daily_admin_issues
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daily_admin_issues [2013/08/07 19:09] k2patel [SE Linux] |
daily_admin_issues [2021/09/21 16:13] (current) k2patel [Force chronyc time sync] |
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| * [[ sar reporting ]] | * [[ sar reporting ]] | ||
| * [[ Kernel Tuning ]] | * [[ Kernel Tuning ]] | ||
| + | * [[ inotify monitor ]] | ||
| + | * [[ Security ]] | ||
| + | |||
| + | ==== Centos 6 to 7 Upgrade ==== | ||
| + | |||
| + | I've followed [[https://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool]] without issue.\\ | ||
| + | But after reboot i've started seeing following error "libpcre.so.0" not found. | ||
| + | |||
| + | After looking further it appeared to the issue with "grep" package. | ||
| + | After Successful reboot simply downgrade the grep package and error will disappear. | ||
| + | |||
| + | Also it is good idea to place selinux in permissive mode before you start upgrade. | ||
| + | |||
| ==== Drupal Throw watchdog error ==== | ==== Drupal Throw watchdog error ==== | ||
| Line 20: | Line 33: | ||
| ) | ) | ||
| </code> | </code> | ||
| - | |||
| ==== Locale Issue on Linux ==== | ==== Locale Issue on Linux ==== | ||
| Line 83: | Line 95: | ||
| === Reset context on Specific Folder === | === Reset context on Specific Folder === | ||
| <code bash> | <code bash> | ||
| - | restorecon -Rv -n /var/www/html | + | restorecon -Rv /var/www/html |
| </code> | </code> | ||
| Line 155: | Line 167: | ||
| That should do it | That should do it | ||
| + | ==== Download java using wget ==== | ||
| + | <code bash> | ||
| + | wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u51-b16/jdk-8u51-linux-i586.rpm | ||
| + | </code> | ||
| + | ==== Force chronyc/chronyd/chrony time sync ==== | ||
| + | <code bash> | ||
| + | chronyc -a 'burst 4/4' | ||
| + | chronyc -a makestep | ||
| + | </code> | ||
| + | |||
| + | ==== Multiple BAR 13: no space for [io size 0x1000] ==== | ||
| + | |||
| + | :!: Multiple BAR 13: no space for [io size 0x1000] messages seen on RHEL guest on VMWare ESX vCenter 6.0 host at boot. | ||
| + | |||
| + | best bet is to contact vmware, but temporary fix should be as follow | ||
| + | <code bash> | ||
| + | try booting with pci=nocrs kernel command line option. | ||
| + | This parameter is used to discard ACPI resource information for various devices. | ||
| + | </code> | ||
daily_admin_issues.1375902562.txt.gz ยท Last modified: 2020/08/10 02:29 (external edit)
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