CentOS VM Client Can’t Boot Up
Issue VirtualBox client CentOS can't boot up with error message: [FAILED] Failed to start Virtual Machine and Container Registration Service. [FAILED] Failed to start Login Service. Solution Disable SELINUX config…
OpenSUSE Boot Up Issue
Issue: OpenSUSE suddenly could not boot to GUI mode, but being kicked out to recovery mode with the CLI mode with the warning of something like no space to write…
Ugly Font Appearance in Linux
Issue: Suddenly found that the Serif fonts appeared in Linux is uglier than those appeared on Mac OS X. Solution: Configure Desktop by enabling Use sub-pixel rendering, and choose Slight…
Laser Printer for Linux
Issue: Installed Linux driver for Brother DCP-L2540DW printer driver, then found out that printing for one page or double-sided page is fine, but it always shows error "ERROR NAME; memoryfull"…
CentOS Not Bootable after Install Kernel-devel rpm
Issue: OS unbootable and show the following message: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Solution: At waiting to boot loader click any key…
OpenSuse Chinese Input Issue with SCIM
Issue: Using SCIM happily to input Chinese characters with my previous Linux distribution - Ubuntu, but using SCIM in my current OpenSuse is painful as the screen refeashing always crawls…
Bootable USB with UNetbootin
Issue: Worked with UNetbootin to make bootable USB to install new OS or rescue OS several times happily, but didn't work anymore for OpenSuse. UNetbootin silently could not successfully Extracting…
unable to set superblock flags
Issue: System hang, then reboot but unable to boot up! system suggested "e2fsck". after fixing/ cleaning some files, "unable to set superblock flags" on /user/local Solution: execute: e2fsck -b 32768…
yum quited unexpectedly
Issue: Run: Yum install postgreSQL for SQL-Ledger, but appear: unable to find pid then the shell running yum as root quited unexpectedly Solution: Run: rpm --rebuilddb; yum clean all Tricks:…
Using Scanner
Issue: install application for scanning images in Linux Solution: install sane-backends, xsane, Tricks: also install xsane-gimp if having xsane as a plugin of gimp (instead of ln -s /usr/bin/xsane ~/.gimp*/plug-ins…