jq warning: macro 'AM_PROG_LIBTOOL' not found in library

IssueDownload the jq source and configure, run the commands blew.$ git clone https://github.com/sted...
Jun 23, 2020 Linux Comments 0

jq configure: error: You need bison version 3.0 or greater

IssueDownload the jq source and configure, run the commands blew.$ git clone https://github.com/sted...
Jun 21, 2020 Linux Comments 0

jq configure error autoreconf: failed to run aclocal: No such file or directory

IssueDownload the jq source and configure, run the commands blew.$ git clone https://github.com/sted...
Jun 19, 2020 Linux Comments 0

openvpn configure: error: route utility is required but missing

IssueIn Linux, download the openvpn source and configure, and run the commands blew.$ wget https://s...
Jun 17, 2020 Linux Comments 0

Check if string is empty or not in shell

Using bash scripts, sometimes we need to determine whether the string variable is empty. Here are tw...
Jun 15, 2020 Shell Comments 0

openvpn configure: error: openssl check failed

IssueWhen configure openvpn with the command below../configure --prefix=/opt/openvpn-2.4.9But the fo...
Jun 13, 2020 Linux Comments 0

Start error: nginx: [emerg] https protocol requires SSL support

IssueIn the nginx.conf file, if we use the following directive. Add the ssl configuration, for examp...
Jun 11, 2020 Nginx Comments 0

Nginx configure error: the HTTP rewrite module requires the PCRE library

IssueWhen configure nginx 1.19.0, run the commands../configure --prefix=/opt/nginx-1.19.0But the fol...
Jun 09, 2020 Nginx Comments 0

Clear the content of a file from shell command

In Linux/Unix, there are several ways to clear the contents of the file with the shell command.> fil...
Jun 07, 2020 Linux Comments 0

Detect the execution is from CLI mode in PHP

In PHP, there are two ways to determine if the current invocation is from CLI.With php_sapi_name met...
Jun 05, 2020 PHP Comments 0