Checkmk installs the new file, and logs a notification of this action to the user.Ĭheckmk has updated a file’s permissions because different permissions are set in the new version. The user has already deleted a file, but in the new Checkmk this file contains changes from the previous version. Because the version in the new Checkmk has no changes from the last version of the file, Checkmk allows the file to be absent. The user has deleted a file which is normally present. No action.Īnother file is obsolete in the new Checkmk, and the user has neither deleted nor changed the existing version. The new version has obsoleted a file (also applies to a link or a directory). The new version includes a file, an identical copy of which the user has already installed. The new version includes a new configuration file which has just now been installed. Both versions of the file can be merged into one without conflict.Ī file has been changed in the new version, and at the same time the user has already made identical changes to the file. Since you have not made a change to the file, Checkmk simply installs the new default version of the file.Ī file has been changed with the new version, and at the same time the user has made other changes to the file. The following situations are possible – files are referred to here, but this also applies analogously to links and directories:Ī file has been changed with the new version. The update procedure will always output a line of explanation when it makes a change to a file automatically. Files that have already been changed during the update however remain changed! A new update attempt can be started at any time. The next part is used to update the system if you log in via console. If you are using a Graphical Desktop, Xterm will launch and execute the update command when you log in. Quit the shell with Ctrl+D in order to proceed with the update.Ībort the update. The first part Xterm - Wikipedia -e sudo apt update 2>/dev/null is used to manage the Graphical login. You will find yourself in a directory containing the relevant file, and there can get a picture of the situation. Before R2019a: On the Home tab, click Add-Ons > Check for Updates > Products. If you are uncertain, you can open a shell with s. If there is an update available, click Install Update. Install the new default file version: your changes in the old file will be lost. Any customizations that may be required must be performed manually. With this you can fall back to the old version of your file, and go without Checkmk’s update for this file. Apart from this the file remains as customized by the user. The successfully inserted changes are retained. Here you can decide whether to accept the data ‘as is’. Once the editor has been closed Checkmk will reattempt the merge. Now edit the file in order to bypass possible conflicts. Resolve the conflict manually in an editor.īy selecting t, your original file – without the already successfully-merged changes – will be opened in an editor. This third option in effect ‘closes the triangle’ by showing the changes which Checkmk intends making to the file. This is similar to the above, but based on the preceding default version shows which changes you have made to the file. This shows the differences between the new default version and your version of the file in the form of a ‘unified diff’ ( diff -u). This method is also vastly independent of any other environmental factors like PATH, DE, WM, UI, etc, which makes it very utilitarian.In the situation shown above, you now have the following options: It is advisable not to upgrade certain kernel packages until after about a week after release due to possible bugs. This method provides high flexibility and complete control over your machine and what packages you want to upgrade. Thus we saw how we can very easily check for updates at login on Debian/Ubuntu. Works on all Debian/Ubuntu based distros.Can specify different settings for different users as necessary.You can also selectively upgrade packages (like you may want to exclude some kernel upgrades).You can always expand it’s functionality by editing the script.The advantages of using this method over others are as follow : If we are using a GUI, only the first part of the command is executed whereas if CLI is used, it fails and then the control moves over to the second command, which is compatible with our CLI. These two methods are joined by a ‘||’ which enables us to deal with errors in case of a change in UI. Get:8 bionic-backports/universe i386 DEP-11 Metadata ĥ36 packages can be upgraded. Get:7 bionic-updates/multiverse i386 DEP-11 Metadata Get:6 bionic-updates/universe i386 DEP-11 Metadata Get:4 bionic-updates/main i386 DEP-11 Metadata
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