It often happens that I need to check a certain SMTP and POP3 connections. Whether it is the user credentials or the authentication methods. Using telnet is one method, but you have to make sure you don’t make typos while you are in the session. A much easier approach is to use a GUI tool [...]
When trying to delete a datastore you get following error message Call “HostDatastoreSystem.RemoveDatastore” for object “ha-datastoresystem” on ESXi Checked that all VMs are deleted, no ISO images are being referenced from any VM, but the problem still persisted. After checking the logs, I found this error message: ValidateLayout: Invalid block boundaries: curStart: 522 prevEnd: 522 [...]
There is a nice tool called netperf to measure the network throughput. There is a port for Windows available here and it is very easy to use: On the server side start: cd c:\downloads\netperf\ netserver.exe On the client side start: cd c:\downloads\netperf\ netclient.exe -H <IP.OF.SERVER> You can find more info over here. Link Summaryhttp://www.netperf.org/http://www.chriswolf.com/download/netperf.ziphttp://mcpmag.com/art…ottleneck-battle.aspx
Install pptp package apt-get install pptpd Edit pptp.conf nano /etc/pptpd.conf Add the ip address which the server should hand out to the dialing in client: localip 192.168.10.1 remoteip 192.168.10.101-200 Enable ip forwarding nano /etc/sysctl.conf net.ipv4.ip_forward=1 Add credentials for dial-in: nano /etc/ppp/chap-secrets dialin_user pptpd dialin_password * Add to firewall iptables -A INPUT -p tcp –dport 1723 [...]
Preperation Prerequisites: your phone has to be rooted USB drivers installed on your Windows machine the Android SDK charge your phone to 100% otherwise you can get into serious troubles ADBRecovery.zip Then… Extract ADBRecovery.zip everything in the folder “in_sd_root” has to be moved to the root of your SD card. Make sure you do *not* [...]
After entering your password Windows XP logs you off. You can see briefly how it tries to log on, then loads your settings, logs you off and saves your settings. This is usually caused by malware, which change the userinit.exe file in Windows. There are multiple workarounds where you have to restore the userinit.exe file [...]
If you want to log all file accesses start the terminal, switch to root-user and type fs_usage -w -f filesys > cap.txt Every file access will be logged to cap.txt. You can grep, view edit for post analysis.
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I have had the issue that after suspending a certain VM the disk activity would go up after a few minutes. Quite annoying because the system was almost unusable. Kind of like it was doing some defragmentation. After a few minutes of researching (a.k.a googling ) I came across this thread on the VMWare user [...]
From the client you have to build an SSH tunnel forwarding ports 443, 902, 903. Make sure you are *not* forwarding from 127.0.0.1 (since according to this posting on the VMware forums) this seems to have a special meaning when using the VMWare client, instead use 127.0.0.2. In this example the server’s IP address is [...]