摘要：Firstly, compile something with cygwin is to compile something for cygwin1.dll, compile something with mingw is compile something for windows. Here li 阅读全文

摘要：from here. php basics in PHP, variables are defined as $_alphanum variables should always prefixed a $ variables defined/assigned outside of a functio 阅读全文

摘要：To use composer, first system must satisfy php environment: To install composer, try either: enable packagist repo globally: [its speed seems not fast 阅读全文

摘要：SNMP is a protocol that enables server remote-info-exchange. Which according to wikipedia: it [collecting and organizing information about managed dev 阅读全文

摘要：First we need to determine the version of ghc to be installed. Newest version not always good. Since we are going to install ghc-mod as final destinat 阅读全文

摘要：most common cases: Very important knowledge: -sS: default if using root/admin with nmap (Syn scan) -sT: default if using normal user with nmap (TCP co 阅读全文

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：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：The following is concluded from here. Consider we have 2 interfaces: eth0 & eth1 bond the two interface: in ifcfg-eth0/ifcfg-eth1: remove IP/MASK/GW/U 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：This file includes 4 data-structures.. Insteresting because they are written in 1994.. to make it easier using the structures.. LIST: the common usage 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：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：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