Linux

When configuring zookeeper replication the using the config file on three hosts tickTime=2000 dataDir=/var/zookeeper clientPort=2181 initLimit=5 syncLimit=2 server.1=192.168.1.12:2888:3888 server.2=192.168.1.13:2888:3888 server.3=192.168.1.14:2888:3888 and attempting to start the […]

[root@centos04 nginx-1.11.6]# ./configure –prefix=/opt/nginx checking for OS + Linux 3.10.0-229.el7.x86_64 x86_64 checking for C compiler … found + using GNU C compiler + gcc version: […]

Download PCRE source and perform configure and make install Install PCRE [root@centos04 pcre2-10.22]# ./configure –prefix=/opt/pcre checking for a BSD-compatible install… /usr/bin/install -c checking whether build […]

You can use the network manager text user interface # nmtui ┌─┤ NetworkManager TUI ├──┐ │ │ │ Please select an option │ │ │ […]

Your Centos 7 system will not come with ifconfig by default so you must use the “ip” command to list ip addresses # ip addr […]

In order to list all services on your system in Centos 7 you can use the following command systemctl -at service UNIT LOAD ACTIVE SUB […]

In order to upgrade your version of wordpress via linux command line perform the following steps. curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.pharmv wp-cli.phar wp-clichmod u+x wp-cli/root/wp-cli –allow-root core update –path=/path-to-wordpress-install […]

While installing the puppet rpm’s we ran into an error. Note, we downloaded some prerequisite rpm’s first then attempted to install them. [root@centos01 software]# ls […]

Changing the hostname in redhat and centos 7 has changed since versions 5 and 6. To do it now you will have to use the […]

This error message appears when PackageKit is malfunctioning. It continually shows up in your yum package manager output Not very nice. It also causes a […]