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))’
Restore default security settings for Windows folder
secedit /configure /cfg %windir%\inf\defltbase.inf /db defltbase.sdb /verbose