摘要：before talking about Makefiles, compilers are important pre-knowledge. first compile a executable ELF file, by: if we are going to compile one/several 阅读全文

摘要：Maven, is actually a java project manager.. Installing maven in windows need to set system environment vars like JAVA_HOME and PATH.. And it is rather 阅读全文

摘要：Find the authoritative server of a domain, by: find actual IP of a sub-domain, by: What is authoritative server of dns? [Quote]An authoritative name s 阅读全文

摘要：if using dpdk, then OvS' datapath folder is ignored. Only OvS' userspace code are in use. According to manpages of ovs-vsctl/ovs-dpctl, it says that t 阅读全文

摘要：In short, we have some sort of algorithms to gen pair of private and public keys. The public key is stored in a certificate and the private key is usu 阅读全文

摘要：First, ensure that the computer/sbc has WI-FI parts. install wpa_supplicant, edit /etc/wpa_supplicant/wpa_supplicant.conf, with ssid & psk. Then run w 阅读全文

摘要：Previously in windows, I uses ramdisk, to accelerate chrome browsing. However, in linux, this is made possible by tmpfs/ramfs already by default. Also 阅读全文

摘要：To make samba shard folder permission clear, there are 3 kind of permission need to be paid attention: 1. permission written in /etc/samba/smb.conf of 阅读全文

摘要：when ping, specifying the length of the packet by: Actually default is -l 32, so if we omit the last option, the sent packets are the same. This packe 阅读全文

摘要：before anything.. sizeof is an operand! sizeof is an operand! sizeof is an operand! 重要なことは三回にしませんね！ int *ptr; sizeof *ptr; = sizeof (int); the followi 阅读全文

摘要：Install docker from official site, in windows. or install docker from repo as official site told, in linux.. after installation, we run by: (windows s 阅读全文

摘要：Sometimes running program in Unix will fail without any debugging info or warnings because of the laziness of programmer.. So if need to find the righ 阅读全文

摘要：The most seen assertion are during runtime, but this one is at compile time, to give the error more quickly.. I do not quite understand why need this 阅读全文

摘要：get the grpc source file.. compile the helloworld example.. is easy.. the most important is to write the server/client side .go files and one message/ 阅读全文

摘要：4 points to create a user to uploade to ftproot.. this user must be an administrator, and be able to login into the Server as the user with privilidge 阅读全文

摘要：Actually I do not have experiences in programming with open sources/third party libs.. in linux.. I think this took me almost 3 days to figure out how 阅读全文

摘要：gcc -I -L -l -D -g -O -o -Wall about the -0 option.. ref to the following table.. Set the compiler's optimization level. +increase ++increase more +++ 阅读全文

摘要：CURL usage.. -v, -m, -H, -I, -s, --connect-timeout, -x, -X GET|POST, -d, -T, -o. --retry, -u curl [options] [uri] 阅读全文

摘要：found this page.. already done by precedents.. installation: searching.. update db & upgrade.. install dependencies.. getting source code: remove sing 阅读全文

摘要：first get keepalived source from git: git clone https://github.com/acassen/keepalived then unzip and compile: ./configure make && make install install 阅读全文