Technical articles and infrastructure guidance tagged centos6.
Technical articles and infrastructure guidance tagged centos6.
Mdadm is the modern tool most Linux distributions use these days to manage software RAID arrays; in the past raidtools was the tool we have used for this. This cheat sheet will show the most common usages of mdadm to…
Read ArticleOne of our client was facing issue with OVH kernel. After rebooting the server it's not coming up with normal kernel. I have checked the server using IPMI console and found below error message. A start job is running…
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As a System Administrator, server uptime has much importance. The servers must be running as long as possible. While keeping this server uptime consistent, a System Administrator should also have to apply the patches…
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Webmin is a web-based graphical tool for unix . It is used to manage services like User management, Disk managemet, Network, Iptables ( Firewall ), Cron, Apache, DNS, File sharing and much more . In this article, we can…
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SVN – Apache subversion SVN – Subversion is a versioning and revision control system used by developers to track and keep up earlier versions of their source codes. Update yum repositories and packages by typing the…
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When you create a volume group, by default, it is activated. Sometimes you may need to activate it manually to make the kernel aware of volume groups. To activate, # vgchange -ay my_vg_name To De-activate, # vgchnage…
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yum (RHEL/CentOs/SL/etc) has an option which allows you to limit the download rate/amount of bandwidth used to download packages. Here’s how you do it: Edit the /etc/yum.conf file and add the following line…
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When you see the following prompt with a blinking cursor instead of your RHEL 5 (Or CentOS/Scientific Linux v5 obviously) server booting, you will have in all likelihood have to re-install GRUB. GRUB _ Step 1: Insert a…
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How to execute command via SSH on remote machine and get output on local machine console. ## SYNTAX ssh [ user ] @ [ remote host ] [ command ] ## EXAMPLE ssh test @ 10.10.101.1 df -h test @ 10.10.101.1 's password…
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To install VMWare tools using YUM on CentOS/RHEL 6.5, do the following. Note, I’m logged in as the ‘root’ user, but you could execute these commands using ‘sudo’ as well. Step 1: Download and import GPG keys [ root @…
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