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Docker use 100% cpu in Mac OS Big Sur
Docker is running 100% cpu without any usage from running host. after updating setting of Full Disk Access, Docker is running correctly
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GNS3 to simulate Switch
GNS3 didn’t support Switch, it only supports Router, however, we could use router’s slot with NM-16ESW. there are some commands different with real switch, however it is enough to do simulate with Multiple Layer Switch (CCNP3) Lab.
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cisco router – ‘show’ command in IOS
show show run with filter text R1# show run | begin line vty show ip interface show ip interface brief show protocol show protocol show controllers show controllers serial 0/0/1 show version show version config interface config interface ip/speed/clock rate/duplex … Continue reading
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GNS – RIPv2 in router image using dynamips
I import Cisco 7200 and Cisco 3650 image into GNS to do this lab network schema R1, R2 10.1.1.1/28 R2, R3 10.1.2.1/28 R2, R3 10.1.3.1/28 PC1, R1 172.16.1.1/24 PC2, R2 172.17.1.1/24 PC3, R3 172.18.1.1/24 R1#conf t R1(config)#interface Ethernet 2/1 R1(config-if)#ip … Continue reading
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Mac OS Big Sur 11.2.3 – ifconfig to share vmware network and internet sharing
$ sudo ifconfig bridge100 172.16.196.1 netmask 255.255.255.0 $ sudo ifconfig bridge100 addm en0 addm en1
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portabledeviceapi.dll error – problem of Windows 10 upgrading to windows 8
after upgrading from windows 8.1 to windows 10, sometime, system will pop up windows dialog and said “There was a problem staring portabledeviceapi.dll”. The solution is: Open “Task Scheduler”, under ‘Task Scheduler Library’ having WPD. Delete SqmUpload….
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disable CompatTelTunner.exe
After Install Windows 10 Annual updated package. one progress named CompatTelTunner.exe takes 100% disk usage. Therefore, it has to been disabled to release some resource. You can disable the scheduled tasks that starts CompatTelTunner.exe by looking in the Task Scheduler. … Continue reading
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Show More Items on Jump Lists on Task bar
if you right click on icons on jump list, it will show you history item. you could pin some of items for normal use. to increase ‘recent item’ on task bar, right click on ‘Task bar’ and select ‘Property’. in … Continue reading
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Configure Ftp server on Windows Server 2012
Configure ftp server is very simple task on previous windows version. However, In Windows Server 2012, there are some tricky problem when configuring ftp server. Here is to configure ftp server passive data port. you have to choose “Application Pools” … Continue reading
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