How to clear the yum cache: When a package is downloaded, installed and is removed there is a chance that the package may still be saved/stored in the yum’s cache. So to clean all the cached packages from the enabled repository cache directory, login as root and execute the following: yum clean packages

Aug 09, 2017 · $ sudo paccache -r [sudo] password for sk: ==> finished: 854 packages removed (disk space saved: 4.37 GiB) See? Paccache removed 854 old and/or uninstalled packages from the cache and saved 4.37 GB disk space. I'm noticing that sudo caches the password until I issue sudo -k to clear it. This is unexpected behavior in my mind. I've run xfce4 before and don't recall credential caching being on, nor have I experienced it in the many previous ubuntu installs I've had over the years. Jun 04, 2020 · This wikiHow teaches you how to clear the cache of temporary system files that your Mac stores as you use it, as well as how to clear the Safari browser's cache of temporary Internet files. Keep in mind that clearing the system cache can cause your Mac to freeze or crash unexpectedly; this is a normal response to clearing the cache. Jun 29, 2020 · Clear DNS Cache in Older macOS versions. If you are using an older version of macOS, then here are the commands for those. To clear DNS cache on macOS Yosemite, enter the following syntax: sudo discoveryutil udnsflushcaches. To clear DNS cache on macOS Lion, Mountain Lion, and Mavericks, enter the following syntax: sudo killall -HUP mDNSResponder

By default, every Linux OS has an efficient memory management system used to clear the buffer cache periodically. You can manually free up the memory cache with the following simple command:

To delete OCSP and/or CRL cache from your Windows system: Go to Start Menu > Run Type cmd and press Enter Enter the following command and press Enter to execute: certutil -urlcache * delete Mac OS X Note: After clearing the cache, you need to restart your computer for the changes to take effect. OS X (through 10.11) Jan 16, 2009 · To clear the cache from the command line, type the following: $ sudo apt-get clean OR # apt-get clean. There is also autoclean option. Like clean, autoclean clears out the local repository of retrieved package files. The difference is that it only removes package files that can no longer be downloaded, and are largely useless. This is because sudo has the ability to cache credentials for a period of time. Sudo creates (or touches) a file at /var/db/sudo with a timestamp of when sudo was last run to determine this timeout. Additionally, there is a tty_tickets variable that treats each new tty (terminal session) in isolation. Dec 22, 2019 · Step 3. Re-run the cache statistics command. sudo systemd-resolve --statistics. Cache Statistics After Flush. As you can see from the above screenshot, the current cache size parameter is Zero, and that is what we need. Second Method: Flush Cache using the dns-clean command. Another method to clear our DNS cache is using the next command: sudo

Restarting systemd-resolved service to clear all DNS Cache Statistics. The DNS flush command doesn’t clear the cache hits and misses statistics. If you want to clear all the Cache stats, then you have to restart the systemd-resolved service. # sudo systemctl restart systemd-resolved

Sep 12, 2018 · Hello All, I created some simple tools for restarting openhab and clearing the cache. There is: ohstop --> stops openhab ohstart --> restarts / starts openhab ohtail --> restarts openhab and tails openhab.log ohtailcc --> restarts openhab, clears cache, and tails openhab.log ohrebootcc --> stops openhab, clears cache, and reboots system. These have only been tested on openhabian, but should For some operations (for example, a yum install operation), Yum downloads the packages to install into the Yum cache. The cached packages are located in a subdirectory structure from /var/cache/yum that reflects the architecture, the distribution release, and the repository from where the packages were downloaded. There are three main ways to clear cache in a Windows 10 computer: temporary files cache, File Explorer history, and browser cache. Often when one encounters a problem with OH, particularly after an update, OH will refuse to run or certain parts of OH stop working. Some reported errors include: 500 or 404 errors when accessing the UIs lots of exceptions from Jetty or other core components in openhab.log OH refuses to start at all The first step in debugging the problem is to clear the tmp and cache. Installed OH If you are Jun 23, 2020 · Clear cache files and folders. Clearing your cache folder can be done directly in the Disk Usage Analyzer. To clear out your cache, follow the step-by-step instructions below. Step 1: Click on “Home” in Disk Usage Analyzer, then click on.cache, after the Disk Usage Analyzer app finishes scanning. Old versions of some components (.js files) were still picked up and the cache file was recreated each time I ran Visual Studio so it was never going to clear what version of what was being tested. In the end I adopted the tedious approach of renaming and version numbering all the components that had been changed and everything worked perfectly.