyAP Then it started to work.
Tcpdump examples
See the list of interfaces on which tcpdump can listen: tcpdump -D Listen on interface eth0: tcpdump -i eth0 Listen on any available interface (cannot be done in promiscuous mode. Requires Linux kernel 2.2 or greater): tcpdump -i any Be verbose while capturing packets: tcpdump -v Be more verbose while capturing packets: tcpdump -vv Be […]
My case: arplookup 0.0.0.0 failed: host is not on local network
I got strange messages in log: kernel: arplookup 0.0.0.0 failed: host is not on local network. When I tried to resolve it for the first time different people in different blogs wrote that it’ok – don’t mind about it. Someone adviced turning off the arp logging but I didn’t want. I decided to inspect this […]
Monitoring HDDs in ESXi with MegaRAID
Download MegaRAID SAS VMware SMIS Provider VIB from the Support & Downloads tab on this page. Enable SSH on my ESXi host. This involved the following steps: Go to the Configuration tab for the host in vSphere Client Select “Security Profile” under Software Click the “Properties…” hyperlink next to Services Click on “SSH” in the […]
DHCP debugging with tcpdump
http://sysadmin.wikia.com/wiki/DHCP_debugging_with_tcpdump tcpdump filter to match DHCP packets including a specific Client MAC Address: tcpdump -i br0 -vvv -s 1500 ‘((port 67 or port 68) and (udp[38:4] = 0x3e0ccf08))’ tcpdump filter to capture packets sent by the client (DISCOVER, REQUEST, INFORM): tcpdump -i br0 -vvv -s 1500 ‘((port 67 or port 68) and (udp[8:1] = 0x1))’