Tag: RedHat

Ugly fonts in Mozilla Firefox and Thunderbird under Linux (skia and cairo)

Recently, after updating to Mozilla Firefox to version 52 or later (55.0.2, in my case), and Mozilla Thunderbird to version 52 or later (52.3.0, in my case), I found that fonts were rendering horribly under Linux. It looked essentially like there was no anti-aliasing or hinting at all. Come to find out, this was due …

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RHEL/CentOS Kickstart partition scheme with disk by-path IDs and automation via PXE

So, for several weeks now, I’ve been struggling with disk naming and UDEV as they relate to RHEL or CentOS Kickstart automation via PXE. Basically, what used to be a relatively straight-forward process of setting up partitions based on disk name (e.g. /dev/sda for the primary disk, /dev/sdb for the secondary disk, and so on) …

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Linux – RHEL 6 / CentOS 6 two NICs in the same subnet, but secondary doesn’t ping

Recently I ran into a problem with RHEL 6 (and any derivatives, like CentOS 6 or Scientific Linux 6) where having two NICs (network interfaces) in the same subnet resulted in strange behaviour. In RHEL ≤5 (or CentOS ≤5), one could have two interfaces with IPs in the same subnet and there weren’t any problems …

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