I am using CentOS Linux release 7.3.1611 which has gcc 4.8.5 20150623 installed. I am looking for a way to install a newer version of gcc, specially 8.1. I found the following site on how to install gcc v7 link 1 which describes how to install gcc v7 (using devtoolset-7-gcc*). I did follow the guidelines and …
Tag: centos7
Yum Repo Issues
My CentOS-Base.repo has the following mirrors: When I say yum install yum-utils, it fails with the error saying http://custom-url/centOS-updates/Packages/yum-utils-1.1.31-46.el7_5.noarch.rpm: [Errno 14] HTTP Error 500 – Internal Server Error Trying other mirror. Error downloading packages: yum-utils-1.1…
Centos 7 with PHP 7.2 Pthreads unable to load redis.so
I recently setup a new Centos 7 system with php 7.2 and Redis. This is working fine. This was my yum install of the php packages. yum install php72.x86_64 php72-php-cli.x86_64 php72-php-common.x86_64 php72-php-devel.x86_64 php72-php-fpm.x86_64 php72-php-gd.x86_64 php72-php-json.x86_64 php72-php-mbstring.x86_6…
Docker won’t bind to address; says it’s in use but it isn’t
I’m trying to bind two ports from a docker container to a currently unused IP address on one of the host machine’s interfaces. I’m attempting to start the container (which is based on the centos/systemd image) like this: and it fails with the message: Error starting userland proxy: listen tc…
How to run commands on CentOS reboot
I want to run the following commands one after the other upon reboot of the server after I do shutdown -r now but not sure how to do it: getenforce setenforce 0 systemctl start httpd.service I’m running CentOS 7.x Answer Technically you can crontab it and add the line and put the 3 commands in the myscr…
error JAVA_HOME is not defined correctly
When Ii run command mvn spring-boot:run, I got error: when I check above path java-1.8.0-openjdk-1.8.0.131-3.b12.el7_3.x86_64 is not exist. My java version is: I check JAVA_HOME in /etc/environment Is it because of different version in JAVA_HOME I got the error? I try to change the JAVA_HOME path to other ver…
How to uninstall RPM without dependencies error in cent os?
I installed the openssl rpm some long days ago. After that i am unable to uninstall the rpm so that i deleted the /usr/bin/openssl folder manually.Though I deleted it manually, when i grep using this command rpm -qa openssl i can find the rpm. But when i execute the openssl command in terminal it is showing b…
How to install konsole on Cent OS 7?
I have Cent OS 7. Since konsole tool is in kde package, I’ve installed it: But still konsole isn’t installed. So, how can I install it? Answer You can just install the konsole package. yum provides konsole Will return: konsole-4.10.5-4.el7.x86_64 : KDE Terminal emulator So you just have to install…
free -g with sed -n plus nth character
I am trying to create a script to display just one of the numbers from the free command. In my case, the number I want is on the 2nd line of the free -g output and at character slot 43. The original output of free -g is: So far I have gotten the 2nd line to display with: I need
Apache not seeing website – CentOS 7
I have setup a lot of Virtual Hosts in Ubuntu but today I needed to do this on a CentOS 7 server. I installed Apache and setup the VHost config but nothing appears when I view the site. I know that Apache is reading my Config files because if I add a fault in it and restart Apache, it complains