centos Archives - The Shell GuruThe Shell Guru

Table is marked as crashed and last (automatic?) repair failed – MySQL / MariaDB / Percona

October 21, 2019
General Linux
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Today we'll look into repairing a crashed Wordpress database table. The error message could appear in one of many ways, some of them below: [crayon-5de965ea83620164838526/] A quick look at the…

Create new database in MongoDB

August 27, 2019
CentOS
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Today we'll look at how to create a new database in MongoDB. Connect to mongod via the following line, replace your credentials [crayon-5de965ea849ad502253809/] If you're successfully authenticated then you'll see…

SSH connection takes too long to respond/connect

August 23, 2019
CentOS
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Has an SSH connection taken too long to return the password prompt? There are two possible fixes to it. There are two possible ways to fix this, First, disable Reverse…

Requires: libpcre.so / CentOS 7

August 2, 2019
CentOS
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Ran into this rather peculiar error recently while installing Varnish Cache on CentOS 7. [crayon-5de965ea854ce303652859/] The fix turned out to be simple, CentOS 6 was set in the varnish repo…

530 Login incorrect – ProFTPD

August 1, 2019
General Linux
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We updated an old server recently and the ProFTP server started throwing this error "530 Login incorrect" and wouldn't let us in. We looked at the usual culprits, reset passwords,…

Mount an NTFS drive on CentOS 7

July 26, 2019
CentOS
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This tutorial will cover how to mount an NTFS drive on CentOS 7. We'll use the open-source version of the NTFS for Linux driver by Tuxera, NTFS-3G. The Prerequisites To…

Install and Configure ZFS – CentOS 7.6

July 25, 2019
CentOS
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We'll look at installing and configuring ZFS on CentOS 7.6 today. Why ZFS? [crayon-5de965ea869e3449209681/] Installation Start off by installing the repo rpm for ZFS, we'll be installing with the kABI-tracking…

Install GUI with VNC – CentOS 7.4, 7.5, 7.6, 7.7

January 23, 2019
CentOS
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Running a headless (terminal only) server is great and all but sometimes a GUI helps. We'll be installing GNOME 3.28 on CentOS 7.4. This comes really handy when you want to…

Logging RSYNC output to file

November 9, 2018
General Linux
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Logging RSYNC output to file can be cumbersome but useful at times. Cumbersome because if you're transferring a large number of files then the log file becomes intelligible but useful in…

Mount ZFS Pools on Boot

September 21, 2017
CentOS
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We recently ran into a snag with a new ZFS installation, the darn thing wouldn't mount the pools we created on boot. The solution turned out to be pretty straight forward, Issue the following at shell and reboot to test: