This article introduces commonly used online network debugging tools, including IP address query, ping, route tracing, speed test. Check IP https://whatismyipaddress.com/ This tool show the…
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Method 1 Add the user to the root group. Method 2 Edit passwd file. Set user’s UID & GID to 0. Following is the content…
Leave a CommentThis article introduces linux group management related commands, including adding groups, deleting groups, modifying groups, setting group administrators, viewing groups to which users belong, etc.…
Leave a CommentConfigure systemd services The Linux system uses systemd as the startup server management mechanism. First, copy the executable file to the /usr/local/bin directory, and copy…
Leave a CommentStart the service for saving crash coredump Configuration By default, the crash dump of non-deb package programs is not saved. Modify the following configuration file…
Leave a CommentEnvironment python3.5+tensorflow-gpu1.5 + cuda9.0 + cudnn9.0 installation steps Disable open source nouveau driver Add the following two lines at the end. Then execute the following…
Leave a CommentWhen buying a new VPS or server , We would like to kown the benchmark of the machine. We should test the network speed of…
1 CommentGetting crash log We can get crash log for logcat service. Then, we got following outputs. The output messages contain pointer counter where crash, with…
Leave a CommentCurrent memory Using adb command to detect current memory usage. Peak memory Using following script to detect memory many times, and to count the peak…
Leave a CommentDumping wordpress database Using following codes to dump your wordpress database and replacing bold words according to your environment. You can find wordpress.sql in current…
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