Environment NDK r23b with CMake. Configuration Adding fllowing codes to CMakeLists.txt. FAQ OpenMP not working for Android NDK Your NDK version is to old, please…
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Basic commands Showing current status Adding rules iptables -A chain_name -p protocol –dport port -j action Allow tcp connection with port 22 input: Disallow tcp…
Leave a CommentConnection may not safe When we connet to a new remote server host by SSH, we will get a message as bellow: The authenticity of…
Leave a CommentDescription Qualcomm device CPU uses the cpufreq framework to dynamically adjust the frequency, and the GPU uses the Linux devfreq framework to adjust. Devfreq has…
Leave a CommentDescription This error occurs when excute following codes: outputs: mysqldump: Error: ‘Access denied; you need (at least one of) the PROCESS privilege(s) for this operation’…
Leave a CommentMethod 1 Let server send heartbeat to client. sudo vi /etc/ssh/sshd_config, add following codes: ClientAliveInterval means how ofen server sending heartbeat to client.ClientAliveInterval means how…
Leave a CommentBetter understanding of knowledge Usually, we may learn a lot of knowledge from videos or articles that summarized by others. There are a lot of…
Leave a Comment//Vector add: vadd -> Vr[i]:=Va[i]+Vb[i], Vr, Va, Vb have equal lane sizes.int8x8_t vadd_s8(int8x8_t a, int8x8_t b); // VADD.I8 d0,d0,d0int16x4_t vadd_s16(int16x4_t a, int16x4_t b); // VADD.I16…
Leave a CommentInstalling Caddy2 Caddy2 installing tutorial. Installing PHP Installing MySQL Downloading WordPress and Extracting Configuring Configuring Caddy Configuring your Caddyfile which located at /etc/caddy/Caddyfile. Restarting Caddy.…
Leave a CommentDescription Background updates are not working as expected error occurs in wordpress’s site health checking. Analysis As shown above, some files are not writable by…
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