Linux Tips

The following error was thrown while i was enabling mysql binary logs 1 2 3 4   Jul 3 07:07:44 localhost mysqld: 2 ... s. Restart the mysql once changes are made in the configuration file. You wont see this error once server-id is set properly.

With default Nginx configuration, Nginx response contains the Nginx Version number in the Headers , In the “Server” Header. N ... feel free to drop us a note if you have any queries or feedbacks using our comment form below. Always happy to help you ????

Mysql is a popular open source relational database management system (RDBMS). It is widely used and powering many popular we ... ut statement.   mysql> Now we can run the mysql queries on mysql prompt. Please let us know incase you find any issue.

NRPE is a Open source Project from Nagios , which allows you to remotely execute Nagios plugins on other Linux/Unix machines. ... openfiles=os.popen(“cat /proc/sys/fs/file-nr | awk ‘{print $1}'”).readline().strip() openfiles=int(openfiles) if openfiles

CTOP provides a linux “top” alike interface for monitoring the Docker containers running on the machine. It provides concise ... feel free to drop us a note if you have any queries or feedbacks using our comment form below. Always happy to help you ????

How to install “readline” and “readline-devel” on Ubuntu ? The “Readline” library provides a set of functions for use by appl ... 2/2   Installed: readline–devel.x86_64 0:6.2–9.el7   Dependency Installed: ncurses–devel.x86_64 0:5.9–13.20130511.el7    

In linux you will need to install ‘Development Tools’ group if you want to  compile software and build new rpms. These tools ... xt git indent intltool libtool make patch patchutils rcs redhat–rpm–config rpm–build rpm–sign subversion swig systemtap  

Comparing CollectD,Telegraf and NetData In this article we will compare three popular metrics collector agents which are Netd ... : Graphite, Opentsdb and Prometheus Cons 1.Still in evolving phase, time-series backends support was added recently.  

Docker Compose is a tool for defining and running multi-container Docker applications. With “docker Compose”, you can use a s ... ory (default: the path of the compose file)   Please let me know if you have any questions. Always happy to help   

I was getting following error while trying to copy one file to another server using rsync 1 2 3 4 5 6 7   [root@te ... ======================================= Install 1 Package (+1 Dependent package)   After this rsync was working properly.

In this article we will explain how to install docker-machine on Centos/Linux machine docker-machine is a command-line tool u ... local machines. Whatever command you run with “docker” will be executed on the new VM you created and not on your machine.   

When i tried to launch a container, docker gave me this error 1 docker: Error response from daemon: failed to crea ... ker using 1 service  docker restart Now save iptables rules using command 1 iptables–save

Snmpwalk is a SNMP application that uses SNMP GETNEXT requests to query a network entity for a tree of information. It is a g ... _Community1   192.168.2.1 1.3.6.1.4.1.21067.2.1.2.4.2 In the above command “1.3.6.1.4.1.21067.2.1.2.4.2” is the OID.    

How to restrict ssh  access for a user  from ip ? sshd (OpenSSH Daemon) is the daemon program for ssh. With sshd server and s ... To allow a user from a particular subnet , use the following 1 AllowUsers [email protected].* Canning Recipes

I was trying to recover Mysql root password through mysql safe mode .  When i tried to update the Mysql “user” table with new ... t; Bye   Compared to MySQL 5.6, the changes are quite extensive in 5.7 . Please see the complete list of changes here  

How to fix the error “TCP: time wait bucket table overflow” ? I was getting the following error in the “/var/log/messages” on ... both “ipv4.tcp_tw_recycle” and “ipv4.tcp_tw_reuse”  set to 1 now. I never seen those errors after making the above changes.  

How to disable selinux on Centos machine without reboot/restart ? In this article we will explain how to disable selinux on C ... d     Then, save and exit the file. This way we ensure that “selinux” will be disabled even after the next server reboot.

How to skip one transaction in one channel of a Mysql multisource replication setup?  Recently Mysql announced a new feature ... ion by skipping the transactions in a particular channel Please let me know if you face any issue.  Always Happy to help ????

Most of the linux distros come with collectd without “write_graphite” enabled, which is used for sending time series data to ... ll   make && make install If there are no errors, you should be able to see Collectd installed under “/opt/collectd/”

On Linux machine while running “make” command, following error came and make command exited   1 2 3   ../lib ... kages such as supporting libraries. Most of these popular packages are available in yum repositories, making our life easy.